CN102479229A - Method and system for generating point of interest (POI) data - Google Patents
Method and system for generating point of interest (POI) data Download PDFInfo
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- CN102479229A CN102479229A CN2010105712945A CN201010571294A CN102479229A CN 102479229 A CN102479229 A CN 102479229A CN 2010105712945 A CN2010105712945 A CN 2010105712945A CN 201010571294 A CN201010571294 A CN 201010571294A CN 102479229 A CN102479229 A CN 102479229A
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Abstract
The invention provides a method and a system for generating point of interest (POI) data, wherein the method comprises the steps of: step S1, obtaining original data of POI and storing the original data into an electronic map database; step S2, carrying out automatic differential processing on the original data of the POI in the electronic map database, and generating basic data of the POI; and step S3, carrying out accuracy verification on the basic data of the POI, generating the accurate POI data, and updating the electronic map database according to the accurate POI data. The scheme of the method and the system has the advantages that the effect of fast providing a large amount of rich and accurate POI data in real time can be realized, and the production efficiency of the POI data is greatly improved.
Description
Technical field
The present invention relates to the production method of electronic chart POI (Point of interest, point of interest) data, particularly relate to production method and system in a kind of point of interest POI data production run.
Background technology
The production run method of traditional P OI data; Mainly be that the mode that " sweeps the streets " through is on the spot carried out; That is: field operation personnel handhold GPS equipment; Garage or walking be to the zone that each plan will be gathered, and GPS and reference point position information record are carried out in wherein each important terrestrial reference or position, and this record generally only comprises: Back ground Informations such as the title of POI, address, phone, outward appearance picture; Because phone information general being difficult in gatherer process in address obtains, so most of POI data do not have address and phone; For the POI updating data, all be the POI information of gathering through in advance, go termly to verify on the spot; If change or wither away; Then carry out record, be updated in the POI basic database through interior industry more at last, thereby accomplish increase, renewal and the deletion of whole POI data.
The mode of production of traditional P OI data is produced for large-scale POI data obviously, and cost is high, or even can not realize fully.
Summary of the invention
The technical matters that the present invention will solve provides a kind of point of interest POI data creating method and system, realizes quick, real-time great deal of rich, the POI data accurately of providing, and improves the production efficiency of POI data greatly.
For solving the problems of the technologies described above, embodiments of the invention provide a kind of point of interest POI data creating method, comprising:
Step S1 obtains the POI raw data, and deposits the database of electronic chart in;
Step S2 carries out automatic difference processing to the said POI raw data in the database of said electronic chart, generates the POI basic data;
Step S3 carries out accuracy checking to said POI basic data, generates POI data accurately, and according to the database of the said electronic chart of the said Data Update of POI accurately.
Wherein, said step S1 is specially:
Perhaps obtain the POI raw data through POI data capture instrument, and deposit the database of electronic chart in from the affiliate.
Wherein, said step S2 specifically comprises:
Step S21 handles and geocoding according to predetermined format the said POI raw data in the database of said electronic chart, obtains a POI raw data;
Step S22 classifies to a said POI raw data, obtains sorted the 2nd POI raw data;
Step S23 looks into heavily processing to the female data in said the 2nd POI raw data and the said electronic map database and handles with complementary, obtains the 3rd POI raw data;
Step S24 goes secret point to handle to said the 3rd POI raw data, obtains said POI basic data.
Wherein, among the said step S23, looking into heavily to the female data in said the 2nd POI raw data and the said electronic map database, processing is specially:
Each field of more said the 2nd POI raw data and each field of said female data select comparatively accurately field as the property value of current field.
Wherein, said step S3 specifically comprises:
Step S31 carries out the accuracy checking with said POI basic data and the POI data of utilizing the POI instrument of catching to obtain from the internet, generates POI data accurately, and according to the database of the said electronic chart of the said Data Update of POI accurately.
