CN105550221A - Information searching method and device - Google Patents
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- CN105550221A CN105550221A CN201510886084.8A CN201510886084A CN105550221A CN 105550221 A CN105550221 A CN 105550221A CN 201510886084 A CN201510886084 A CN 201510886084A CN 105550221 A CN105550221 A CN 105550221A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/90—Details of database functions independent of the retrieved data types
- G06F16/95—Retrieval from the web
- G06F16/953—Querying, e.g. by the use of web search engines
- G06F16/9537—Spatial or temporal dependent retrieval, e.g. spatiotemporal queries
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Abstract
The invention provides an information searching method and device. The information searching method comprises the following steps: receiving a first searching request, wherein the first searching request is used for requesting to query the attribution of a first position point; searching in a pre-established geographic knowledge map according to the first searching request so as to obtain the attribution of the first position point, wherein the geographic knowledge map comprises the attribution relationship among various position points; and outputting the attribution of the first position point. According to the information searching method and device, the attribution information of the position points can be flexibly and correctly provided for the users.
Description
[technical field]
The present invention relates to Internet technical field, particularly relate to a kind of information search method and device.
[background technology]
Point of interest (PointofInterest, POI) be a term in Geographic Information System, make a general reference the geographic object that all can abstractly be point, closely-related geographical entity of more especially living with people, as school, bank, restaurant, refuelling station, hospital, supermarket etc.Point of interest (POI) search refers to according to user's current location, searches distance between current location and is presetting the point of interest searched within distance and returning to the search procedure of user.
In actual applications, user, except obtaining except point of interest, needs the relevant information obtaining point of interest further, the ownership place etc. of such as point of interest sometimes.At present, user is searched for by search engine, such as, input " ownership place of the Forbidden City ", and now search engine meeting decorrelation content sites or answer platform obtain the content relevant with " the Forbidden City " and show user as Search Results.
The method of existing acquisition point of interest relevant information depends on the content that content sites or answer platform provide, and dirigibility is poor, if the related content on content sites or answer platform is wrong or deleted, then possibly cannot provide correct information to user.
[summary of the invention]
Many aspects of the present invention provide a kind of information search method and device, in order to be the information of home location of user-provided location point flexibly, exactly.
An aspect of of the present present invention, provides a kind of information search method, comprising:
Receive the first searching request, described first searching request is used for the ownership place of requesting query primary importance point;
Search in the geographical knowledge collection of illustrative plates set up in advance according to described first searching request, to obtain the ownership place of described primary importance point, described geographical knowledge collection of illustrative plates comprises the attaching relation of each position point;
Export the ownership place of described primary importance point.
Another aspect of the present invention, provides a kind of information retrieval device, comprising:
Receiver module, for receiving the first searching request, described first searching request is used for the ownership place of requesting query primary importance point;
Search module, for searching in the geographical knowledge collection of illustrative plates set up in advance according to described first searching request, to obtain the ownership place of described primary importance point, described geographical knowledge collection of illustrative plates comprises the attaching relation of each position point;
Output module, for exporting the ownership place of described primary importance point.
As shown from the above technical solution, the present invention sets up geographical knowledge collection of illustrative plates in advance for storing the attaching relation of each position point, when needing the ownership place inquiring about primary importance point, can according to corresponding searching request, search in the geographical knowledge collection of illustrative plates set up in advance, to obtain the ownership place of primary importance point, the content that content sites or answer platform provide no longer must be relied on as prior art, no longer be limited to content sites or answer platform, can flexibly, the information of home location of each position point is provided to user accurately, meet the search need of user.
[accompanying drawing explanation]
In order to be illustrated more clearly in the technical scheme in the embodiment of the present invention, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The schematic flow sheet of the information search method that Fig. 1 provides for one embodiment of the invention;
The structural representation of the information retrieval device that Fig. 2 provides for another embodiment of the present invention;
The structural representation of the information retrieval device that Fig. 3 provides for further embodiment of this invention.
