KR20060008100A - System for searching and inquiring geographic information based on mobile - Google Patents

Abstract

The present invention relates to a geographic information search and retrieval system, and more particularly, to a mobile based geographic information retrieval and retrieval system that can search and retrieve geographic information of a region where a terminal is located by using a wireless communication technology of a mobile terminal. will be.

The mobile-based geographic information retrieval system according to the present invention extracts a representative name of a corresponding region through location information of a user terminal, and includes related name information related to the representative name and related area information highly related to the representative name. The present invention provides a mobile-based geographic information search and retrieval system that extracts geographic information, outputs it as a list, and displays geographic locations of representative names and geographic locations of related names on a map. In addition, the present invention provides a mobile-based geographic information retrieval and retrieval system that provides geographic information in the progress direction by predicting the URL information and traffic information of the web page highly related to the extracted representative name, and the moving direction of the user terminal.

Therefore, the geographic information search and inquiry system according to the present invention extracts the representative names of the region through the location information of the user terminal and extracts a list of related names associated with the representative names, so that the user does not need input for searching. It provides a variety of local information related to the current location of the.

Geographic Information System, GIS, GPS, Mobile Phone, PDA, HPC (Hand PC), Web Page

Description

System for searching and inquiring geographic information based on mobile}

1 is a schematic diagram schematically showing a mobile-based geographic information search and inquiry system according to an embodiment of the present invention.

2 is a block diagram schematically illustrating a search server of a mobile-based geographical information search and inquiry system according to an exemplary embodiment of the present invention.

3A is an exemplary view showing an example of an operation of extracting a representative name according to an embodiment of the present invention.

3B is an exemplary diagram illustrating a query of an R-Tree index structure in a location-based query according to an embodiment of the present invention.

4 is a block diagram schematically illustrating a user terminal of a mobile based geographic information search and inquiry system according to an exemplary embodiment of the present invention.

5 is a block diagram schematically illustrating a search server of a mobile based geographic information search and inquiry system according to another embodiment of the present invention.

6 is a block diagram schematically illustrating a user terminal of a mobile-based geographic information retrieval and inquiry system according to another embodiment of the present invention.

FIG. 7 is a schematic diagram schematically illustrating a structure of a graphical user interface (GUI) of a user terminal of a mobile based geographic information search and inquiry system according to an exemplary embodiment of the present invention.

8A is an exemplary diagram illustrating a GUI of a user terminal divided into two parts, a general map and a detailed map, according to an embodiment of the present invention.

8B is an exemplary diagram illustrating a GUI of a user terminal divided into two URL lists and keyword lists according to an exemplary embodiment of the present invention.

8C is an exemplary diagram illustrating another embodiment of a GUI supported by a user terminal of a mobile-based geographic information search and inquiry system according to an embodiment of the present invention.

The present invention relates to a geographic information search and retrieval system, and more particularly, to a mobile based geographic information retrieval and retrieval system that can search and retrieve geographic information of a region where a terminal is located by using a wireless communication technology of a mobile terminal. will be.

Geographic Information System (GIS) is an information system for efficiently utilizing geographic information necessary for human life. Geographic Information System (GIS) is an information system that integrates and processes attribute data related to geographic data, and collects, stores, updates, processes, analyzes, and outputs various types of geographic information efficiently. A system that collectively includes the hardware, software, geographic information, and personnel resources used for the purpose.

Meanwhile, with the development of wireless communication technology and wireless network technology and mobile terminals such as PDAs and mobile phones, users can easily obtain desired information without restriction of time and place. In addition, the development of communication technology and the development of memory technology are accelerating the multimediaization of personal portable terminals, and have become an opportunity to develop various applications simultaneously. Geographic information system has introduced mobile GIS field by incorporating such mobile related technology, and various methods of mobile GIS are developed and serviced.

Mobile GIS currently being serviced is similar to general web-based GIS. When a user enters a place name keyword for geographic information retrieval, the mobile terminal establishes a connection to a web server using, for example, wireless network communication of a mobile phone. And sends the input name keyword to the server. The web server displays the name on a map and outputs it through the display means of the terminal, or provides a web page related to the name registered in the geographic information system.

However, such a mobile GIS service has a disadvantage in that it cannot be provided with a variety of information because it provides only a map or web page of a pre-registered input name. For example, when a user searches for geographic information related to "airline" by using a mobile GIS service, the conventional mobile GIS displays the location of "airline" on a map or the homepage of "airline" registered in advance. To provide. Therefore, it is impossible to search detailed geographic information that is not registered.

In addition, since the conventional geographic information system searches for and provides information based on string matching, it is possible to know exactly or similarly the place names to be searched by the user. Therefore, when searching for another place name near the searched place name, it is inconvenient to find it through a separate search on the map on which the search place name is displayed.

The present invention has been made to solve this problem, the purpose of which is to extract the geographical name of the relevant region through the location information of the user terminal, and to provide a mobile-based geographic information to extract a list of relevant names associated with the representative name To provide a search and inquiry system.

Furthermore, the present invention provides a mobile-based geographic information search and retrieval system that displays a geographical location of a representative place of a region where a user terminal is located and a geographical location of a related place on a map.

Furthermore, the present invention provides a mobile-based geographic information search and retrieval system capable of extracting and providing a list of relevant area information that is highly related to the representative name of the area where the user terminal is located.

Furthermore, the present invention provides a mobile-based geographic information search and retrieval system that provides URL information of web pages highly related to representative names.

Furthermore, the present invention provides a mobile-based geographic information retrieval and retrieval system that predicts the direction of the user terminal to extract the representative names in the direction and provide the extracted geographical names.                         

Furthermore, the present invention provides a mobile-based geographic information search and retrieval system that provides traffic information of extracted representative names.

In order to achieve the above object, a mobile-based geographic information search and retrieval system according to an aspect of the present invention provides a geographic information search and retrieval to a search server through a user terminal such as, for example, a PDA or a mobile phone that a user carries. When accessing the inquiry service, the user terminal searches for the GPS signal received from the GPS satellite or the location information received from the base station of the mobile communication network and the terminal information including the terminal identification information, the user information, and the wireless network address. Send to server.

The search server extracts location information from the terminal information and extracts the representative place name of the region where the terminal is located. The search server collects web pages that are highly related to the representative names by using the extracted representative names, and extracts a plurality of related names that are highly related to the representative names from the collected web pages. The search server transmits the list of related names extracted from the web page to the user terminal through the wireless communication network, and the user terminal receives the information and outputs it to the display unit provided in the terminal.

According to a further aspect of the present invention, a search server of a mobile-based geographic information search and inquiry system according to the present invention is received from a user terminal or according to history information in which location information of a user terminal detected by a search server is stored. Predict the direction of the terminal. The search server extracts the representative names located in the predicted direction, collects web pages through the extracted representative names, and provides geographic information according to the representative names through the collected web pages.

