JP2017091084A - Retrieval control device and retrieval control method - Google Patents

Retrieval control device and retrieval control method Download PDF

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JP2017091084A
JP2017091084A JP2015218463A JP2015218463A JP2017091084A JP 2017091084 A JP2017091084 A JP 2017091084A JP 2015218463 A JP2015218463 A JP 2015218463A JP 2015218463 A JP2015218463 A JP 2015218463A JP 2017091084 A JP2017091084 A JP 2017091084A
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search
condition
searchable
provider
search condition
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JP6523923B2 (en
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加藤 真
Makoto Kato
真 加藤
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三菱電機株式会社
Mitsubishi Electric Corp
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Abstract

A search control apparatus and a search control method capable of obtaining consistent search results with a plurality of search services are provided. A search range that can be searched by a plurality of search service providers specified by a searchable condition acquired by a searchable condition acquisition unit is requested by the search condition acquired by the search condition acquisition unit. Edit the search condition to include [Selection] Figure 1

Description

  The present invention relates to a search control apparatus and a search control method for collectively searching for contents obtained by voice recognition using a plurality of information search services having different data formats for search requests and search results.

In recent years, various information search services have been provided from many content providers on the Internet. These information search services are disclosed in the form of Web API (Web Application Programming Interface), and can be used by users from information terminals such as navigation devices and mobile communication terminals mounted on vehicles.
For example, Patent Document 1 describes an information search system in which a plurality of search services can be used collectively by converting a search condition into a data format corresponding to each of a plurality of search service providers.

JP 2014-002717 A

However, the Web API provided by the content provider is not standardized, and each of the plurality of content providers generally has a unique search function.
For this reason, when trying to use a plurality of search services at once, the search range changes for each search service, and the consistency of the search function may be lost.
In this case, there is a problem that a search result different from the content assumed by the user is included or a search result desired by the user cannot be obtained.

For example, consider a case where provider A performs a partial match search, provider B performs an AND search, and provider C performs a fuzzy search.
Users generally do not know what search methods are employed by search service providers. For this reason, the user may mistakenly recognize that an ambiguous search is also performed in the providers A and B from the search results when the provider C has been used in the past.
In this case, in order to use the search services of the providers A, B, and C collectively, if an ambiguous keyword is also input to the providers A and B as a search condition, there is a high possibility that a desired search result cannot be obtained.

  In the information search system described in Patent Document 1, the search condition is converted into a data format corresponding to each of a plurality of search service providers, but the contents of the search condition are edited in order to search collectively. Not. For this reason, the said subject that the search result different from the content which the user assumed is contained, or the search result which a user desires cannot be obtained cannot be solved.

  SUMMARY OF THE INVENTION An object of the present invention is to provide a search control apparatus and a search control method capable of obtaining consistent search results with a plurality of search services.

  The search control device according to the present invention includes a search condition acquisition unit, a searchable condition acquisition unit, a search condition editing unit, a conversion processing unit, a search result editing unit, and an output control unit. The search condition acquisition unit acquires a search condition. The searchable condition acquisition unit acquires searchable conditions that can be specified as search conditions by each of the plurality of search service providers. The search condition editing unit is a search range in which a searchable range by a plurality of search service providers specified by the searchable condition acquired by the searchable condition acquiring unit is requested by the search condition acquired by the search condition acquiring unit. Edit the search condition to include The conversion processing unit converts the search condition output from the search condition editing unit into a data format corresponding to a plurality of search service providers, and the search result received from the plurality of search service providers can be used by the search request source. Convert to format. The search result editing unit edits the search result whose data format has been converted by the conversion processing unit so as to be within the search range required by the search condition acquired by the search condition acquisition unit. The output control unit outputs the search result edited by the search result editing unit to the search request source.

  According to the present invention, the search conditions specified for the plurality of search service providers are edited so that the searchable range by the plurality of search service providers includes the search range required by the search conditions. Consistent search results can be obtained.

It is a block diagram which shows the structure of the information search system using the search control apparatus which concerns on Embodiment 1 of this invention. FIG. 2A is a diagram illustrating a hardware configuration that implements the functions of the search control device according to Embodiment 1, and FIG. 2B illustrates hardware that executes software that implements the functions of the search control device according to Embodiment 1. FIG. 3 is a flowchart showing the operation of the search control device according to the first embodiment. It is a figure which shows the outline | summary of the edit of the search condition in a keyword search. It is a figure which shows the outline | summary of the edit of the search condition giving priority to the consistency in area search. It is a figure which shows the outline | summary of edit of the search condition which gave priority to the proximity from the present position in area search.

Embodiment 1 FIG.
FIG. 1 is a block diagram showing a configuration of an information search system using a search control device 2 according to Embodiment 1 of the present invention. The information search system shown in FIG. 1 is a system that performs a batch search using a plurality of search services having different search conditions and search result data formats, and includes a mobile terminal 1, a search control device 2, and a search service provider group 3. It is configured with.
Thereafter, the search control device 2 receives a search request from the mobile terminal 1, performs a collective search in the search service provider group 3 based on the search conditions from the mobile terminal 1, and returns the search result to the mobile terminal 1.

