CN106341471A - Peripheral target geographic information acquiring and searching method for position service - Google Patents
Peripheral target geographic information acquiring and searching method for position service Download PDFInfo
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- CN106341471A CN106341471A CN201610795685.2A CN201610795685A CN106341471A CN 106341471 A CN106341471 A CN 106341471A CN 201610795685 A CN201610795685 A CN 201610795685A CN 106341471 A CN106341471 A CN 106341471A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/50—Network services
- H04L67/52—Network services specially adapted for the location of the user terminal
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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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- 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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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/02—Services making use of location information
Abstract
The invention relates to the Internet information processing field and particularly relates to a peripheral target geographic information acquiring and searching method for position service. The location position of a user is positioned through a client, the enterprise information within a set user positioning surrounding scope is returned to the user. According to the method, data analysis, integration and display is carried out for enterprises, based on that the full basic enterprise information is established and the latitude/longitude data is stored, the enterprise information near the user is returned to the user through combining a field search function of a positioning and index system of the user, a problem of insufficient enterprise searching existing in position service in the prior art is solved, and technical support is provided for related business application and analysis, moreover, when peripheral enterprise searching is carried out, to-be-displayed enterprises are searched in a largest longitude/latitude deviation scope acquired through preselected distance conversion, actual distances between the enterprises and the user are calculated on the basis of the searched enterprises, the enterprises within a search radius is remained, efficiency and accuracy requirements are satisfied in a pre-screening mode.
Description
Technical field
Internet information process field of the present invention, particularly to for location-based service peripheral object geography information obtain and
Searching method.
Background technology
Social progress with Information Technology Development as representative, the accumulation of data message is increased with series speed, and data volume is big
Inside the data of magnanimity, how accurately low with value density is but the difficult problem that the such mass data information excavating of puzzlement utilizes,
The information that people are concerned about that obtains become the problem of urgent solution, in face of the huge market demand, internet hunt and several greatly
Become the hot topic of current the Internet, applications according to analysis；Various search engines also arise at the historic moment, and wherein vertical search engine is to be directed to
The containing much information of the professional search engine of some industry, relatively universal search engine, inquire about inaccurate, depth and not etc. lack
Point, vertical search is by the certain values that have providing for a certain specific area, a certain specific crowd or a certain particular demands
Information and related service, have the characteristics that " professional ", " accurate ", " depth excavation ", and have industry color.
But existing market is also more rarely seen for the vertical search of enterprise.And company information is important the one of data analysis
Ring；Data analysis has great importance, because enterprise is as active agent most important in social economy, in economy
Play important role.And geography information is a considerable ring in the information of enterprise, for the region of enterprise itself
Association, business development, be worth and excavate, and the territorial classification of macroeconomic, hiding region, the analysis of geographical commercial value and
Excavate all of great advantage.
Existing public geographic information map system, does not have the disclosed special search for Geography of enterprise information to put down
Platform, only hotel, the specialized searches at restaurant, sight spot etc.；Large and complete universal search, the meaning dashed forward not out of absorbed enterprise search
Justice.In addition all kinds of based in GIS application, geographic information services based on customer location and application have very high
Commercial value；User, according to the useful target information of the location finding periphery of itself, has provided the user great convenience；
But current location-based service focuses primarily upon quick consumption and service trade, do not provide the user with location-based for enterprise
The search of industry and the related application of discovery.And the search of periphery enterprise has much different answering with existing location Based service
With scene, facilitate user to get information about conditions of the enterprise and its distribution of surrounding, carry out targetedly business analysis and business and live
Dynamic.
Content of the invention
It is an object of the invention to the above-mentioned deficiency in the presence of overcoming prior art, provide the periphery for location-based service
Target geographic acquisition of information and searching method.According to the public map platform interface of the call by location of each enterprise, obtain enterprise
Latitude and longitude information；The geographical latitude and longitude information getting is stored in distributed file system；Set up each enterprise
Essential information and latitude and longitude information database；Combine the positioning function of client on the basis of data storage, provide the user with week
The discovery of side enterprise and function of search.
