CN104216895B - A kind of method and device for generating POI data - Google Patents
A kind of method and device for generating POI data Download PDFInfo
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Abstract
The invention discloses it is a kind of generate POI data method and device, with solves the problems, such as in the prior art generate POI data when extend, efficiency it is low, it is of poor quality and consume human and material resources it is larger.Method includes：Obtain POI initial data；Field according to corresponding to the source of POI initial data sets rule, and the POI initial data is handled, obtains POI criterion data；POI data in preset POI data storehouse, matching describe same POI POI data with the POI criterion data；If matching less than, by the POI criterion data be added to the POI data storehouse in；If matching, the POI data matched to the POI criterion data carries out fusion treatment, and the POI data obtained with fusion treatment updates the POI data of the matching.Technical solution of the present invention, improve speed, efficiency and the quality of generation POI data.
Description
Technical field
The present invention relates to data processing field, more particularly to a kind of method and device for generating POI data.
Background technology
At present, the point of interest in map data base（Point Of Interest, POI）Data, mainly in the following manner
Generation obtains：Outdoor workers carry out field operation gather on the spot, by the initial data collected be sent to surveyor be processed,
Processing, to obtain the POI data for meeting specification；Also, when a plurality of POI data collected is to describe same POI, from this
More accurate, the abundant POI data of information description is chosen in a plurality of POI data as POI data corresponding to the POI, its
He deletes at POI data.The mode of this generation POI data, can have following technological deficiency：
Defect 1, POI data amount are huge, and according to existing POI data processing mode, every POI data is required to pass through
Outdoor workers gather on the spot, and not only process cycle is longer, less efficient, and also need to consume substantial amounts of human and material resources resource；
Also, subsequently the POI data in map data base is updated, it is also desirable to carry out largely gathering, handling work, renewal week
Phase is also long, less efficient；
Defect 2, for a certain POI, be only using one therein as corresponding to the POI if having a plurality of POI data
POI data, and therefore POI data its information for being included, generates POI in this way often than relatively limited
Data, rich and accuracy is relatively poor, i.e., second-rate.
The content of the invention
For present in the mode of existing generation POI data when extend, the low technical problem of efficiency, the embodiment of the present invention
A kind of method and device for generating POI data is provided, generation POI is improved in the case where saving human and material resources resource to realize
Speed, efficiency and the quality of data.
A kind of method for generating POI data, including：
Obtain POI initial data；
Field according to corresponding to the source of POI initial data sets rule, and the POI initial data is handled,
Obtain POI criterion data；
POI data in preset POI data storehouse, matching describe same POI POI with the POI criterion data
Data；
If matching less than, by the POI criterion data be added to the POI data storehouse in；
If matching, the POI data matched to the POI criterion data carries out fusion treatment, uses fusion treatment
Obtained POI data updates the POI data of the matching.
A kind of device for generating POI data, including：
Initial data acquiring unit, for obtaining POI initial data；
Data generating unit, rule is set for the field corresponding to the source according to POI initial data, to the POI
Initial data is handled, and obtains POI criterion data；
First matching unit, for the POI data in preset POI data storehouse, matching is retouched with the POI criterion data
Same POI POI data is stated, the first memory cell is triggered less than if if matching, the trigger data integrated unit if matching；
First memory cell, for the POI criterion data to be added in the POI data storehouse；
Data fusion unit, for carrying out fusion treatment to the matched POI data of the POI criterion data, with melting
The POI data that conjunction handles to obtain updates the POI data of the matching.
The method of the generation POI data provided in the embodiment of the present invention, the POI initial data of separate sources can be carried out
Processing obtains POI criterion data, and when the POI criterion data are not present in POI data storehouse, directly by the POI criterion number
According to storing into POI data storehouse, exist in POI data storehouse when describing same POI POI data with the POI criterion data, it is right
The POI criterion data and the POI data carry out fusion treatment, and the POI data obtained with fusion treatment updates the POI of the matching
Data.Using technical solution of the present invention, on the one hand, the POI initial data to separate sources for not only realizing automation is carried out
Processing, to obtain POI data, POI initial data is only gathered to obtain POI data by artificial field operation on the spot with prior art
Mode is compared, and improves the formation speed and efficiency of POI data, but also timely enrich POI data storehouse；On the other hand, exist
Exist in POI data storehouse when describing same POI POI data with the POI criterion data, to the normal data and the POI data
Carry out fusion treatment, the information and accuracy of further abundant POI data so that POI data more can completely, accurately
POI is described, improves the quality of POI data.
Brief description of the drawings
Fig. 1 is that one of method flow diagram of POI data is generated in the embodiment of the present invention；
Fig. 2 is the two of the method flow diagram that POI data is generated in the embodiment of the present invention；
Fig. 3 is the three of the method flow diagram that POI data is generated in the embodiment of the present invention；
Fig. 4 is the four of the method flow diagram that POI data is generated in the embodiment of the present invention；
Fig. 5 is the five of the method flow diagram that POI data is generated in the embodiment of the present invention；
Fig. 6 is the six of the method flow diagram that POI data is generated in the embodiment of the present invention；
Fig. 7 is the seven of the method flow diagram that POI data is generated in the embodiment of the present invention；
Fig. 8 is the method flow for being matched normal data with the POI data in POI data storehouse in the embodiment of the present invention
Figure；
Fig. 9 is that one of structural representation of POI data device is generated in the embodiment of the present invention；
Figure 10 is the two of the structural representation that POI data device is generated in the embodiment of the present invention；
Figure 11 is the three of the structural representation that POI data device is generated in the embodiment of the present invention；
Figure 12 is the four of the structural representation that POI data device is generated in the embodiment of the present invention；
Figure 13 is the five of the structural representation that POI data device is generated in the embodiment of the present invention；
Figure 14 is the six of the structural representation that POI data device is generated in the embodiment of the present invention；
Figure 15 is the seven of the structural representation that POI data device is generated in the embodiment of the present invention.
