CN110413903A - Interest point information retrieves device and method in Vehicular navigation system - Google Patents
Interest point information retrieves device and method in Vehicular navigation system Download PDFInfo
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- CN110413903A CN110413903A CN201910608846.6A CN201910608846A CN110413903A CN 110413903 A CN110413903 A CN 110413903A CN 201910608846 A CN201910608846 A CN 201910608846A CN 110413903 A CN110413903 A CN 110413903A
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- Prior art keywords
- interest point
- point information
- keyword
- term
- near synonym
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
- G06F16/29—Geographical information databases
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/30—Information retrieval; Database structures therefor; File system structures therefor of unstructured textual data
- G06F16/33—Querying
- G06F16/3331—Query processing
- G06F16/334—Query execution
- G06F16/3344—Query execution using natural language analysis
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/90—Details of database functions independent of the retrieved data types
- G06F16/95—Retrieval from the web
- G06F16/953—Querying, e.g. by the use of web search engines
- G06F16/9537—Spatial or temporal dependent retrieval, e.g. spatiotemporal queries
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/90—Details of database functions independent of the retrieved data types
- G06F16/95—Retrieval from the web
- G06F16/953—Querying, e.g. by the use of web search engines
- G06F16/9538—Presentation of query results
Abstract
The embodiment of the invention discloses interest point informations in a kind of Vehicular navigation system to retrieve device and method, belongs to retrieval technique field.Wherein the retrieval device includes: that dictionary establishes module, processing module, retrieval module and display module, wherein the dictionary establishes module for establishing near synonym database；The processing module is used to receive the term of user's input, pre-process and determine to the term of input the keyword of term, finds the corresponding near synonym of keyword near synonym database according to keyword；The retrieval module is used to be retrieved according to the interest point information in keyword and corresponding near synonym over the ground chart database, is supplied to the display module after obtaining search result；The display module, which is used to show, exports the search result that the retrieval module provides.The present invention can effectively improve the accuracy rate of interest point information retrieval.
Description
Technical field
The present invention relates to retrieval technique field, in particular in a kind of Vehicular navigation system interest point information retrieval device and
Method.
Background technique
With the development of embedded computer and GIS-Geographic Information System, more and more vehicles, which start to install and use vehicle, is led
Boat system.Currently in order to preferably for user provide navigation Service, a large amount of interest point informations can be acquired, and by collected interest
Point information is added in electronic map, and each interest point information includes title, address, phone, coordinate etc., and subsequent user is wanted
Which point of interest, can be by inputting keyword in electronic map come searching interest point information.Interest point search can help user
Understand destination locations, peripheral facility situation, is the important component of Vehicular navigation system.
Existing interest point information retrieval, it is necessary first to the keyword that user inputs in address field is obtained, according to keyword
Stored interest point information is traversed in the database, and the interest point information traversed is shown to user.
But current interest point information retrieval usually only does literal meaning matching in the database to keyword, causes
Some points of interest with keyword equivalent can not often retrieve.For example, there is an entitled " four seasons wine in database
The point of interest in shop ", user can retrieve " Four Seasons Hotel " point of interest according to keyword " hotel ", but often search for less than
The similar point of interest such as " hotel " in database.In addition, existing interest point information retrieval can not also identify the mistake in keyword not
Word.Lower so as to cause the not comprehensive of existing interest point information retrieval, accuracy rate, user can not obtain using automobile navigation system
The good experience of system.
Summary of the invention
The present invention provides interest point information retrieval device and method in a kind of Vehicular navigation system, can effectively improve interest
The accuracy rate of point information retrieval.
The technical solution is as follows:
The embodiment of the invention provides interest point informations in a kind of Vehicular navigation system to retrieve device comprising: dictionary is built
Formwork erection block, processing module, retrieval module and display module, wherein the dictionary establishes module, with the retrieval module phase
Even, for establishing near synonym database；The processing module is connected with the retrieval module, for receiving the inspection of user's input
Rope word pre-process and determine to the term of input the keyword of term, according to keyword near synonym database
Find the corresponding near synonym of keyword；The retrieval module is connected with the display module, for according to keyword and corresponding
Interest point information of the near synonym over the ground in chart database is retrieved, and is supplied to the display module after obtaining search result；Institute
Display module is stated, for showing the search result for exporting the retrieval module and providing.
