CN101539428A - Searching method with first letter of pinyin and intonation in navigation system and device thereof - Google Patents
Searching method with first letter of pinyin and intonation in navigation system and device thereof Download PDFInfo
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- CN101539428A CN101539428A CN200910082760A CN200910082760A CN101539428A CN 101539428 A CN101539428 A CN 101539428A CN 200910082760 A CN200910082760 A CN 200910082760A CN 200910082760 A CN200910082760 A CN 200910082760A CN 101539428 A CN101539428 A CN 101539428A
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Abstract
The invention provides a searching method with the first letter of pinyin and intonation in a navigation system and a device thereof, belonging to the technical field of navigation. The method comprises the following steps: firstly, respectively obtaining the pinyin of a Chinese character in a interest point name which is input by users to be searched and the intonation of the pinyin of the Chinese character; and then, according to the obtained pinyin of the Chinese character and intonation of the pinyin of the Chinese character, searching in a preset interest point database by matching with a string indice so as to obtain the Chinese character phrase of the interest point name which matches with the interest point name which is to be searched. By using the method with the pinyin and the intonation, a problem of excessive searching results caused by homophones is effectively reduced so as to improve the accuracy of pinyin search.
Description
Technical field
The invention belongs to field of navigation technology, relate in particular to method and device that phonetic in a kind of navigational system adds the tone retrieval.
Background technology
Current, the navigation map data that digital navigation map manufacturer provides has comprised a large amount of point of interest (POI, Point Of Interest) information, general interest point information comprises class living information information up to a hundred such as refuelling station, parking lot, hotel, fast food restaurant, bank, market, supermarket and government bodies, therefore, how in navigational system, accurately and apace to retrieve point of interest, become the research direction that each digital navigation map manufacturer seek assiduously.
The retrieval mode of navigational system has a variety ofly in the market, and phonetic retrieval is to use one of the most general retrieval mode, and this phonetic retrieval mode comprises following two kinds:
Mode one, traditional spelling are retrieved, and the user can import the spelling of this Chinese according to the Chinese of point of interest, finds out the Chinese of point of interest to be selected then from the record of magnanimity according to this spelling;
Mode two, first letter of pinyin retrieval, the user can import the first letter of pinyin of this Chinese according to the Chinese of point of interest, finds out the Chinese of point of interest to be selected then from the record of magnanimity according to this first letter of pinyin.
Yet in realizing process of the present invention, find that there is following problem at least in prior art: owing in Chinese character, there is a large amount of phonetically similar words, it is the identical word of pronunciation, therefore no matter use traditional still first letter of pinyin retrieval of spelling retrieval, the capital causes the result for retrieval that obtains too much, make the user to do further screening, thereby lowered the accuracy of phonetic retrieval result for retrieval.
Summary of the invention
In order to address the above problem, the purpose of this invention is to provide method and device that phonetic in a kind of navigational system adds the tone retrieval, retrieve by the mode of using phonetic to add tone, avoided effectively because of phonetically similar word causes the too much problem of result for retrieval, thereby improved the accuracy of phonetic retrieval.
In order to achieve the above object, phonetic adds the method for tone retrieval in a kind of navigational system, described navigational system comprises: default interest point data base, described default interest point data base comprises: the Chinese character phrase of community string index community and the point of interest title corresponding with described community string index community, and described method comprises:
Obtaining step obtains the phonetic of Chinese character in the point of interest title to be checked of user input and the phonetic tone of described Chinese character respectively;
Searching step, according to the phonetic of the described Chinese character that obtains and the phonetic tone of described Chinese character, in default interest point data base, mate retrieval, obtain Chinese character phrase with the described point of interest title of described point of interest name-matches to be checked with described community string index community.
Preferably, described method also comprises: the Chinese character phrase of the point of interest title described to be checked that retrieval is obtained is exported by the mode of voice, and/or the Chinese character phrase of the point of interest title described to be checked that retrieval is obtained is exported by the mode that shows.