Embodiment
For present in the mode of existing generation POI data when extend, the low technical problem of efficiency, the embodiment of the present invention
A kind of method and device for generating POI data is provided, generation POI is improved in the case where saving human and material resources resource to realize
Speed, efficiency and the quality of data.
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
It is the method flow diagram that POI data is generated in the embodiment of the present invention referring to Fig. 1, this method includes：
Step 101, obtain POI initial data.
Step 102, the field according to corresponding to the source of POI initial data set rule, and the POI initial data is entered
Row processing, obtains POI criterion data.
Step 103, the POI data in preset POI data storehouse, matching describe same with the POI criterion data
POI POI data, step 104 is performed less than if if matching, step 105 is performed if matching.
Step 104, by the POI criterion data be added to the POI data storehouse in.
Step 105, the POI data matched to the POI criterion data carry out fusion treatment, are obtained with fusion treatment
POI data update the POI data of the matching.
In the embodiment of the present invention, POI initial data can be traditional data collected on the spot by outdoor workers,
The data of business cooperation, network capture error correction data of obtained data and user feedback etc., and wherein network captures obtained POI
Initial data has the characteristics of depth information enriches.The data format of the POI initial data of separate sources may be different, such as source
The form of 1 POI initial data is " title+address+phone+... ", and the form of the POI initial data in source 2 is " title+city
City's code+phone+address ", even and identical field, its form may also differ to, such as telephone number, source 1
The form of telephone number is 010-80004000, and the form of the telephone number in source 2 is 010-8000-4000, the phone in source 3
The form of number is 01080004000.Therefore, it is necessary to handle the POI initial data of separate sources, to obtain that there is system
The POI criterion data of one form.Specifically, need to analyze the POI initial data of separate sources in advance, obtain each source
Data format, for each POI data source generation corresponding to data field set rule, and prestore POI data source with
Derived data field sets the corresponding relation of rule.After the step 101 of the flow described in earlier figures 1, including step 101a
With step 101b, step 102 now can be substituted with following step 1021~step 1022, as shown in Fig. 2 wherein：
Step 101a, the source of POI initial data is obtained；
Step 101b, in the corresponding relation of rule being set with derived data field in the POI data source to prestore, institute is searched
State field corresponding to the source of POI initial data and rule is set；
Step 1021, according to corresponding to the source of the POI initial data field set rule, from the POI original numbers
According to the content of middle extraction respective field；
Step 1022, by the content of the field extracted according to POI data Ku Zhong POI datas format organization into POI criterion
Data.
Preferably, to ensure the validity of the POI criterion data of generation, the step of method flow described in earlier figures 2
Also include step 1021a~step 1021b between 1021 and step 1022, as shown in figure 3, wherein：
Step 1021a, judge whether do not include address and latitude and longitude coordinates in the content of the extraction field, if then holding
Row step 1021b, otherwise perform step 1022；
Step 1021b, it is invalid data to determine the POI initial data, abandons the POI initial data.
Preferably, to ensure the information integrity of the normal data of generation, in the flow chart shown in earlier figures 3, in step
Also include step 1022a~step 1022b after rapid 1022, as shown in figure 4, wherein：
Step 1022a, judge field of the POI criterion data with the presence or absence of content for sky, if being not present, perform step
Rapid 103, if in the presence of execution step 1022b；
Step 1022b, according to the content of field relevant with the field that content is sky in the POI criterion data, obtain
Content is the content of empty field, and the content got is added into the corresponding field of POI criterion data, and is held
Row step 103.
Abovementioned steps 1022b, specially perform following any one or more operations：If A, content for it is empty be address word
Section, then obtain address, and the ground that will be obtained using latitude and longitude coordinates of the inverse geocoding algorithm in latitude and longitude coordinates field
Location is added in the address field of the POI criterion data；If B, content for it is empty be latitude and longitude coordinates field, compiled using geography
Address of the code algorithm in address field, latitude and longitude coordinates are obtained, and the latitude and longitude coordinates of acquisition are added into the POI and marked
In the latitude and longitude coordinates field of quasi- data；If C, content for it is empty be classification field, according to the name in the POI criterion data
Claim field to judge the classification of the POI, and obtain code corresponding to the classification, the code of acquisition is added into the POI marks
In the classification field of quasi- data.
In the embodiment of the present invention, POI criterion data include Back ground Information field, and wherein Back ground Information field includes POI names
Title, address, latitude and longitude coordinates, generic（Such as parking lot, gas station, restaurant, market）With phone etc..Preferably, to carry
High POI criterion data it is rich, the POI criterion data in the embodiment of the present invention further include depth information field,
The wherein comment information of depth information field including POI, profile information, picture, internal environment, periphery is ridden website etc..