The mobile terminal 1 is a terminal that makes a search request to the search control device 2, and is realized by a communication terminal such as a navigation device or a smartphone, for example.
In addition, communication between the mobile terminal 1 and the search control device 2 may use a communication device built in the mobile terminal 1, but communication via a communication terminal such as a smartphone, a mobile phone, or a mobile router. There may be.
Furthermore, the mobile terminal 1 is provided with a device that captures voice, such as a microphone, and can accept information serving as a search condition by voice recognition.
In addition to the mobile terminal 1, information serving as a search condition may be received by a voice recognition function provided in any of the devices provided separately from the search control device 2, the mobile terminal 1, and the search control device 2.

The search service provider group 3 includes search service providers 3-1 to 3-4 having terminals that can communicate with the search control device 2. These search service providers have different search conditions and search result data formats.
Further, the terminals included in the search service providers 3-1 to 3-4 can search for facility information such as restaurants, beauty salons, and hotels from the search control device 2 in the Web API format.

The search control device 2 is a device that performs a batch search with a search service provided by the search service providers 3-1 to 3-4 based on the search conditions acquired from the mobile terminal 1.
The functional configuration includes a search condition acquisition unit 20, a searchable condition acquisition unit 21, a search condition editing unit 22, a conversion processing unit 23, a search result editing unit 24, and an output control unit 25.

The search condition acquisition unit 20 is a component that acquires search conditions from the mobile terminal 1.
For example, the search condition acquisition unit 20 communicates with the mobile terminal 1 via a communication network such as the Internet, and acquires the search condition from the mobile terminal 1 in the form of communication data.
When the mobile terminal 1 side recognizes a user's utterance “Fukushima Mayau Curry” and obtains a search condition, the search condition is data in which the type of each word is classified as follows.
<Words>
<Word type = "area"> Fukushima </ word>
<Word></word>
<Word type = “facility name”> Meyerau </ word>
<Word type = "facility name | industry"> curry </ word>
</ Words>

The searchable condition acquisition unit 21 acquires searchable conditions that can be specified as search conditions in each of the search service providers 3-1 to 3-4. The searchable conditions include the types of conditions that can be specified as search conditions by the search service providers 3-1 to 3-4, the range of values that can be specified for the conditions, and the search methods in the search service providers 3-1 to 3-4. included.
The types of conditions include industry type, facility and store type, owned equipment, service provided, nearest station, region, administrative division, and the like.

In addition, as the value range of the condition, if the type of condition is a food and drink industry, for example, Italian restaurant, yakiniku restaurant, soba restaurant, etc., if the condition type is a hotel industry, Business hotels, guest houses, condominiums etc. When the type of condition is a facility and store type, examples of the value range of the condition include eating and drinking facilities, accommodation facilities, and leisure facilities. When the type of condition is owned equipment, information such as parking lot availability, barrier free, and karaoke set can be set in the condition value range. When the type of condition is a provided service, information such as pets allowed, children's menu, smoking allowed, etc. can be set in the condition value range.
When the condition type is the nearest station, the value range of the condition includes information on Tokyo Station, Osaka Station, Sannomiya Station, and the like. When the condition type is a wide area, for example, information on Tohoku, Kanto, Kansai, etc. can be set in the value range of the condition. When the condition type is a detailed area, information such as Ueno, Asakusa, Ryogoku area, Umeda or Kitashinchi area, Sannomiya area can be set as the condition value range. When the type of condition is administrative division, the value range of the condition includes a prefecture name, a city name, and the like.

Furthermore, as a search method, when the search service providers 3-1 to 3-4 have a keyword search function, complete search, partial match search, AND search, OR search, and fuzzy search can be mentioned.
The searchable condition acquisition unit 21 is connected to the search service providers 3-1 to 3-4 through a communication network such as the Internet, and acquires the latest searchable condition at a certain cycle. By doing this, the searchable conditions that have already been acquired are updated to the latest searchable conditions at regular intervals, so the search conditions must be edited accurately to obtain consistent search results. Can do.

The search condition editing unit 22 is requested by the search condition acquired by the search condition acquiring unit 20 for a searchable range by a plurality of search service providers specified by the searchable condition acquired by the searchable condition acquiring unit 21. Edit the search condition to include the search range.
This editing process is performed when a keyword is included in the search condition.
The keyword is a name, a word string, and a proper noun that can be searched for a keyword.
When the name, word string, and proper noun are identified from the search conditions, the search condition editing unit 22 determines that the search condition includes a keyword.

  For example, the search condition editing unit 22 specifies a keyword and a search method from the search conditions acquired by the search condition acquisition unit 20. Here, it is assumed that an ambiguous search is specified as a search method. Search service providers are A provider, B provider, and C provider. The A provider can execute a fuzzy search as a keyword search method, but the B provider can perform only an AND search, and the C provider can perform only a partial match search.

As described above, since fuzzy search is requested as a search condition, the search condition specified for the A provider that can perform fuzzy search is not subjected to editing processing.
In the B provider that can perform only AND search, a word extracted from a keyword is used as a search condition for AND search. For example, if the keyword is a character string composed of three words A, B, and C, these are combined and edited into a search condition for performing an AND search such as “A AND B AND C”.
For C providers capable of only partial match search, search conditions for individually searching for words extracted from keywords are used. For example, if the keyword is a character string composed of three words A, B, and C, the search condition for performing three searches for the subdivided “A”, “B”, and “C” is used. Edited.