Preferably, described obtaining step specifically comprises: the phonetic and the phonetic tone that obtain each Chinese character in the point of interest title described to be checked of user input successively;
Judge whether to obtain the phonetic and the phonetic tone of other Chinese characters in the point of interest title described to be checked of user's input, if, continue to obtain the phonetic and the phonetic tone of other Chinese characters in the point of interest title described to be checked of user's input, the phonetic and the phonetic tone of all Chinese characters in the point of interest title described to be checked of obtaining user's input; Otherwise, finish described obtaining step.
Preferably, described obtaining step specifically comprises: the phonetic that obtains Chinese character in the point of interest title to be checked of user input successively;
According to described point of interest title to be checked, also need to judge whether to obtain the phonetic of other Chinese characters in the point of interest title described to be checked of user's input, if, continue to obtain the phonetic of the Chinese character in the point of interest title described to be checked of user's input, the phonetic of all Chinese characters in the point of interest title described to be checked of obtaining user's input, otherwise, obtain the phonetic tone of Chinese character in the point of interest title described to be checked of user input successively.
Preferably, before the described obtaining step, described method also comprises: according to default classification policy, and to being stored in processings of classifying of interest point information in the described default interest point data base, and will be through the interest point information after the classification processing as mating the data retrieved source.
The present invention also provides phonetic in a kind of navigational system to add the device of tone retrieval, comprise default interest point data base in the described navigational system, described interest point data base comprises: the Chinese character phrase of community string index community and the point of interest title corresponding with described community string index community, and described device comprises:
Acquisition module is used for obtaining respectively the phonetic of point of interest title Chinese character to be checked of user's input and the phonetic tone of described Chinese character;
Retrieval module, be used for according to the phonetic of the described Chinese character that obtains and the phonetic tone of described Chinese character, in default interest point data base, mate retrieval, obtain Chinese character phrase with the described point of interest title of described point of interest name-matches to be checked with described character string.
Preferably, described device also comprises: output module is used to export the Chinese character phrase that retrieval obtains point of interest title to be checked.
Preferably, described output module comprises: voice-output unit, and the Chinese character phrase that is used for retrieval is obtained point of interest title to be checked is exported by the mode of voice;
Display unit, the Chinese character phrase that is used for retrieval is obtained point of interest title to be checked is exported by the mode that shows.
Preferably, described device also comprises: memory module is used to store described default interest point data base.
Preferably, described device also comprises: sort module, be used for according to default classification policy, to being stored in processings of classifying of interest point information in the described default interest point data base, and will be through the interest point information after the classification processing as mating the data retrieved source.
At least one technical scheme in the technique scheme has following beneficial effect: retrieve by the mode of using phonetic to add tone, avoided having improved the accuracy of phonetic retrieval because of phonetically similar word causes the too much problem of result for retrieval with imitating.
Description of drawings
Fig. 1 adds the method flow diagram of tone retrieval for phonetic in the embodiments of the invention;
Fig. 2 adds the device block diagram of tone retrieval for phonetic in the embodiments of the invention.
Embodiment
At first, below the technical term that occurs among the embodiment is made an explanation for the ease of understanding the technical scheme of present embodiment:
Phonetic: according to the composing law of mandarin syllable, the continuously amalgamation and add tone and become a syllable that for example: the phonetic in " Beijing " is: beijing rapidly of initial consonant, simple or compound vowel of a Chinese syllable.
Phonetic tone: Modern Chinese four-tone tone, comprise: high and level tone (first), rising tone (second sound), last sound (the 3rd) and falling tone (fourth sound), in the present embodiment, available digital 1 expression: high and level tone, numeral 2 expressions: rising tone, numeral 3 expressions: go up sound, numeral 4 expressions: falling tone, certainly also available other numeral, letter or character string represented the phonetic tone, do not limit the concrete representation of phonetic tone in the present embodiment.
For the purpose, technical scheme and the advantage that make the embodiment of the invention is clearer,, the embodiment of the invention is done explanation in further detail below in conjunction with embodiment and accompanying drawing.At this, illustrative examples of the present invention and explanation are used to explain the present invention, but not as a limitation of the invention.
As shown in Figure 1, for phonetic in the embodiments of the invention adds the method flow diagram that tone is retrieved, this method comprises:
Step 101, according to default classification policy, to being stored in processings of classifying of interest point information in the default interest point data base, and will be through the interest point information after the classification processing as mating the data retrieved source.