In order to realize foregoing invention purpose, the present invention is provided to the peripheral object geography information of location-based service obtains and searches
Suo Fangfa, by the position of client location user, and user is positioned the company information return in surrounding setting range
To user.With enterprise for the object searched for, the current location according to user can very easily inquire surrounding to the inventive method
A range of enterprise name and information；Provide the user brand-new function of search.
Specifically, the realization of the inventive method comprises the following steps:
(1) corresponding longitude and latitude degrees of data is obtained according to each enterprise's address invocation map platform interface；
(2) enterprise name, address, longitude and latitude data will be comprised to be stored in distributed file system；
(3) set up the indexed format comprising enterprise name, address, longitude, latitudinal fields, and will be stored in distributed document
In importing index in system；
(4) pass through the position of client location user, according to the search radius scope of setting, by user's positioning surrounding
The information such as enterprise name, address return to user.
Further, described step (1) in order to improve latitude and longitude information acquisition accuracy, by from least two maps
The longitude and latitude degrees of data that platform gets is being mutually authenticated and completion.
Further, described data is mutually authenticated and completion, comprises implemented below process:
Call the first map platform interface, obtain enterprise first longitude data and the first latitude data；
Call the second map platform interface, obtain enterprise second longitude data and the second latitude data；
Described data is mutually authenticated and completion, applicable following rule condition:
If the longitude and latitude degrees of data that a obtains from the first map platform is complete, and the longitude and latitude getting from the second map platform
Degrees of data has disappearance, then select the first longitude data and the first latitude data as the geographical latitude and longitude information of enterprise；
B, selection, from the data message that platform gets, are sorted according to confidence level, select credible higher corresponding warp
Latitude information is the longitude and latitude degrees of data of enterprise；
C, compare the first longitude data and the second longitude data, obtain difference data 1, compare the first latitude data and second
Latitude data, obtains difference data 2, if difference data 1 and difference data 2, all in the threshold value of setting, may be selected the
One longitude data, the first latitude data or the second longitude data, the second latitude data as enterprise geographical longitude and latitude degrees of data.
Above-mentioned rule condition is suitable in order.
As one kind preferably, described step (3) sets up index using elasticsearch.
Further, in described step (4) user according to client location position, the longitude according to position and
Latitude data, in conjunction with the field range query function of elasticsearch；Setting model is searched out centered on user position location
Enterprise in enclosing.
Specifically, the search procedure of periphery enterprise comprises implemented below step:
Calculate the difference of longitude of maximum according to setting search radius l；
Calculate the latitudinal difference of maximum according to setting search radius l；
Maximum longitude and latitude centered on going out user's positioning by the field range query searching functions of elasticsearch is inclined
Enterprise in difference；Calculate the distance 1 of the enterprise to be shown searching out and user position location, judge whether this distance 1 is less than
The search radius l setting, the enterprise of distance 1≤search radius l is returned to user.
Further, in order to ensure the display effect preferably searched for, it is provided with the initial several n showing enterprise；If
The number of the enterprise ＜ n searching out in the range of radius l, then increase search radius δ l, repeat search step, search in radius
Stop during the number of the enterprise >=n arriving increasing search radius, and the enterprise in now search radius is returned to user.
Further, maximum search radius are set to lmax, when search radius expand l tomaxWhen, even if the enterprise searching out
Industry quantity remains as and reaches n, also stops increasing search radius, by lmaxIn the range of enterprise return to user.