Wherein, step S3 specifically comprises:
Step S32 is examined said POI basic data by manual type, if defective POI data are arranged, then said defective POI data are revised by manual type, obtains a POI basic data;
Step S33 carries out the accuracy checking with a said POI basic data and the POI data of utilizing the POI instrument of catching to obtain from the internet, generates POI data accurately, and according to the database of the said electronic chart of the said Data Update of POI accurately.
Embodiments of the invention also provide a kind of point of interest POI data to produce system, comprising:
Deriving means is used to obtain the POI raw data, and deposits the database of electronic chart in;
Automatically difference processing device is used for the said POI raw data of the database of said electronic chart is carried out automatic difference processing, generates the POI basic data;
Demo plant is used for said POI basic data is carried out accuracy checking, generates POI data accurately, and according to the database of the said electronic chart of the said Data Update of POI accurately.
Wherein, said automatic difference processing device specifically comprises:
First processing unit is used for the said POI raw data of the database of said electronic chart is handled and geocoding according to predetermined format, obtains a POI raw data;
Second processing unit is used for a said POI raw data is classified, and obtains sorted the 2nd POI raw data;
The 3rd processing unit is used for that female data of said the 2nd POI raw data and said electronic map database are looked into heavily processing and handles with complementary, obtains the 3rd POI raw data;
The manages the unit everywhere, is used for said the 3rd POI raw data point that goes to maintain secrecy is handled, and obtains said POI basic data.
Wherein, said demo plant specifically comprises:
First authentication unit is used for said POI basic data and the POI data of utilizing the POI instrument of catching to obtain from the internet are carried out the accuracy checking, generates POI data accurately, and according to the database of the said electronic chart of the said Data Update of POI accurately.
Wherein, said demo plant specifically comprises:
Second authentication unit is used for said POI basic data is examined by manual type, if defective POI data are arranged, then said defective POI data is revised by manual type, obtains a POI basic data;
The 3rd authentication unit; Be used for a said POI basic data and the POI data of utilizing the POI instrument of catching to obtain from the internet are carried out the accuracy checking; Generate POI data accurately, and according to the database of the said electronic chart of the said Data Update of POI accurately.
The beneficial effect of technique scheme of the present invention is following:
Such scheme is through obtaining the POI raw data from each channel, and this POI raw data is carried out automatic difference processing, then, again the POI basic data after the automatic difference processing carried out the accuracy checking, finally generates POI data accurately; Mode than traditional " sweeping the streets " formula is obtained the POI data; It is quicker to obtain the POI data, and carries out obtaining POI data accurately after the accuracy checking, improves the production efficiency of POI data greatly; Thereby need not carry out, save cost with the mode of " sweeping the streets ".
Description of drawings
Fig. 1 is a point of interest POI data creating method process flow diagram of the present invention;
Fig. 2 is the integrated stand composition that point of interest POI data of the present invention produce system;
Fig. 3 is a concrete Organization Chart of realizing of system shown in Figure 2.
Embodiment
For technical matters, technical scheme and advantage that the present invention will be solved is clearer, will combine accompanying drawing and specific embodiment to be described in detail below.
The present invention is directed to the mode of production of existing traditional P OI data; Produce for large-scale POI data, cost is high problem, and a kind of point of interest POI data creating method and system are provided; Realize quick, real-time great deal of rich, the POI data accurately of providing; Improve the production efficiency of POI data greatly, thereby need not carry out, save cost with the mode of " sweeping the streets ".
As shown in Figure 1, point of interest POI data creating method of the present invention comprises:
Step S1 obtains the POI raw data, and deposits the database of electronic chart in;
Step S2 carries out automatic difference processing to the said POI raw data in the database of said electronic chart, generates the POI basic data;
Step S3 carries out accuracy checking to said POI basic data, generates POI data accurately, and according to the database of the said electronic chart of the said Data Update of POI accurately.
Technique scheme is through obtaining the POI raw data from each channel, and this POI raw data is carried out automatic difference processing, then, again the POI basic data after the automatic difference processing carried out the accuracy checking, finally generates POI data accurately; Mode than traditional " sweeping the streets " formula is obtained the POI data; It is quicker to obtain the POI data, and carries out obtaining POI data accurately after the accuracy checking, improves the production efficiency of POI data greatly; Thereby need not carry out, save cost with the mode of " sweeping the streets ".