At first introduce in the present embodiment below, be provided with the interest point data base that is used to store interest point information in this navigational system, this interest point information comprises: the type of the Chinese character phrase of community string index community, point of interest title, place administrative division and point of interest etc., particular content can be referring to table 1.
Table 1
Wherein, 1) community string index community is provided with the corresponding relation with the Chinese character phrase of point of interest title, be that all the Chinese character phrase " Wuhan University " with the point of interest title is corresponding for community string index community " WU3HAN4DA4XUE2 ", " WU3%DA4XUE2 ", " WUHANDAXUE3442 ", thereby, just can mate the Chinese character phrase that retrieves with the point of interest title of point of interest name-matches to be checked when the character string of user input and the community string index community in the interest point data base when the match is successful.
Above-mentioned community string index community comprises: the phonetic tone of the phonetic of Chinese character and Chinese character, character in the index put in order in the present embodiment can setup string according to the order of each Chinese character in the point of interest title, referring to the community string index community in the table 1 " WU3HAN4DA4XUE2 ", wherein " WU " is expressed as the phonetic of " force " word, numeral " 3 " expression " force " word phonetic tone; The phonetic of " HAN " expression " Chinese " word, the phonetic tone of numeral " 4 " expression " Chinese " word; The phonetic of " DA " expression " greatly " word, the phonetic tone of numeral " 4 " expression " greatly " word; The phonetic of " XUE " expression " " word, the phonetic tone of numeral " 2 " expression " " word.
Certainly, phonetic in the community string index community and phonetic tone also can adopt other array mode, referring to the community string index community in the table 1 " WUHANDAXUE3442 ", wherein " WU " is expressed as the phonetic of " force " word, the phonetic of " HAN " expression " Chinese " word, the phonetic of " DA " expression " greatly " word, the phonetic of " XUE " expression " " word, the phonetic tone of first digit " 3 " expression " force " word, the phonetic tone of second digit " 4 " expression " Chinese " word, the phonetic tone of third digit " 4 " expression " greatly " word, the phonetic tone of fourth digit " 2 " expression " " word does not limit the concrete corresponding relation of the phonetic tone of the phonetic of Chinese character in the community string index community and Chinese character in the present embodiment.
For fear of the user because of running into rarely used word, and the correct situation of input Pinyin and tone.In the present embodiment, asterisk wildcard can be set in community string index community, this asterisk wildcard is used to replace the phonetic and the phonetic tone of this rarely used word, for example available " % " represents asterisk wildcard, community string index community can be set to " WU3%DA4XUE2 ", wherein asterisk wildcard represented in character " % ", is expressed as the phonetic and the phonetic tone of " Chinese " word, and this moment, the character string of user's input only was required to be " WU3DA4XUE2 ".Certainly the community string index community in the table 1 also can be set to " W%HAN4DA4XUE2 " or " %HAN4DA4XUE2 ", and in the present embodiment, asterisk wildcard can be represented any long character string in the phonetic.
2) the Chinese character phrase of point of interest title, just can by community string index community can mate retrieve the Chinese character phrase of point of interest title, community string index community in the table 1 " WU3HAN4DA4XUE2 ", " WU3%DA4XUE2 " and " WUHANDAXUE3442 " are corresponding with same Chinese character phrase " Wuhan University ", when the character string of input and in above-mentioned three community string index communitys any when the match is successful, can both mate and retrieve " Wuhan University ".
3) administrative division at point of interest place is represented: administrative divisions such as the province at point of interest place (municipality directly under the Central Government), city, district, therefore for example the specified place of point of interest " Wuhan University " is positioned at the Hongshan District, Wuhan City, Hubei Province, can be in table 1 " administrative division at point of interest place " of " Wuhan University " be labeled as: the Hongshan District, Wuhan City.
4) type of point of interest comprises: universities and colleges, supermarket, refuelling station, parking lot, hotel, fast food restaurant, bank, market and government bodies etc.
For the point of interest that may comprise more than 1,000 ten thousand in the nationwide navigation map, therefore in order to improve the efficient of phonetic retrieval, can be according to default classification policy, to the processing of classifying of the interest point information in the default interest point data base.