Compared with prior art, beneficial effects of the present invention: the present invention is provided to the peripheral object of location-based service is geographical
Acquisition of information and searching method, by the position of client location user, and user are positioned in surrounding setting range
Company information returns to user.The inventive method carries out data analysis, integration and displaying for enterprise, and the inventive method is being set up
On the basis of playing enterprise's essential information of full dose and the data storage of longitude and latitude degrees of data, the positioning longitude and latitude in conjunction with user and index
By user, company information at one's side returns to user to the field searches function of system.The inventive method is using at least calling two ground
Figure platform gets the mode of the mutual completion of longitude and latitude degrees of data, ensure that the accurate of enterprise's longitude and latitude degrees of data with less amount of calculation
Property.When carrying out periphery enterprise search, the inventive method employs and first directly uses longitude and latitude deviation, in maximum longitude and latitude deviation
Range searching goes out enterprise to be shown, calculates the distance of enterprise and user's positioning on the basis of the enterprise searching out, and retains search
Enterprise in radius；The mode of this prescreening, has taken into account the requirement of efficiency and accuracy.In a word, the inventive method carries
Supply the enterprise search function of user's periphery, enriched the application scenarios in the vertical search field based on enterprise, make user permissible
Check enterprise object situation and enterprise name, the address of periphery whenever and wherever possible, reduce the time that user arrays data, be that user carries
Location-based brand-new search has been supplied to apply.In relative commercial analysis, the application of business promotion and business provides brand-new skill
Art supports.
Brief description:
Fig. 1 is the inventive method flowchart.
Fig. 2 is longitude and latitude data acquisition and checking completion schematic flow sheet.
Fig. 3 is the schematic flow sheet of data acquisition of the present invention, storage and displaying.
Fig. 4 is the inventive method periphery enterprise search and the schematic flow sheet shown.
It should be appreciated that all accompanying drawings of the present invention are schematically, do not represent real size and ratio.
Specific embodiment
With reference to test example and specific embodiment, the present invention is described in further detail.But this should not be understood
Scope for the above-mentioned theme of the present invention is only limitted to below example, all belongs to this based on the technology that present invention is realized
The scope of invention.
The present invention is provided to the peripheral object geography information of location-based service obtains and searching method.According to each enterprise
The public map platform interface of call by location, obtains the latitude and longitude information of enterprise；By the geographical latitude and longitude information storage getting
In distributed file system；Set up essential information and the latitude and longitude information database of each enterprise；The basis of data storage
The positioning function of upper combination client, provides the user with discovery and the function of search of periphery enterprise.
In order to realize foregoing invention purpose, the present invention is provided to the peripheral object geography information of location-based service obtains and searches
Suo Fangfa, by the position of client location user, and user is positioned the company information return in surrounding setting range
To user.The inventive method, with enterprise for the object of search, provides and inquires certain limit around according to the current location of user
Interior enterprise name and the function of information；User will be seen that the overview of enterprise around according to the information searching out, and is specific aim
Business activity, compensate for existing based on location-based service shortage enterprise search deficiency, be relative commercial application and analysis carry
For technical support.
Specifically, the inventive method includes following steps as shown in Figure 1:
(1) corresponding longitude and latitude degrees of data is obtained according to each enterprise's address invocation map platform interface；According to enterprise address
Directly invoke open map platform to obtain the corresponding longitude of enterprise and latitude data, data acquisition simple and fast；Fully profit
With existing resource, reduce overlapping development.
(2) enterprise name, address, longitude and latitude data will be comprised to be stored in distributed file system；By above-mentioned
Step completes enterprise address to enterprise's longitude and latitude data acquisition and storing process, provides data basis for related search.
(3) set up the indexed format comprising enterprise name, address, longitude, latitudinal fields, and will be stored in distributed document
In importing index in system；On the basis of data storage, set up the index meeting function of search needs, be the search of data
There is provided basis with showing.
(4) pass through the position of client location user, according to the hunting zone of setting, by the enterprise's name around user's positioning
The information such as title, address return to user.This step is passed through positioning and is determined customer location, and in enterprise's essential information and the longitude and latitude number of degrees
On the basis of storage and index, the company information setting within radius is returned to user, facilitate user around user's positioning
Inquired about anywhere or anytime and searched for, understood the surrounding distribution situation of enterprise and the essential information of concrete enterprise, reduced user
Analysis and the time arranging related data；And the inventive method is to find the specifically used angle as location-based service for the periphery enterprise
Degree, has filled up and has not been directed to the technology vacancy that company information carries out peripheral position service, provided the user location Based service
Brand-new function of search.