Conventionally, the user misunderstands that the B provider and the C provider can perform a fuzzy search from the search results of the A provider in the past, and the search fails because a keyword is specified in anticipation of the fuzzy search. there is a possibility.
On the other hand, the search control apparatus 2 according to the present invention edits the search condition as described above. Thereby, consistent search results can be obtained by a plurality of search services.

The word extraction from the keyword may use the result of speech recognition of the keyword for each word. However, if the keyword is not divided for each word by speech recognition, the keyword is extracted by natural language processing such as general morphological analysis. You may divide | segment for every word.
The result of subdividing the keyword may be selected based on the likelihood of the speech recognition result or the morphological analysis result. In this way, it is possible to accurately edit the search conditions for obtaining consistent search results.

  Further, the search condition editing unit 22 can be specified as a search condition having a consistent content among a plurality of search service providers among searchable conditions for each search service provider corresponding to the search conditions acquired by the search condition acquisition unit 20. The condition may be output as a search condition.

  For example, it is assumed that a search area “Fukushima” has been acquired as a search condition acquired by the search condition acquisition unit 20. Search service providers are A provider, B provider, and C provider. A provider can search for municipalities, B provider can search for prefectures and municipalities, and C provider can search for the nearest station. It is assumed that search is possible.

For example, a searchable condition determination method for each search service provider corresponding to the search condition acquired by the search condition acquisition unit 20 is as follows.
A correspondence table of condition types in searchable conditions corresponding to the types of conditions in the search conditions is prepared in advance, and searchable conditions corresponding to the search conditions are determined with reference to the correspondence table.
In addition, the condition value in the search condition is searched from the condition values in the searchable condition, and the searchable condition value having the same value is selected. That is, when the value of the search condition is “Fukushima” and the type of searchable condition is, for example, a municipality or the nearest station, a condition including the word “Fukushima” from the value of the searchable condition, “Fukushima City” is Explored.
If the type of condition is not set, search the brute force value of each type of searchable condition for each search service provider to find the most appropriate type of searchable condition corresponding to the value of the search condition and its Select a value.

The searchable condition for each search service provider corresponding to the search condition “Fukushima” is “Fukushima City” in the municipality for the A provider, and “Fukushima City” in the municipality and “Fukushima” in the prefecture in the B provider. Prefecture. In the C provider, “Fukushima Station” exists in both Osaka City and Fukushima City, and these are searchable conditions that enable the search for the nearest station.
Here, “Fukushima City” can be a consistent search condition for the A provider and B provider, but “Fukushima City” cannot be specified as the search condition for the C provider.
Therefore, there is no condition that can be specified as a search condition with consistent contents in all of A provider, B provider, and C provider.

In such a case, the search condition editing unit 22 has a large number of search service providers that can be specified as search conditions from among the searchable conditions that are determined to be unable to be specified as search conditions with consistent contents by a plurality of search service providers. Select. In these search service providers, if the selected searchable condition can be designated as a consistent search condition, it is output as a search condition.
In the above example, “Fukushima City” that can be specified as a search condition by the A provider and the B provider is selected. In this case, “Fukushima City” of the municipality can be specified as a search condition in both the A provider and the B provider, and the search condition can be consistent with these providers. For this reason, “Fukushima City” is output as a search condition.

In addition, when the search condition editing unit 22 cannot specify a search condition with consistent contents, the search condition editing unit 22 edits the search condition into a condition that can be specified as a search condition with consistent contents.
For example, of the selected searchable conditions, a condition that can be specified for a search service provider whose priority is higher than a predetermined order is selected. When performing a facility search, a high priority may be given to a provider specializing in facility searches.
Note that the relationship between the search service provider and the priority order may be set in the search condition accepted by the mobile terminal 1.

Further, among the selected searchable conditions, a condition having a higher priority than a predetermined order may be selected. For example, a priority is assigned to each type of searchable condition, and a condition having a higher priority is preferentially selected.
Note that the relationship between the searchable condition and the priority order may be set in the search condition accepted by the mobile terminal 1.

Furthermore, when the search content is an area search, as an editing process for making a condition that can be specified as a search condition for consistent content, a condition that makes an area close to the current location the search range is selected.
This also makes it possible to obtain consistent search results with a plurality of search services.

The conversion processing unit 23 converts the search condition output from the search condition editing unit 22 into a data format corresponding to the search service providers 3-1 to 3-4.
The conversion processing unit 23 converts the search results received from the search service providers 3-1 to 3-4 into a data format that can be used by the search request source.
The search service providers 3-1 to 3-4 provide a plurality of search services having different search conditions and search result data formats. For this reason, a batch search can be performed by converting the data format by the conversion processing unit 23.

The search result editing unit 24 edits the search result whose data format has been converted by the conversion processing unit 23 so that it falls within the search range required by the search condition acquired by the search condition acquisition unit 20.
As an editing process, it is conceivable to filter the result searched under a wide search condition with the original search condition and delete an excessive result.
In addition, the results sorted under conditions unique to each search service provider may be sorted again under the same conditions.
Furthermore, when the facility information with the same store name and the same position coordinates is a search result, a process of collecting them may be performed.