[embodiment]
For making the object of the embodiment of the present invention, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
The schematic flow sheet of the information search method that Fig. 1 provides for one embodiment of the invention.As shown in Figure 1, the method comprises:
101, receive the first searching request, the first searching request is used for the ownership place of requesting query primary importance point.
102, search in the geographical knowledge collection of illustrative plates set up in advance according to the first searching request, to obtain the ownership place of primary importance point, geographical knowledge collection of illustrative plates comprises the attaching relation of each position point.
103, the ownership place of primary importance point is exported.
In the present embodiment, for ease of describing and distinguishing, primary importance point is called by needing the location point inquiring about ownership place in searching request.Primary importance point can be optional position point, can be preferably various POI.Illustrate, primary importance point can be certain tourist attractions, certain restaurant, certain market, certain bus stop etc.
When user needs the ownership place understanding primary importance point, the search word of the ownership place being used to indicate inquiry primary importance point can be inputted in the search box that search engine provides, such as " ownership place of the Forbidden City ", " ownership place in Mount Huang " etc., and click search button to send searching request.For ease of distinguishing, the searching request being used for the ownership place searching for primary importance point is here called the first searching request.Information retrieval device obtains the first searching request, and from searching request, extracts the location point needing to inquire about ownership place, i.e. primary importance point.
If processing mode conventionally, information retrieval device, after acquisition primary importance point, can go content sites or answer platform to search for, thus the acquisition content relevant to primary importance point returns to user as Search Results.This mode depends on the related content that content sites or answer platform provide, and dirigibility is poor, and the Search Results returned not necessarily can meet the demand of user.Such as, if about the content of the ownership place of primary importance point is deleted or shielding on content sites, then the Search Results needed for user cannot be exported; Again such as, the user that answer platform is answered a question not necessarily comprehensively understands the ownership place of location point, or because there is the location point of bearing the same name, thus to the information of home location made mistake.
In the present embodiment, information retrieval device no longer depends on content sites or answer platform as prior art, but based on the geographical knowledge collection of illustrative plates set up in advance, the ownership place of primary importance point is obtained from geographical knowledge collection of illustrative plates, solve the dependence to content sites or answer platform when the ownership place of searching position point, thus provide the information about ownership place to user flexibly, accurately.
In the present embodiment, set up geographical knowledge collection of illustrative plates in advance, geographical knowledge collection of illustrative plates mainly comprises the attaching relation of each position point.A kind of method setting up geographical knowledge collection of illustrative plates in advance comprises:
Obtain the ownership place fragment data of each position point; According to the data structure preset, the ownership place fragment data of each position point is spliced and/or filled, to form the ownership place data of each position dot structure; According to the ownership place data of each position dot structure, build geographical knowledge collection of illustrative plates.
A large amount of internet, applications such as current Baidu map, Baidupedia and Baidu's webpage all have accumulated a large amount of location points, the such as information of home location in sight spot, restaurant, station, library, school, market etc., and some satellite information relevant with ownership place, such as area code, postcodes etc.Therefore, these data relating to the ownership place of location point can be obtained from internet, applications such as Baidu's map, Baidupedia and Baidu's webpages, such as can obtain these data relating to the ownership place of location point by the mode such as text mining, named entity recognition, then using the starting material of the obtained data relating to the ownership place of location point as structure geographical knowledge collection of illustrative plates.
Wherein, the data relating to the ownership place of location point got from Baidu's map, Baidupedia and Baidu's webpage etc. are scrappy, section types, such as Baidupedia can obtain city belonging to location point, country, but not directly to the province belonging to out position point, continent, and administrative area granularity of division is also not quite similar.Therefore, the data relating to the ownership place of location point obtained from Baidu's map, Baidupedia and Baidu's webpage etc. are called the ownership place fragment data of location point by the present embodiment.Such as, " the Forbidden City belongs to Beijing " these data only describe the Forbidden City and belong to Beijing, but record the Forbidden City and belong to which district, which area, which country, which continent etc., so belong to ownership place fragment data.