According to a further aspect of the present invention, a mobile-based geographic information retrieval and inquiry system according to the present invention extracts a representative place name and a related place name of a location where a user terminal is located, and transmits geographic location information on the map to the user terminal. The user terminal outputs a map of the corresponding area including the representative name received from the search server, and displays the geographical location of the representative name and its associated name on the output area map and outputs it to the display unit.

According to an additional aspect of the present invention, the mobile-based geographic information search and retrieval system according to the present invention extracts the relevant region information highly related to the representative name from the web page collected through the representative name of the region where the user terminal is located; The relevant area information list is transmitted to the user terminal, and the user terminal receives it and outputs it to the display unit provided in the terminal. The above-mentioned related area information does not have a geographical meaning, for example, an event, a person, or an article, but is information related to the representative place name.

According to a further aspect of the present invention, the mobile-based geographic information retrieval and retrieval system according to the present invention collects URL information of a web page highly related to a representative name extracted by a search server and sends the corresponding URL list to a user terminal. The user terminal receives the information and outputs it to the display unit provided in the terminal. In addition, when the user selects a predetermined URL by using an input means such as a keypad provided in the terminal or an output means such as an image and a user's input at the same time, the user establishes a connection to the corresponding web page. .

According to a further aspect of the present invention, the mobile-based geographic information retrieval system according to the present invention provides traffic information such as bus lines, subway lines, road information, for example, extracted representative names. In addition, when the user selects a place name in the area map displaying the geographical name of the representative place name and the associated place name, traffic information of the place name is provided.

According to an additional aspect of the present invention, the mobile-based geographic information search and inquiry system according to the present invention extracts and extracts the representative place name of the selected area when an arbitrary area of the area map output to the display unit of the user terminal is selected. For example, a list of related names that are highly related to the representative name, a geographic map showing the geographic location of the representative name and the related name, a list of related area information, a list of URLs, and traffic information Search and provide it to the user terminal.

According to a further aspect of the present invention, when a mobile-based geographical information search and inquiry system according to the present invention inputs a name to search through an input means of a user terminal, the terminal transmits the input name to the search server, the search server Search for geographic information including, for example, a list of related names according to the input name, an area map showing the input name and the geographical location of the related name, a list of related information, a URL list, and traffic information. To the user terminal.

According to a further aspect of the present invention, the GUI (Graphic User Interface) of the user terminal of the mobile-based geographic information retrieval and inquiry system according to the present invention is a map of the entire area that can be searched to provide a user's convenience, and the searched corresponding area. Two detailed maps displaying local maps and traffic information, a list of keywords outputting a list of related locations and related locations, and a list of URLs displaying a list of URLs according to representative names. One map or list can be displayed in expanded form.

Hereinafter, the present invention will be described in detail with reference to the accompanying drawings so that those skilled in the art can easily understand and reproduce the present invention.

1 is a schematic diagram schematically showing a mobile-based geographic information search and inquiry system according to an embodiment of the present invention. As shown, the mobile-based geographic information search and inquiry system according to the present invention transmits and receives wireless data with a plurality of user terminals 10 capable of wireless communication, the user terminal 10, and from the user terminal 10 And a search server 20 which receives the received or detected terminal information, extracts geographic information including the representative place name of the region where the corresponding terminal is located, the related place name, and the related area information to the terminal.

Geographic information does not have geographic meanings such as the name of the area where the terminal is located, the name of the administration, the name of the cultural property, etc., and the name and geographical meaning of, for example, events, people, goods, etc. It does, however, include relevant regional information related to the name of the representative.

If the user terminal 10 is, for example, a GPS signal received from a GPS satellite or a mobile terminal including a mobile phone, PDA, HPC (Hand PC) capable of tracking the current terminal location from a base station of a mobile communication network such as CDMA, GSM It is enough. The user terminal 10 receives a GPS signal or a location tracking signal of a mobile communication network, extracts location information of the current terminal, and extracts terminal information including terminal identification information, user information, and a wireless network address. For example, the transmission to the search server 20 using a wireless communication method such as WAP.

The search server 20 extracts the location information of the terminal from the terminal information received from the user terminal 10 to extract the representative place name of the region where the terminal is located. The representative name extraction method may be extracted through various methods such as, for example, a place name of the shortest distance from where the terminal is located. A representative name extraction method of the search server 20 will be described in more detail below.

The search server 20 collects web pages existing on the web through a search engine using the extracted representative names as keywords, and extracts related names in the same region as the representative names, for example. The list is transmitted to the user terminal 10. The user terminal 10 outputs the list of related names received from the search server 20 through a display device such as a liquid crystal display, and provides the list of related names.

Search server 20 is equipped with a geographic information search program for providing geographic information in response to the connection of a plurality of user terminals 10, one of the wireless Internet communication technology of the user terminal 10 and the mobile phone, for example Is connected via the same method as WAP. The search server 20 receives or detects terminal information including location information from the user terminal 10 to extract the representative name of the region where the corresponding terminal is located, and searches for collecting web pages highly related to the representative name. Use the engine.

The search engine used in the search server 20 may be equipped with an engine built on its own, and is generally used on the web to prevent overload of the search server 20, for example, such as Naver, Yahoo, and Google. Can be used in conjunction with a conventional search engine. The search server 20 extracts a related place name highly related to the representative place name from the web pages collected by the search engine, and transmits the list to the user terminal 10.

The user terminal 10 receives a list of the related place names output from the search server 20 and outputs them through the display unit provided in the terminal.

2 is a block diagram schematically illustrating a search server of a mobile-based geographical information search and inquiry system according to an exemplary embodiment of the present invention. As shown, the search server 20 according to the present invention includes a communication unit 210 for transmitting and receiving data to and from the user terminal 10, and terminal information including the location information of the terminal received or detected from the user terminal 10. The GIS server 220 extracts the representative names of the region where the corresponding terminal is located and retrieves a list of relevant names related to the representative names of the region where the corresponding terminal extracted by the GIS server 220 is located. It consists of an application server 230 to transmit.

The GIS server 220 obtains the location information of the user from the user terminal 10 having a wireless communication function, and extracts the geographical name that is the geographically nearest name from the current location of the user based on the acquired location information, that is, an application server. It is responsible for transmitting to 230. The GIS server 220 is received by the terminal information collection unit 221 and terminal information collection unit 221 for receiving or detecting and storing terminal information including respective terminal location information from a plurality of user terminals 10. Or a representative name extracting unit 222 for extracting a representative name of a region where the corresponding terminal is located by using the detected terminal information.

