CN103884345A - Interest point information collecting method, interest point information displaying method, interest point information collecting device, interest point information displaying device, and interest point retrieval system - Google Patents
Interest point information collecting method, interest point information displaying method, interest point information collecting device, interest point information displaying device, and interest point retrieval system Download PDFInfo
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C21/00—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00
- G01C21/26—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 specially adapted for navigation in a road network
- G01C21/34—Route searching; Route guidance
- G01C21/36—Input/output arrangements for on-board computers
- G01C21/3679—Retrieval, searching and output of POI information, e.g. hotels, restaurants, shops, filling stations, parking facilities
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C21/00—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00
- G01C21/26—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 specially adapted for navigation in a road network
- G01C21/34—Route searching; Route guidance
- G01C21/36—Input/output arrangements for on-board computers
- G01C21/3679—Retrieval, searching and output of POI information, e.g. hotels, restaurants, shops, filling stations, parking facilities
- G01C21/3682—Retrieval, searching and output of POI information, e.g. hotels, restaurants, shops, filling stations, parking facilities output of POI information on a road map
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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
- G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
- G06F16/29—Geographical information databases
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Abstract
The invention discloses an interest point information collecting method, an interest point information displaying method, an interest point information collecting device, an interest point information displaying device, and a interest point retrieval system. The interest point information collecting method comprises the following steps: obtaining the position information of an interest point in a latitude and longitude coordinate system; establishing a linear coordinate system according to the road that the interest point belongs to; obtaining the position information of the interest point relative to the road that the interest point belongs to; and finally establishing a correlation relationship between the interest point and a preset road. Through the method mentioned above, a correlation relationship between an interest point and a road that the interest point is belonged to is established; when the interest point is displayed, all the information points in the road are all displayed, and the road is taken as the coordinate system, so the method is visual and clear, and the user experience is improved.
Description
Technical field
The present invention relates to wireless data and location-based service technical field, relate in particular to a kind of interest point information acquisition method, display packing, Apparatus and system.
Background technology
People are in the time using Mobile Telephone Gps at present, and primary demand is to look for destination, searches for a certain point of interest, asks afterwards one from current location to the path between the point of interest searching again, and by this path navigation.When searching for point of interest, mainly contain two class demands: the one, the specified place that clearly will search for, as go to general headquarters of building in Beijing Financial Street China Construction Bank to call on a customer, search " general headquarters of China Construction Bank ", this is to search for by title, also can pass through address searching, also can, by browsing map, check whether there is the place that will go; The 2nd, the indefinite specified place that will search for, as the Shanghai of going on business to, to near People's Square, look for a hotel to stay, can centered by People's Square, search classifiably or search for generally by periphery, from Search Results, filter out the place that finally will go or look into and see if there is hotel by browsing map.
Above two kinds of user's requests are very general in Mobile Telephone Gps or map class software, also very universal on technology realizes.Main technical schemes comprises: map outdoor workers gathers the actual position of real world point of interest on the spot, and record; Set up interest point data base, comprise the serial attribute fields such as the title, address, longitude and latitude, classification, telephone number, brief introduction of point of interest.Map surveyor is put the Information Monitoring of map outdoor workers in storage; Interest point data processing is processed, determined the information such as its affiliated administrative region, search key, formation can be for user's data requirement.
But except above-mentioned two class user's requests, also has a class demand: in the time that user wants to focus on Mou Tiaojie road and browses point of interest, such as plan to look for a restaurant " Middle St " (being one commercial street, Shenyang).The technical scheme of existing search cannot be supported, while searching, owing to cannot all showing point of interest on map, also cannot meet this class demand by browsing map.Existing point of interest is true geographical station acquisition based on real world, and latitude and longitude coordinates is determinant attribute, also has other secondary attributes such as title, address, phone simultaneously.Other geographic elements such as point of interest and road, greenery patches, water system are all associated in two-dimentional earth coordinates by latitude and longitude coordinates, and this relevance is embodied in the map that user uses.But, the shortcoming of prior art have following some:
One, because map scale is limit, and some street road point of interest quantity is numerous, and each interval is very near, therefore on map, cannot all show, user cannot check all points of interest by browse Mou Tiao street on map.