For example, as described above, consider the result of partial match search performed on each of the words “A”, “B”, and “C” that are words extracted from the keyword “ABC”. These search results include a result that is composed only of the word “A” and does not satisfy the search condition of the fuzzy search. Such unnecessary results are filtered and deleted.
When search results from a plurality of search service providers are aggregated or when a search is performed for each word as described above in the same search service provider, the search results may not be consistent. In this case, the search results are sorted in the order of scores indicating the likelihood of fuzzy search.

The output control unit 25 outputs the search result edited by the search result editing unit 24 to the search request source. For example, the output control unit 25 communicates with the mobile terminal 1 via a communication network such as the Internet and transmits a search result.
Although FIG. 1 shows the case where the search control device 2 is a device provided separately from the mobile terminal 1, the search control device 2 may be a device built in the mobile terminal 1.

FIG. 2A shows a hardware configuration that implements the function of the search control device 2, and FIG. 2B shows a hardware configuration that executes software that implements the function of the search control device 2.
Each function of the search condition acquisition unit 20, the searchable condition acquisition unit 21, the search condition editing unit 22, the conversion processing unit 23, the search result editing unit 24, and the output control unit 25 in the search control device 2 is realized by a processing circuit. .
That is, the search control device 2 includes a processing circuit for sequentially performing the following steps.
There is a step of acquiring a search condition and a step of acquiring a searchable condition that can be specified as a search condition in each of a plurality of search service providers. Next, there is a step of editing the search condition so that a range searchable by a plurality of search service providers specified by the acquired search condition includes a search range required by the acquired search condition. Subsequently, there is a step of converting the edited search condition into a data format corresponding to a plurality of search service providers, and converting search results received from the plurality of search service providers into a data format usable by a search request source. . Next, there is a step of editing the search result whose data format has been converted so that it falls within the search range required by the search condition acquired by the search condition acquisition unit.
Finally, there is a step of outputting the edited search result to the search request source.
The processing circuit may be dedicated hardware or a CPU (Central Processing Unit) that reads and executes a program stored in the memory.

As shown in FIG. 2A, when the processing circuit is a dedicated hardware processing circuit 100, the processing circuit 100 may be, for example, a single circuit, a composite circuit, a programmed processor, a parallel programmed processor, an ASIC ( An application specific integrated circuit (FPGA), a field-programmable gate array (FPGA), or a combination thereof is applicable.
The functions of the search condition acquisition unit 20, the searchable condition acquisition unit 21, the search condition editing unit 22, the conversion processing unit 23, the search result editing unit 24, and the output control unit 25 may be realized by processing circuits. However, the functions of the respective units may be realized by a single processing circuit.

As shown in FIG. 2B, when the processing circuit is the CPU 101, the search condition acquisition unit 20, the searchable condition acquisition unit 21, the search condition editing unit 22, the conversion processing unit 23, the search result editing unit 24, and the output control unit 25 The function is realized by software, firmware, or a combination of software and firmware.
Software and firmware are described as programs and stored in the memory 102. The CPU 101 reads out and executes the program stored in the memory 102, thereby realizing the functions of each unit. That is, the search control device 2 includes a memory 102 for storing a program that, when executed by the CPU 101, results from the processing of each step described above.
These programs also cause the computer to execute the procedures or methods of the search condition acquisition unit 20, the searchable condition acquisition unit 21, the search condition editing unit 22, the conversion processing unit 23, the search result editing unit 24, and the output control unit 25. Is.

  Here, the memory is, for example, a RAM (Random Access Memory), a ROM, a flash memory, an EPROM (Erasable Programmable ROM), an EEPROM (Electrically Programmable EPROM), or a non-volatile or volatile semiconductor memory, a magnetic disk, a flexible disk, An optical disc, a compact disc, a mini disc, a DVD (Digital Versatile Disk), and the like are applicable.

Note that some of the functions of the search condition acquisition unit 20, the searchable condition acquisition unit 21, the search condition editing unit 22, the conversion processing unit 23, the search result editing unit 24, and the output control unit 25 are realized by dedicated hardware. However, a part may be realized by software or firmware.
For example, the search condition acquisition unit 20 realizes its function by a dedicated hardware processing circuit 100, and a searchable condition acquisition unit 21, a search condition editing unit 22, a conversion processing unit 23, a search result editing unit 24, and an output control unit 25, the CPU 101 realizes its function by executing a program stored in the memory 102.
As described above, the processing circuit can realize the above-described functions by hardware, software, firmware, or a combination thereof.

Next, the operation will be described.
FIG. 3 is a flowchart showing the operation of the search control apparatus 2 according to the first embodiment. The search is collectively performed using a plurality of search service providers, and the search result is transmitted to the mobile terminal 1 that is the search request source. A series of processes up to are shown.
As a premise of the processing shown in FIG. 3, it is assumed that the search service provider group 3 includes an A provider, a B provider, and a C provider that provide non-uniform Web API. The A provider can perform a fuzzy search of facility names and a search search for municipalities for facility information managed by the A provider. The B provider can perform an AND search of all information such as store names and menus for restaurants, and a narrowing search for prefectures and municipalities. The C provider can perform an AND search of all information such as a store name and word-of-mouth information about a beauty salon and a narrow search for the nearest station.
In addition, in the facility information managed by Provider A, information on “Thai food Meyau” in Fukushima City is registered. In the facility information managed by B Provider, information called “Curry House Mayau” in Fukushima City is registered. However, “Curry House Mayau” is recognized as “Maeyau Curry”. In the facility information managed by the C provider, information “Mayau curry is a landmark” is registered as word-of-mouth information of a beauty salon in Fukushima Station.