Wherein, among the said method embodiment, above-mentioned steps S1 can be specially:
Perhaps obtain the POI raw data through POI data capture instrument, and deposit the database of electronic chart in from the affiliate.
Can certainly obtain the POI raw data through other approach, obtain like specialize in supply merchant place etc. through the POI data.
Wherein, among the said method embodiment, above-mentioned steps S2 also can specifically comprise:
Step S21 handles and geocoding according to predetermined format the said POI raw data in the database of said electronic chart, obtains a POI raw data; For example the POI raw data is stored according to the storage format of POI data in the database of electronic chart;
Step S22 classifies to a said POI raw data, obtains sorted the 2nd POI raw data;
Step S23 looks into heavily processing to the female data in said the 2nd POI raw data and the said electronic map database and handles with complementary, obtains the 3rd POI raw data; Wherein, looking into heavily to the female data in said the 2nd POI raw data and the said electronic map database, processing can be specially:
Each field of more said the 2nd POI raw data and each field of said female data select comparatively accurately field as the property value of current field.
Step S24 goes secret point to handle to said the 3rd POI raw data, obtains said POI basic data; Wherein, it is to security information that the point that goes to maintain secrecy is handled, and indicates, and does not provide data to derive.
Wherein, among the said method embodiment, above-mentioned steps S3 can specifically comprise:
Step S31 carries out the accuracy checking with said POI basic data and the POI data of utilizing the POI instrument of catching to obtain from the internet, generates POI data accurately, and according to the database of the said electronic chart of the said Data Update of POI accurately.Through POI basic data and the POI data of utilizing the POI instrument of catching to obtain from the internet are compared, carry out the accuracy checking, if any the low POI data of renewal frequency; Then the low POI data of renewal frequency are deleted; Certainly, the POI data on the internet also might be inaccurate, at this moment; Can carry out manual examination and verification again and confirm, thereby confirm POI data accurately; Like this based on the above-mentioned POI raw data of obtaining from multiple channel, and finally pass through under the situation of one-time authentication, obtain POI data accurately; Mode than traditional " sweeping the streets " formula is obtained the POI data; It is quicker to obtain the POI data, and carries out obtaining POI data accurately after the accuracy checking, improves the production efficiency of POI data greatly; Thereby need not carry out, save cost with the mode of " sweeping the streets ".
Certainly, among the said method embodiment, above-mentioned steps S3 also can specifically comprise:
Step S32 is examined said POI basic data by manual type, if defective POI data are arranged, then said defective POI data are revised by manual type, obtains a POI basic data;
Step S33 carries out the accuracy checking with a said POI basic data and the POI data of utilizing the POI instrument of catching to obtain from the internet, generates POI data accurately, and according to the database of the said electronic chart of the said Data Update of POI accurately.So earlier through manual examination and verification and correction, carry out again with the internet on the POI data that obtain carry out the secondary checking, make the POI data that finally obtain more accurate; Mode than traditional " sweeping the streets " formula is obtained the POI data; It is quicker to obtain the POI data, and carries out obtaining POI data accurately after the accuracy checking, improves the production efficiency of POI data greatly; Thereby need not carry out, save cost more with the mode of " sweeping the streets ".
The POI data that said method of the present invention is come at first through various channels; Handle (be above-mentioned handle) and geocoding processing through data normalization according to predetermined format; Automatically differential system contrasts the basis female storehouse of electronic chart and pending POI data; And carry out automatic fusion treatment (, look into heavily to handle and handle and the point that goes to maintain secrecy is handled etc.) and be kept in the POI basic database, and then the POI basic data that is kept in the POI basic database is surveyed sample and examined with manual type with complementary like above-mentioned data are classified; If the data rate of accuracy reached after this a collection of robotization is handled is to the quality inspection requirement; Then pass through, otherwise, need to combine manual work to examine and revise; Be kept at the POI data in the basic database, the internet verification system is the suspicious POI lower to renewal frequency in the storehouse regularly, carries out online statistical testing of business cycles, further strengthens the accuracy of POI data in the storehouse and ageing thus.