In the present embodiment, default classification policy comprises: according to the administrative division at point of interest place to being stored in the processing of classifying of interest point information in the default interest point data base, perhaps according to the type of point of interest to being stored in the processing of classifying of interest point information in the default interest point data base.Wherein
1) according to the administrative division at point of interest place to being stored in the processing of classifying of interest point information in the default interest point data base, for example can adopt province (municipality directly under the Central Government), the city, administrative divisions such as district come the interest point information that is stored in the default interest point data base is classified, thereby in the coupling retrieving, the community string index community about this point of interest in the administrative division after only need handling classification mates retrieval, for example the user only wants to retrieve the point of interest of Haidian District, Beijing City, this moment is according to the administrative division of point of interest, the administrative division at all point of interest places in the default interest point data base point of interest for " Haidian District, Beijing City " is extracted, as coupling data retrieved source, can effectively improve the efficient of phonetic retrieval by dwindling range of search.
2) according to the type of interest to being stored in the processing of classifying of interest point information in the default interest point data base, when for example user's point of interest to be checked is universities and colleges, for example: Wuhan University, this moment is according to the type of point of interest, with the type of all points of interest in the default interest point data base is that the interest point information of universities and colleges extracts, as coupling data retrieved source, can improve the efficient of phonetic retrieval by dwindling range of search equally.
In the present embodiment, step 101 is an optional step, and just the user can be to the processing of classifying of the interest point information in the interest point data base, can be not yet to the processing of classifying of the interest point information in the interest point data base.After the user was to the classification of the interest point information in interest point data base processing, the interest point information after classification can being handled was as coupling data retrieved source.When the user did not classify processing to the interest point information in the interest point data base, then Mo Ren coupling data retrieved source was all interest point informations in the interest point data base.
According to default classification policy, the interest point information of the storage in the his-and-hers watches 1 classify handle after, effectively reduced the scope of phonetic retrieval, improved the work efficiency of phonetic retrieval.
Step 102, obtain the phonetic of Chinese character in the point of interest title to be checked of user input and the phonetic tone of Chinese character respectively.
At present embodiment, 26 alphabet keys that the user can be by A～Z and 4 digital keys of 1～4 come the input process in the completing steps 102, and being called " Wuhan University " with retrieval user point of interest name to be checked below is that example is introduced following steps.
At first analyze the phonetic and the phonetic tone of each Chinese character in " Wuhan University ", wherein the phonetic of " force " word is: WU, and the phonetic tone is: 3; The phonetic of " Chinese " word is: HAN, and the phonetic tone is: 4; The phonetic of " greatly " word is: DA, and the phonetic tone is: 4; The phonetic of " " word is: XUE, the phonetic tone is: 2.
In the present embodiment, the user can import the phonetic and the phonetic tone of each Chinese character successively according to the order of Chinese character in the point of interest title, and this moment, step 102 comprised following concrete steps:
Step 201, obtain the phonetic and the phonetic tone of each Chinese character in the point of interest title to be checked of user input successively;
Just, at first obtain the phonetic of first Chinese character of user input and the phonetic tone of first Chinese character, obtain the phonetic of second Chinese character of user's input and the phonetic tone of second Chinese character then;
For example: at first obtain the phonetic and the phonetic tone of " force " word of user's input, promptly obtain character string " WU3 ", then, obtain the phonetic and the phonetic tone of " Chinese " word of user's input, promptly obtain character string " HAN4 ".
Step 202, judge whether to obtain the phonetic and the phonetic tone of other Chinese characters in the point of interest title to be checked of user's input, if, continue to obtain the phonetic and the phonetic tone of other Chinese characters in the point of interest title to be checked of user's input, the phonetic and the phonetic tone of all Chinese characters in the point of interest title to be checked of obtaining user's input; Otherwise, finish obtaining step.
Just, also need to judge whether the phonetic and the phonetic tone of other Chinese characters in the input " Wuhan University ", by finding also will obtain the phonetic and the phonetic tone of " university " two Chinese characters after the execution in step 201, continue to obtain the phonetic and the phonetic tone of " greatly " word of user's input this moment, promptly obtain the character string " DA4 " of user's input, obtain the phonetic and the phonetic tone of " " word of user's input, promptly obtain character string " XUE2 ", when getting access to complete character string " WU3HAN4DA4XUE2 ", can judge obtaining step 102 is finished, the step that can finish to obtain this moment, carry out the coupling retrieval of Chinese character phrase then according to the character string of obtaining " WU3HAN4DA4XUE2 ", promptly execution in step 103.