Preferably, further to improve the accuracy of the Back ground Information field of the POI data after fusion treatment, according to history
Data analyze the priority in each source of each Back ground Information field in advance, that is, pre-establish field and the priority in source
Corresponding relation.It is respectively source A, source B, source C such as to describe the source of same POI three datas respectively, with regard to basis letter
For the latitude and longitude coordinates field for ceasing field, the accuracies of the latitude and longitude coordinates of three data be followed successively by from high to low source B,
Source A, source C, then source A, source B, source C the priority of latitude and longitude coordinates field be followed successively by from high to low source B, come
Source A, source C；For address field, the address field accuracy of three data be followed successively by from high to low source A, source C,
Source B, then source A, source B, source C be followed successively by source A, source C, source B from high to low in the priority of address field, according to
This analogizes.Therefore, in abovementioned steps 105, the POI data matched to the POI criterion data carries out fusion treatment, specifically
Including：The basic of POI data that the source of each field in the Back ground Information field of acquisition POI criterion data is matched is believed
Cease the source of the corresponding field in field；If source is inconsistent, from the corresponding relation of the priority in preset field and source
The priority in the source of the priority in the source of the middle field for obtaining POI criterion data and the field of the POI data, will
The content of the high field of priority is defined as the content of corresponding field in the basic field for the POI data that fusion treatment obtains；If
Source is consistent, then using the POI criterion data or with the content of the field of the POI data of the POI criterion Data Matching as melting
Conjunction handles the content of the corresponding field of obtained POI data.
Preferably, further to improve the rich of depth information field, abovementioned steps 105 are to the POI criterion data
Matched POI data carries out fusion treatment, still further comprises：By in the depth information field of the POI criterion data
Each field the matched POI data of content depth information field in the content of corresponding field merge place
Reason, the content that merging treatment is obtained are defined as the corresponding field in the depth information field for the POI data that fusion treatment obtains
Content.In the embodiment of the present invention, if merging treatment refers to the content of the certain field of POI criterion data with matching POI data
Respective field content it is consistent, then retain corresponding word of the content as the POI data after fusion treatment of one of field
The content of section, if respective field of the content of certain field with matching POI data is inconsistent, two fields of reservation it is interior
Hold, and using the content of two fields as the POI data after fusion treatment corresponding field content.
In the embodiment of the present invention, the specific implementation of step 103 can be as follows：Calculate the Back ground Information of the POI criterion data
The similarity of field and the Back ground Information field of each POI data in the POI data storehouse；When the similarity being calculated
During respectively less than preset similarity threshold, it is determined that matching is less than the POI numbers that same POI is described with the POI criterion data
According to；When at least one similarity being calculated is more than or equal to the similarity threshold, then by similarity maximum one
POI data corresponding to individual is defined as describing same POI POI data with the POI criterion data.The embodiment of the present invention is fallen into a trap
Calculating the similarity of the Back ground Information field and the Back ground Information field of the POI data of POI criterion data can be calculated as follows：It is first
First, for each field in the Back ground Information field of POI criterion data, the Back ground Information of the field and POI data is calculated
The similarity of respective field in field；Then, then calculate each field similarity average value（Such as geometrical mean or calculation
Art average value）Or and value；Finally, using the average value or and value as the POI criterion data Back ground Information field and POI
The similarity of the Back ground Information field of data.
The embodiment of the present invention, can be periodically or regularly（, can be according to need such as a week, two weeks or one month
Flexibly to set）POI initial data is obtained from each source, the POI initial data of this acquisition is stored to for storing POI marks
In the memory space of quasi- data and POI initial data；The POI initial data that the memory space once obtains before also retaining, this
POI initial data, a preceding POI initial data and the class data of normal data three are respectively stored in the different zones of memory space
In block.
Preferably,, can will in the embodiment of the present invention to improve the speed and efficiency that are handled POI initial data
The POI initial data that this is obtained is compared with the preceding POI initial data once obtained, only to newly increasing or having modification
Original POI initial data is handled, therefore, between the step 101 and step 102 of the method flow shown in earlier figures 1, also
It may include following steps 101A~step 101B, as shown in Figure 5：
Step 101A, the POI initial data of this acquisition and the preceding POI initial data once obtained from each source are carried out
Compare, the status indication of the POI initial data obtained according to comparative result to this and the previous time is configured；
Step 101B, the status indication of the POI initial data of this acquisition is extracted, when the state of the POI initial data
During labeled as newly-increased mark or modification mark, the step 102 is performed.When the status indication of POI initial data marks to delete
When, terminate flow.
In abovementioned steps 101A, the status indication of the POI initial data obtained according to comparative result to this and the previous time
It is configured, specifically includes：For each POI initial data of this acquisition, following steps are performed：What if this was obtained
In the POI initial data that POI initial data once obtains before being not included in, then by the state of the POI initial data of this acquisition
Mark is arranged to newly-increased mark；If this POI initial data obtained is included in the previous POI initial data obtained and word
Section has renewal, then the status indication of the POI initial data of this acquisition is arranged into modification mark, if field does not update,
The status indication of the POI initial data of this acquisition is not handled；And if the preceding POI initial data once obtained not
Included in the POI initial data of this acquisition, then the status indication of the preceding POI initial data once obtained is arranged to delete
Mark.
Preferably, after the step 102 shown in earlier figures 5, further comprising the steps of 102A~step 102D, such as Fig. 6
It is shown：
Step 102A, the status indication for the POI criterion data that this is obtained is arranged to corresponding POI initial data
Status indication it is consistent；
Step 102B, the status indication that this is obtained is added to for storing POI for the POI criterion data of newly-increased mark
In the memory space of normal data；
Step 102C, the status indication obtained with this is that the POI criterion data of modification mark replace the memory space
In corresponding POI criterion data；
Step 102D, the POI initial data of mark will be deleted in memory space with preceding once obtaining and status indication
The status indication of corresponding POI criterion data is revised as deleting mark.
It is as follows to lift an instantiation：The preceding POI initial data that once obtains is A, B, C, this POI initial data obtained
For A, B, D, E, wherein this A has field renewal compared with previous A, and this B fields compared with a preceding B do not change.
