KR20080029228A - Located based contents providing system and method thereof - Google Patents

Abstract

A location-based contents service system and a method thereof are provided to recommend and search information which is spatially and temporally useful for a user among enormous location-based contents, and to display the recommended and searched information on a map, so that the user can easily read the information. A recommending/searching unit(311) filters location-based contents according to filtering criteria including at least one of inquiry periods and inquiry areas, and determines priority for the filtered location-based contents based on user-oriented evaluation criteria. A presentation unit(312) matches more than one location-based content whose priority is determined with a location on a map. A service provider(313) converts the matched location-based contents according to a user's terminal environment to provide the converted contents.

Description

[0001] SYSTEM AND METHOD FOR PROVIDING POSITION-BASED CONTENT [0002]

1 is a conceptual view of location-based content according to an embodiment of the present invention.

2 is an overall view of a location-based content providing system according to an embodiment of the present invention connected to a network.

3 is a system for providing location-based contents according to an embodiment of the present invention.

4 is a system for providing location-based contents according to another embodiment of the present invention.

FIG. 5 is a display screen in which recommendation is performed by the recommendation search unit according to an embodiment of the present invention.

6 is a display screen of a display unit included in a presentation unit according to an embodiment of the present invention.

7 is a method for providing location-based contents according to an embodiment of the present invention.

The present invention relates to a location-based content providing system and method, and more particularly, to a location-based content providing system and method for recommending and searching for location-based content.

As the infrastructure for location-based content creation (for example, mobile terminals, GPS, camera phones, etc.) is popularized, general users are also actively generating location-based content, so the amount of location-based content is increasing exponentially.

However, the existing location-based content providing service is a method in which a content provider generates and edits all maps and contents and provides them to service users unilaterally. As described above, existing location-based content providing services can not select large-scale location-based content to be displayed on a map, or recommend personalized and useful contents for each user.

SUMMARY OF THE INVENTION The present invention has been made in view of the above problems, and it is an object of the present invention to provide a method and apparatus for providing location-based content to a user. According to another aspect of the present invention, there is provided a method for displaying a large amount of location-based content generated by a user and a content provider on a map in a readable form.

That is, it is an object of the present invention to provide a system and method for providing location-based contents for recommending and retrieving useful information on a space and time from a vast amount of location-based contents and displaying the information on a map for easy reading.

According to an aspect of the present invention, there is provided a system and method for providing location-based content according to the present invention, which includes filtering location-based content according to a filtering criterion including at least one of an inquiry period and a query area, A recommendation search unit for determining a priority for the filtered location-based content, and a presentation unit for matching at least one location-based content having a priority determined with a location on the map.

A more preferred embodiment of the location-based content providing system according to the present invention further includes a service providing unit for converting the location-based content matched with the location on the map according to the environment of the user's terminal and providing the converted location-based content.

According to another aspect of the present invention, there is provided a method for providing location-based content, the method comprising: filtering location-based content according to a filtering criterion including at least one of an inquiry period and a query area; Based content, and a matching step of matching one or more prioritized location-based contents with positions on the map.

A more preferred embodiment of the method for providing location-based contents according to the present invention further comprises a service providing step of converting the location-based contents matched with the location on the map according to the environment of the user's terminal and providing the converted location-based contents.

As described above, the present invention provides a system and method for providing a location-based content for recommending and searching for useful information in time and space from a vast amount of location-based content and displaying the information on a map for easy reading.

Hereinafter, a system and method for providing location-based contents according to the present invention will be described in detail with reference to the accompanying drawings.

1 is a conceptual view of location-based content according to an embodiment of the present invention. Referring to FIG. 1, there are a location 120 and a content 110 for constituting a location-based content. As such, the location-based content refers to content where the location 120 and the content 110 are organically combined.

Possible locations 110 in the location-based content are a location 111 obtained by direct input, a location 112 indirectly entered, and a location 113 inferred.

The location 111 obtained by direct input includes an address, a telephone number, a postal code, and a coordinate obtained by clicking on the map.

Indirectly input location 112 is a location that can be obtained through indirect equipment. For example, there may be a cell ID that can be acquired through a mobile phone, coordinates and coordinate sets (moving trajectory) that can be acquired through GPS, and an IP address that can be obtained when a computer is connected to the server.