  First, the searchable condition acquisition unit 21 acquires searchable conditions that can be specified as search conditions in the A provider, B provider, and C provider (step ST1). Here, the condition type, value range, and search method are acquired as searchable conditions.

Next, the search condition acquisition unit 20 acquires search conditions from the mobile terminal 1 (step ST2).
For example, if the utterance “Fukushima Mayau Curry” is recognized by the mobile terminal 1 and the following speech recognition result and the search method for the keyword “Meyer Curry” are fuzzy searches, the search condition is acquired as a search condition. Acquired by the unit 20.
<Words>
<Word type = "area"> Fukushima </ word>
<Word></word>
<Word type = “facility name”> Meyerau </ word>
<Word type = "facility name | industry"> curry </ word>
</ Words>

The search condition editing unit 22 determines whether or not a keyword is included in the search condition acquired by the search condition acquisition unit 20 (step ST3).
If no keyword is included in the search condition (step ST3; NO), the process proceeds to step ST5.

When a keyword is included in the search condition (step ST3; YES), the search condition editing unit 22 makes the searchable range in the A provider, B provider, and C provider include the search range requested by the keyword. The search condition is edited (step ST4).
Before editing the search condition, as shown on the left side of FIG. 4, the range A that can be searched by the A provider that performs the fuzzy search is requested by the fuzzy search of the search condition acquired by the search condition acquisition unit 20. It is the same as the search range T.
On the other hand, in the keyword search, the range C that can be searched by the C provider that performs only the AND search is narrower than the search range T corresponding to the fuzzy search, as is the range B that can be searched by the B provider that performs only the AND search. It is a range.
In this case, if the search condition is not edited, the B provider and the C provider perform a keyword search in a range narrower than the search range T required by the search condition, and the A provider, B provider, and C provider are consistent. There is a possibility that a certain search result cannot be obtained.

Therefore, in the present invention, the search conditions are set so that the range A that can be searched by the A provider, the range B that can be searched by the B provider, and the range C that can be searched by the C provider include the search range T required by the search conditions. To edit.
For example, the keyword in the acquired search condition is “Mayau curry”.
This keyword is composed of two words, “<word type =“ facility name ”> Meyerau </ word><word type =“ facility name | industry ”> curry </ word>”. For this reason, for the B provider and the C provider, the keywords that are subdivided are aggregated and edited into an AND search condition of “Mayau” AND “Curry”.
On the other hand, since the A provider can perform a fuzzy search, the search condition remains “Mayau curry”.

  By editing the search condition in this way, as shown on the right side of FIG. 4, the range B that can be searched by the B provider becomes the search range B1, and the range C that can be searched by the C provider becomes the search range C1. That is, the range A that can be searched by the A provider, the range B1 that can be searched by the B provider, and the range C1 that can be searched by the C provider are ranges including the search range T required by the search condition. Thereby, since the search within the search range T is executed in the A provider, the B provider, and the C provider, the search result that is consistent and desired by the user can be obtained.

  In step ST <b> 5, the search condition editing unit 22 determines each searchable condition of A provider, B provider, and C provider corresponding to the search condition acquired by the search condition acquisition unit 20. For example, “<word type =“ area ”> Fukushima </ word>” in the search condition is made to correspond to the type and value range of the searchable condition respectively acquired from the A provider, the B provider, and the C provider. Thereby, in the A provider, the searchable condition corresponding to the search condition is determined as “Fukushima City” in the municipality, and in the B provider, “Fukushima Prefecture” in the prefecture and “Fukushima City” in the municipality are determined. . The C provider is determined to be “Fukushima Station” as the nearest station in Osaka City and “Fukushima Station” as the nearest station in Fukushima City.

It should be noted that the search condition includes a search target business type “<word type =“ facility name | business type ”> curry </ word>”. For this reason, if the A provider, the B provider, and the C provider can perform a narrow search by industry, it is understood that the C provider that performs only a search for a beauty salon unrelated to “curry” cannot respond to the industry. .
In this case, the search condition editing unit 22 excludes the C provider from the search target providers. By selecting search service providers in this way, useless search processing can be avoided.

Next, the search condition editing unit 22 determines whether or not the searchable condition determined in step ST5 can be specified as a search condition with consistent contents in all of the A provider, the B provider, and the C provider (step). ST6).
If it is determined that the search condition can be designated as a consistent search condition (step ST6; YES), the process proceeds to step ST10 using the determined search enable condition as the search condition.

In the above example, the searchable conditions determined in step ST5 include “Fukushima Prefecture” in the prefecture, “Fukushima City” in the municipality, and “Fukushima Station” in the nearest station. It is determined that it is impossible (step ST6; NO).
At this time, the search condition editing unit 22 preferentially selects a condition with many available search service providers from the searchable conditions determined in step ST5 (step ST7).
For example, “Fukushima City” of the municipality can be used by the A provider and the B provider, so “Fukushima City” of the municipality is selected as the search condition.