The POI initial data once obtained before comparing and POI initial data of this acquisition understand that D and E are newly-increased data, then by D and
E status indication is arranged to newly-increased mark, and the status indication of normal data D ' and E ' corresponding to D and E are also configured as increasing newly
Mark；A has renewal, then A status indication is arranged into modification mark, and the status indication of normal data A ' corresponding to A is set
It is set to modification mark；C is the data for needing to delete, therefore C status indication is arranged to delete and marked, and will mark corresponding to C
Quasi- data C ' status indication is arranged to delete mark.By D ' and E ' it is added in memory space；A ' is replaced in memory space
Corresponding normal data.
Preferably, for further optimization and POI data in POI data storehouse is expanded, the embodiment of the present invention, when this is obtained
The status indication of POI criterion data marks for modification, and can be matched and the POI criterion data in preset POI data storehouse
When describing same POI POI data, step 105A~step 105B, such as Fig. 7 is also included in the flow shown in earlier figures 6
It is shown：
Step 105A, judge with the successful POI data of POI criterion Data Matching whether be before once with the POI
The normal data POI data that the match is successful, if then terminating flow, otherwise perform step 105B；
Step 105B, by once POI data same with the POI criterion Data Matching and shape before in the memory space
State is labeled as other POI criterion data of non-delete mark, is matched respectively with the POI data in the POI data storehouse, and
When matching POI data, perform the POI data matched to other POI criterion data and carry out fusion treatment, with melting
The step of POI data that conjunction handles to obtain updates the POI data of the matching.
In specific practical application, in the embodiment of the present invention, certain POI in POI criterion data and POI data storehouse
During Data Matching, the basic ID of the POI criterion data is arranged to the ID of matched POI data in memory space.
When carrying out matching treatment to the POI data in the POI criterion data in memory space and POI data storehouse, POI marks are read first
The status indication of quasi- data, the POI criterion data to status indication for newly-increased mark, directly by the POI criterion data and POI numbers
Matched according to storehouse；To status indication to delete the POI criterion data of mark, without matching treatment；It is to repair to status indication
Change the POI criterion data of mark, the POI criterion data are matched again with POI data storehouse, and this and POI criterion
The data POI data that the match is successful again with it is preceding once with the successful POI data of POI criterion Data Matching it is inconsistent when, will
Once with the POI criterion Data Matching in other POI criterion data of same POI data before in memory space（That is other POI
Normal data refers to the POI criterion data that basic ID is consistent with the basic ID of the POI criterion data in memory space）, respectively
Matched again with the POI data in the POI data storehouse, and when the match is successful, to other described POI criterion data with
Its POI data matched carries out fusion treatment, and the POI data obtained with fusion treatment updates the POI data of the matching.
Those skilled in the art are made to be easier to understand POI criterion data and POI numbers in the embodiment of the present invention to be further
According to matching process, aforementioned process is described in detail with reference to specific flow chart.
It is the side that POI criterion data are matched with the POI data in POI data storehouse in the embodiment of the present invention referring to Fig. 8
Method flow chart, this method include：
Step 8001, the status indication for obtaining current POI criterion data；
Step 8002, judge whether the status indication is newly-increased mark, if then performing step 8003, otherwise perform step
Rapid 8004；
Step 8003, current POI criterion data are matched with the POI data in POI data storehouse, and perform step
8010；
Step 8004, judge whether the status indication is to delete mark, if otherwise performing step 8005, otherwise perform step
Rapid 8010；
Step 8005, judge whether the status indication is modification mark, if then performing step 8006, otherwise perform step
Rapid 8010；
Step 8006, current POI criterion data are matched again with the POI data in POI data storehouse；
Step 8007, judge with the POI data of current POI criterion Data Matching with it is preceding once with POI criterion Data Matching
POI data it is whether consistent, if inconsistent perform step 8008, otherwise perform step 8010；
Step 8008, obtain from memory space it is all with current POI criterion Data Matching in same POI data other
POI criterion data（Other POI marks that all basic ID are consistent with the basic ID of current POI criterion data i.e. in memory space
Quasi- data）；
Step 8009, other each POI criterion data are matched again with the POI data in POI data storehouse.
Step 8010, judge whether current POI criterion data are the last item POI criterion data in memory space, if
It is to terminate flow, if otherwise being performed using next POI criterion data in memory space as current POI criterion Data duplication
Step 8001.
In the embodiment of the present invention, the POI criterion data being stored in memory space are mainly used for as various application interfaces
Call and data supporting, such as renewal in POI data storehouse, search engine, data statistics are provided.
Based on the same idea of preceding method flow, the embodiment of the present invention also provides a kind of device for generating POI data, should
The structure of device as shown in figure 9, including：
Initial data acquiring unit 901, for obtaining POI initial data；
Data generating unit 902, rule is set for the field corresponding to the source according to POI initial data, to described
POI initial data is handled, and obtains POI criterion data；
First matching unit 903, for the POI data in preset POI data storehouse, matching and the POI criterion number
According to the POI data for describing same POI, the first memory cell 904 is triggered less than if if matching, trigger data is melted if matching
Close unit 905；
First memory cell 904, for the POI criterion data to be added in the POI data storehouse；
Data fusion unit 905, for carrying out fusion treatment to the matched POI data of the POI criterion data, use
The POI data that fusion treatment obtains updates the POI data of the matching；
In the embodiment of the present invention, also include source acquiring unit 906 on the device shown in earlier figures 9 and field sets rule
Then searching unit 907, the data generating unit 902 include field contents extraction subelement 9021 and data generation subelement
9022, as shown in Figure 10, wherein：
Source acquiring unit 906, after obtaining POI initial data in the initial data acquiring unit 901, obtain
The source of POI initial data；
Field sets rule searching unit 907, for setting rule in the POI data source to prestore and derived data field
Corresponding relation in, search corresponding to the source of the POI initial data field and rule be set；
Field contents extract subelement 9021, and rule are set for field corresponding to the source according to the POI initial data
Then, the content of respective field is extracted from the POI initial data；
Data generate subelement 9022, for by the content of field that field contents extraction subelement 9021 extracts according to
POI data Ku Zhong POI datas format organization is into POI criterion data.