The advantage that this method is maximum has been to realize a kind of robotization POI data quick-processing, fusion and checking flow process of high level, adopts the method for statistics and search engine; Multi-source data is merged fast; Mode through the internet is carried out accuracy checking and correction to data, in conjunction with the little manual audit, if very high to the data accuracy requirement; Then combine the field operation personnel to verify on the spot, finally reach qualified POI data and produce.This mode; With respect to the traditional work pattern, from cost, on the efficient, all be a qualitative leap, for the quality of data; Because the high accuracy of increasingly automated processing, screening and the data in early stage; Personnel verify on the spot for field operation, and workload has dropped to minimum, have therefore farthest guaranteed the quality of data and have practiced thrift cost of labor.Problems such as the POI data are quick, extensive, various dimensions production have been solved.Thereby be upper layer application, quick, real-time great deal of rich, the POI information accurately of providing improves the production efficiency of POI data greatly.
As shown in Figure 2, embodiments of the invention also provide a kind of point of interest POI data to produce system, comprising:
Deriving means is used to obtain the POI raw data, and deposits the database of electronic chart in;
Automatically difference processing device is used for the said POI raw data of the database of said electronic chart is carried out automatic difference processing, generates the POI basic data;
Demo plant is used for said POI basic data is carried out accuracy checking, generates POI data accurately, and according to the database of the said electronic chart of the said Data Update of POI accurately.
Wherein, above-mentioned automatic difference processing device specifically comprises:
First processing unit is used for the said POI raw data of the database of said electronic chart is handled and geocoding according to predetermined format, obtains a POI raw data;
Second processing unit is used for a said POI raw data is classified, and obtains sorted the 2nd POI raw data;
The 3rd processing unit is used for that female data of said the 2nd POI raw data and said electronic map database are looked into heavily processing and handles with complementary, obtains the 3rd POI raw data;
The manages the unit everywhere, is used for said the 3rd POI raw data point that goes to maintain secrecy is handled, and obtains said POI basic data.
Wherein, above-mentioned demo plant can specifically comprise:
First authentication unit is used for said POI basic data and the POI data of utilizing the POI instrument of catching to obtain from the internet are carried out the accuracy checking, generates POI data accurately, and according to the database of the said electronic chart of the said Data Update of POI accurately.
Wherein, above-mentioned demo plant can also specifically comprise:
Second authentication unit is used for said POI basic data is examined by manual type, if defective POI data are arranged, then said defective POI data is revised by manual type, obtains a POI basic data;
The 3rd authentication unit; Be used for a said POI basic data and the POI data of utilizing the POI instrument of catching to obtain from the internet are carried out the accuracy checking; Generate POI data accurately, and according to the database of the said electronic chart of the said Data Update of POI accurately.
Specify the concrete realization framework and the flow process of above-mentioned system shown in Figure 2 below in conjunction with Fig. 3:
S31. data source input and arrangement
The POI raw data of at first coming in through various channels such as affiliate, reptile instruments after the simple rule arrangement, is saved in " the original storehouse of geography information ", should " the original storehouse of geography information " be a database of electronic chart.
S32. the processing of difference processing device automatically
Automatically the difference processing device is to each bar POI raw data in the original storehouse of geography information, after standardization processing and geocoding, and these POI data at first classified;
Carry out then handling with message complementary sense with looking into of female database data is heavy (if repeat with female storehouse, the property value of each field relatively then, selection more accurately field information as this field attribute value);
Because the secret and safe property of data, difference merges and also need carry out the work of " removing secret point " at last automatically,, indicates (not providing data to derive) to security information;
Data are saved in the POI basic database after merging through automatic difference, unified " artificial difference " link that enters into;
S33, the auxiliary process of artificial difference processing device
These POI basic data information are at first through the Automatic Program sampling;
Then, accuracy is carried out in manual work and validity detects, and obtains a mark; If this mark less than product product specification threshold values, then needs manual work that this batch data is all carried out manual examination and verification and correction, otherwise; Only need randomly draw again some (such as: 1000) the POI data; Manual examination and verification one time, if meet the product quality basically, then this batch data is effective.