The terminal information collecting unit 221 receives terminal information including location information of the terminal, identification information of the terminal, user information, and a wireless network address from a plurality of user terminals 10 connected to the search server 20 through wireless communication. Received or detected and outputted to the representative name extracting unit 222 and stored in the terminal information database 223. The terminal information is received or detected at predetermined intervals by the terminal information collection unit 221 and stored in the terminal information database 223 until the disconnection signal is received from the user terminal 10 connected to the search server 20. When storing, the location information included in the terminal information is stored without being updated and used as history information for predicting the direction of the terminal.

The representative name extracting unit 222 extracts the location information of the corresponding terminal from the terminal information collected by the terminal information collecting unit 221, and extracts the representative name of the corresponding area from the spatial information database 224. To send). The representative name extracting unit 222 uses a representative index method of a spatial database reflecting a geographical characteristic such as R-Tree.

Hereinafter, the representative name extracting method according to the location information of the terminal by the representative name extracting unit 222 will be described in more detail. 3A is an exemplary diagram illustrating an example of an operation of extracting a representative name according to an embodiment of the present invention, and FIG. 3B illustrates a query of an R-tree index structure in a location-based query according to an embodiment of the present invention. This is an example. FIG. 3A illustrates the operation of a GIS server for finding geographically closest names, that is, representative names, when a user travels downtown Seoul with a PDA having a GPS function equipped with a function of a geographical information retrieval and inquiry system according to the present invention. For example, "Gwanghwamun" is found as a representative place.

The GIS server 220 uses an R-Tree method, which is a typical indexing method of the spatial information database 224, which reflects the geographical characteristics as a multidimensional spatial indexing method to find the nearest place based on the geographical location of the user. Spatial data stored in the R-Tree is represented as an object of a terminal node in a minimum bounding rectangle (MBR) based on the geographical position. When the user transmits his location information to the GIS server 220 through his terminal, the representative name extractor 222 of the GIS server 220 queries the location-based query for the area within a certain distance based on the user's geographical location. Create (LDQ: Location Based Query) and find the nearest object by searching all MBRs within a certain distance overlapping the generated location-based query area.

3B illustrates a query of an R-Tree index structure in a location-based query according to an embodiment of the present invention. There are subtrees R10, R11, and R12 under the root R, and as subtrees under R10, R11, and R12, respectively, {R1, R2, R3}, {R4, R5, R6}, {R7, R8, R9 } Exists. The area queried by the user overlaps with the areas R10, R11, and R12 first, and also overlaps with R2, R3, R5, and R8 among the respective subtrees, so that the GIS server 220 uses R2, R3, R5, The distance operation is performed between the subordinate objects corresponding to R8, and the nearest object is selected and extracted as the representative name. The extracted representative name is transmitted to the application server 230.

The application server 230 searches for the relevant names related to the representative names by using the representative names received from the representative area extracting unit, and transmits the searched related names to the user's terminal. The application server 230 is a web page collection unit 231 for collecting the web page associated with the representative name extracted by the representative name extraction unit 222, and representative from the web page collected by the web page collection unit 231 A related name search unit 232 for extracting a related name related to a place name, and a list of related name names extracted by the related name search unit 232 to the user terminal 10 through the communication unit 210 of the GIS server 220. It provides a related name providing unit 233 to provide.

The web page collection unit 231 may be a kind of search engine, and uses a search engine to collect web pages highly related to representative names. The search engine used in the search server 20 may be equipped with an engine built on its own, and is generally used on the web to prevent overload of the search server 20, for example, such as Naver, Yahoo, and Google. Can be used in conjunction with a conventional search engine.

The related name search unit 232 extracts a predetermined number of related names related to the representative name from the web pages collected by the web page collection unit 231 according to the high and low relevance thereof, and provides the related name providing unit 233. Output The related name extracted by the related name search unit 232 regards the web space as a source of information, rather than a simple keyword search result for the web, and analyzes the relation or structure between the web page and the keyword, This is the most relevant place name. Relevant geographical names mean geographically meaningful names, for example, representative names, and administrative names, cultural property names, etc. that are actually associated with the names.

Extracting the relevant local information with a place name is a task that requires expensive operation through data mining, and providing a related place name by calculating the relevance (association) for a place name in real time to the application server 230. It's a task of giving a load Therefore, the application server 230 takes a prefetching method in which relevance for all representative names is precomputed and only the calculated results are stored in the related name list database.

In this way, when the application server 230 receives a request for a search for a related name for any representative name, the application server 230 reads and provides a result stored in the related name list database without relevance calculation, thereby reducing the burden of expensive operation. The association operation with any representative name is periodically executed to reflect the web data that changes frequently and to take into account the change in the relationship between the web data that changes. The calculated result is updated in the related name list database.

The related name providing unit 233 transmits the related name list of representative names extracted by the related name searching unit 232 to the user terminal 10 through the communication unit 210. The user terminal receives the information and provides the same to the user through display means such as a liquid crystal display device provided in the terminal.

According to an additional aspect of the present invention, the GIS server 220 according to the present invention predicts the direction of the terminal through the history information of the terminal location information received or detected from the user terminal 10 to extract the representative name extraction unit 222 It further comprises a direction detection unit 225 for transmitting to.

The direction detecting unit 225 predicts the moving direction of the terminal according to the terminal identification information stored in the terminal information database 223 in which the location information of the user terminal 10 is stored and transmits it to the representative name extracting unit 222. The terminal information including the location information of the terminal, the terminal identification information, the user information, and the wireless network address received or detected by the terminal information collection unit 221 is stored in the terminal information database 223 according to the terminal identification information.

The terminal information is received or detected at predetermined intervals by the terminal information collection unit 221 and stored in the terminal information database 223 until the disconnection signal is received from the user terminal 10 connected to the search server 20. When storing, the location information included in the terminal information is not updated but stored in a storage space such as a stack or a queue. The terminal location information stored as described above is used as history information of the heading direction, and the direction detector 225 may predict the heading direction of the user by using the change of the terminal location information according to the time stored in the terminal information database 223.

The representative name extracting unit 222 receives the traveling direction predicted by the direction detecting unit 225 and extracts the representative name of a predetermined distance, for example, 5 km or 10 km in advance, from the web server to collect the web page of the application server 230. Transfer to the unit 231. Referring to FIG. 3A, when the representative place name of the area where the user terminal 10 is located is “Gwanghwamun” and the direction predicted by the direction detecting unit 225 is “crossroad angle,” representative place name extraction unit 222. Extracts a representative place name of a region located 5 km in the forward direction, that is, the direction of the "crossroads" and transmits it to the web page collection unit 231.

The web page collecting unit 231 collects web pages related to the representative name received from the representative name extracting unit 222, and the related name searching unit 232 collects the web pages collected by the web page collecting unit 231. By extracting a related name that is highly related to the representative name through the relevant name providing unit 233 provides a list of related names to the user terminal (10). Therefore, there is an advantage that the user can serve as a tour guide of the place where the user travels for the first time.