The present embodiment presets the data structure of ownership place data, in order to realize the structuring to the ownership place data of location point.Here the data structure preset needs to re-start division to administrative area type, be divided into: location point, district, city, province, area, country, continent, accordingly, the data structure preset is a kind of data structure managed ownership place data according to location point, district, city, province, area, country, this hierarchical relationship from low to high in continent.Based on this data structure, can the ownership place fragment data of each position point be spliced and/or be filled, to form the ownership place data of each position dot structure.Such as, certain location point only has the province belonging to affiliated city, city, can fill the ownership place fragment data of this location point based on these Given informations, thus to obtain from this location point until the so complete ownership place data in continent, i.e. structurized ownership place data.Again such as, in Baidu's map, obtain the district belonging to certain location point, city, province, from Baidupedia, obtain the area belonging to this location point, country, continent, then two ownership place fragment datas can be stitched together, form complete ownership place data, be i.e. structurized ownership place data.
Optionally, incidence relation or repetition may be there is in the ownership place fragment data of the location point obtained from Baidu's map, Baidupedia and Baidu's webpage etc., therefore before the structurized ownership place data of formation, duplicate removal process can be carried out, to promote processing speed and accuracy to the ownership place fragment data of each position point.
In addition, after the ownership place data obtaining each position dot structure, the ownership place of each position point and location point can be associated with corresponding area code, postcode, latitude and longitude information etc., using the attribute of these data as the ownership place of location point or location point.
After the ownership place data obtaining each position dot structure, can using each ownership place in location point and structurized ownership place data as the node in geographical knowledge collection of illustrative plates, using the belonging relation between node as the limit in geographical knowledge collection of illustrative plates, the information such as latitude and longitude information, area code, mail associated by each position point as the attribute information of node, thus obtains geographical knowledge collection of illustrative plates.
Such as, with the structurized ownership place data instance of the Forbidden City, these structurized ownership place data are: the Forbidden City-Dongcheng District-Beijing-North China-China-Asia, wherein the Forbidden City, Dongcheng District, Beijing, North China, China, Asia all belongs to geographical entity, connected by frontier juncture system between geographical entity, the frontier juncture of the Forbidden City and Dongcheng District is district, the frontier juncture of Dongcheng District and Beijing is city, the frontier juncture of Beijing and North China is area, the frontier juncture of North China and China is country, the frontier juncture in China and Asia is continent, by representing the structurized ownership place data of location point by the relation of node and limit, just construct geographical knowledge collection of illustrative plates.Meanwhile, can using some other information as postcode, area code, latitude and longitude information, type be stored on the node of geographical knowledge collection of illustrative plates as the attribute information of node.
Wherein, the node in geographical knowledge collection of illustrative plates represents the geographical entity of location point or location point ownership, and the limit in geographical knowledge collection of illustrative plates represents the attaching relation between two nodes.
Based on above-mentioned, information retrieval device, according to the first searching request, is searched in the geographical knowledge collection of illustrative plates set up in advance, specifically comprises with the ownership place obtaining primary importance point:
Search in geographical knowledge collection of illustrative plates according to the first searching request, to determine the start node representing primary importance point;
Upwards recall along start node, to obtain with the node path of the not initial end points of start node;
Obtain geographical entity that other node on this node path except start node the represents ownership place as primary importance point.
Further, based on geographical knowledge collection of illustrative plates, user can also inquire about satellite information corresponding to primary importance point, and the satellite information that primary importance point is corresponding can be the attribute information of the ownership place of primary importance point or primary importance point, such as, can be specifically area code, postcode, latitude and longitude information etc.Concrete, information retrieval device upwards can also be recalled from along node path, successively the attribute information of each node on query node path, until obtain satellite information corresponding to primary importance point.Concrete, if latitude and longitude information is satellite information, then information retrieval device can inquire about the attribute information of the node representing primary importance point, therefrom obtains the latitude and longitude information of primary importance point.If area code is satellite information, if then primary importance point is smaller POI, as the Forbidden City, there is no area code, then by the above-mentioned node path of backtracking, find the area code to Yingcheng City, as the Forbidden City-Dongcheng District-Beijing, Beijing without area code, then is traced back in Dongcheng District, there is area code in Beijing, so just have found the area code that POI (as the Forbidden City) is corresponding.