  Before such editing is performed, the ranges that can be searched by the A provider, the B provider, and the C provider are the range A, the range Ba, Bb, and the range Ca, Cb as shown on the left side of FIG. Here, the range A is a range that can be searched by an A provider that performs a search for a municipality. The range Ba is a range that can be searched by a B provider that performs a search for a municipality, and the range Bb is a range that can be searched by a B provider that performs a search for a prefecture. The ranges Ca and Cb are ranges that can be searched by a C provider that performs a search for the nearest station, and two ranges, a station in Osaka city and a station in Fukushima city, can be searched.

As described above, “Fukushima City” in the municipality can be used by the A provider and the B provider, and is therefore included in both the range A that can be searched by the A provider and the range Ba that can be searched by the B provider. If so, it can be specified as a search condition with consistent contents between A provider and B provider.
Therefore, in the present invention, as shown on the right side of FIG. 5, a search in which a range T included in both the range A that can be searched by the A provider and the range Ba that can be searched by the B provider is requested by the search condition. Select the searchable condition so that it falls within the range. In the above example, “Fukushima City” of the municipality is selected.

Subsequently, the search condition editing unit 22 determines whether or not the searchable condition selected up to step ST7 can be uniquely determined as the search condition (step ST8). If it is determined uniquely (step ST8; YES), the process proceeds to step ST10 using the determined searchable condition as the search condition. In the above example, it can be specified as a search condition that matches “Fukushima City” in the municipality, “Meayau” in the facility name, and “Curry”.
By selecting the searchable conditions in this way, it is possible to obtain search conditions with consistent contents between the A provider and the B provider.

When the search condition is selected and the search condition is not uniquely determined (step ST8; NO), the search condition editing unit 22 uniquely identifies the searchable condition selected up to step ST7 according to a predetermined priority order. The search condition is narrowed down (step ST9).
For example, in the case of the provider B, not only the search for the municipalities but also the search for the nearest station can be performed, and the nearest station “Fukushima Station” can be designated as a search condition together with the provider C. In this case, in the B provider, “Fukushima Station” of the nearest station and “Fukushima City” of the municipality are selected as searchable conditions corresponding to the search conditions. For this reason, there are a plurality of conditions where there are many search service providers that can be used, and the search conditions cannot be specified.

In such a case, editing that uniquely narrows down the search condition is performed.
For example, when provider A is a search service provider with a higher priority such as a higher number of searches than other providers or a high degree of name recognition, a condition including A provider is preferentially selected as a search condition. .
In this case, the priority order of search service providers that handle a large amount of information is set higher than a predetermined priority order. The predetermined priority order may be a priority order set for a search service provider that handles a small amount of information. By doing in this way, a search result with a high user merit can be obtained from a plurality of search services.
In addition, among searchable conditions selected up to step ST7, a higher condition may be selected according to a predetermined priority order so that search service providers that cannot be searched under the same search condition are excluded. In this case, a priority higher than a predetermined priority is set for searchable conditions that can be search conditions by a plurality of search service providers. In this way, search service providers that cannot be searched under the same search condition are excluded, and search results with consistent contents can be obtained by a plurality of search service providers.

Further, if priority is given to narrowing down the search target to a pinpoint, the searchable condition of the nearest station is preferentially selected as the search condition.
When the searchable range by the A provider, the B provider, and the C provider is the relationship shown on the left side of FIG. 6, when the searchable condition in which the area close to the current location is the search range is selected as the search condition, the right side of FIG. The search range relationship is as shown. In this case, the distance D between the user's current position P1 and “Fukushima Station” is within a predetermined range, and the search condition editing unit 22 determines that the area is close to the current location. As a result, the range Cb that can be searched at the nearest station “Fukushima Station” by the C provider is determined to be the range T required by the search condition.

  Subsequently, the conversion processing unit 23 converts the search conditions determined as described above by the search condition editing unit 22 into data formats corresponding to the A provider, the B provider, and the C provider, and then the A provider, the B provider, Output to C provider. As a result, the A provider, the B provider, and the C provider perform a collective search using the above search conditions (step ST10).

Thereafter, the conversion processing unit 23 converts the search results received from the A provider, the B provider, and the C provider into a data format that can be used by the mobile terminal 1 (step ST11).
Next, the search result editing unit 24 performs a search result narrowing process in which the data format is converted by the conversion processing unit 23 (step ST12).
That is, the search result editing unit 24 edits the search result so that it falls within the search range requested by the search condition acquired by the search condition acquisition unit 20.

For example, even if there is no keyword “curry”, the search result by provider A includes a result of “Thai food Mayau” by fuzzy search.
On the other hand, the search result by the C provider includes a search result of a beauty salon related to “Mayau curry is a landmark” by a keyword search with respect to the word-of-mouth information “Mayau curry is a landmark”.
Therefore, the search results are filtered so as to be within the search range determined by the search conditions “Fukushima City” of the municipality, “Meiyau” of the facility name, and “Curry” determined as described above. As a result, only search results that match the municipality “Fukushima City”, the facility name “Meyau”, and “curry” are extracted, and unnecessary results such as the beauty salon search results are deleted.

Finally, the output control unit 25 transmits the search result after narrowing down to the mobile terminal 1 (step ST13). For example, the output control unit 25 communicates with the mobile terminal 1 via a communication network such as the Internet and transmits a search result.
Conventionally, inconsistent and collective search using a plurality of search service providers returned unexpected results of the user. According to the present invention, consistent and reliable results are obtained by the user. Can be obtained.