According to a further aspect of the present invention, the application server 230 according to the present invention is a geographical name information database 234 and geographic location information extraction unit 222 that stores the map information and the geographical location information of each name existing on the map A map that reads the geographical name on the map of the representative name extracted by the relevant name and the relevant name search unit 232 extracted from the name information database 234 to provide to the user terminal 10 through the communication unit 210 The information providing unit 235 is further included.

The map information and the geographical location information stored in the geographical name information database 234 are coordinate values such as, for example, latitude / longitude, used in the numerical map. In an embodiment of the present invention, the measured numerical maps of Seoul and Gyeonggi-do areas produced by the National Geographic Institute are used. The location information database 234 stores unique location information of each place name, for example, latitude and longitude information of the place name.

The map information providing unit 235 receives the representative name extracted by the representative name extracting unit 222 and the related name extracted by the related name searching unit 232, and obtains geographical location information on the map of the corresponding names. The data is read from the database 234 and transmitted to the user terminal 10.

The user terminal 10 receives the geographic location information of the representative place name and the associated place name received from the map information providing unit 235 and displays the output on a map within a predetermined distance, for example, 5 km or 10 km, based on the representative place name. . Thus, the user has the advantage of providing visual local information.

4 is a block diagram schematically illustrating a user terminal of a mobile based geographic information search and inquiry system according to an exemplary embodiment of the present invention. As shown, the user terminal 10 according to the present invention is a display unit 310 for outputting geographic information provided from the search server 20, an input unit 320 for receiving and outputting an operation command from the user, and the search A data transmission / reception unit 330 for transmitting and receiving data to and from the server 20, a location information calculation unit 340 for calculating and outputting geographic location information of the user terminal 10, and an operation program of the terminal are stored. The terminal information collection unit of the GIS server 220 includes terminal information including the memory 350 in which the geographic information inquiry program provided from 20 is stored, and the corresponding terminal position information calculated by the position information calculating unit 340. A terminal information registration unit 360 notifying to 221, a terminal control unit 371 for controlling the entire terminal, and a geographic information inquiry program are read and driven from the memory 350, and the related designation system of the application server 230 is read. Study (2 A control unit 370 including a system control unit 372 including a related place name output processing unit 372-1 which receives a related place name associated with a representative place name of a region in which the corresponding terminal is located, from 33 to the display unit 310; It is characterized by including.

The display unit 310 may be a display means such as a general liquid crystal display, and the input unit 320 may be a keypad composed of a plurality of input keys. Considering that the user terminal 10 according to the present invention is a mobile terminal emphasizing portability, the display unit 310 and the input unit 320 may be configured as a touch panel capable of image output and input. The display unit 310, the input unit 320, and the touch panel may have a well-known configuration, and a detailed description thereof will be omitted.

The data transceiver 330 may be, for example, a wireless communication module supporting mobile communication methods such as CDMA and GSM and mobile Internet communication such as WAP used in a mobile phone. The data transceiver 330 transmits and receives data to and from the search server 20 through a base station using wireless communication.

The location information calculator 340 calculates location information according to the geographical location of the current terminal by a GPS signal received from a GPS satellite or a distance calculation method according to a signal delay time between the terminal and the base station to calculate the location of the current terminal. Output to system control unit 372. Since the above-described GPS signal and the distance calculation method according to the signal delay time between the terminal and the base station are already known, a detailed description thereof will be omitted.

The memory 350 is implemented as a nonvolatile memory capable of reading and writing data such as, for example, a flash memory, and stores an operating program of the terminal and a geographic information inquiry program provided from the search server 20. .

The terminal information registration unit 360 notifies the search server 20 of the terminal information including the corresponding terminal location information calculated by the location information calculation unit 340 when establishing a connection with the search server 20. The terminal information includes location information of the terminal, identification information of the terminal, user information, and a wireless network address. The search server 20 stores the terminal information received from the terminal information register 360 of the user terminal 10 in the terminal information database 223.

The terminal controller 371 reads and drives the terminal operating program from the memory 350 to control the entire apparatus of the user terminal 10. Most circuits of the data transceiver 330 and the terminal controller 371 are commercially provided as a single integrated circuit. This integrated circuit includes dedicated hardware for processing communication therein, a digital signal processor and a general purpose microprocessor. Logically, they control voice and data communication, and a convenient application environment, such as a virtual machine, which controls the entire system according to an operation signal or an operation state input from the input unit 320 is supported, and according to various aspects of the present invention. Control can be processed by the program.

The system controller 372 reads and drives the geographic information inquiry program stored in the memory 350 to control the overall geographic information inquiry system. In addition, the position information of the terminal is received from the position information calculation unit, and generates terminal information including the terminal identification information, the user information, and the wireless network address and transmits it to the GIS server 220.

The system control unit 372 includes a related name output unit 372-1. The related name output processor 372-1 receives geographic information including the representative name of the region where the corresponding terminal is located and the related name related to the representative name from the search server 20 and outputs it to the display unit 310. Therefore, the user can check the list of the name of the representative and the name of the neighborhood in which it is located.

According to a further aspect of the present invention, the user terminal 10 according to the present invention includes a map database 351 in which maps of various accumulations are stored, and the system controller 372 extracts the representative name extraction unit 222 of the GIS server 220. Read the map of the area corresponding to the representative name extracted by the map from the map database 351, and the location information on the map of the representative name and the associated name received from the map information provider 235 of the application server 230 It further includes a map provider 272-2 to receive and display on the read map.

In the map database 351, a measured numerical map is stored. In the present invention, a numerical map of Seoul and Gyeonggi-do areas produced by the National Geographic Institute is used. The map provider 272-2 reads a map within a predetermined distance centered on the representative name from the map database 351 by using the representative name transmitted from the relevant name provider 233 of the application server 230. . In addition, the map provider 272-2 may provide geographical location information on a map of a representative place name of a region where a current terminal is located and a nearby associated place name associated with it, transmitted from the map information provider 235 of the application server 230. Receive it and display it on the read map.

Therefore, the geographical location of the representative name of the area where the user terminal 10 is located and the geographical location of the relevant name are displayed on the map and provided, thereby providing visual local information to the user.

5 is a block diagram schematically illustrating a search server of a mobile based geographic information search and inquiry system according to another embodiment of the present invention. As shown, the search server 20 of the mobile-based geographic information search and retrieval system according to another embodiment of the present invention, as shown in accordance with the present invention is an application server other than the configuration described above with reference to FIG. Relevant region information search unit 236 for extracting relevant region information related to the representative place name from the web page collected by the web page collection unit 231 and the representative extracted by the related region information search unit 236. The apparatus further includes a related region information providing unit 237 for providing the related region information of the place name to the user terminal 10 through the communication unit 210.