Further, as above-mentioned, geographical knowledge collection of illustrative plates also comprises: the latitude and longitude information of each position point.Latitude and longitude information is stored on the node of the geographical entity representing relevant position point or location point ownership as the attribute information for location point.
Based on above-mentioned, the location point in specified scope can also be searched for by geographical knowledge collection of illustrative plates.Concrete, when user wishes the second place point of the specified type of searching in primary importance point specified scope, can in the search box that search engine provides inputted search word, and click search button and send searching request, searching request is here the second searching request.Information retrieval device receives the second searching request, and the second searching request is for asking the second place point searching for specified type in primary importance point specified scope; According to the second searching request, search in geographical knowledge collection of illustrative plates, to obtain the latitude and longitude information of primary importance point; According to latitude and longitude information and the specified scope of primary importance point, determine the location point alternatively location point being positioned at primary importance point specified scope; Obtain type in position candidate point and belong to the location point of specified type as second place point.
Further, after determining second place point, from geographical knowledge collection of illustrative plates, the latitude and longitude information of second place point can also be obtained.Then according to following formula, the actual range between primary importance point and second place point is calculated.
In above-mentioned formula, a=Lat1-Lat2, represents the difference of the latitude of primary importance point and second place point; B=Lng1-Lng2, represents the difference of the longitude of primary importance point and second place point; Lat1 represents the longitude of primary importance point, and Lng1 represents the dimension of second place point; Lat2 represents the longitude of second place point; Lng2 represents the dimension of second place point; R represents earth radius.
From above-mentioned, the present embodiment obtains the ownership place fragment data of each position point by text mining, named entity recognition, by carrying out splicing and/or fill to form structurized ownership place data, and then builds geographical knowledge collection of illustrative plates; Afterwards, other location point of the ownership place of location point, satellite information and the specified type in primary importance point specified scope is obtained based on geographical knowledge collection of illustrative plates, be conducive to meeting the relevant search need of the multiple geography of user, solve the dependence to content sites or answer platform, and be conducive to the cost reducing user's obtaining information.
It should be noted that, for aforesaid each embodiment of the method, in order to simple description, therefore it is all expressed as a series of combination of actions, but those skilled in the art should know, the present invention is not by the restriction of described sequence of movement, because according to the present invention, some step can adopt other orders or carry out simultaneously.Secondly, those skilled in the art also should know, the embodiment described in instructions all belongs to preferred embodiment, and involved action and module might not be that the present invention is necessary.
In the above-described embodiments, the description of each embodiment is all emphasized particularly on different fields, in certain embodiment, there is no the part described in detail, can see the associated description of other embodiments.
The structural representation of the information retrieval device that Fig. 2 provides for another embodiment of the present invention.As shown in Figure 2, this device comprises: receiver module 21, search module 22 and output module 23.
Receiver module 21, for receiving the first searching request, the first searching request is used for the ownership place of requesting query primary importance point.
Search module 22, search in the geographical knowledge collection of illustrative plates set up in advance for the first searching request received according to receiver module 21, to obtain the ownership place of primary importance point, geographical knowledge collection of illustrative plates comprises the attaching relation of each position point.
Output module 23, for exporting the ownership place of the primary importance point that search module 22 obtains.
In an Alternate embodiments, the node in above-mentioned geographical knowledge collection of illustrative plates represents the geographical entity of location point or location point ownership, while represent the attaching relation between two nodes.
Based on above-mentioned, search module 22 specifically can be used for:
Search in geographical knowledge collection of illustrative plates according to the first searching request, to determine the start node representing primary importance point;
Upwards recalling along start node, is the node path of initial end points to obtain with start node;
The geographical entity that other node on acquisition node path except start node represents is as the ownership place of primary importance point.