Preferably, in the embodiment of the present invention, the device shown in Figure 10 also includes the first judging unit 908, as shown in figure 11,
Wherein：
First judging unit 908, it is for judging that the field contents extraction subelement 9021 is extracted in the content of field
It is no not include address and latitude and longitude coordinates, if then determining that the POI initial data is invalid data, it is original to abandon the POI
Data, if otherwise trigger data generation subelement 9022.
Preferably, in the embodiment of the present invention, the device shown in Figure 11 also includes the second judging unit 909 and field supplement is single
Member 910, as shown in figure 12, wherein：
Second judging unit 909, POI is obtained for the data generation subelement 9022 in the data generating unit 902
After normal data, field of the POI criterion data with the presence or absence of content for sky is judged, if in the presence of trigger fields supplement
Unit 910, the first matching unit 903 is triggered if in the absence of field of the content for sky；
Field supplementary units 910, according in field relevant with the field that content is sky in the POI criterion data
Hold, obtain content of the content for empty field, and the content got is added to and arrives the corresponding field of POI criterion data
In, and trigger the first matching unit 903.
The field supplementary units 910, are specifically used for：If content is address field or longitude and latitude field for sky, adopt
Address is obtained with latitude and longitude coordinates of the inverse geocoding algorithm in latitude and longitude coordinates field, and obtained address is added to
Address in the address field of the POI criterion data or using geocoding algorithm in address field, obtains longitude and latitude
Coordinate, and the latitude and longitude coordinates of acquisition are added in the latitude and longitude coordinates field of the POI criterion data；
And/or
If content is classification field for sky, the name field in the POI criterion data judges the POI's
Classification, and code corresponding to the classification is obtained, the code of acquisition is added in the classification field of the POI criterion data.
Preferably, the POI criterion data include Back ground Information field, and the data fusion unit 905 is marked to the POI
The matched POI data of quasi- data carries out fusion treatment, is specifically used for：
Obtain the base of the matched POI data in source of each field in the Back ground Information field of POI criterion data
The source of corresponding field in plinth information field, it is corresponding with the priority in source from preset field if source is inconsistent
The preferential of the source of the priority in the source of the field of POI criterion data and the field of the POI data is obtained in relation
Level, the content of the high field of priority is defined as in the basic field for the POI data that fusion treatment obtains in corresponding field
Hold.
Preferably, the POI criterion data also include depth information field, and the data fusion unit 905 is to the POI
The matched POI data of normal data carries out fusion treatment, is further used for：
By the matched POI data of the content of each field in the depth information field of the POI criterion data
The content of corresponding field in depth information field merges processing, and the content that merging treatment is obtained is defined as fusion treatment
The content of corresponding field in the depth information field of obtained POI data.
Preferably, first matching unit 903 is specifically used for：Calculate the Back ground Information field of the POI criterion data
With the similarity of the Back ground Information field of each POI data in the POI data storehouse；
When the similarity being calculated is respectively less than preset similarity threshold, it is determined that matching is marked less than with the POI
Quasi- data describe same POI POI data；
, then will be maximum in similarity when at least one similarity being calculated is more than or equal to the similarity threshold
A corresponding POI data be defined as describing same POI POI data with the POI criterion data.
Preferably, in the embodiment of the present invention, the device shown in Fig. 9 also includes first state flag setting unit 911 and shape
State marks acquiring unit 912, as shown in figure 13, wherein：
The POI initial data acquiring unit 901, is applied particularly to：It is former periodically or regularly from each source to obtain POI
Beginning data；
First state flag setting unit 911, for the POI that this is obtained by the POI initial data acquiring unit 901
Initial data is compared with the preceding POI initial data once obtained from each source, according to comparative result to this and the previous time
The status indication of the POI initial data of acquisition is configured；
Status indication acquiring unit 912, the status indication of the POI initial data for extracting this acquisition, as the POI
When the status indication of initial data is increases mark or modification mark newly, the data generating unit 902 is triggered.
Preferably, the POI that the first state flag setting unit 911 obtains according to comparative result to this and the previous time
The status indication of initial data is configured, and is specifically used for：
For each POI initial data of this acquisition, following steps are performed：If this POI initial data obtained
In the POI initial data once obtained before being not included in, then the status indication of the POI initial data of this acquisition is arranged to new
Increase mark；If this POI initial data obtained is included in the previous POI initial data obtained and field has renewal,
The status indication of the POI initial data of this acquisition is arranged to modification mark, if field does not update, this not obtained
The status indication of POI initial data handled；
If the preceding POI initial data once obtained is not included in the POI initial data of this acquisition, once obtained preceding
The status indication of the POI initial data taken is arranged to delete mark.
Preferably, in the embodiment of the present invention, the second status indication setting unit is also included in the device shown in Figure 13
913rd, the second memory cell 914, data updating unit 915, as shown in figure 14, wherein：
Second status indication setting unit 913, after obtaining POI criterion data in the data generating unit 902,
The status indication that the status indication for the POI criterion data that this is obtained is arranged to corresponding POI initial data is consistent；
Second memory cell 914, the status indication for this to be obtained are added to for the POI criterion data of newly-increased mark
In memory space for storing POI criterion data and POI initial data；
Data updating unit 915, the status indication for being obtained with this are that the POI criterion data of modification mark replace institute
State corresponding POI criterion data in memory space；And it will be deleted in memory space with preceding once obtaining and status indication
The status indication of POI criterion data corresponding to the POI initial data of mark is revised as deleting mark.