Even if two, the point of interest on Mou Tiaojie road is all stored in database, but point of interest Yu Jie road cannot be associated.The Query Result that user obtains by the inquiry mode such as key word, classification cannot be according to space and geographical order sequence, can only be according to phonetic, apart from the distance-taxis of central point, and directly perceived and eye-catching not.
Summary of the invention
In order to solve the technical matters existing in above-mentioned prior art, the present invention proposes a kind of interest point information acquisition method, display packing, Apparatus and system, can set up the incidence relation between point of interest and ownership road, and showing all information points take road as complete this road of demonstration of coordinate system when point of interest, very directly perceived and eye-catching, improve user's experience.
One aspect of the present invention, provides a kind of interest point information acquisition method, comprising: obtain the positional information of point of interest based on latitude and longitude coordinates system; Set up rectilinear coordinates system according to the road of point of interest ownership; Obtain the positional information of point of interest with respect to ownership road; Set up the incidence relation between described point of interest and default road.By adopting the method, can be on the basis of original point of interest latitude and longitude information, set up the incidence relation between point of interest and its ownership road, interest point information is expanded, be user-friendly to.
The present invention also provides a kind of interest point information harvester, comprise that primary importance acquisition of information module, establishment of coordinate system module, second place acquisition of information module and incidence relation set up module, wherein, described primary importance acquisition of information module, for obtaining the positional information of point of interest based on latitude and longitude coordinates system; Described establishment of coordinate system module, for setting up rectilinear coordinates system according to the road of point of interest ownership; Described second place acquisition of information module, for obtaining the positional information of point of interest with respect to ownership road; Described incidence relation is set up module, for setting up the incidence relation between described point of interest and default road.
Another aspect of the present invention, provides a kind of interest point indication method, comprising: receive points of interest attribute information; Determine ownership road according to described points of interest attribute information; Obtain and the interest point information that belongs to road and be associated according to described ownership road; Be that form shows described interest point information according to described ownership road with rectilinear coordinates.The method can be searched interest point information according to the query statement of user's input, and is presented in terminal with the form of path coordinate system, gives user eye-catching experience effect directly perceived.
The present invention also provides a kind of point of interest display device, comprises receiver module, retrieval module, acquisition module and display module, and wherein, described receiver module, for receiving points of interest attribute information; Described retrieval module, for determining ownership road according to described points of interest attribute information; Described acquisition module, for obtaining according to described ownership road and the interest point information that belongs to road and be associated; Described display module, for being that form shows described interest point information according to described ownership road with rectilinear coordinates.
The present invention also provides a kind of terminal, comprises as the device as described in arbitrary in above-mentioned device technique scheme.
The present invention also provides a kind of interest point search system, comprises terminal, operation system, increment POI platform and interest point data base, and wherein, described terminal, for showing interest point information according to points of interest attribute information retrieval and according to rectilinear coordinates system; Described business platform, the service request sending for receiving terminal, and described request is sent to described increment POI platform; Described increment POI platform, for passing through described interest point data base searching interest dot information according to terminal traffic request;
Interest point acquisition method of the present invention, display packing, Apparatus and system, by setting up the incidence relation between point of interest and its ownership road, can solve user Yi Moutiao street when searching or browse object, in terminal take road as the whole interest point informations of the complete demonstration of coordinate system, give user eye-catching experience directly perceived, be user-friendly to.
Accompanying drawing explanation
Fig. 1 is the process flow diagram of interest point information acquisition method embodiment of the present invention;
Fig. 2 is that in the embodiment of the present invention, point of interest arrives affiliated section bee-line mapping relations schematic diagram;
Fig. 3 is the structural representation of interest point information harvester embodiment of the present invention;
Fig. 4 is the process flow diagram of interest point indication method embodiment of the present invention;
Fig. 5 is the structural representation of point of interest display device embodiment of the present invention;
Fig. 6 is the structural representation of interest point search system embodiment of the present invention.