Further, described step (1) in order to improve latitude and longitude information acquisition accuracy, by from least two maps
The longitude and latitude degrees of data that platform gets is as shown in Figure 2 with completion to be mutually authenticated.
Further, described data is mutually authenticated and completion, comprises implemented below process:
Call the first map platform interface, obtain enterprise first longitude data and the first latitude data；
Call the second map platform interface, obtain enterprise second longitude data and the second latitude data；
Described data is mutually authenticated and completion, applicable following rule condition:
If the longitude and latitude degrees of data that a obtains from the first map platform is complete, and the longitude and latitude getting from the second map platform
Degrees of data has disappearance, then select the first longitude data and the first latitude data as the geographical latitude and longitude information of enterprise；
B, selection, from the data message that platform gets, are sorted according to confidence level, select credible higher corresponding warp
Latitude information is the longitude and latitude degrees of data of enterprise；
C, compare the first longitude data and the second longitude data, obtain difference data 1, compare the first latitude data and second
Latitude data, obtains difference data 2, if difference data 1 and difference data 2, all in the threshold value of setting, may be selected the
One longitude data, the first latitude data or the second longitude data, the second latitude data as enterprise geographical longitude and latitude degrees of data.
Above-mentioned rule condition is suitable in order.
As one kind preferably, described step (3) sets up index using elasticsearch.Using elasticsearch
To set up the indexed format comprising enterprise name, address, longitude, latitude；And import to corresponding informance in index.
Elasticsearch is a search server based on lucene, there is provided the full text of a distributed multi-user ability is searched
Index is held up, and based on restful web interface, facilitates user to search for by web interface and read data, and
Elasticsearch has Field Inquiry function, and the search for periphery enterprise provides basis.When setting up index, wrap in index
Longitude containing enterprise and enterprise's latitude carry out carrying using elasticsearch Field Inquiry function during periphery enterprise search for user
Supply basis.
As a kind of preferably, using mapreduce or spark batch by the enterprise name of each enterprise, address, warp
Degree, latitude data import in index.Set up periphery enterprise search, need to store substantial amounts of enterprise essential information in rear end first；
And the quantity of enterprise, with quite huge, can reach ten million order of magnitude, be entered by mapreduce or spark cloud computing at present
Row batch operation, accelerates the processing speed of data.By mapreduce the or spark Computational frame under hadoop Lai real
Existing, mapreduce or spark is according to user instruction, automatic segmentation task, and the task after cutting is assigned to different sections
Point carries out parallel process, and treatment effeciency is high, and processing data amount is big, reliable and stable.
Further, in described step (4) user according to client location position, the longitude according to position and
Latitude data, in conjunction with the field range query function of elasticsearch；Setting model is searched out centered on user position location
Enterprise name in enclosing and essential information.
Specifically, search procedure comprises implemented below step as shown in Figure 3:
Calculate the difference of longitude of maximum according to setting search radius l；In the case of considering that latitude is constant, calculate
Big difference of longitude.
Calculate the latitudinal difference of maximum according to setting search radius l；In the case of considering that longitude is constant, calculate
Big latitudinal difference.
Maximum longitude and latitude centered on going out user's positioning by the field range query searching functions of elasticsearch is inclined
Enterprise in difference；And calculate the distance 1 of the enterprise to be shown searching out and user's centre of location, judge whether this distance 1 does not surpass
Cross the search radius l setting, the enterprise of distance 1≤search radius l is returned to user.The mode of this prescreening, takes into account
Efficiency and the requirement of accuracy.
Further, if (n is the minimum display enterprise setting for the enterprise≤n family finally searching through said process
Number), then expand search radius；Repeat above-mentioned search procedure according to the search radius after expanding, the enterprise until searching out reaches
Stop search after n family, prevent unlimited iteration to limit hunting zone simultaneously, maximum hunting zone is set to lmax, when
It is stepped up search radius, the number of the enterprise searching out still is less than n house, then stop search radius lmaxThe enterprise inside searching out
All return to user.