Preferably, in the embodiment of the present invention, when the POI criterion data that this is obtained status indication for modification mark, and
Can be matched in preset POI data storehouse with the POI criterion data same POI POI data is described when, shown in Figure 14
Device in also include the 3rd judging unit 916 and the second matching unit 917, as shown in figure 15, wherein：
3rd judging unit 916, whether it is previous for judging with the successful POI data of POI criterion Data Matching
The secondary and successful POI data of POI criterion Data Matching, if otherwise triggering the second matching unit 917；
Second matching unit 917, for will be once same with the POI criterion Data Matching before in the memory space
POI data and status indication are other POI criterion data of non-delete mark, respectively with the POI data in the POI data storehouse
Matched, and the trigger data integrated unit 905 when matching POI data；
Data Fusion unit 905 is further used for, the POI data matched to other POI criterion data
Fusion treatment is carried out, the POI data obtained with fusion treatment updates the POI data of the matching.
The method of the generation POI data provided in the embodiment of the present invention, the POI initial data of separate sources can be carried out
Processing obtains POI criterion data, and when the POI criterion data are not present in POI data storehouse, directly by the POI criterion number
According to storing into POI data storehouse, exist in POI data storehouse when describing same POI POI data with the POI criterion data, it is right
The POI criterion data and the POI data carry out fusion treatment, and the POI data obtained with fusion treatment updates the POI of the matching
Data.Using technical solution of the present invention, on the one hand, the POI initial data to separate sources for not only realizing automation is carried out
Processing, to obtain POI data, POI initial data is only gathered to obtain POI data by artificial field operation on the spot with prior art
Mode is compared, and improves the formation speed and efficiency of POI data, but also timely enrich POI data storehouse；On the other hand, exist
Exist in POI data storehouse when describing same POI POI data with the POI criterion data, to the normal data and the POI data
Carry out fusion treatment, the information and accuracy of further abundant POI data so that POI data more can completely, accurately
POI is described, improves the quality of POI data.
It should be noted that herein, such as first and second or the like relational terms are used merely to a reality
Body or operation make a distinction with another entity or operation, and not necessarily require or imply and deposited between these entities or operation
In any this actual relation or order.Moreover, term " comprising ", "comprising" or its any other variant are intended to
Nonexcludability includes, so that process, method, article or equipment including a series of elements not only will including those
Element, but also the other element including being not expressly set out, or it is this process, method, article or equipment also to include
Intrinsic key element.In the absence of more restrictions, the key element limited by sentence "including a ...", it is not excluded that
Other identical element also be present in process, method, article or equipment including the key element.
The present invention can be described in the general context of computer executable instructions, such as program
Module.Usually, program module includes performing particular task or realizes routine, program, object, the group of particular abstract data type
Part, data structure etc..The present invention can also be put into practice in a distributed computing environment, in these DCEs, by
Task is performed and connected remote processing devices by communication network.In a distributed computing environment, program module can be with
In the local and remote computer-readable storage medium including storage device.
Obviously, those skilled in the art can carry out the essence of various changes and modification without departing from the present invention to the present invention
God and scope.So, if belonging to the model of the claims in the present invention and its equivalent technologies to these modifications and variations of the present invention
Within enclosing, then the present invention is also intended to comprising including these changes and modification.
Claims (22)
- A kind of 1. method for generating POI data, it is characterised in that including：Obtain POI initial data；Field according to corresponding to the source of POI initial data sets rule, and the POI initial data is handled, obtained POI criterion data, it is specially：Rule is set according to field corresponding to the source of the POI initial data, corresponding word is extracted from the POI initial data The content of section；By the content of the field extracted according to POI data Ku Zhong POI datas format organization into POI criterion data；POI data in preset POI data storehouse, matching describe same POI POI data with the POI criterion data；If matching less than, by the POI criterion data be added to the POI data storehouse in；If matching, the POI data matched to the POI criterion data carries out fusion treatment, is obtained with fusion treatment POI data update the POI data of the matching；The POI criterion data include Back ground Information field, and the POI data matched to the POI criterion data is melted Conjunction is handled, and is specifically included：Obtain the matched POI in the source of each field in the Back ground Information field of POI criterion data The source of corresponding field in the Back ground Information field of data, if source is inconsistent, from the preferential of preset field and source The field of the priority in the source of the field of acquisition POI criterion data and the POI data comes in the corresponding relation of level The priority in source, the content of the high field of priority is defined as in the basic field for the POI data that fusion treatment obtains corresponding The content of field.
- 2. according to the method for claim 1, it is characterised in that after obtaining POI initial data, in addition to：Obtain the source of POI initial data；During the corresponding relation of rule is set with derived data field in the POI data source to prestore, the POI initial data is searched Source corresponding to field set rule.
- 3. according to the method for claim 2, it is characterised in that extracted from the POI initial data in respective field After appearance, in addition to：Judge whether do not include address and latitude and longitude coordinates in the content of the extraction field；If, it is determined that the POI initial data is invalid data, abandons the POI initial data；If it is not, described in then performing By the field contents extracted according to the format organization of the POI data in POI data storehouse into POI criterion data the step of.
- 4. according to the method for claim 3, it is characterised in that after POI criterion data are obtained, in addition to：Field of the POI criterion data with the presence or absence of content for sky is judged, if in the presence of according in the POI criterion data The content of the field relevant with the field that content is sky, content of the content for empty field is obtained, and the content got is added Add in the corresponding field of POI criterion data.