Certainly, in the present embodiment, the phonetic of each Chinese character that the user can at first import, and then the phonetic tone of each Chinese character of importing successively, this moment, the concrete steps of step 102 were as follows:
Step 301, obtain the phonetic of Chinese character in the point of interest title to be checked of user input successively;
Just, obtain the phonetic of " Wuhan University " middle Chinese character of user's input successively, the character string of promptly obtaining user's input is " WUHANDAXUE ";
Step 302, according to point of interest title to be checked, also need to judge whether to obtain the phonetic of other Chinese characters in the point of interest title to be checked of user's input, if, continue to obtain the phonetic of the Chinese character in the point of interest title to be checked of user's input, the phonetic of all Chinese characters in the point of interest title to be checked of obtaining user's input; Otherwise, obtain the phonetic tone of Chinese character in the point of interest title to be checked of user input successively.
Just, also need to judge whether to obtain the phonetic of other Chinese characters in the point of interest title to be checked of user's input according to point of interest title " Wuhan University " to be checked, if, the phonetic of other Chinese characters that do not obtain in the continuation obtaining step 301, the phonetic of all Chinese characters in obtaining point of interest title to be checked.Owing to obtained the phonetic of all Chinese characters in " Wuhan University " in the step 301, next, can obtain the phonetic tone of " Wuhan University " middle Chinese character of user's input successively, promptly obtain character string " 3442 ".When getting access to complete character string " WUHANDAXUE3442 ", can judge obtaining step 102 is finished, this moment, but end step 102 was carried out the coupling retrieval of Chinese character phrase then according to the character string of obtaining " WUHANDAXUE3442 ", and promptly execution in step 103.
In the present embodiment, the capital and small letter of phonetic alphabet is general, and promptly A is equal to a, and a is equal to A, so the user both can import the phonetic alphabet of capitalization, also can import the phonetic mother of small letter.
Step 103, according to the phonetic of the Chinese character that obtains and the phonetic tone of Chinese character, in default interest point data base, mate retrieval with community string index community, obtain Chinese character phrase with the point of interest title of point of interest name-matches to be checked.
In the present embodiment, can adopt fully coupling retrieval or fuzzy matching to retrieve coupling retrieving in the execution in step 103.When adopting coupling retrieval fully, character string default in character string of only obtaining and the community string index community is judged that just the match is successful, otherwise is that it fails to match one by one at once.When for example only getting access to correct character string " WU3HAN4DA4XUE2 ", " WUHANDAXUE3442 " and " WU3DA4XUE2 ", could mate retrieval by step 103 and obtain " Wuhan University ", because what adopt is to mate retrieval fully, therefore can effectively improve the accuracy of phonetic retrieval, wherein Shu Ru character string " WU3DA4XUE2 " and community string index community " WU3%DA4XUE2 " coupling.
Certainly in order to simplify the operation, also can adopt the fuzzy matching retrieval in the present embodiment, just character string and the community string index community that obtains carried out fuzzy matching.
In this enforcement, can obtain the phonetic of at least two Chinese characters of user's input, phonetic tone with these at least two Chinese characters, the character string of promptly obtaining user's input is " WU3HAN4 ", can judge the character string " WU3HAN4 " and community string index community " WU3HAN4DA4XUE2 " fuzzy matching of input this moment by the fuzzy matching retrieval, and also can obtain " Wuhan University " by step 103 coupling this moment.
In the present embodiment, also can obtain the phonetic of at least two Chinese characters of user's input, the phonetic tone of at least one Chinese character at least two Chinese characters, the character string of promptly obtaining user's input is " WU3HAN ", can judge the character string " WU3HAN " and community string index community " WU3HAN4DA4XUE2 " fuzzy matching of input by the fuzzy matching retrieval equally, thereby also can obtain " Wuhan University " by step 103 coupling.