Embodiment
As shown in Figure 1, be the embodiment of interest point information acquisition method, comprise the following steps:
Existing path coordinate system is the two-dimensional structure take the longitude and latitude of real world as benchmark, be latitude and longitude coordinates system, can intuitively react real world, give user's sensation on the spot in person, but due to the restriction of map scale, on map, cannot all show the point of interest of real world.For all points of interest on the road of detailed displaying street, make up the defect of geographic coordinate system, the present embodiment is by increasing path coordinate system, set up the interest point information acquisition method take road as index dimension, this transfer process has been set up the attaching relation of point of interest and road, and belongs to the relative position relation between each point of interest on same road.
In step 101, the positional information of point of interest based on latitude and longitude coordinates system mainly comprises: title, address, classification, longitude, latitude, path search index, telephone number, administrative division code, postcode, area code, region ownership etc.The not relativeness between road and point of interest.
In step 102, set up rectilinear coordinates system according to the road of point of interest ownership and comprise: the positive dirction that stipulates described ownership road; Determine left side and the right side of described ownership road according to the positive dirction of described ownership road.Every road has respectively two index, the both sides that occupy respectively road, and due to the relativeness of only having shown between point of interest, each side on old course road all has a set of corresponding relation.
In step 103, the positional information according to point of interest based on latitude and longitude coordinates system determines that described point of interest is positioned at left side or the right side of described ownership road; Described point of interest is with respect to the latitude and longitude coordinates of near-end and the far-end of described ownership road.If point of interest area is larger, belong to different sections simultaneously, need so to obtain respectively the positional information of this point of interest with respect to each ownership road.
A kind of method for building up of preferred interest point data field is as shown in following table, and form one is the interest point data field information based on latitude and longitude coordinates system, and form two is the data field information that this point of interest newly increases based on ownership road.
Form one
Form two
Above-mentioned field information is a kind of implementation of the present embodiment, not as limitation of the present invention.
In step 104, collect after above-mentioned field information, need to set up the incidence relation between these information and ownership road.By the data-switching instrument of robotization, raw data is changed into the application data form of ShapeFile (map background data and road data form) and CSV (interest point data form) form.In this model, most important two work of data-switching instrument have been points of interest to the mating of the vertical projection in section and point of interest and target section, and calculate the distance of point of interest near-end/far-end apart from ownership section starting point.
The step of setting up the incidence relation between described point of interest and default road comprises:
Obtain the near-end of described point of interest and the distance of far-end and ownership road starting point according to described point of interest with respect to the positional information calculation of ownership road;
Calculate the mapping point of described point of interest in the bee-line of described ownership road according to the distance of the near-end of described point of interest and far-end and ownership road starting point;
Described point of interest location information and incidence relation information are converted into map background data, road data form and interest point data form.
Field information after conversion is as shown in form three.
Form three
Point of interest is in order to set up point of interest and the mapping relations between its nearest point of distance on road near the vertical projection in section, this kind of relation is called the bee-line mapping of point of interest to road, and on road, the nearest point of distance point of interest is called the bee-line mapping point of point of interest.
Article one, road is made up of a series of sections (follow-up with Link identify), should first determine the bee-line mapping point of point of interest on every the Link that forms road, again from these a series of mapping points, the mapping point that selected distance point of interest is the shortest, the bee-line mapping point as point of interest to entire road.Being to discuss as example take the central point of point of interest below, in actual instrument uses, is that near-end and the far-end with point of interest shines upon respectively.
While setting up POI (being point of interest) to the bee-line mapping relations of certain Link (being designated as Li), make vertical line from certain POI point (being designated as A point) to Li, Li starting point is designated as si to the distance of intersection point, Li terminal is designated as ei to the distance of intersection point, the length of Li is designated as li, intersection point is the bee-line mapping point of A to Li, is designated as Ai, as shown in Figure 2.