In preferred embodiments of the present invention, the dictionary establishes module and is also used to classify according near synonym to establish
Near synonym database including the near synonym in item name and classification, and the near synonym database is stored.
In preferred embodiments of the present invention, the processing module is also used to carry out identifying pre- place to the term of input
Reason, and according to the keyword for identifying that pre-processed results determine term.
In preferred embodiments of the present invention, the processing module is also used to carry out identification pretreatment to the term of input
It is pre-processed with participle, to obtain at least one participle, and segments the keyword for determining term according at least one.
In preferred embodiments of the present invention, it includes inciting somebody to action that the processing module, which carries out identification pretreatment to the term of input,
Wrong word in term is identified as correct word, the phonetic in term is identified as specific word.
In preferred embodiments of the present invention, the interest point information include interest point name, address, in phone at least
One.
In preferred embodiments of the present invention, after the retrieval module is also used to obtain search result, in search result
The interest point information retrieved is ranked up, by the interest point information retrieved relevant to keyword come front, will with it is close
The relevant interest point information retrieved of adopted word come below, and by the search result to have sorted be supplied to the display module into
Row display output, wherein the search result includes the interest point information retrieved relevant to keyword, related near synonym
The interest point information retrieved.
The embodiment of the invention also provides interest point information search methods in a kind of Vehicular navigation system comprising: it establishes
Near synonym database；The term for receiving user's input pre-process and determine to the term of input the key of term
Word finds the corresponding near synonym of keyword according to keyword near synonym database；According to keyword and corresponding near synonym
The interest point information in chart database is retrieved over the ground, obtains search result；Display exports the search result.
In preferred embodiments of the present invention, pre-process and determine to the term of input the keyword of term,
It include: that identification pretreatment and participle pretreatment are carried out to the term of input, to obtain at least one participle, and according at least one
It is a to segment the keyword for determining term.
In preferred embodiments of the present invention, display exports the search result, comprising: after obtaining search result, to inspection
The interest point information retrieved in hitch fruit is ranked up, before the interest point information retrieved relevant to keyword is come
Face comes the interest point information retrieved relevant near synonym below, and the search result to have sorted show defeated
Out, wherein the search result includes the interest point information retrieved relevant to keyword, relevant near synonym retrieves
Interest point information.
Technical solution provided in an embodiment of the present invention has the benefit that
By establishing near synonym database；The term for receiving user's input, pre-processes simultaneously the term of input
The keyword for determining term finds the corresponding near synonym of keyword according to keyword near synonym database；According to key
The interest point information of word and corresponding near synonym over the ground in chart database is retrieved, and search result is obtained；Described in display output
Search result.The present invention is no longer single only to be done matching to keyword and carrys out searching interest point, also to the near synonym of keyword
It does matching to be retrieved, can more intelligently, comprehensively retrieve the point of interest for meeting user demand, effectively increase interest
The accuracy rate of point information retrieval, the user experience is improved.
The above description is only an overview of the technical scheme of the present invention, in order to better understand the technical means of the present invention,
And it can be implemented in accordance with the contents of the specification, and in order to allow above and other objects, features and advantages of the invention can
It is clearer and more comprehensible, it is special below to lift preferred embodiment, and cooperate attached drawing, detailed description are as follows.
Detailed description of the invention
Fig. 1 is the main frame of interest point information retrieval device in the Vehicular navigation system of first embodiment of the invention offer
Block diagram；
Fig. 2 is the flow chart of interest point information search method in the Vehicular navigation system of second embodiment of the invention offer.
Specific embodiment
It is of the invention to reach the technical means and efficacy that predetermined goal of the invention is taken further to illustrate, below in conjunction with
Attached drawing and preferred embodiment, to its tool of interest point information retrieval device and method in Vehicular navigation system proposed according to the present invention
Body embodiment, structure, feature and effect, detailed description is as follows.