The inferred position 113 refers to a position inferred based on contents (content) inputted by the users.

The position 110 can be transformed into a shape such as a TM (Transverse Mer- trotor) coordinate system, which is a planar rectangular coordinate system, if necessary.

Content 120, which may be associated with such location 110, includes labels, reviews, multimedia content, blogs, or web pages. A label is a point of interest (POI). For example, there is a building name. In addition, multimedia content such as a review of a specific place of a user, a photograph, a music, a moving picture, and the like may be the content 120, and a blog or a web page may be the content 120.

As described above, the location-based content according to the present invention refers to the content in which the location 120 and the content 110 are organically combined.

2 is an overall view of a location-based content providing system according to an embodiment of the present invention connected to a network. Figure 2 shows a client and associated server group connected to provide recommendation and search services for location based content on wired and wireless networks.

2, a location-based content providing system 210 is connected to a user 220 through a network 230. The location-based content providing system 210 includes a recommendation search unit 211, a presentation unit 212, And a service providing unit 213.

The recommendation searching unit 211 filters the location-based content according to the filtering criteria and determines the priority of the filtered location-based content based on the user-oriented evaluation criterion. The filtering criteria may include at least one of a view duration and a view area.

The presentation unit 212 matches the prioritized location-based content with the location on the map.

The service provider 213 converts the location-based content matched with the location on the map according to the environment of the user's terminal.

 The user 220 accesses the network 230 using a terminal capable of wired / wireless connection such as a PC, a mobile terminal (e.g., PDA or cellular phone) or a telematics terminal, ) Based on the location-based content.

3 is a system for providing location-based contents according to an embodiment of the present invention. 3A, the location-based content providing system includes a recommendation searching unit 311, a presentation unit 312, a service providing unit 313, a location-based content server 314, and a map server 315.

The recommendation search unit 311 filters the location-based content according to the filtering criteria and determines the priority of the filtered location-based content based on the user-oriented evaluation criteria. The filtering criteria may include at least one of a view duration and a view area.

The presentation unit 312 matches the prioritized location-based contents with the location on the map.

The service provider 313 converts the location-based content matched with the location on the map according to the environment of the user's terminal.

The location-based content server 314 manages various location-based content DBs. The map server 315 manages the electronic map DB. In addition, the map server 315 may include a GIS engine.

FIG. 3B is a recommendation search unit of a location-based content providing system according to an exemplary embodiment of the present invention. Referring to FIG. 3B, the recommendation search unit 311 includes a filtering unit 3111, a ranking unit 3112, and a data mining unit 3113.

 The filtering unit 3111 filters the location-based content obtained from the location-based content server according to a filtering criterion. More specifically, the filtering unit 3111 filters the location-based content according to a filtering criterion including a topic / time / space / space-time basis. The filtering criteria may include at least one of a view duration and a view area.

The ranking unit 3112 determines a priority for the location-based content filtered based on the user-oriented evaluation criteria. The user-oriented evaluation criterion may include at least one of the number of times of reference by the user, the number of clicks of the user, and the score of the user review.

That is, the ranking unit 3112 determines the priority for the location-based content according to an evaluation criterion such as a reference count, a high click rate, or a high review evaluation.

The data mining unit 3113 performs data mining on the location-based content obtained from the location-based content server. The data mining unit 3113 performs data mining using the location and time information of the location-based content to derive a useful result (e.g., extracting a common portion from the location of the location-based content).

 In the present invention, the recommendation search unit 311 is classified as a server, but may be implemented in a client according to a system implementation method.

3C is a presentation unit of a location-based content providing system according to an embodiment of the present invention. Referring to FIG. 3C, the presentation unit 312 includes a position reference unit 3121, a position inference unit 3122, and a display unit 3123.

The location reference unit 3121 selects a map including locations on the same map from a map server storing one or more map databases. The position reference section 3121 solves the problem of position reference between various map DBs.

The location inferring unit 3122 matches the location on the map of the prioritized one or more location based content with the location on the selected map. More specifically, the location inference unit 3122 can easily convert the position of the location based content to a map (for example, conversion to a TM coordinate system) and inference (for example, And searches for the corresponding location).