A is designated as to (x in the projection coordinate of plane, y), the coordinate that is mapped to the bee-line mapping point Ai of Link Li be designated as (xi ', yi '), Li starting point coordinate is designated as (xi-1, yi-1), terminal point coordinate is designated as (xi, yi), there is the computing formula of following bee-line mapping point Ai coordinate (xi ', yi '):
Wherein k is the slope of Li place straight line.
According to the coordinate (x, y) of A, and the coordinate (xi ', yi ') that above-mentioned formula calculates Ai can calculate the vertical range di between these 2.Because a point of interest can be with around many roads be adjacent, the link by the distance between traversal and A in 50 meters, chooses the link of minimum distance with it, and its ID is designated as the SECTION_ID1 in table three.If A point, in crossroad, belongs to two sections, in like manner, can obtain SECTION_ID2.
According to the computing formula of distance between two points, the starting point (coordinate for (xi-1, yi-1)) that calculates Li is to the distance li between Ai point (coordinate (xi ', yi ')), as follows:
Calculate the distance of section starting point from the near-end of POI, be designated as the PLENGTH field in form three; Calculate the distance of section starting point from the far-end of POI, be designated as the DLENGTH field in form three.
Through after the conversion of step 104, just set up the incidence relation between point of interest location information and ownership road.Newly-built path coordinate system, is effectively supplementing of being to original latitude and longitude coordinates, rather than replaces completely.Path coordinate system to show on the road of street whole points of interest in order realizing, to meet user's needs that point of interest is browsed on road along the street and set up, do not conflict with existing map, point of interest technology, but in interest point data, expand attribute, met the displaying requirement of path coordinate system.These information are stored in database in order to routine call.
As shown in Figure 3, for realizing the device embodiment of said method.A kind of interest point information harvester, comprise that primary importance acquisition of information module 301, establishment of coordinate system module 302, second place acquisition of information module 303 and incidence relation set up module 304, wherein, described primary importance acquisition of information module, for obtaining the positional information of point of interest based on latitude and longitude coordinates system; Described establishment of coordinate system module, for setting up rectilinear coordinates system according to the road of point of interest ownership; Described second place acquisition of information module, for obtaining the positional information of point of interest with respect to ownership road; Described incidence relation is set up module, for setting up the incidence relation between described point of interest and default road.
Preferably, described establishment of coordinate system module is used for, and stipulates the positive dirction of described ownership road; Determine left side and the right side of described ownership road according to the positive dirction of described ownership road.Described second place acquisition of information module is used for, and the positional information according to point of interest based on latitude and longitude coordinates system determines that described point of interest is positioned at left side or the right side of described ownership road; Described point of interest is with respect to the latitude and longitude coordinates of near-end and the far-end of described ownership road.
If described point of interest belongs to the road of one or more, described second place information module obtains respectively the positional information of described point of interest with respect to each ownership road.
Described incidence relation set up module for, according to described point of interest with respect to ownership road positional information calculation obtain the near-end of described point of interest and the distance of far-end and ownership road starting point; Calculate the mapping point of described point of interest in the bee-line of described ownership road according to the distance of the near-end of described point of interest and far-end and ownership road starting point; Described point of interest location information and incidence relation information are converted into map background data, road data form and interest point data form.
As shown in Figure 4, be the embodiment of a kind of interest point indication method of the present invention, comprising:
The point of interest inquiry request or the road inquiry request that receive according to terminal, determine ownership road ID; In database, obtain interest point information corresponding to this ownership road ID, on terminal interface, show interest point information with the form of path coordinate system.
If described point of interest belongs to the road of one or more simultaneously, determine ownership road according to user's selection.
Preferably, show the interest point information of described ownership road both sides by preset ratio according to the rectilinear coordinates system setting up.
As shown in Figure 5, for realizing the device embodiment of said method.A kind of point of interest display device, comprises receiver module 501, retrieval module 502, acquisition module 503 and display module 504, and wherein, described receiver module, for receiving points of interest attribute information; Described retrieval module, for determining ownership road according to described points of interest attribute information; Described acquisition module, for obtaining according to described ownership road and the interest point information that belongs to road and be associated; Described display module, for being that form shows described interest point information according to described ownership road with rectilinear coordinates.