As one kind preferably, n=50 family, according to the dense degree of enterprise object, (such as at certain in nearer scope
In office building) quantity of enterprise object can may be use just more than 50 so number of the enterprise initial value is set to 50
Family is disposable to return more enterprise's number, as shown in Figure 4.
As one kind preferably, initial search radius are set to 100 meters, in the region that enterprise object is intensive, this hunting zone
Number of the enterprise have been sufficient for the display number that arranges, convenience of calculation, and and far and near with user's location suitably,
Keep the compactness that the region with the position location of user adjoins.
As one kind preferably, the stepping expanding search radius is 100 meters, and convenience of calculation is quick.
As a kind of preferred, lmaxIt is set to 2000 meters, enterprise object ratio is sparse in certain areas, in order to not allow enterprise
The unlimited expansion in hunting zone, also ensure the region compactness of the enterprise and user present position searching out, having must simultaneously
The search radius of maximum are set, and 2000 meters of maximum search radius can preferably take into account enterprise search quantity and region is tight
The requirement of property.
Embodiment 1
Map platform according to disclosed in the call by location of each enterprise, obtains the latitude and longitude information of enterprise；For example entitled
Chengdu abcd Science and Technology Ltd., address is: Chengdu Tianfu Avenue stage casing xx, calls the first map to put down according to address information
Platform interface gets destination address corresponding geography latitude and longitude information: and " status ": 0, " result ": " location ":
" lng ": 105.07392899855, " lat ": 36.555138880016 }, " precise ": 1, " confidence ": 80, "
Level ": " u5546 u52al u5927 u53a6 " } confidence level can be got from return information and be: 80, longitude is
105.07392899855, latitude is 36.555138880016.
Call the second map platform interface get destination address corresponding geography latitude and longitude information be: { " status ": "
1 ", " info ": " ok ", " infocode ": " 1000 ", " count ": " 1 ", " geocodes ": [{ " formatted_
So-and-so square b seat of address ": " Sichuan Province Chengdu Wu Hou District ", " province ": " Sichuan Province, " citycode ": "
028 ", " city ": " Chengdu ", " district ": " Wuhou District ", " township ": [], " neighborhood ": { "
Name ": [], " type ": [] }, " building ": { " name ": [], " type ": [] }, " adcode ": " 510107 ", "
Street ": " Tianfu Avenue stage casing ", " number ": " No. xx ", " location ": " 104.067139,30.548830 ", "
Level ": " number " }] }.Can get from above-mentioned return information: confidence level is number, longitude is 105.067139,
Latitude is 36.548830.
The data that above-mentioned two platform gets is all complete, then application rule b, the acquisition data according to two platforms can
Reliability is being ranked up, such as " level " by the second map platform: " number ", corresponding be converted into " confidence level:
99 ", relatively pass through first map platform obtain " confidence level: confidence level 80 " is higher then selects the second map platform to get
Longitude be 105.067139, latitude be 36.548830 conducts: " in Chengdu abcd Science and Technology Ltd., Chengdu Tianfu Avenue
The corresponding longitude and latitude data of section xx ".The latitude and longitude information getting is stored in hdfs distributed file system, above procedure
Complete acquisition and the storing process of latitude and longitude information.
Obtain longitude and the latitude data of other each enterprises in the same way, be stored in hdfs distributed file system
In it is established that the data storage basis of enterprise essential information and longitude, latitude data.
Create elasticsearch index mapping format: field includes: title, address, longitude, latitude；And use
Mapreduce or spark imports to the corresponding informance of each enterprise in index.