The display unit 3123 processes and displays the position-based contents whose priority is determined in a predetermined form on the matched map. The display portion 3123 includes a label portion 3123a and a clustering portion 3123b.

The label portion 3123a processes the location-based contents into a label form on the matched map and displays the processed contents. The label portion 3123a converts the output format of the label in a form that is easy to read.

The clustering unit 3123b processes and displays one or more location-based contents into a cluster form. The clustering unit 3123b clusters the location-based content and displays it as a representative figure or figure.

FIG. 3D is a service provider of a location-based content providing system according to an embodiment of the present invention. Referring to FIG. 3D, the service providing unit 313 includes a user request processing unit 3131, a converting unit 3132, and a user profile unit 3133.

The user request processing unit 3131 requests the search of the location-based content. The user request processing unit 3131 processes the location-based content request of the user by utilizing the functions of the connected servers.

The conversion unit 3132 converts the searched location-based content according to the environment of the user terminal and provides the converted location-based content. The conversion unit 3132 converts (adapts) the content according to different terminal environments for each user.

The user profile unit 3133 provides location-based content that is personalized for each user according to a user-specific profile. The user profile unit 3133 stores and manages user-specific profiles to provide personalized services for each user.

As such, the location-based content providing system according to the present invention can be applied to various fields such as location-based portal service, location-based knowledge information service, location-based community, location based search service, navigation, blog, real estate service and life caching It is available.

4, the location-based content providing system includes a service providing server 410, a map server 430, a location-based content server 430 A Smart Presentation Server 440, and a space-time recommendation / search server 450.

The service provision server 410 includes a user request processor 411, a user profile manager 412, a content adaptation manager 413, and a load manager 414. The user request processor 411 processes the location-based content request of the user by utilizing the functions of the connected servers.

The user profile manager 412 stores and manages user-specific profiles to provide personalized services for each user.

The content adaptation manager 413 converts (adapts) the content according to different terminal environments for each user. The load manager 414 adjusts the load of the server.

The map server 420 includes a GIS engine 421 and a map DB 422. The GIS engine 421 manages the map DB.

The location-based content server 430 includes a content management engine 431 and a content DB 432. The content management engine 431 manages various location-based content DBs.

The smart presentation server 440 includes a location referencing module 441, a location conversion / speculation module 442, a labeling module 443, and a clustering expression module 444.

The Location Referencing module 441 solves the location reference problem between various map DBs. The location conversion / inference module 442 can easily convert (e.g., translate into TM coordinate system) and deduce (e.g., match the text content of the location-based content with the map DB to correspond Location search).

The label display module 443 converts the output format of the label in a form that is easy to read. In addition, the clustering expression module 444 clusters the location-based content and displays it as a representative figure or figure.

In FIG. 4, the functions of the Smart Presentation Server 440 are classified as servers, but they may be implemented in the client according to the implementation of the system.

The space-time recommendation / search server 450 includes a space-time filtering module 451, a space-time ranking module 452, a space-time data mining module 453, and a space-time / moving object management unit 454.

The space-time filtering module 451 filters the location-based contents according to a filtering criterion such as by topic / time / space / space-time.

The time-space ranking module 452 determines priorities for location-based content based on criteria such as number of references / high click-through rate / high review rating.

The spatiotemporal data mining module 453 performs data mining using location and time information of the location-based content to derive useful results (e.g., extracting a common portion at the location of the location-based content).

The space-time / moving object management unit 454 efficiently manages space time information, trajectory information of a moving object, and the like.

FIG. 5 is a display screen in which recommendation is performed by the recommendation search unit according to an embodiment of the present invention.

Existing portal vendors provide services that display popular search keywords in real time. The space-time recommendation according to the present invention can be applied to a location-based content that satisfies conditions given in time and space on a map area (inquiry area) displayed on the current screen for one week (inquiry period) Based content based on time and space.

FIG. 5 shows a region where many location-based contents are registered nationwide in real time. As described above, the user can confirm the area on the map which is recently an issue by using the present invention, or can confirm the famous sightseeing spot or the restaurant on the basis of text or map in real time.