- 5. according to the method for claim 4, it is characterised in that according to relevant with null field in the POI criterion data The content of field, the content of null field is obtained, and the content of acquisition is added into the null field, specifically included：If content is address field or longitude and latitude field for sky, using inverse geocoding algorithm according to latitude and longitude coordinates field In latitude and longitude coordinates obtain address, and obtained address is added in the address field of the POI criterion data, or use Address of the geocoding algorithm in address field, latitude and longitude coordinates are obtained, and the latitude and longitude coordinates of acquisition are added into institute In the latitude and longitude coordinates field for stating POI criterion data；And/orIf content is classification field for sky, the name field in the POI criterion data judges the class of the POI Not, and code corresponding to the classification is obtained, the code of acquisition is added in the classification field of the POI criterion data.
- 6. according to the method for claim 1, it is characterised in that the POI criterion data also include depth information field, right The matched POI data of the POI criterion data carries out fusion treatment, in addition to：By the depth of the matched POI data of the content of each field in the depth information field of the POI criterion data The content of corresponding field in information field merges processing, and the content that merging treatment is obtained is defined as fusion treatment and obtained POI data depth information field in corresponding field content.
- 7. according to the method for claim 1, it is characterised in that the POI data in preset POI data storehouse, matching with The POI criterion data describe same POI POI data, specifically include：Calculate the Back ground Information field of the POI criterion data and the basis letter of each POI data in the POI data storehouse Cease the similarity of field；When the similarity being calculated is respectively less than preset similarity threshold, it is determined that matching less than with the POI criterion number According to the POI data for describing same POI；When at least one similarity being calculated is more than or equal to the similarity threshold, then by similarity maximum one POI data corresponding to individual is defined as describing same POI POI data with the POI criterion data.
- 8. according to the method for claim 1, it is characterised in that the acquisition POI initial data, be specially：Periodically or Regularly POI initial data is obtained from each source；After POI initial data is got, in addition to：By the POI initial data of this acquisition with it is preceding once from the POI initial data of each source acquisition compared with, according to comparing As a result the status indication of the POI initial data obtained to this and the previous time is configured；The status indication of the POI initial data of this acquisition is extracted, when the status indication of the POI initial data is newly-increased mark Or during modification mark, perform the field according to corresponding to the source of POI initial data and rule is set, it is original to the POI Data are handled, and obtain POI criterion data step.
- 9. according to the method for claim 8, it is characterised in that the POI obtained according to comparative result to this and the previous time The status indication of initial data is configured, and is specifically included：For each POI initial data of this acquisition, following steps are performed：If this POI initial data obtained is not wrapped In the POI initial data once obtained before being contained in, then the status indication of the POI initial data of this acquisition is arranged to newly-increased mark Note；If this POI initial data obtained is included in the previous POI initial data obtained and field has renewal, it incite somebody to action this The status indication of the POI initial data of secondary acquisition is arranged to modification mark, if field does not update, not to this acquisition The status indication of POI initial data is handled；If the preceding POI initial data once obtained is not included in the POI initial data of this acquisition, once obtained preceding The status indication of POI initial data is arranged to delete mark.
- 10. according to the method for claim 9, it is characterised in that after obtaining POI criterion data, in addition to：The status indication for the POI criterion data that this is obtained is arranged to the status indication one of corresponding POI initial data Cause；The status indication that this is obtained is added to for storing POI criterion data and POI for the POI criterion data of newly-increased mark In the memory space of initial data；And the POI criterion data that the status indication obtained with this is modification mark are replaced corresponding in the memory space POI criterion data；And it will be deleted in memory space with preceding once obtaining and status indication corresponding to the POI initial data of mark The status indication of POI criterion data is revised as deleting mark.
- 11. according to the method for claim 10, it is characterised in that when the status indication for the POI criterion data that this is obtained Marked for modification, and the POI data that same POI is described with the POI criterion data can be matched in preset POI data storehouse When, method also includes：Judge with the successful POI data of POI criterion Data Matching whether be before once with the POI criterion Data Matching into The POI data of work(；If it is not, then by once POI data same with the POI criterion Data Matching and status indication before in the memory space For other POI criterion data of non-delete mark, matched respectively with the POI data in the POI data storehouse, and matching During to POI data, perform the POI data matched to other POI criterion data and carry out fusion treatment, use fusion treatment Obtained POI data updates the step of POI data of the matching.
- A kind of 12. device for generating POI data, it is characterised in that including：Initial data acquiring unit, for obtaining POI initial data；Data generating unit, rule is set for the field corresponding to the source according to POI initial data, it is original to the POI Data are handled, and are obtained POI criterion data, are specifically included：Field contents extract subelement, rule are set for field corresponding to the source according to the POI initial data, from described The content of respective field is extracted in POI initial data；Data generate subelement, for field contents to be extracted to the content for the field that subelement extracts according in POI data storehouse POI data format organization is into POI criterion data；First matching unit, for the POI data in preset POI data storehouse, matching and POI criterion data description are same One POI POI data, the first memory cell is triggered less than if if matching, the trigger data integrated unit if matching；First memory cell, for the POI criterion data to be added in the POI data storehouse；Data fusion unit, for carrying out fusion treatment to the matched POI data of the POI criterion data, at fusion Manage the POI data that obtained POI data updates the matching；The POI criterion data include Back ground Information field, and the data fusion unit is matched to the POI criterion data POI data carry out fusion treatment, be specifically used for：The basic of POI data that the source of each field in the Back ground Information field of acquisition POI criterion data is matched is believed The source of the corresponding field in field is ceased, if source is inconsistent, from the corresponding relation of the priority in preset field and source The priority in the source of the priority in the source of the middle field for obtaining POI criterion data and the field of the POI data, will The content of the high field of priority is defined as the content of corresponding field in the basic field for the POI data that fusion treatment obtains.