During the phonetic tone of at least one Chinese character in only getting access at least two Chinese characters of user input, the phonetic tone that this phonetic tone can be first Chinese character, it also can be the phonetic tone of second Chinese character, when the user selects to import the phonetic tone of second Chinese character, the character string of obtaining is " WUHAN4 ", also can judge the character string " WUHAN4 " and community string index community " WU%HAN4DA4XUE4 " fuzzy matching of input this moment by the fuzzy matching retrieval, and wherein character " % " is an asterisk wildcard.Owing to reduced the character string number of user's input, thereby can improve the efficient of phonetic retrieval.
The Chinese character phrase of step 104, point of interest title to be checked that retrieval is obtained is exported by the mode of voice, and/or the Chinese character phrase of the point of interest title to be checked that retrieval is obtained is exported by the mode that shows.
Just behind the Chinese character phrase of the point of interest title to be checked that retrieval obtains, according to this Chinese character phrase by obtaining the voice document of this Chinese character phrase in the Hanzi speech library, play this voice document at last, for example this voice document can be set to " what you will inquire about is Wuhan University? "
The Chinese character phrase of the point of interest title to be checked that also this retrieval can be obtained is presented on the LCDs, and above-mentioned two kinds of way of outputs can be provided with separately, also can combine use certainly.
By foregoing description as can be known, add the mode of tone, reduced the phonetically similar word in the result for retrieval effectively, thereby improved the efficient and the accuracy of phonetic retrieval by using phonetic.
By foregoing description as can be known, add the mode of tone, reduced the phonetically similar word in the result for retrieval effectively, thereby improved the efficient and the accuracy of phonetic retrieval by using first letter of pinyin.
In order to realize above-mentioned method embodiment, other embodiment of the present invention also provide phonetic in a kind of navigational system to add the device of tone retrieval.What need at first explanation in addition is; because following embodiment is for realizing aforesaid method embodiment; so the module in this device all is to establish for each step that realizes preceding method; but the present invention is not limited to following embodiment, and any device of said method and module of realizing all should be contained in protection scope of the present invention.And in the following description, the content identical with preceding method omitted at this, to save length.
As shown in Figure 2, for phonetic in the embodiments of the invention adds the device block diagram of tone retrieval, by among the figure as can be known, this device comprises:
Acquisition module 21 is used for obtaining respectively the phonetic of point of interest title Chinese character to be checked of user's input and the phonetic tone of described Chinese character;
Retrieval module 22 is used for according to the phonetic of described Chinese character of input and the phonetic tone of described Chinese character, and the community string index community in default interest point data base mates retrieval, obtains the Chinese character phrase with the point of interest title of point of interest name-matches to be checked.
In another embodiment of the present invention, this device also comprises: output module 23 is used to export the Chinese character phrase that retrieval obtains point of interest title to be checked.
Above-mentioned output module 23 comprises:
Voice-output unit, the Chinese character phrase that is used for point of interest title to be checked that retrieval is obtained is exported by the mode of voice;
Display unit, the Chinese character phrase that is used for point of interest title to be checked that retrieval is obtained is exported by the mode that shows.
In another embodiment of the present invention, this device also comprises: memory module 24, be used to store described default interest point data base, and the particular content in this interest point data base can be referring to table 1.
In another embodiment of the present invention, this device also comprises: sort module 25, be used for according to default classification policy, to being stored in the processing of classifying of interest point information in the described default interest point data base, and the interest point information after will handling through classification is as coupling data retrieved source.
In the present embodiment, above-mentioned acquisition module 21 can be selected touch-screen or keyboard for use, also is not limited to this certainly.
The above only 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 the principle of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (10)
1. phonetic adds the method for tone retrieval in the navigational system, it is characterized in that, described navigational system comprises: default interest point data base, described default interest point data base comprises: the Chinese character phrase of community string index community and the point of interest title corresponding with described community string index community, and described method comprises:
Obtaining step obtains the phonetic of Chinese character in the point of interest title to be checked of user input and the phonetic tone of described Chinese character respectively;
Searching step, according to the phonetic of the described Chinese character that obtains and the phonetic tone of described Chinese character, in default interest point data base, mate retrieval, obtain Chinese character phrase with the described point of interest title of described point of interest name-matches to be checked with described community string index community.