In an Alternate embodiments, search module 22 also for:
Upwards recall along node path, successively the attribute information of each node on query node path, until obtain satellite information corresponding to primary importance point.The satellite information that primary importance point is corresponding can be the attribute information of the ownership place of primary importance point or primary importance point, such as, can be specifically area code, postcode, latitude and longitude information etc.
Further, above-mentioned geographical knowledge collection of illustrative plates also comprises: the latitude and longitude information of each position point.
Based on above-mentioned, search module 22 also for:
Receive the second searching request, the second searching request is for asking the second place point searching for specified type in primary importance point specified scope;
Search in geographical knowledge collection of illustrative plates according to the second searching request, to obtain the latitude and longitude information of primary importance point;
According to latitude and longitude information and the specified scope of primary importance point, determine the location point alternatively location point being positioned at primary importance point specified scope;
Obtain location point that type in position candidate point belongs to specified type using as second place point.
In an Alternate embodiments, as shown in Figure 3, this device also comprises: build module 24, for setting up geographical knowledge collection of illustrative plates in advance.
Concrete, build module 24 for:
Obtain the ownership place fragment data of each position point;
According to the data structure preset, the ownership place fragment data of each position point is spliced and/or filled, to form the ownership place data of each position dot structure;
According to the ownership place data of each position dot structure, build geographical knowledge collection of illustrative plates.
The information retrieval device that the present embodiment provides, set up geographical knowledge collection of illustrative plates in advance for storing the attaching relation of each position point, when needing the ownership place inquiring about primary importance point, can according to corresponding searching request, search in the geographical knowledge collection of illustrative plates set up in advance, to obtain the ownership place of primary importance point, the content that content sites or answer platform provide no longer must be relied on as prior art, no longer be limited to content sites or answer platform, can flexibly, the information of home location of each position point is provided to user accurately, meet the search need of user.
Those skilled in the art can be well understood to, and for convenience and simplicity of description, the system of foregoing description, the specific works process of device and unit, with reference to the corresponding process in preceding method embodiment, can not repeat them here.
In several embodiment provided by the present invention, should be understood that, disclosed system, apparatus and method, can realize by another way.Such as, device embodiment described above is only schematic, such as, the division of described unit, be only a kind of logic function to divide, actual can have other dividing mode when realizing, such as multiple unit or assembly can in conjunction with or another system can be integrated into, or some features can be ignored, or do not perform.Another point, shown or discussed coupling each other or direct-coupling or communication connection can be by some interfaces, and the indirect coupling of device or unit or communication connection can be electrical, machinery or other form.
The described unit illustrated as separating component or can may not be and physically separates, and the parts as unit display can be or may not be physical location, namely can be positioned at a place, or also can be distributed in multiple network element.Some or all of unit wherein can be selected according to the actual needs to realize the object of the present embodiment scheme.
In addition, each functional unit in each embodiment of the present invention can be integrated in a processing unit, also can be that the independent physics of unit exists, also can two or more unit in a unit integrated.Above-mentioned integrated unit both can adopt the form of hardware to realize, and the form that hardware also can be adopted to add SFU software functional unit realizes.
The above-mentioned integrated unit realized with the form of SFU software functional unit, can be stored in a computer read/write memory medium.Above-mentioned SFU software functional unit is stored in a storage medium, comprising some instructions in order to make a computer equipment (can be personal computer, server, or the network equipment etc.) or processor (processor) perform the part steps of method described in each embodiment of the present invention.And aforesaid storage medium comprises: USB flash disk, portable hard drive, ROM (read-only memory) (Read-OnlyMemory, ROM), random access memory (RandomAccessMemory, RAM), magnetic disc or CD etc. various can be program code stored medium.
Last it is noted that above embodiment is only in order to illustrate technical scheme of the present invention, be not intended to limit; Although with reference to previous embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (10)
1. an information search method, is characterized in that, comprising:
Receive the first searching request, described first searching request is used for the ownership place of requesting query primary importance point;
Search in the geographical knowledge collection of illustrative plates set up in advance according to described first searching request, to obtain the ownership place of described primary importance point, described geographical knowledge collection of illustrative plates comprises the attaching relation of each position point;
Export the ownership place of described primary importance point.