Such as with longitude for 105.067139, latitude is user's centre of location for 36.548830, nearby 100 meters of search
Interior all enterprises.Then experience flow process as shown in Figure 2:
A. the distance calculating longitude and latitude deviation according to scope:
According to distance, in the case of considering that latitude is constant, maximum deviation before and after longitudinal can be drawn；Conversely, examining
In the case that worry longitude degree is constant, maximum deviation before and after latitude direction can be drawn.
According to earth gis information: in latitude 36.548830 about, when latitude is constant, 1 longitude corresponds approximately to 100000 meters；
When longitude is constant, 1 latitude corresponds approximately to 111320 meters；
So apart from l=radius scope: latitude is constant, maximum deviation londelta=+ of longitudinal/-
(radius/100000)；Longitude is constant, and latitudinal maximum deviation latdelta=+/- (radius/111320)
B is according to longitude and latitude deviation range searching in the index
Inquiry field name: lon, inquires about field value scope: minimum: lon-londelta, maximum: lon+londelta；Look into
Ask field name: lat, inquiry word segment limit:
Minimum: lat-latdelta, maximum: lat+latdelta；Two field value scopes of longitude and latitude meet for looking into simultaneously
Ask result set.
The division statement fragment of inquiry is as follows:
Through above-mentioned inquiry, have found the enterprise that longitude and latitude scope meets in maximum longitude and latitude deviation range, and by this
A little enterprises return as a set.
C. gather, to returning, the reservation calculating in inquiry distance range；
To the enterprise's set inquired about by longitude and latitude difference, to the longitude and latitude point of enterprise and Help Center's point, calculate 2 points away from
From, in the range of reservation.
The formula of calculating 2 points of distances of longitude and latitude:
2 points of longitudes and latitudes numerical value t (lngt, latt), c (lngc, latc)
Radlatt=math.pi/180.0* (latt)
Radlatc=math.pi/180.0* (latc)
A=radlatt-radlatc
B=math.pi/180.0* (lngt)-math.pi/180.0* (1ngc)
Distance=6378137.0*2*math.asin (math.sqrt (math.pow (math.sin (a/2), 2)+
Math.cos (radlatt) * math.cos (radlatc) * math.pow (math.sin (b/2), 2)))
Through above-mentioned search and retention process: the Search Results of the user's periphery enterprise finally returning that are: " Chengdu xxxxx
Group Co., Ltd ", " Sichuan Co., Ltd of xx football club ", " Sichuan xx commerce and trade limited company ", " Sichuan xx investment
The many enterprises ... such as Management Co., Ltd ", " Chengdu xx cultural spreading Co., Ltd ".
Claims (11)
1. the peripheral object geography information being used for location-based service obtains with searching method it is characterised in that passing through client location
The position of user, and the company information in setting range around user's positioning is returned to user.
2. the method for claim 1 it is characterised in that: comprise implemented below step:
(1) corresponding longitude and latitude degrees of data is obtained according to each enterprise's address invocation map platform interface；
(2) enterprise name, address, longitude and latitude data will be comprised to be stored in distributed file system；
(3) set up the indexed format comprising enterprise name, address, longitude, latitudinal fields, and will be stored in distributed file system
In importing index in；
(4) pass through the position of client location user, according to the search radius scope of setting, by the enterprise's name around user's positioning
Claim, address information returns to user.
3. method as claimed in claim 2 it is characterised in that: described step (1) obtains each from least two map platforms
The longitude of enterprise and latitude data are realizing being mutually authenticated and completion of longitude and latitude degrees of data.
4. method as claimed in claim 3 it is characterised in that: longitude and latitude degrees of data is mutually authenticated and completion, comprises implemented below
Process:
Call the first map platform interface, obtain enterprise first longitude data and the first latitude data；
Call the second map platform interface, obtain enterprise second longitude data and the second latitude data；
Described data is mutually authenticated and completion, applicable following rule condition:
If the longitude and latitude degrees of data that a obtains from the first map platform is complete, and the longitude and latitude number of degrees getting from the second map platform
According to there being disappearance, then select the first longitude data and the first latitude data as the geographical latitude and longitude information of enterprise；
B, selection, from the data message that platform gets, are sorted according to confidence level, select credible higher corresponding longitude and latitude
Information is the longitude and latitude degrees of data of enterprise；
C, compare the first longitude data and the second longitude data, obtain difference data 1, compare the first latitude data and the second latitude
Data, obtains difference data 2, if difference data 1 and difference data 2, all in the threshold value of setting, may be selected the first warp
Degrees of data, the first latitude data or the second longitude data, the second latitude data as enterprise geographical longitude and latitude degrees of data；
Above-mentioned rule condition is suitable in order.