6 is a display screen of a display unit included in a presentation unit according to an embodiment of the present invention. FIG. 6A shows a screen in which labels are displayed on a map in a form that is easy to read when a plurality of location-based contents exist in one point according to an embodiment of the present invention.

6A, a display method for location-based content includes a method of using a list box 610, a combo box 620, and a Next button 630 when a plurality of location-based contents exist at one point .

In the case of location-based content, it is difficult to represent all content contents on the map, so representative keywords or summary information are displayed on the map.

In general, when there are several labels (eg store names, store reviews) at a single point such as a building, it is possible to display only one label or to divide it into several points instead of one point on the map

In the present invention, the area is minimized by using the list box 601, the combo box 602, or the Next button 603 as shown in FIG. In this case, the specific location-based content is linked to each label by URL or the like so that it can be linked to the corresponding content through a click.

6B is a display screen of the label unit included in the display unit according to the embodiment of the present invention. FIG. 6B illustrates the display of labels of two or more location-based content on a map in a readable form when two or more location-based content labels overlap.

Referring to FIG. 6B, when more than one label is overlaid, the display for the location based content of the label portion may change the output location of the label 611 and skip the label 612.

The change of the output position of the label (611) generally changes the output position to the east, west, south, and north to prevent overlapping of the label displayed on the right side of the symbol. The output position change 611 of the label can be changed in various directions (for example, east, west, north) depending on the presence of the surrounding location based content, instead of fixing the position of the label in advance.

The omission of label (612) omits the output of low priority labels. However, the omission of the label (612) outputs the symbol of the omitted label, and when the user later moves the mouse over the symbol or clicks it, the label of the symbol is outputted. The priority may be determined by a content provider or a user or a location-based content providing system according to the present invention.

6C is a display screen of the clustering unit included in the display unit according to an embodiment of the present invention. FIG. 6C illustrates a method of clustering (clustering) proximity-based location-based contents without outputting symbols and labels to all the location-based contents when a large number of location-based contents exist on one screen, Display.

Referring to FIG. 6C, the larger the location-based content in the area, the larger the circle (S621), and the closer the circles in time and space (S622).

In this case, the size of the representative figure or figure is varied in accordance with the criteria such as the number of the position-based contents or the priority including the position. For example, the more location-based content there is, the larger the circle. Also, according to the degree of enlargement of the map, representative figures and pictures are clustered again and displayed as one representative figure.

If the location information of the location-based content is the locus information, it is displayed in a linear form. For example, the greater the number of users, the thicker they are displayed. The thickness of the line is different according to the number of the trajectories or the priority, like the representative figure or the figure.

To view the location-based content belonging to the representative figure or figure, the user can check the list or contents of the detailed location-based content by hovering or clicking on the representative figure or figure.

7 is a method for providing location-based contents according to an embodiment of the present invention. Referring to FIG. 7, the location-based content is filtered according to a filtering criterion and the priority of the filtered location-based content is determined based on the user-oriented evaluation criterion (S701).

In more detail, the location-based content obtained from the location-based content server is filtered according to a filtering criterion. The filtering criterion may include at least one of a query period and a query area.

The priority of the filtered location-based content is determined according to the number of the user's reference and the user-oriented evaluation criterion. The user-oriented evaluation criterion may include at least one of a user click count and a user review evaluation score.

In some cases, data mining is performed on location-based content obtained from the location-based content server.

The one or more location-based contents whose priority has been determined are matched with the positions on the map (S702). More specifically, a map including locations on the same map is selected from a map server storing one or more map databases. Based content to a location on the selected map.

Then, one or more priority-determined location-based contents are processed and displayed in a predetermined form on a matched map. For example, the location-based content can be processed and displayed as a label on a matched map, or one or more location-based content can be processed and displayed in a cluster form.

The location-based content matched with the location on the map is converted according to the environment of the user terminal and is provided (S703). In more detail, a user requesting the search of the location-based content is requested from the recommendation search unit, and the retrieved location-based content is converted according to the environment of the user terminal. In some cases, personalized location-based content is provided for each user according to a user-specific profile.