2. method according to claim 1, is characterized in that, the node in described geographical knowledge collection of illustrative plates represents the geographical entity of location point or location point ownership, while represent the attaching relation between two nodes;
Describedly to search in the geographical knowledge collection of illustrative plates set up in advance according to described first searching request, to obtain the ownership place of described primary importance point, comprising:
Search in described geographical knowledge collection of illustrative plates according to described first searching request, to determine the start node representing described primary importance point;
Upwards recalling along described start node, is the node path of initial end points to obtain with described start node;
Obtain geographical entity that other node on described node path except described start node the represents ownership place as described primary importance point.
3. method according to claim 2, is characterized in that, also comprises:
Upwards recall along described node path, inquire about the attribute information of each node on described node path successively, until obtain satellite information corresponding to described primary importance point.
4. method according to claim 1, is characterized in that, described geographical knowledge collection of illustrative plates also comprises: the latitude and longitude information of each position point;
Described method also comprises:
Receive the second searching request, described second searching request is for asking the second place point searching for specified type in described primary importance point specified scope;
Search in described geographical knowledge collection of illustrative plates according to described second searching request, to obtain the latitude and longitude information of described primary importance point;
According to latitude and longitude information and the described specified scope of described primary importance point, determine the location point alternatively location point being positioned at described primary importance point specified scope;
Obtain location point that type in described position candidate point belongs to described specified type using as described second place point.
5. the method according to any one of claim 1-4, is characterized in that, the described step setting up geographical knowledge collection of illustrative plates in advance comprises:
Obtain the ownership place fragment data of each position point;
According to the data structure preset, the ownership place fragment data of described each position point is spliced and/or filled, to form the ownership place data of described each position dot structure;
According to the ownership place data of described each position dot structure, build described geographical knowledge collection of illustrative plates.
6. an information retrieval device, is characterized in that, comprising:
Receiver module, for receiving the first searching request, described first searching request is used for the ownership place of requesting query primary importance point;
Search module, for searching in the geographical knowledge collection of illustrative plates set up in advance according to described first searching request, to obtain the ownership place of described primary importance point, described geographical knowledge collection of illustrative plates comprises the attaching relation of each position point;
Output module, for exporting the ownership place of described primary importance point.
7. device according to claim 6, is characterized in that, the node in described geographical knowledge collection of illustrative plates represents the geographical entity of location point or location point ownership, while represent the attaching relation between two nodes;
Described search module specifically for:
Search in described geographical knowledge collection of illustrative plates according to described first searching request, to determine the start node representing described primary importance point;
Upwards recalling along described start node, is the node path of initial end points to obtain with described start node;
Obtain geographical entity that other node on described node path except described start node the represents ownership place as described primary importance point.
8. device according to claim 7, is characterized in that, described search module also for:
Upwards recall along described node path, inquire about the attribute information of each node on described node path successively, until obtain satellite information corresponding to described primary importance point.
9. device according to claim 6, is characterized in that, described geographical knowledge collection of illustrative plates also comprises: the latitude and longitude information of each position point;
Described search module also for:
Receive the second searching request, described second searching request is for asking the second place point searching for specified type in described primary importance point specified scope;
Search in described geographical knowledge collection of illustrative plates according to described second searching request, to obtain the latitude and longitude information of described primary importance point;
According to latitude and longitude information and the described specified scope of described primary importance point, determine the location point alternatively location point being positioned at described primary importance point specified scope;
Obtain location point that type in described position candidate point belongs to described specified type using as described second place point.
10. the device according to any one of claim 6-9, is characterized in that, also comprises:
Build module, for:
Obtain the ownership place fragment data of each position point;
According to the data structure preset, the ownership place fragment data of described each position point is spliced and/or filled, to form the ownership place data of described each position dot structure;
According to the ownership place data of described each position dot structure, build described geographical knowledge collection of illustrative plates.
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