5. method as claimed in claim 4 it is characterised in that: described step (3) sets up rope using elasticsearch
Draw.
6. method as claimed in claim 5 it is characterised in that: criticized using mapreduce or spark in described step (3)
Amount imports the enterprise name of each enterprise, address, longitude, latitude data in index.
7. the method as described in one of claim 1 to 6 it is characterised in that: in described step (4), according to client location position
The longitude put and latitude data, in conjunction with the field range query function of elasticsearch；Search out and with user position location be
Enterprise in the setting range at center.
8. method as claimed in claim 7 it is characterised in that: the search procedure of periphery enterprise comprises implemented below step:
Calculate the difference of longitude of maximum according to the search radius l of setting；
Calculate the latitudinal difference of maximum according to the search radius l of setting；
By the field range query function of elasticsearch, search out the maximum difference of longitude centered on user's positioning
With the enterprise in maximum latitudinal difference；
Calculate the distance 1 of the enterprise searching out and user position location, the enterprise of distance 1≤search radius l is returned to user.
If 9. method as claimed in claim 8 is it is characterised in that the number of the enterprise ＜ n that searches out in the range of radius l,
Then increase search radius δ l, repeat the search step described in claim 8, during the number of the enterprise >=n searching in radius
Stop increasing search radius, and the enterprise in now search radius is returned to user.
10. method as claimed in claim 9 is it is characterised in that the search radius of maximum are set to lmax.
11. methods as claimed in claim 10 are it is characterised in that l=100 rice, n=50, δ l=100 rice, lmax=2000
Rice.
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| CN201610795685.2A CN106341471A (en) | 2016-08-31 | 2016-08-31 | Peripheral target geographic information acquiring and searching method for position service |
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| CN201610795685.2A CN106341471A (en) | 2016-08-31 | 2016-08-31 | Peripheral target geographic information acquiring and searching method for position service |
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| CN106991185A (en) * | 2017-04-10 | 2017-07-28 | 携程计算机技术（上海）有限公司 | The hotel's latitude and longitude information maintaining method and system of OTA websites |
| CN107402966A (en) * | 2017-06-23 | 2017-11-28 | 口碑控股有限公司 | The computational methods and device and electronic equipment of hunting zone |
| CN109325088A (en) * | 2018-09-04 | 2019-02-12 | 北京奇虎科技有限公司 | Screening method, device and the computer readable storage medium of wireless access node |
| CN109657146A (en) * | 2018-12-21 | 2019-04-19 | 拉扎斯网络科技（上海）有限公司 | Distributed search methods, device, system, primary server and region server |
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| CN110110014A (en) * | 2017-12-26 | 2019-08-09 | 阿里巴巴集团控股有限公司 | Determination method, server and the user client of the location information of target object |
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| CN112671887A (en) * | 2020-12-21 | 2021-04-16 | 哈尔滨工大天创电子有限公司 | Asset identification method and device, electronic equipment and computer storage medium |
| CN112905728A (en) * | 2021-02-26 | 2021-06-04 | 中国科学院电子学研究所苏州研究院 | Efficient fusion and retrieval system and method for multi-source place name data |