For the present invention aforementioned and other technology contents, feature and effect refer to the preferable reality of schema in following cooperation
Applying can clearly be presented in example detailed description.By the explanation of specific embodiment, when predetermined mesh can be reached to the present invention
The technical means and efficacy taken be able to more deeply and it is specific understand, however institute's accompanying drawings are only to provide with reference to and say
It is bright to be used, it is not intended to limit the present invention.
First embodiment
Fig. 1 is the main frame of interest point information retrieval device in the Vehicular navigation system of first embodiment of the invention offer
Block diagram.Interest point information retrieval device can effectively improve the accuracy rate of interest point information retrieval in the Vehicular navigation system.
Referring to Fig. 1, in the Vehicular navigation system interest point information retrieval device include: dictionary establish module 10, processing module 11,
Retrieval module 12, display module 13.
More specifically, dictionary establishes module 10, it is connected with retrieval module 12, for establishing near synonym database.
Wherein, near synonym database may include item name, near synonym in classification etc..Near synonym can be meaning phase
Closely, word equivalent in meaning or that the meaning is similar.Preferably, dictionary establish module 10 be also used to classify according near synonym with
The near synonym database including the near synonym in item name and classification is established, and near synonym database is stored.For example,
Dictionary establish module 10 can using hotel, hotel, hotel, hotel, inn as hotel category, can using hospital, clinic as
Medical institutions' classification etc..
Processing module 11 is connected with retrieval module 12, for receiving the term of user's input, to the term of input into
Row pre-processes and determines the keyword of term, finds the corresponding nearly justice of keyword near synonym database according to keyword
Word.
Wherein, term may include at least one of sentence, phrase etc..User can pass through touch screen or keyboard
Term is inputted in navigation system search column, processing module 11 receives term, and carries out subsequent pretreatment.Such as user
The terms such as " hotel ", " hotel near cultural road " can be inputted.
Preferably, it may include knowing to the term of input that the term of 11 pairs of processing module inputs, which carries out pretreatment,
Not Yu Chuli (such as 11 pairs of processing module input terms carry out identification pretreatment may include by the wrong word in term
It is identified as correct word, the phonetic in term is identified as specific word etc.), and term is determined according to identification pre-processed results
Keyword.For example, the term of input is " jiudian ", can carry out identification pretreatment is " hotel ", then can determine inspection
The keyword of rope word is " hotel ".It, can be with when finding the corresponding near synonym of keyword near synonym database according to keyword
Finding the corresponding near synonym of keyword " hotel " is " hotel ", " hotel " etc..
Preferably, processing module 11 is also used to carry out identification pretreatment and participle pretreatment to the term of input, with
At least one participle is obtained, and segments the keyword for determining term according at least one.For example, the term of input is " text
Change the hotel near road ", it then can segment after identification pretreatment as " cultural road ", " neighbouring ", " hotel ", then may be used
With determine the keyword of term be " cultural road ", " near ", " hotel ".It is found near synonym database according to keyword
When the corresponding near synonym of keyword, keyword " cultural road " can be found, " neighbouring ", " hotel " corresponding near synonym are " text
Change road or cultural road 1 or cultural road 2 ", " neighbouring or side or adjacent ", " hotel or hotel " etc..
Retrieval module 12 is connected with display module 13, for according to keyword and corresponding near synonym chart database over the ground
In interest point information retrieved, be supplied to display module 13 after obtaining search result.
Wherein, map data base can be the map data base in navigation system.Interest point information may include point of interest
At least one of title, address, phone etc..Search result may include the interest point information retrieved relevant to keyword
The interest point information retrieved relevant near synonym.Retrieval module 12 is according to keyword and corresponding near synonym to map number
It is retrieved according to the interest point information in library, the available interest point information retrieved relevant to keyword and and near synonym
The relevant interest point information retrieved.