The related area information search unit 236 extracts only a predetermined number of related area information related to the representative place name from the web page collected by the web page collection unit 231 according to the high and low relevance of the related area information providing unit ( 237). Relevant area information is related area information that is most relevant to the extracted representative name by analyzing the relationship or structure between web pages and keywords, considering the web space as a source of information rather than a simple keyword search result on the web. Relevant local information refers to information that is related to the name of the representative place, although it does not have a geographical name and geographical meaning, such as an event, a person, or an article.

Extraction of relevant local information is also a task that requires expensive computation through data mining, and providing a related name by calculating a relevance (association degree) for a representative name in real time is a task that loads the application server 230. Therefore, the application server 230 takes a prefetching method in which relevance for all representative names is precomputed and only the calculated results are stored in the related name list database.

The related area information providing unit 237 transmits the related area information list of the representative place name extracted by the related area information searching unit 236 to the user terminal 10 through the communication unit 210. The user terminal 10 receives the information and provides the same to the user through display means such as a liquid crystal display device provided in the terminal.

According to an additional aspect of the present invention, the application server 230 according to the present invention extracts the URL of the representative name-related web page collected by the web page collection unit 231 through the communication unit 210 extracted URL list The apparatus further includes a URL information providing unit 238 provided to the user terminal 10.

The URL information providing unit 238 collects the URLs of the web pages collected by the web page collecting unit 231 and provides the URL list of the collected web pages to the user terminal 10. Since the web page appearing on the first result page of the web page list collected by the web page collection unit 231 is a web page highly related to the representative name, the URL information provider 238 collects this URL information. The URL information providing unit 238 selects URL information of a predetermined number of highly relevant web pages among the collected URL information and transmits the list to the user terminal 10. When the user selects one of a list of URLs output on the terminal, the user terminal 10 establishes a connection to a corresponding web page through a mobile web browser mounted on the terminal.

According to a further aspect of the present invention, the application server 230 according to another embodiment of the present invention is a traffic information database 239, which stores the traffic information of each place name on the map stored in the map information database, and the representative place name extraction It further includes a traffic information provider 240 for reading the traffic information of the representative name extracted by the unit 222 from the traffic information database 239 and provides it to the user terminal 10.

The traffic information database 239 stores traffic information of each place name on a map of a predetermined area searchable by the geographic information search and inquiry system according to the present invention, for example, city bus route information, subway line information, and various road information. do.

Traffic information provider 240 receives the representative name extracted by the representative name extraction unit 222 traffic information of the representative name received, for example, the line of the city bus, subway lines, roads passing through the area The information is read from the traffic information database 239 and transmitted to the user terminal 10. The user terminal 10 receives the information and provides the same to the user through display means such as a liquid crystal display device provided in the terminal.

According to a further aspect of the present invention, the GIS server 220 according to another embodiment of the present invention receives the geographic location information of the selected area received from the user terminal 10 to extract the representative name of the area 222 It further includes a location information collecting unit 226 for outputting.

Referring to the user terminal 10 as a mobile terminal with emphasis on portability, the display unit 310 of the terminal is preferably formed of a touch panel capable of input and image output. When the user touches an area to be searched on the map output through the display unit 310 of the user terminal 10 using an electronic pen or a finger provided with the terminal, the system control unit 372 of the terminal is configured to The geographical location information is calculated and transmitted to the location information collection unit 226 of the GIS server 220.

The location information collection unit 226 receives the location information of the selected area received from the user terminal 10 and outputs the location information to the representative name extraction unit 222. The representative name extracting unit 222 extracts the representative name of the corresponding region using the location information of the selected region output from the location information collecting unit 226 and transmits it to the application server 230. The application server 230 uses the corresponding representative name, the representative name of the selected region, the relevant name associated with the representative name, the map information displayed with the representative name and the associated name, the relevant region information related to the representative name, the web page URL related to the representative name. The geographical information including the information and traffic information of the representative place is transmitted to the user terminal 10.

According to a further aspect of the present invention, the GIS server 220 according to another embodiment of the present invention is a name keyword collection to receive the name keyword input and transmitted by the user terminal 10 to transmit to the application server 230 A portion 227 is further included.

The place name keyword collection unit 227 receives the place name keyword received from the user terminal 10 and outputs it to the web page collection unit 231 of the application server 230. For example, when a user directly inputs a place name to be searched through the input unit 320 of the terminal, the system controller 372 of the terminal transmits the place name keyword input from the user to the GIS server 220. Name keyword collection unit 227 of the GIS server 220 receives this and transmits to the application server (230). The application server 230 uses a place name keyword, a related place name associated with the input place name, map information in which the place name is associated with the place name is displayed, related area information related to the place name, web page URL information associated with the place name, traffic information of the place name. Sends geographic information including the to the user terminal (10).

6 is a block diagram schematically illustrating a user terminal of a mobile-based geographic information retrieval and inquiry system according to another embodiment of the present invention. As shown, the system control unit 372 of the user terminal 10 according to another embodiment of the present invention receives a list of relevant area information related to the representative place name from the search server 20 to output to the display unit 310 A related area information output processor 372-3 is further included.

When the terminal information collecting unit 221 of the GIS server 220 receives or detects terminal information from the user terminal 10 and outputs the location information to the representative name extracting unit 222, the representative name extracting unit 222 does this. Receives and extracts the name of the representative of the region and transmits to the web page collection unit 231. The web page collection unit 231 collects highly relevant web pages through the received representative names. The relevant location information search unit 236 of the application server 230 extracts only a predetermined number of related area information related to the representative place name from the web page collected by the web page collection unit 231 according to the high and low relevance thereof. The relevant area information providing unit 237 is output. The related area information providing unit 237 transmits the related area information list of the representative place name extracted by the related area information searching unit 236 to the user terminal 10 through the communication unit 210. The related area information output processor 372-3 receives a list of related area information of the representative place name transmitted by the related area information provider 237 of the search server 20 and outputs it through the display unit 310.

According to a further aspect of the present invention, the system control unit 372 according to another embodiment of the present invention receives a list of URLs of the representative name related web page from the URL information providing unit 238 of the application server 230 to display the display unit ( It further includes a URL list output processing unit 372-4 output to 310.

The URL information providing unit 238 of the application server 230 is a web page that is highly related to the representative name of the web page appearing on the first result page of the web page list collected by the web page collection unit 231. Study 238 collects this URL information. The URL information providing unit 238 of the application server 230 selects URL information of a predetermined number of highly relevant web pages among the collected URL information, and outputs a URL list output processor 372-4 of the user terminal 10. The URL list output processor 372-4 receives the transmitted URL list and outputs the received URL list through the display unit 310.

When the URL list output processor 372-4 selects one of the URL lists output to the terminal through, for example, the input unit 320 having a plurality of input keys or a touch panel capable of inputting and outputting an image, Set up a connection to the web page through the mobile web browser installed in the terminal.