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| CN113313471A (en) * | 2021-06-11 | 2021-08-27 | 云南电网有限责任公司电力科学研究院 | Dynamic visual monitoring system and method for power distribution equipment |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101313300A (en) * | 2005-08-30 | 2008-11-26 | 谷歌公司 | Local search |
| CN104462263A (en) * | 2014-11-21 | 2015-03-25 | 厦门雅迅网络股份有限公司 | Method for searching for stores by means of database indexes |
| CN104484462A (en) * | 2014-12-29 | 2015-04-01 | 西安航天华迅科技有限公司 | Enterprise information acquisition method and system |
| CN105608112A (en) * | 2015-12-10 | 2016-05-25 | 北京奇虎科技有限公司 | Method and apparatus for measuring quality of map POI data |
-
2016
- 2016-08-31 CN CN201610795685.2A patent/CN106341471A/en not_active Withdrawn
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101313300A (en) * | 2005-08-30 | 2008-11-26 | 谷歌公司 | Local search |
| CN104462263A (en) * | 2014-11-21 | 2015-03-25 | 厦门雅迅网络股份有限公司 | Method for searching for stores by means of database indexes |
| CN104484462A (en) * | 2014-12-29 | 2015-04-01 | 西安航天华迅科技有限公司 | Enterprise information acquisition method and system |
| CN105608112A (en) * | 2015-12-10 | 2016-05-25 | 北京奇虎科技有限公司 | Method and apparatus for measuring quality of map POI data |
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| CN106991185A (en) * | 2017-04-10 | 2017-07-28 | 携程计算机技术（上海）有限公司 | The hotel's latitude and longitude information maintaining method and system of OTA websites |
| CN107402966A (en) * | 2017-06-23 | 2017-11-28 | 口碑控股有限公司 | The computational methods and device and electronic equipment of hunting zone |
| CN110019317A (en) * | 2017-08-01 | 2019-07-16 | 智能云科信息科技有限公司 | The displaying of machining production capacity and search system and method |
| CN110019317B (en) * | 2017-08-01 | 2023-08-29 | 智能云科信息科技有限公司 | System and method for displaying and searching machining productivity |
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| CN109325088A (en) * | 2018-09-04 | 2019-02-12 | 北京奇虎科技有限公司 | Screening method, device and the computer readable storage medium of wireless access node |
| CN109657146A (en) * | 2018-12-21 | 2019-04-19 | 拉扎斯网络科技（上海）有限公司 | Distributed search methods, device, system, primary server and region server |
| CN109857947A (en) * | 2019-01-28 | 2019-06-07 | 科大国创软件股份有限公司 | A kind of broadband installation site selecting method and system based on GIS map |
| CN110309435A (en) * | 2019-05-09 | 2019-10-08 | 重庆天蓬网络有限公司 | A method of the information search based on user location |
| CN110457409A (en) * | 2019-06-27 | 2019-11-15 | 南京市公安局鼓楼分局 | A kind of method that bullet beats glass case suspect search investigation |
| CN112671887A (en) * | 2020-12-21 | 2021-04-16 | 哈尔滨工大天创电子有限公司 | Asset identification method and device, electronic equipment and computer storage medium |
| CN112905728A (en) * | 2021-02-26 | 2021-06-04 | 中国科学院电子学研究所苏州研究院 | Efficient fusion and retrieval system and method for multi-source place name data |
| CN112989226A (en) * | 2021-04-17 | 2021-06-18 | 上海微问家信息技术有限公司 | Map passenger obtaining method, device, equipment and storage medium based on positioning information |
| CN113313471A (en) * | 2021-06-11 | 2021-08-27 | 云南电网有限责任公司电力科学研究院 | Dynamic visual monitoring system and method for power distribution equipment |
| CN113313471B (en) * | 2021-06-11 | 2023-04-18 | 云南电网有限责任公司电力科学研究院 | Dynamic visual monitoring system and method for power distribution equipment |
| CN115018258A (en) * | 2022-05-11 | 2022-09-06 | 中国城市规划设计研究院深圳分院 | Method for identifying enterprise type and industrial chain space in target area |
| CN115018258B (en) * | 2022-05-11 | 2023-08-18 | 中国城市规划设计研究院深圳分院 | Method for identifying enterprise type and industry chain space in target area |
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