- 13. device according to claim 12, it is characterised in that device also includes：Source acquiring unit, after obtaining POI initial data in the initial data acquiring unit, obtain POI original numbers According to source；Field sets rule searching unit, for setting the corresponding of rule with derived data field in the POI data source to prestore In relation, search field corresponding to the source of the POI initial data and rule is set.
- 14. device according to claim 13, it is characterised in that described device also includes：First judging unit, for judging that the field contents extraction subelement extracts in the content of field whether do not include address And latitude and longitude coordinates, if then determining that the POI initial data is invalid data, the POI initial data is abandoned, if otherwise touching Send out data generation subelement.
- 15. device according to claim 14, it is characterised in that device also includes：Second judging unit, after obtaining POI criterion data in data generation subelement, judge the POI criterion Data are empty field with the presence or absence of content, if in the presence of trigger fields supplementary units；Field supplementary units, according to the content in the POI criterion data with content for the relevant field of empty field, in acquisition Hold the content of the field for sky, and the content got is added into the corresponding field of POI criterion data.
- 16. device according to claim 15, it is characterised in that the field supplementary units, be specifically used for：If content is address field or longitude and latitude field for sky, using inverse geocoding algorithm according to latitude and longitude coordinates field In latitude and longitude coordinates obtain address, and obtained address added in the address field of the POI criterion data or used Address of the geocoding algorithm in address field, latitude and longitude coordinates are obtained, and the latitude and longitude coordinates of acquisition are added into institute In the latitude and longitude coordinates field for stating POI criterion data；And/orIf content is classification field for sky, the name field in the POI criterion data judges the class of the POI Not, and code corresponding to the classification is obtained, the code of acquisition is added in the classification field of the POI criterion data.
- 17. device according to claim 12, it is characterised in that the POI criterion data also include depth information field, The data fusion unit POI data matched to the POI criterion data carries out fusion treatment, is further used for：By the depth of the matched POI data of the content of each field in the depth information field of the POI criterion data The content of corresponding field in information field merges processing, and the content that merging treatment is obtained is defined as fusion treatment and obtained POI data depth information field in corresponding field content.
- 18. device according to claim 17, it is characterised in that first matching unit, be specifically used for：Calculate the Back ground Information field of the POI criterion data and the basis letter of each POI data in the POI data storehouse Cease the similarity of field；When the similarity being calculated is respectively less than preset similarity threshold, it is determined that matching less than with the POI criterion number According to the POI data for describing same POI；When at least one similarity being calculated is more than or equal to the similarity threshold, then by similarity maximum one POI data corresponding to individual is defined as describing same POI POI data with the POI criterion data.
- 19. device according to claim 12, it is characterised in that described device also includes first state flag setting unit With status indication acquiring unit；The POI initial data acquiring unit, is applied particularly to：Periodically or regularly POI initial data is obtained from each source；First state flag setting unit, for by the POI initial data acquiring unit this obtain POI initial data with The preceding POI initial data once obtained from each source is compared, and the POI obtained according to comparative result to this and the previous time is former The status indication of beginning data is configured；Status indication acquiring unit, the status indication of the POI initial data for extracting this acquisition, when the POI original numbers According to status indication for newly-increased mark or modification mark when, trigger the data generating unit.
- 20. device according to claim 19, it is characterised in that the first state flag setting unit according to compare knot The status indication for the POI initial data that fruit obtains to this and the previous time is configured, and is specifically used for：For each POI initial data of this acquisition, following steps are performed：If this POI initial data obtained is not wrapped In the POI initial data once obtained before being contained in, then the status indication of the POI initial data of this acquisition is arranged to newly-increased mark Note；If this POI initial data obtained is included in the previous POI initial data obtained and field has renewal, it incite somebody to action this The status indication of the POI initial data of secondary acquisition is arranged to modification mark, if field does not update, not to this acquisition The status indication of POI initial data is handled；If the preceding POI initial data once obtained is not included in the POI initial data of this acquisition, once obtained preceding The status indication of POI initial data is arranged to delete mark.
- 21. device according to claim 20, it is characterised in that also include：Second status indication setting unit, after obtaining POI criterion data in the data generating unit, this is obtained POI criterion data status indication be arranged to corresponding POI initial data status indication it is consistent；Second memory cell, the status indication for this to be obtained are added to for depositing for the POI criterion data of newly-increased mark In the memory space for storing up POI criterion data and POI initial data；Data updating unit, the status indication for being obtained with this are that the POI criterion data of modification mark replace the storage Corresponding POI criterion data in space；And mark will be deleted with preceding once obtaining and status indication in memory space The status indication of POI criterion data corresponding to POI initial data is revised as deleting mark.
- 22. device according to claim 21, it is characterised in that when the status indication for the POI criterion data that this is obtained Marked for modification, and the POI data that same POI is described with the POI criterion data can be matched in preset POI data storehouse When, described device also includes the 3rd judging unit and the second matching unit, wherein：3rd judging unit, for judge with the successful POI data of POI criterion Data Matching whether be it is preceding once with it is described The successful POI data of POI criterion Data Matching, if otherwise triggering the second matching unit；Second matching unit, for by before in the memory space once with the same POI data of POI criterion Data Matching And status indication be non-delete mark other POI criterion data, respectively with the POI data storehouse POI data carry out Match somebody with somebody, and the trigger data integrated unit when matching POI data；Data Fusion unit is further used for, and the POI data matched to other POI criterion data merges Processing, the POI data obtained with fusion treatment update the POI data of the matching.
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| CN104899243B (en) * | 2015-03-31 | 2016-09-07 | 北京安云世纪科技有限公司 | The method and device of detection point of interest POI data accuracy |
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