According to a further aspect of the present invention, the system control unit 372 according to another embodiment of the present invention receives the traffic information of the representative name from the search server 20 and outputs to the display unit 310 traffic information output processing unit 372 -5) further.

Traffic information provider 240 of the application server 230 receives the representative name extracted by the representative name extraction unit 222 traffic information of the representative name received, for example, the line of the city bus passing through the area Traffic information, such as subway lines and road information, is transmitted to the traffic information output processor 372-5 of the user terminal 10. The traffic information output processor 372-5 outputs the received traffic information of the representative place name through the display unit 310 of the terminal.

According to a further aspect of the present invention, the terminal information registration unit 360 according to another embodiment of the present invention searches the location information of any area selected by the user in the area map output to the display unit 310, the search server 20 It further includes a location information registration unit 361 to be transmitted to, the system control unit 372 is a representative name according to the selected location information received from the search server 20, the relevant name associated with the representative name, the representative name and associated name is displayed Characterized in that it receives the geographic information including the map information, the relevant region information associated with the representative place name, the web page URL information associated with the representative place name, the traffic information of the representative place, and outputs it to the display unit 310.

Referring to the user terminal 10 as a mobile terminal with emphasis on portability, the display unit 310 of the terminal is preferably formed of a touch panel capable of input and image output. When the terminal, which is output through the display unit 310 of the user terminal 10, is touched using an electronic pen or a finger provided with the terminal, the terminal information register 360 The location information register 361 extracts the location information on the map of the area selected by the user and transmits the location information to the location information collection unit 226 of the GIS server 220.

The location information collection unit 226 receives the location information of the selected area received from the user terminal 10 and outputs the location information to the representative name extraction unit 222. The representative name extracting unit 222 extracts the representative name of the region using the location information of the selected region output from the location information collecting unit 226 and transmits the representative name of the region to the application server 230. The application server 230 uses the corresponding representative name, the representative name of the selected region, the relevant name associated with the representative name, the map information displayed with the representative name and the associated name, the relevant region information related to the representative name, the web page URL related to the representative name. The geographical information including the information and traffic information of the representative place is transmitted to the user terminal 10. The system controller 372 of the user terminal 10 may include a representative name according to the selected location information received from the search server 20, a related name related to the representative name, map information displayed on the representative name and related name, and related to the representative name. Geographic information including local information, web page URL information related to the representative name, and traffic information of the representative name is received and output through the display unit 310, respectively.

According to a further aspect of the present invention, the terminal information register 360 according to another embodiment of the present invention transmits a place name keyword input from the user through the input unit 320 to the search server 20. It further comprises a), and receives the geographic information according to the name keyword received from the search server 20 is characterized in that for outputting to the display unit (310).

When the user inputs a place name to search through his terminal, the place name keyword register 362 of the terminal information register 360 receives the input place keyword by the place name keyword collection unit 227 of the GIS server 220. It transmits to the web page collection unit 231 of the application server 230. For example, when a user directly inputs a place name to be searched through the input unit 320 of the terminal, the system controller 372 of the terminal transmits the place name keyword input from the user to the GIS server 220. Name keyword collection unit 227 of the GIS server 220 receives this and transmits to the application server (230). The application server 230 uses a place name keyword, a related place name associated with the input place name, map information in which the place name is associated with the place name is displayed, related area information related to the place name, web page URL information associated with the place name, traffic information of the place name. Sends geographic information including the to the user terminal (10).

The system control unit 372 of the user terminal 10 receives geographic information according to the input name keyword transmitted from the application server 230 and outputs to the display unit 310 a representative name related to the representative name, related name related to the representative name, related to the representative name. Geographic information including map information marked with the name of the place, relevant region information related to the representative name, web page URL information related to the representative name, and traffic information of the representative name is received and output through the display unit 310, respectively.

FIG. 7 is a schematic diagram schematically illustrating a structure of a graphical user interface (GUI) of a user terminal of a mobile based geographic information search and inquiry system according to an exemplary embodiment of the present invention. As shown, according to a preferred embodiment of the present invention, the graphical user interface (GUI) of the geographic information output through the display unit 310 of the user terminal 10 is configured in a variety of geographic information to input the input unit 320 Characterized in accordance with the user's selection command entered through.

The user terminal 10 according to the present invention is, for example, a mobile terminal such as a mobile phone, a PDA, an HPC (Hand PC), that is, a terminal having characteristics such as wireless and mobility. Therefore, the user terminals 10 have a display with a much smaller resolution than a display of a general PC used online, have mobility that can be used anytime, anywhere, and have a special pointing device in the form of a touch screen and a pen, not a keyboard and a mouse. . Therefore, a GUI for efficiently viewing geographic information is required even on a small display, and it must be designed to conveniently retrieve geographic information through an electronic pen or an input device in the form of a touch screen.

Therefore, the system according to the present invention may be provided with geographic information of the region through various interfaces through the user's GUI operation. The GUI of the user terminal 10 provides a user configurable GUI in order to provide geographic information to the user more efficiently. The GUI of the user terminal 10 according to the present invention is composed of a full map, detailed map, traffic information, a related place name, a related area information list, and a URL list. The GUI is similar to JAVA's Card-Layout, and is defined as one document template, and two document templates or one document template are expanded on the screen according to the user's selection.

Therefore, the GUI can configure screens such as full maps and detailed maps, detailed maps, related names and related local information lists and traffic information, and full maps and related geographical names and related local information lists and traffic information. It can provide various types of geographic information while overcoming the weak interface environment.

The overall map represents the entire area that provides the geographic information. In the mobile-based geographic information search and inquiry system according to the present invention, the entire map is displayed in Seoul and its surrounding areas and associated with the representative name provided by the application server 230 on the entire map. The overall distribution of these highly relevant names is displayed. The detailed map provides geographic location information on the map of the relevant name around the focused representative name.

The keyword list provides a representative place name extracted by the GIS server 220, a list of related place names that are highly related to the representative place name provided by the application server 230, and a list of related area information that is highly related to the place name. In addition, traffic information of the representative place is output.

The URL interface provides a list of URLs of the homepages related to the currently focused representative name. By selecting one of the URL lists provided by the URL interface, the user can obtain detailed information of the representative name and the related name through the mobile web browser. Such a series of operations are performed whenever the location information of the user is changed, and thus, the user can efficiently search for geographic information that can automatically obtain geographic information simply by moving with the terminal.

Geographic information provided from the application server 230 is displayed as shown in Figure 8a, 8b, 8c for each lower interface. The overall map represents the entire area providing the geographic information. In the mobile-based geographic information search and inquiry system according to the present invention, the entire location of Seoul and its surroundings is displayed, and the application server provides the representative map of the current location on the full map. The overall distribution of related names is displayed. 8A is an exemplary diagram illustrating a GUI of the user terminal 10 divided into two parts, a general map and a detailed map, according to an exemplary embodiment of the present invention. As shown, the squares appearing on the overall map represent the approximate current location of the user in the Seoul area, and a number of points represent the representative names and the distribution of related names associated with them.