Preferably, after retrieval module 12 is also used to obtain search result, the interest point information retrieved is ranked up, i.e.,
The interest point information retrieved relevant to keyword is come into front, by the interest point information retrieved relevant near synonym
It comes below, is distinguished with showing, facilitate the search result that user faster and better finds oneself needs, and the retrieval that will have been sorted
As a result it is supplied to display module and carries out display output.
Display module 13 is connected with retrieval module 12, the search result provided for showing output retrieval module 12, so as to
It further checks and selects in user.User can more easily find what oneself to be gone to by observing search result
Destination, to carry out subsequent navigation operation.
In conclusion interest point information retrieves device in Vehicular navigation system provided in an embodiment of the present invention, pass through foundation
Near synonym database；The term for receiving user's input pre-process and determine to the term of input the key of term
Word finds the corresponding near synonym of keyword according to keyword near synonym database；According to keyword and corresponding near synonym
The interest point information in chart database is retrieved over the ground, obtains search result；Display exports the search result.The present invention is not
It is single again matching only is done to keyword to carry out searching interest point, matching is still done to the near synonym of keyword and is retrieved, it can
More intelligently, comprehensively to retrieve the point of interest for meeting user demand, the accurate of interest point information retrieval is effectively increased
Rate, the user experience is improved.
The following are embodiments of the method for the invention, and the details of not detailed description in embodiment of the method can refer to above-mentioned
Corresponding Installation practice.
Second embodiment
Referring to FIG. 2, Fig. 2 is interest point information search method in the Vehicular navigation system of second embodiment of the invention offer
Flow chart.Interest point information search method is implemented in interest point information retrieval dress in Vehicular navigation system in Vehicular navigation system
In setting, wherein in Vehicular navigation system interest point information retrieval device include dictionary establish module, processing module, retrieval module,
Display module.Interest point information search method in Vehicular navigation system provided in this embodiment, it may include following steps 201-
205:
Step 201, near synonym database is established.
Preferably, in step 201, can also specifically include: classifying according near synonym to establish includes item name
With the near synonym database of the near synonym in classification, and the near synonym database is stored.
Step 202, the term for receiving user's input pre-process and determine to the term of input the pass of term
Keyword finds the corresponding near synonym of keyword according to keyword near synonym database.
Step 203, it is retrieved, is obtained according to the interest point information in keyword and corresponding near synonym over the ground chart database
To search result；
Step 205, display output search result.
Preferably, in step 203, pre-process and determine to the term of input the keyword of term, it can be with
It specifically includes: identification pretreatment being carried out to the term of input, and determines the keyword of term according to identification pre-processed results.
Preferably, in step 203, pre-process and determine to the term of input the keyword of term, it can be with
It specifically includes: identification pretreatment being carried out to the term of input and participle pre-processes, to obtain at least one participle, and according to extremely
Few one segments the keyword for determining term.
Wherein, carry out identification pretreatment may include the wrong word in term is identified as to correct word, will be in term
Phonetic be identified as specific word.
Preferably, in step 205, display exports the search result, can also specifically include: after obtaining search result,
The interest point information retrieved in search result is ranked up, the interest point information retrieved relevant to keyword is come
The interest point information retrieved relevant near synonym is come below, and the search result to have sorted is shown by front
Output, wherein the search result includes the interest point information retrieved relevant to keyword, retrieval relevant near synonym
Interest point information out.
In conclusion interest point information search method in Vehicular navigation system provided in an embodiment of the present invention, passes through foundation
Near synonym database；The term for receiving user's input pre-process and determine to the term of input the key of term
Word finds the corresponding near synonym of keyword according to keyword near synonym database；According to keyword and corresponding near synonym
The interest point information in chart database is retrieved over the ground, obtains search result；Display exports the search result.The present invention is not
It is single again matching only is done to keyword to carry out searching interest point, matching is still done to the near synonym of keyword and is retrieved, it can
More intelligently, comprehensively to retrieve the point of interest for meeting user demand, the accurate of interest point information retrieval is effectively increased
Rate, the user experience is improved.