2. method according to claim 1 is characterized in that, described method also comprises:
The Chinese character phrase of the point of interest title described to be checked that retrieval is obtained is exported by the mode of voice, and/or the Chinese character phrase of the point of interest title described to be checked that retrieval is obtained is exported by the mode that shows.
3. method according to claim 2 is characterized in that, described obtaining step specifically comprises:
Obtain the phonetic and the phonetic tone of each Chinese character in the point of interest title described to be checked of user input successively;
Judge whether to obtain the phonetic and the phonetic tone of other Chinese characters in the point of interest title described to be checked of user's input, if, continue to obtain the phonetic and the phonetic tone of other Chinese characters in the point of interest title described to be checked of user's input, the phonetic and the phonetic tone of all Chinese characters in the point of interest title described to be checked of obtaining user's input; Otherwise, finish described obtaining step.
4. method according to claim 2 is characterized in that, described obtaining step specifically comprises:
Obtain the phonetic of Chinese character in the point of interest title to be checked of user input successively;
According to described point of interest title to be checked, also need to judge whether to obtain the phonetic of other Chinese characters in the point of interest title described to be checked of user's input, if, continue to obtain the phonetic of the Chinese character in the point of interest title described to be checked of user's input, the phonetic of all Chinese characters in the point of interest title described to be checked of obtaining user's input, otherwise, obtain the phonetic tone of Chinese character in the point of interest title described to be checked of user input successively.
5. according to claim 3 or 4 described methods, it is characterized in that before the described obtaining step, described method also comprises:
According to default classification policy, to being stored in processings of classifying of interest point information in the described default interest point data base, and will be through the interest point information after the classification processing as mating the data retrieved source.
6. phonetic adds the device of tone retrieval in the navigational system, it is characterized in that, comprise default interest point data base in the described navigational system, described interest point data base comprises: the Chinese character phrase of community string index community and the point of interest title corresponding with described community string index community, and described device comprises:
Acquisition module is used for obtaining respectively the phonetic of point of interest title Chinese character to be checked of user's input and the phonetic tone of described Chinese character;
Retrieval module, be used for according to the phonetic of the described Chinese character that obtains and the phonetic tone of described Chinese character, in default interest point data base, mate retrieval, obtain Chinese character phrase with the described point of interest title of described point of interest name-matches to be checked with described character string.
7. device according to claim 6 is characterized in that, described device also comprises:
Output module is used to export the Chinese character phrase that retrieval obtains point of interest title to be checked.
8. device according to claim 7 is characterized in that, described output module comprises:
Voice-output unit, the Chinese character phrase that is used for retrieval is obtained point of interest title to be checked is exported by the mode of voice;
Display unit, the Chinese character phrase that is used for retrieval is obtained point of interest title to be checked is exported by the mode that shows.
9. device according to claim 8 is characterized in that, described device also comprises:
Memory module is used to store described default interest point data base.
10. device according to claim 9 is characterized in that, described device also comprises:
Sort module is used for according to default classification policy, to being stored in processings of classifying of interest point information in the described default interest point data base, and will be through the interest point information after the classification processing as mating the data retrieved source.
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| Application Number | Priority Date | Filing Date | Title |
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| CN200910082760A CN101539428A (en) | 2009-04-28 | 2009-04-28 | Searching method with first letter of pinyin and intonation in navigation system and device thereof |
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| CN200910082760A CN101539428A (en) | 2009-04-28 | 2009-04-28 | Searching method with first letter of pinyin and intonation in navigation system and device thereof |
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| CN200910082760A Pending CN101539428A (en) | 2009-04-28 | 2009-04-28 | Searching method with first letter of pinyin and intonation in navigation system and device thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103530380A (en) * | 2013-10-17 | 2014-01-22 | 北京奇虎科技有限公司 | Vertical search device and method |
| CN107621892A (en) * | 2017-10-18 | 2018-01-23 | 北京百度网讯科技有限公司 | For obtaining the method and device of information |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103530380A (en) * | 2013-10-17 | 2014-01-22 | 北京奇虎科技有限公司 | Vertical search device and method |
| CN107621892A (en) * | 2017-10-18 | 2018-01-23 | 北京百度网讯科技有限公司 | For obtaining the method and device of information |
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Application publication date: 20090923 |