The detailed map provides the geographic location of the surrounding name that is closely related to the focused representative name. In the detailed map of FIG. 8A, "Gwanghwamun" is a focused place name, which means the closest place name based on the current location of the user, and other points are received from the application server 230, that is, most relevant to the place name. It means the place name ("Gyeongbokgung", "Sejong Cultural Center", "Changdeokgung").

The keyword interface provides a list of related place names and related area information that are highly related to the representative place names retrieved by the application server 230. Relevant place names mean geographically meaningful names, such as administrative names and cultural property names, etc., and related area information does not have geographic meaning, such as events, people, goods, etc. do.

8B is an exemplary diagram illustrating a GUI of the user terminal 10 divided into two URL lists and keyword lists according to an exemplary embodiment of the present invention. As shown, as a display example for the keyword list, the related names related to "Gyeongbokgung" such as "Changdeokgung", "Gwanghwamun", "Changgyeonggung", and the "stonework" on the right are centered on the representative names "Gyeongbokgung". This is an example of the output of relevant local information such as "Gwanghui" and "Chengseongbaek".

The URL list shown in FIG. 8B provides a list of URLs of related web pages highly related to representative names by the application server 230. The user can search for detailed information of the representative place name through the mobile web browser by clicking the desired URL from the URL list provided by the URL list.

8C is a diagram illustrating another embodiment of a GUI supported by the user terminal 10 of the mobile-based geographic information retrieval and inquiry system according to an exemplary embodiment of the present invention. As shown, the GUI of the user terminal 10 according to the present invention can confirm the search results at a higher resolution by integrating two extended document templates into one.

As described above, the mobile-based geographic information search and inquiry system according to the present invention extracts the representative names of the region through the location information of the user terminal, and extracts a list of related names related to the representative names, No input is required, and various local information related to the user's current location is provided.

In addition, the geographical location of the representative name of the region where the user terminal is located and the geographical location of the relevant name is displayed on the map and provided, thereby providing visual local information to the user.

In addition, by extracting and providing a list of relevant area information, such as events, people, goods that are highly related to the representative name of the area where the user terminal is located, it has the advantage of serving as a travel guide of the area.

In addition, by providing the URL information of the web page that is highly related to the extracted representative name, if you want the detailed information of the name, it has the advantage that you can immediately search for information without the need for a separate search.

In addition, by predicting the representative names located in the direction in which the user is moving to provide the geographic information related to this, it has the advantage that can serve as a guide for the user who first travels to the area.

In addition, by providing the extracted representative name and the traffic information of the selected name, it has the effect of providing the user with convenience when moving to the area.

On the other hand, the present invention has been described with reference to the embodiments shown in the drawings, which is merely exemplary, and those skilled in the art will understand that various modifications and equivalent other embodiments are possible therefrom. Therefore, the true technical protection scope of the present invention will be defined only by the appended claims.

Claims (28)