S34, data are verified automatically
Through above flow process, guaranteed the quality of product to a great extent, but data are to change along with change of time; Even realize by manual work fully; Also can not accomplish the accurate and effective of data 100%, so on the female storehouse of basic data, increased the mistake of POI data is monitored with variation in real time; That is: realize that data verify automatically, the assurance of maximum possible the accuracy and the validity of data.
Internet data checking subsystem, every day is continual carries out circularly monitoring to every information in the basic database, at first suspicious data is recommended out;
Then, through reptile these suspicious datas are added up monitoring;
Through the various attributes of POI, seek its relevant information to the internet, and information to obtaining, verify and replenish; The relevant information of POI possibly derive from newspapers and periodicals, yellow page information, online various forums, comment, access to netwoks daily record etc.;
From the internet gather and checking after information, not necessarily therefore entirely accurate, also needs a small amount of manual examination and verification, comes to judge accurately the accuracy and the validity of this information.If data have problem, after then revising, be substituted in the basic database, thereby accomplish real-time update basic database through Automatic Program and final manual work.
In order to make data more accurate, than higher application, finally also need combine the field operation personnel to accuracy requirement, checking on the spot, thereby the high-quality of assurance data.
Said system is equally through obtaining the POI raw data from each channel, and this POI raw data is carried out automatic difference processing, then, again the POI basic data after the automatic difference processing carried out the accuracy checking, finally generates POI data accurately; Mode than traditional " sweeping the streets " formula is obtained the POI data; It is quicker to obtain the POI data, and carries out obtaining POI data accurately after the accuracy checking, improves the production efficiency of POI data greatly; Thereby need not carry out, save cost with the mode of " sweeping the streets ".
The above is a preferred implementation of the present invention; Should be pointed out that for those skilled in the art, under the prerequisite that does not break away from principle according to the invention; Can also make some improvement and retouching, these improvement and retouching also should be regarded as protection scope of the present invention.
Claims (10)
1. a point of interest POI data creating method is characterized in that, comprising:
Step S1 obtains the POI raw data, and deposits the database of electronic chart in;
Step S2 carries out automatic difference processing to the said POI raw data in the database of said electronic chart, generates the POI basic data;
Step S3 carries out accuracy checking to said POI basic data, generates POI data accurately, and according to the database of the said electronic chart of the said Data Update of POI accurately.
2. point of interest POI data creating method according to claim 1 is characterized in that said step S1 is specially:
Perhaps obtain the POI raw data through POI data capture instrument, and deposit the database of electronic chart in from the affiliate.
3. point of interest POI data creating method according to claim 1 is characterized in that said step S2 specifically comprises:
Step S21 handles and geocoding according to predetermined format the said POI raw data in the database of said electronic chart, obtains a POI raw data;
Step S22 classifies to a said POI raw data, obtains sorted the 2nd POI raw data;
Step S23 looks into heavily processing to the female data in said the 2nd POI raw data and the said electronic map database and handles with complementary, obtains the 3rd POI raw data;
Step S24 goes secret point to handle to said the 3rd POI raw data, obtains said POI basic data.
4. point of interest POI data creating method according to claim 3 is characterized in that, among the said step S23, looking into heavily to the female data in said the 2nd POI raw data and the said electronic map database, processing is specially:
Each field of more said the 2nd POI raw data and each field of said female data select comparatively accurately field as the property value of current field.
5. point of interest POI data creating method according to claim 1 is characterized in that said step S3 specifically comprises:
Step S31 carries out the accuracy checking with said POI basic data and the POI data of utilizing the POI instrument of catching to obtain from the internet, generates POI data accurately, and according to the database of the said electronic chart of the said Data Update of POI accurately.