Preferably, also comprise selection module, if described point of interest belongs to the road of one or more simultaneously, described selection module is for determining ownership road according to user's selection.Described display module is used for, and shows the interest point information of described ownership road both sides according to the rectilinear coordinates system setting up by preset ratio.
The embodiment of the present invention also provides a kind of terminal, comprises arbitrary described device in said apparatus technical scheme.
As shown in Figure 6, for the embodiment of a kind of interest point search system of the present invention, comprise terminal 601, operation system 602, increment POI platform 603 and interest point data base 604, wherein, described terminal, for showing interest point information according to points of interest attribute information retrieval and according to rectilinear coordinates system; Described business platform, the service request sending for receiving terminal, and described request is sent to described increment POI platform; Described increment POI platform, for passing through described interest point data base searching interest dot information according to terminal traffic request; Described interest point data base, for storing interest point information.Interest point information comprises the information of the point of interest obtaining in embodiment mono-based on latitude and longitude coordinates system, also comprises the positional information of the rectilinear coordinates system setting up according to point of interest ownership road.
Terminal is man-machine interface, is responsible for from backstage reading out data, carries out business and represents, and mainly comprises that UI draws, displaying and the large module of data communication mutual two, and its function is identical with the device embodiment in embodiment bis-; Operation system is responsible for accepting the service request of client, and the request that the request of HTTP form transfers XML form to is sent to increment POI platform, after being replied, replys and explains and give client and reply; Increment POI platform is by road inquiry module, section enquiry module, by section inquiry POI module, form by longitude and latitude inquiry POI module, inquiry POI details 5 large modules, this 5 large module difference correspondence the request of client 5 large business scenarios.
The above embodiment of the present invention, gather based on interest point data the data field that stylish energization enough reflects real world, by data machining tool, data processing, new added road coordinate system application model, can press road in client and show in detail whole points of interest to user, meet user and browse all points of interest on Gai Tiaojie road, search the demand that meets the point of interest of specified conditions on Gai Tiaojie road; Actual distance that can also objective demonstration point of interest, shows truer; Also have surfing concurrently fast, the advantage that user experiences simultaneously.
It should be noted that: above embodiment is only unrestricted in order to the present invention to be described, the present invention is also not limited in above-mentioned giving an example, and all do not depart from technical scheme and the improvement thereof of the spirit and scope of the present invention, and it all should be encompassed in claim scope of the present invention.
Claims (18)
1. an interest point information acquisition method, comprising:
Obtain the positional information of point of interest based on latitude and longitude coordinates system;
Set up rectilinear coordinates system according to the road of point of interest ownership;
Obtain the positional information of point of interest with respect to ownership road;
Set up the incidence relation between described point of interest and default road.
2. method according to claim 1, is characterized in that, sets up rectilinear coordinates system comprise according to the road of point of interest ownership:
Stipulate the positive dirction of described ownership road;
Determine left side and the right side of described ownership road according to the positive dirction of described ownership road.
3. method according to claim 1, is characterized in that, obtains point of interest and comprises with respect to the positional information of ownership road:
Positional information according to point of interest based on latitude and longitude coordinates system determines that described point of interest is positioned at left side or the right side of described ownership road;
Described point of interest is with respect to the latitude and longitude coordinates of near-end and the far-end of described ownership road.
4. method according to claim 3, is characterized in that, described method also comprises step:
If described point of interest belongs to the road of one or more, obtain respectively the positional information of described point of interest with respect to each ownership road.
5. method according to claim 1, is characterized in that, the step of setting up the incidence relation between described point of interest and default road comprises:
Obtain the near-end of described point of interest and the distance of far-end and ownership road starting point according to described point of interest with respect to the positional information calculation of ownership road;
Calculate the mapping point of described point of interest in the bee-line of described ownership road according to the distance of the near-end of described point of interest and far-end and ownership road starting point;
Described point of interest location information and incidence relation information are converted into map background data, road data form and interest point data form.