The present invention can also be embodied as computer-readable codes on a computer-readable recording medium. A computer-readable recording medium includes all kinds of recording apparatuses in which data that can be read by a computer system is stored.

Examples of the computer-readable recording medium include a ROM, a RAM, a CD-ROM, a magnetic tape, a floppy disk, an optical data storage device, and the like, and may be implemented in the form of a carrier wave (for example, transmission via the Internet) . The computer-readable recording medium may also be distributed over a networked computer system so that computer readable code can be stored and executed in a distributed manner.

The present invention has been described with reference to the preferred embodiments. It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

Therefore, the disclosed embodiments should be considered in an illustrative rather than a restrictive sense. The scope of the present invention is defined by the appended claims rather than by the foregoing description, and all differences within the scope of equivalents thereof should be construed as being included in the present invention.

As described above, the location-based content providing system and method according to the present invention have the following effects. Users are not only able to search for personalized, spatially and spatially useful information that is suitable for users among the massive location-based content generated by other users and content providers, but also can be recommended. In addition, the present invention allows a user and a content provider to display vast amount of location-based content on a map in a readable form.

That is, the present invention provides a system and method for providing a location-based content for recommending and searching information useful for users in time and space among a large amount of location-based content, and displaying the information on a map for easy reading.

Claims (13)

A recommendation search unit for filtering the location-based content according to a filtering criterion including at least one of an inquiry period and a query area and determining a priority for the filtered location-based content based on a user-oriented evaluation criterion; And And a presentation unit for matching at least one location-based content having the determined priority to a location on the map. The method according to claim 1, Further comprising a service providing unit for converting the location-based content matched with the location on the map according to an environment of the user terminal. 3. The method of claim 2, A user request processing unit for requesting the recommendation search unit to search for the location-based content; A conversion unit for converting the searched location-based content according to an environment of the user terminal and providing the converted location-based content; And And a user profile unit for providing location-based content personalized for each user according to the user-specific profile. The apparatus of claim 1, A filtering unit for filtering the location-based content obtained from the location-based content server according to the filtering criterion; A ranking determining unit for determining a priority for the filtered location-based content according to a user-oriented evaluation criterion including at least one of a user's reference count, a user click count, and a user review evaluation score; And And a data mining unit for performing data mining on location-based content obtained from the location-based content server. The apparatus of claim 1, wherein the presentation unit comprises: A position reference unit for selecting a map including a position on the same map from a map server storing one or more map databases; A position inference unit for matching a position on the map of the one or more position-based contents having the determined priority with the selected map image; And And a display unit for processing the at least one location-based content having the determined priority in a predetermined form on the matched map and displaying the processed map. The display device according to claim 5, A label unit for processing and displaying the location-based content in a label form on the matched map; And And a clustering unit for processing and displaying the at least one location-based content in a cluster form. A recommendation search step of filtering the location-based content according to a filtering criterion including at least one of an inquiry period and a query area and determining a priority of the filtered location-based content based on the user-oriented evaluation criterion; And And matching the at least one location-based content having the determined priority to a location on the map. 8. The method of claim 7, And providing a location-based content matched with the location on the map according to an environment of the user terminal. 9. The method according to claim 8, A user request processing step of requesting the retrieval of the location-based content; Converting the retrieved location-based contents according to an environment of the user terminal; And And providing user-specific location-based content according to the user-specific profile. 8. The method of claim 7, A filtering step of filtering the location-based content obtained from the location-based content server according to the filtering criterion; A ranking step of determining a priority for the filtered location-based content according to a user-oriented evaluation criterion including at least one of a user's reference count, a user click count, and a user review evaluation score; And And a data mining step of performing data mining on the location-based content. 8. The method of claim 7, A position reference step of selecting a map including a position on the same map from a map server storing one or more map databases; A location inference step of matching a location on the map of the one or more location-based contents with the determined priority to the selected map; And And displaying the at least one location-based content having the determined priority in a predetermined form on the matched map and displaying the processed location-based content. 8. The method of claim 7, A label step of processing and displaying the location-based content in a label form on the matched map; And And clustering the one or more location-based contents in a cluster form. A computer-readable recording medium storing a program for causing a computer to execute the method according to any one of claims 7 to 12.

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