6. point of interest POI data creating method according to claim 5 is characterized in that step S3 specifically comprises:
Step S32 is examined said POI basic data by manual type, if defective POI data are arranged, then said defective POI data are revised by manual type, obtains a POI basic data;
Step S33 carries out the accuracy checking with a said POI basic data and the POI data of utilizing the POI instrument of catching to obtain from the internet, generates POI data accurately, and according to the database of the said electronic chart of the said Data Update of POI accurately.
7. point of interest POI data produce system, it is characterized in that, comprising:
Deriving means is used to obtain the POI raw data, and deposits the database of electronic chart in;
Automatically difference processing device is used for the said POI raw data of the database of said electronic chart is carried out automatic difference processing, generates the POI basic data;
Demo plant is used for said POI basic data is carried out accuracy checking, generates POI data accurately, and according to the database of the said electronic chart of the said Data Update of POI accurately.
8. point of interest POI data according to claim 7 produce system, it is characterized in that said automatic difference processing device specifically comprises:
First processing unit is used for the said POI raw data of the database of said electronic chart is handled and geocoding according to predetermined format, obtains a POI raw data;
Second processing unit is used for a said POI raw data is classified, and obtains sorted the 2nd POI raw data;
The 3rd processing unit is used for that female data of said the 2nd POI raw data and said electronic map database are looked into heavily processing and handles with complementary, obtains the 3rd POI raw data;
The manages the unit everywhere, is used for said the 3rd POI raw data point that goes to maintain secrecy is handled, and obtains said POI basic data.
9. point of interest POI data according to claim 7 produce system, it is characterized in that said demo plant specifically comprises:
First authentication unit is used for said POI basic data and the POI data of utilizing the POI instrument of catching to obtain from the internet are carried out the accuracy checking, generates POI data accurately, and according to the database of the said electronic chart of the said Data Update of POI accurately.
10. point of interest POI data according to claim 7 produce system, it is characterized in that said demo plant specifically comprises:
Second authentication unit is used for said POI basic data is examined by manual type, if defective POI data are arranged, then said defective POI data is revised by manual type, obtains a POI basic data;
The 3rd authentication unit; Be used for a said POI basic data and the POI data of utilizing the POI instrument of catching to obtain from the internet are carried out the accuracy checking; Generate POI data accurately, and according to the database of the said electronic chart of the said Data Update of POI accurately.
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| CN102902596A (en) * | 2012-09-29 | 2013-01-30 | 北京百度网讯科技有限公司 | Point of interest data verification method and point of interest data verification device |
| CN103412888A (en) * | 2013-07-19 | 2013-11-27 | 百度在线网络技术（北京）有限公司 | Point of interest (POI) identification method and device |
| CN103605729A (en) * | 2013-11-19 | 2014-02-26 | 段炼 | POI (point of interest) Chinese text categorizing method based on local random word density model |
| CN103853740A (en) * | 2012-11-29 | 2014-06-11 | 北京百度网讯科技有限公司 | POI data updating method and device based on user location request |
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| CN104216895A (en) * | 2013-05-31 | 2014-12-17 | 高德软件有限公司 | Method and device for generating POI data |
| CN104572957A (en) * | 2014-12-29 | 2015-04-29 | 北京奇虎科技有限公司 | POI name determination system based on clustering and method thereof |
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| CN104572956A (en) * | 2014-12-29 | 2015-04-29 | 北京奇虎科技有限公司 | System and method for confirming POI information effectiveness |
| CN104899243A (en) * | 2015-03-31 | 2015-09-09 | 北京奇虎科技有限公司 | Method and apparatus for detecting accuracy of POI (Point of Interest) data |
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| CN105953805A (en) * | 2016-04-29 | 2016-09-21 | 百度在线网络技术（北京）有限公司 | Method and device for verifying map |
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| CN110647607A (en) * | 2018-12-29 | 2020-01-03 | 北京奇虎科技有限公司 | POI data verification method and device based on picture identification |
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