6. an interest point information harvester, comprises that primary importance acquisition of information module, establishment of coordinate system module, second place acquisition of information module and incidence relation set up module, wherein,
Described primary importance acquisition of information module, for obtaining the positional information of point of interest based on latitude and longitude coordinates system;
Described establishment of coordinate system module, for setting up rectilinear coordinates system according to the road of point of interest ownership;
Described second place acquisition of information module, for obtaining the positional information of point of interest with respect to ownership road;
Described incidence relation is set up module, for setting up the incidence relation between described point of interest and default road.
7. device according to claim 6, is characterized in that, be used for according to establishment of coordinate system module,
Stipulate the positive dirction of described ownership road;
Determine left side and the right side of described ownership road according to the positive dirction of described ownership road.
8. device according to claim 6, is characterized in that, described second place acquisition of information module comprises,
Positional information according to point of interest based on latitude and longitude coordinates system determines that described point of interest is positioned at left side or the right side of described ownership road;
Described point of interest is with respect to the latitude and longitude coordinates of near-end and the far-end of described ownership road.
9. device according to claim 8, is characterized in that,
If described point of interest belongs to the road of one or more, described second place information module obtains respectively the positional information of described point of interest with respect to each ownership road.
10. device according to claim 6, is characterized in that, described incidence relation set up module for,
Obtain the near-end of described point of interest and the distance of far-end and ownership road starting point according to described point of interest with respect to the positional information calculation of ownership road;
Calculate the mapping point of described point of interest in the bee-line of described ownership road according to the distance of the near-end of described point of interest and far-end and ownership road starting point;
Described point of interest location information and incidence relation information are converted into map background data, road data form and interest point data form.
11. 1 kinds of interest point indication methods, comprising:
Receive points of interest attribute information;
Determine ownership road according to described points of interest attribute information;
Obtain and the interest point information that belongs to road and be associated according to described ownership road;
Be that form shows described interest point information according to described ownership road with rectilinear coordinates.
12. methods according to claim 11, is characterized in that, according to also comprising after the step of the definite ownership of described points of interest attribute information road:
If described point of interest belongs to the road of one or more simultaneously, determine ownership road according to user's selection.
13. methods according to claim 11, is characterized in that, are that form shows that described interest point information comprises according to described ownership road with rectilinear coordinates:
Show the interest point information of described ownership road both sides by preset ratio according to the rectilinear coordinates system setting up.
14. 1 kinds of point of interest display device, comprise receiver module, retrieval module, acquisition module and display module, wherein,
Described receiver module, for receiving points of interest attribute information;
Described retrieval module, for determining ownership road according to described points of interest attribute information;
Described acquisition module, for obtaining according to described ownership road and the interest point information that belongs to road and be associated;
Described display module, for being that form shows described interest point information according to described ownership road with rectilinear coordinates.
15. devices according to claim 14, is characterized in that, also comprise selection module, if described point of interest belongs to the road of one or more simultaneously, described selection module is for determining ownership road according to user's selection.
16. devices according to claim 14, is characterized in that, described display module is used for,
Show the interest point information of described ownership road both sides by preset ratio according to the rectilinear coordinates system setting up.
17. 1 kinds of terminals, is characterized in that, comprise the device as described in as arbitrary in claim 14 to 16.
18. 1 kinds of interest point search systems, is characterized in that, comprise terminal, operation system, increment POI platform and interest point data base, wherein,
Described terminal, for showing interest point information according to points of interest attribute information retrieval and according to rectilinear coordinates system;
Described business platform, the service request sending for receiving terminal, and described request is sent to described increment POI platform;
Described increment POI platform, for passing through described interest point data base searching interest dot information according to terminal traffic request;
Described interest point data base, for storing interest point information.
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| WO2016008230A1 (en) * | 2014-07-17 | 2016-01-21 | 高德信息技术有限公司 | Method and device for binding point of interest (poi) to road |
| CN105608153A (en) * | 2015-12-18 | 2016-05-25 | 晶赞广告（上海）有限公司 | Universal POI information association method |
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