  In addition, although the case where filtering was performed with respect to a search result was shown, you may implement any edit processing of a sort and aggregation. Even in this case, only search results that are consistent and desired by the user can be provided.

As described above, the search control device 2 according to the first embodiment has the configuration shown in FIG. 1 so that a searchable range by a plurality of search service providers includes a search range required by a search condition. Edit the search conditions specified for multiple search service providers.
In this way, consistent search results can be obtained with a plurality of search services. Further, since unnecessary search processing can be omitted by editing, the search response speed can be improved.

  Further, in the search control device 2 according to the first embodiment, the search condition editing unit 22 includes a plurality of searches among the searchable conditions for each search service provider corresponding to the search conditions acquired by the search condition acquisition unit 20. A condition that can be specified as a search condition with consistent contents by the service provider is output as a search condition. In this way, consistent search results can be obtained with a plurality of search services.

Furthermore, in the search control device 2 according to the first embodiment, the search condition editing unit 22 can be specified as a search condition among the searchable conditions determined to be unable to be specified as a search condition with consistent contents by a plurality of search service providers. Select conditions with a large number of search service providers. The search condition editing unit 22 outputs these search service providers as search conditions if the selected searchable conditions can be designated as consistent search conditions. When it is impossible to specify a consistent content search condition, the search condition editing unit 22 edits and outputs a condition that can be specified as a consistent content search condition.
In this way, consistent search results can be obtained with a plurality of search services.

  Furthermore, in the search control device 2 according to the first embodiment, the search condition editing unit 22 performs an edit process that makes it possible to specify a search condition with consistent contents so that a search service provider with a lower priority is excluded. From the selected searchable conditions, conditions that can be designated as a search service provider having a high priority according to a predetermined priority are selected. In this way, consistent search results can be obtained with a plurality of search services.

  Furthermore, in the search control device 2 according to the first embodiment, the search condition editing unit 22 can be specified as a search condition with consistent contents so that search service providers that cannot be searched under the same search condition are excluded. As an editing process to be a special condition, a condition that is higher in a predetermined priority order is selected from the selected searchable conditions. In this way, consistent search results can be obtained with a plurality of search services.

Furthermore, in the search control device 2 according to the first embodiment, when the search content is an area search, the search condition editing unit 22 is close to the current location as an editing process for making a condition that can be designated as a consistent content search condition. Select the conditions that make the area the search range.
In this way, consistent search results can be obtained with a plurality of search services.

Further, in the search control device 2 according to the first embodiment, the searchable condition acquisition unit 21 includes the type of business, the type of facility or store, the owned equipment, the provided service, the administrative division including the region, the prefecture, the municipality, and the search method. At least one of them is acquired as a searchable condition.
In this way, it is possible to accurately edit the search conditions for obtaining consistent search results.

  Further, in the search control device 2 according to the first embodiment, the searchable condition acquisition unit 21 acquires searchable conditions at a constant cycle for each search service provider, and updates the searchable conditions acquired in the past. By doing this, the searchable conditions that have already been acquired are updated to the latest searchable conditions at regular intervals, so the search conditions must be edited accurately to obtain consistent search results. Can do.

  Further, in the search control device 2 according to the first embodiment, the search condition editing unit 22 selects a search service provider, selects a condition specified as a search condition, subdivides, prioritizes, aggregates, and sets search keywords. One of selection, subdivision, and aggregation is performed as an editing process. In this way, it is possible to accurately edit the search conditions for obtaining consistent search results.

  Furthermore, in the search control device 2 according to the first embodiment, the search condition editing unit 22 subdivides the search keyword based on the speech recognition result or the morphological analysis result for the search keyword. In this way, it is possible to accurately edit the search conditions for obtaining consistent search results.

  Furthermore, in the search control device 2 according to the first embodiment, the search condition editing unit 22 selects a result of segmenting the search keyword based on the likelihood of the speech recognition result or the morphological analysis result. In this way, it is possible to accurately edit the search conditions for obtaining consistent search results.

Furthermore, in the search control device 2 according to the first embodiment, the search result editing unit 24 filters and sorts the search results so that they fall within the search range required by the search conditions acquired by the search condition acquisition unit 20. And edit processing of any one of aggregation.
By doing so, it is possible to provide only search results that are consistent and desired by the user.

  In the present invention, any component of the embodiment can be modified or any component of the embodiment can be omitted within the scope of the invention.

  DESCRIPTION OF SYMBOLS 1 Mobile terminal, 2 Search control apparatus, 3 Search service provider group, 3-1 to 3-4 Search service provider, 20 Search condition acquisition part, 21 Searchable condition acquisition part, 22 Search condition edit part, 23 Conversion processing part, 24 search result editing unit, 25 output control unit, 100 processing circuit, 101 CPU, 102 memory.