The above described is only a preferred embodiment of the present invention, be not intended to limit the present invention in any form, though
So the present invention has been disclosed as a preferred embodiment, and however, it is not intended to limit the invention, any technology people for being familiar with this profession
Member, without departing from the scope of the present invention, when the technology contents using the disclosure above make a little change or modification
It is right according to the technical essence of the invention for the equivalent embodiment of equivalent variations, but without departing from the technical solutions of the present invention
Any simple modification, equivalent change and modification made by above embodiments, all of which are still within the scope of the technical scheme of the invention.
Claims (10)
1. interest point information retrieves device in a kind of Vehicular navigation system, characterized in that it comprises: dictionary establishes module, place
Manage module, retrieval module and display module, wherein
The dictionary establishes module, is connected with the retrieval module, for establishing near synonym database；
The processing module is connected with the retrieval module, for receiving the term of user's input, to the term of input into
Row pre-processes and determines the keyword of term, finds the corresponding nearly justice of keyword near synonym database according to keyword
Word；
The retrieval module is connected with the display module, for according to keyword and corresponding near synonym chart database over the ground
In interest point information retrieved, be supplied to the display module after obtaining search result；
The display module, for showing the search result for exporting the retrieval module and providing.
2. interest point information retrieves device in Vehicular navigation system according to claim 1, which is characterized in that the dictionary
Module is established to be also used to classify according near synonym to establish the near synonym number including the near synonym in item name and classification
It is stored according to library, and by the near synonym database.
3. interest point information retrieves device in Vehicular navigation system according to claim 1, which is characterized in that the processing
Module is also used to carry out the term of input identification pretreatment, and the key of term is determined according to identification pre-processed results
Word.
4. interest point information retrieves device in Vehicular navigation system according to claim 1, which is characterized in that the processing
Module is also used to carry out the term of input identification pretreatment and participle pretreatment, to obtain at least one participle, and according to
At least one segments the keyword for determining term.
5. interest point information retrieves device in Vehicular navigation system according to claim 3 or 4, which is characterized in that described
Processing module carries out identification to the term of input to pre-process including that the wrong word in term is identified as to correct word, will be retrieved
Phonetic in word is identified as specific word.
6. interest point information retrieves device in Vehicular navigation system according to claim 1, which is characterized in that the interest
Point information includes at least one of interest point name, address, phone.
7. interest point information retrieves device in Vehicular navigation system according to claim 1, which is characterized in that the retrieval
After module is also used to obtain search result, the interest point information retrieved in search result is ranked up, it will be with keyword phase
The interest point information retrieved closed comes front, and the interest point information retrieved relevant near synonym is come below, and
The search result to have sorted is supplied to the display module and carries out display output, wherein the search result includes and key
The relevant interest point information retrieved of word, the interest point information retrieved relevant near synonym.
8. interest point information search method in a kind of Vehicular navigation system, characterized in that it comprises:
Establish near synonym database；
The term for receiving user's input pre-process and determine to the term of input the keyword of term, according to pass
Keyword finds the corresponding near synonym of keyword near synonym database；
It is retrieved according to the interest point information in keyword and corresponding near synonym over the ground chart database, obtains search result；
Display exports the search result.
9. interest point information search method in Vehicular navigation system according to claim 8, which is characterized in that input
Term pre-process and determine the keyword of term, comprising:
Identification pretreatment and participle pretreatment are carried out to the term of input, to obtain at least one participle, and according at least one
It is a to segment the keyword for determining term.
10. interest point information search method in Vehicular navigation system according to claim 8, which is characterized in that display is defeated
The search result out, comprising:
After obtaining search result, the interest point information retrieved in search result is ranked up, it will inspection relevant to keyword
The interest point information that rope goes out comes front, and the interest point information retrieved relevant near synonym is come below, and will sequence
Good search result carries out display output, wherein the search result includes the point of interest letter retrieved relevant to keyword
Breath, the interest point information retrieved relevant near synonym.
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| CN201910608846.6A CN110413903A (en) | 2019-07-08 | 2019-07-08 | Interest point information retrieves device and method in Vehicular navigation system |
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Application publication date: 20191105 |