In the mobile based geospatial information retrieval system implemented in a retrieval server which is equipped with a geographic information retrieval program for responding to wireless access of a plurality of user terminals and serving geographic information. A terminal information collecting unit which receives or detects terminal information including respective terminal position information from the plurality of user terminals and stores the terminal information in a terminal information database, and uses the terminal information received or detected by the terminal information collecting unit. A GIS server including a representative name extracting unit for extracting a representative name of a region where the terminal is located; A web page collecting unit for collecting web pages related to the representative name extracted by the representative name extracting unit, a related name searching unit for extracting related names related to the representative name from the web pages collected by the web page collecting unit; An application server including a related name providing unit which provides the related name list extracted by the related name searching unit to the user terminal; Mobile-based geographic information retrieval system comprising a. The terminal of claim 1, wherein the terminal information is: Mobile information geographic information retrieval system comprising the identification information, the user information, the wireless network address of the user terminal. The system of claim 1 or 2, wherein the GIS server is: A direction detecting unit for predicting a forward direction of a corresponding terminal through history information of terminal location information stored by the terminal information collecting unit and transmitting the predicted direction to the representative name extracting unit; The representative name extraction unit: Mobile based geographic information retrieval system, characterized in that for extracting the representative place name located in the direction of the user terminal predicted by the direction detection unit and transmitted to the application server. 4. The method of claim 3, wherein the application server is: A geographical name information database for storing geographical position information of each geographical name existing on the digital map and the digital map; A map information providing unit configured to read a geographical location on a map of a representative place name extracted by the representative place name extraction unit and a related place name retrieval unit from the geographic information database and provide it to the user terminal; Mobile-based geographic information retrieval system, characterized in that it further comprises. The method of claim 4, wherein the application server is: A related region information searching unit for extracting relevant region information related to the representative place name from the web pages collected by the web page collecting unit; A related region information providing unit providing related user region information of the representative place name extracted by the related region information searching unit to the user terminal; Mobile-based geographic information retrieval system, characterized in that it further comprises. The method of claim 5, wherein the application server: And a URL information providing unit extracting a URL of a representative name related web page collected by the web page collecting unit and providing the extracted URL list to the user terminal. The method of claim 6, wherein the application server: A traffic information database for storing traffic information of each place name on the digital map; A traffic information providing unit configured to read the traffic information of the representative name extracted by the representative name extracting unit from the traffic information database and provide it to the user terminal; Mobile-based geographic information retrieval system, characterized in that it further comprises. 8. The system of claim 7, wherein the GIS server is: And a location information collection unit which receives the geographical location information of the selected area received from the user terminal and outputs the location information to the representative name extraction unit of the corresponding area. 9. The system of claim 8, wherein the GIS server is: And a geographical name keyword collecting unit for receiving the geographical name keyword transmitted from the user terminal and transmitting the geographical name keyword to the application server. In a geographic information inquiry system implemented in a user terminal with a geographic information inquiry program for accessing a geographic information retrieval program connected with a geographic information retrieval program through wireless communication, the user terminal comprises: A display unit for outputting geographic information provided from the search server; An input unit for receiving and outputting an operation command from a user; A location information calculator for calculating and outputting geographic location information of the user terminal; A memory storing an operating program of the user terminal and storing a geographic information inquiry program provided from the search server; A terminal information registration unit for notifying the search server of terminal information including location information calculated by the location information calculation unit; A terminal control unit which controls the overall user terminal, and reads and drives a geographic information inquiry program from the memory, and receives a related name related to the representative name of the region where the terminal is located from the search server and outputs it to the display unit. A controller including a system controller including a command output processor; Mobile-based geographic information retrieval system comprising a. The terminal of claim 10, wherein the terminal information is: Mobile based geographic information inquiry system comprising the identification information, the user information, the wireless network address of the user terminal. The method of claim 10 or 11, wherein the memory is: Further comprising a map database in which maps of various accumulations are stored; The system control unit: Providing a map of the area corresponding to the representative name extracted by the search server in the map database, receiving the location information on the map of the representative name and the associated name received from the search server and displaying the map on the read map. Mobile-based geographic information retrieval system, characterized in that it further comprises a wealth. The system of claim 12, wherein the system control unit: And a related area information output processing unit which receives a related area information list related to a representative place name from the search server and outputs the related area information list to the display unit. The system of claim 13, wherein the system control unit: And a URL list output processing unit which receives URL information of a representative name related web page from the search server and outputs the URL information to the display unit. 15. The system of claim 14, wherein the system control unit: And a traffic information output processing unit for receiving the traffic information of the representative place name from the search server and outputting the traffic information to the display unit. The terminal of claim 15, wherein the terminal information registration unit: A location information registration unit for transmitting location information of an arbitrary area selected by a user in the area map output to the display unit to the search server; The system control unit: Mobile based geography, characterized in that to receive and output the geographic information including the relevant name, map information, relevant area information, URL information, traffic information according to the representative name according to the selected location information received from the search server Information inquiry system. 17. The apparatus of claim 16, wherein the terminal information register comprises: A name keyword registration unit for transmitting a name keyword input from a user through the input unit to the search server; The system control unit: Mobile-based geography, characterized in that to receive and output the geographic information including the relevant name, map information, relevant region information, URL information, traffic information according to the representative name according to the input name keyword received from the search server Information inquiry system. 18. The apparatus according to claim 17, wherein a related place name, map information, related area information, URL information, and traffic information according to a representative place name output on a graphical user interface (GUI) of the display unit are defined as one document template; The system control unit: And a document template configured to be output to the display unit by a user's selection command input through the input unit. It is equipped with a search server that is driven by a geographic information search program that responds to wireless access of a plurality of user terminals and serves geographic information, and a geographic information inquiry program, which is connected to the search server through wireless communication and inquires geographic information. In the geographic information retrieval and inquiry system including a user terminal driven and driven, The search server is: A terminal information collection unit for receiving or detecting and storing terminal information including respective terminal location information from the plurality of user terminals, and an area in which the terminal is located using the terminal information received or detected by the terminal information collection unit; A GIS server comprising a representative name extracting unit for extracting a representative name of the; A web page collecting unit for collecting web pages related to the representative name extracted by the representative name extracting unit, a related name searching unit for extracting related names related to the representative name from the web pages collected by the web page collecting unit; And an application server including a related name providing unit which provides the related name list extracted by the related name searching unit to the user terminal. The user terminal: A display unit for outputting geographic information provided from the search server; An input unit for receiving and outputting an operation command from a user; A location information calculator for calculating and outputting geographic location information of the user terminal; A memory storing an operating program of the user terminal and storing a geographic information inquiry program provided from the search server; A terminal information registration unit for notifying the search server of terminal information including location information calculated by the location information calculation unit; A related name for outputting to the display unit a terminal control unit which controls the entire user terminal and a geographic information inquiry program from the memory and driving the same; Including a control unit including a system control unit including an output processing unit; Mobile-based geographic information search and query system characterized in that. 20. The terminal of claim 19, wherein the terminal information is: Mobile information geographic information retrieval system comprising the identification information, the user information, the wireless network address of the user terminal. 21. The system of claim 19 or 20, wherein the GIS server is: A direction detecting unit for predicting a forward direction of a corresponding terminal through history information of terminal location information stored by the terminal information collecting unit and transmitting the predicted direction to the representative name extracting unit; The representative name extraction unit: Mobile based geographic information retrieval and inquiry system, characterized in that for extracting the representative name located in the direction of the user terminal predicted by the direction detection unit and transmitted to the application server. The method of claim 21, wherein the application server is: A geographical name information database for storing geographical position information of each geographical name existing on the digital map and the digital map; And a map information providing unit configured to read the geographical location on the map of the representative place name extracted by the representative place name extraction unit and the related place name search unit from the name place information database and provide the same to the user terminal; The memory of the user terminal is: Further comprising a map database in which maps of various accumulations are stored; The system control unit: Read a map of the area corresponding to the representative name extracted by the search server in the map database, and receives the location information on the map of the representative name and the associated name received from the map information providing unit to display on the read map Further comprising a map provider; Mobile-based geographic information search and query system characterized in that. The method of claim 22, wherein the application server is: A related region information searching unit for extracting related region information related to the representative place name from the web pages collected by the web page collecting unit; A related area information providing unit for providing the related area information of the representative place name extracted by the related area information searching unit to the user terminal; The system control unit: And a related area information output processing unit which receives a related area information list related to a representative place name from the related area information providing unit and outputs the related area information list to the display unit. The method of claim 23, wherein the application server is: A URL information providing unit for extracting a URL of a representative name-related web page collected by the web page collecting unit and providing the extracted URL list to the user terminal; The system control unit: And a URL list output processing unit for receiving a list of URLs of web pages related to representative names from the URL information providing unit and outputting the list of URLs to the display unit. The method of claim 24, wherein the application server is: A traffic information database for storing traffic information of each place name on the digital map; A traffic information provider for reading the traffic information of the representative name extracted by the representative name extracting unit from the traffic information database and providing the traffic information to the user terminal; The system control unit: And a traffic information output processing unit for receiving the traffic information of the representative place name from the traffic information provider and outputting the traffic information to the display unit. 26. The terminal of claim 25, wherein the terminal information register comprises: A location information registration unit for transmitting location information of an arbitrary area selected by a user in the area map output to the display unit to the search server; The GIS server is: A location information collection unit which receives the geographical location information of the selected area received from the location information registration unit and outputs it to the representative place name extraction unit of the corresponding area; The system control unit: Mobile based geography, characterized in that to receive and output the geographic information including the relevant name, map information, relevant area information, URL information, traffic information according to the representative name according to the selected location information received from the application server Information retrieval and inquiry system. 27. The terminal of claim 26, wherein the terminal information register comprises: A name keyword registration unit for transmitting a name keyword input from a user through the input unit to the search server; The GIS server is: A name keyword collecting unit which receives the name keyword transmitted from the user terminal and transmits the named keyword to the application server; The system control unit: Mobile-based geography, characterized in that to receive and output the geographic information including the relevant name, map information, relevant region information, URL information, traffic information according to the representative name according to the input name keyword received from the application server Information retrieval and inquiry system. The method of claim 27, Related place name, map information, related area information, URL information, and traffic information according to a representative place name output on a GUI (Graphic User Interface) of the display unit are defined as one document template; The system control unit: And a graphic user interface (GUI) according to a user's selection command input through the input unit to output to the display unit.

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