Claims (13)

  1. A search condition acquisition unit for acquiring search conditions;
    A searchable condition acquisition unit that acquires searchable conditions that can be specified as search conditions in each of a plurality of search service providers;
    The range searchable by the plurality of search service providers specified by the searchable condition acquired by the searchable condition acquisition unit includes the search range requested by the search condition acquired by the search condition acquisition unit. A search condition editing section for editing the search condition,
    The search condition output from the search condition editing unit is converted into a data format corresponding to the plurality of search service providers, and the search results received from the plurality of search service providers are converted into a data format usable by a search request source. A conversion processing unit to convert;
    A search result editing unit that edits the search result whose data format has been converted by the conversion processing unit so as to be within the search range required by the search condition acquired by the search condition acquiring unit;
    A search control apparatus comprising: an output control unit that outputs a search result edited by the search result editing unit to a search request source.
  2.   The search condition editing unit can be designated as a search condition having consistent contents among the plurality of search service providers among searchable conditions for each search service provider corresponding to the search conditions acquired by the search condition acquisition unit. The search control apparatus according to claim 1, wherein the condition is output as a search condition.
  3.   The search condition editing unit selects a condition that has a large number of search service providers that can be specified as search conditions from among the searchable conditions that are determined to be unable to be specified as consistent search conditions by the plurality of search service providers. In these search service providers, if the selected searchable condition can be specified as a consistent search condition, it is output as a search condition, and if it cannot be specified as a consistent search condition, it is consistent. 3. The search control apparatus according to claim 2, wherein the search control apparatus edits and outputs a condition that can be specified as a search condition for the content.
  4.   The search condition editing unit is determined in advance among the selected searchable conditions as an editing process for making a condition that can be specified as a search condition with consistent contents so that a search service provider having a low priority is excluded. 4. The search control apparatus according to claim 3, wherein a condition including a search service provider having a higher priority is selected according to the priority.
  5.   The search condition editing unit is configured to edit the selected searchable condition as an edit process that can be specified as a search condition with consistent contents so that search service providers that cannot be searched with the same search condition are excluded. 4. The search control device according to claim 3, wherein a higher condition is selected according to a predetermined priority order.
  6.   When the search content is an area search, the search condition editing unit selects a condition in which an area close to the current location is a search range as an edit process that can be designated as a consistent content search condition. The search control device according to claim 3.
  7.   The searchable condition acquisition unit acquires, as a searchable condition, at least one of a business type, a type of facility or store, a possessed facility, a provided service, an administrative division including a region, a prefecture or a municipality, and a search method. The search control device according to any one of claims 1 to 6, wherein:
  8.   The searchable condition acquisition unit acquires a searchable condition at a predetermined cycle for each search service provider, and updates the searchable condition acquired in the past. The search control device according to claim 1.
  9.   The search condition editing unit edits any of search service provider selection, condition selection specified as search conditions, subdivision, prioritization, aggregation, keyword selection, subdivision, and aggregation The search control apparatus according to claim 1, wherein the search control apparatus is implemented as follows.
  10.   The search control device according to claim 9, wherein the search condition editing unit subdivides the keyword based on a speech recognition result or a morphological analysis result for the keyword.
  11.   The search control device according to claim 10, wherein the search condition editing unit selects a result of subdividing the keyword based on likelihood of a speech recognition result or a morphological analysis result.
  12.   The search result editing unit performs any editing process of filtering, sorting, and aggregation on the search result so as to be within a search range requested by the search condition acquired by the search condition acquiring unit. The search control device according to any one of claims 1 to 11, wherein the search control device is any one of claims 1 to 11.
  13. A search condition acquisition unit acquiring a search condition;
    A step in which a searchable condition acquisition unit acquires a searchable condition that can be specified as a search condition in each of a plurality of search service providers;
    The search condition editing unit is requested by the search condition acquired by the search condition acquiring unit to search for the plurality of search service providers specified by the searchable condition acquired by the searchable condition acquiring unit. Editing the search criteria to include a search range,
    The conversion processing unit converts the search condition output from the search condition editing unit into a data format corresponding to the plurality of search service providers, and uses search results received from the plurality of search service providers at a search request source. Converting to a possible data format;
    A search result editing unit that edits the search result whose data format has been converted by the conversion processing unit so as to be within a search range required by the search condition acquired by the search condition acquisition unit;
    A search control method, comprising: an output control unit outputting the search result edited by the search result editing unit to a search request source.
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JP2003316782A (en) * 2002-04-24 2003-11-07 Nippon Telegr & Teleph Corp <Ntt> Aggregation server for content and its aggregation method
JP2003323443A (en) * 2002-05-02 2003-11-14 Nippon Telegr & Teleph Corp <Ntt> Integrated retrieving method and device utilizing inquiry optimization, program and recording medium
JP2011107880A (en) * 2009-11-16 2011-06-02 Nippon Telegr & Teleph Corp <Ntt> Device, method, and program for discriminating information consistency
JP2014002717A (en) * 2012-05-23 2014-01-09 Denso Corp Information retrieval system, relay server, data format conversion program, and mobile terminal

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001092844A (en) * 1999-09-24 2001-04-06 Nippon Telegr & Teleph Corp <Ntt> Method and device for transforming inquiry to different kinds of information sources and storing medium storing program for transforming inquiry to different kinds of information sources
JP2003316782A (en) * 2002-04-24 2003-11-07 Nippon Telegr & Teleph Corp <Ntt> Aggregation server for content and its aggregation method
JP2003323443A (en) * 2002-05-02 2003-11-14 Nippon Telegr & Teleph Corp <Ntt> Integrated retrieving method and device utilizing inquiry optimization, program and recording medium
JP2011107880A (en) * 2009-11-16 2011-06-02 Nippon Telegr & Teleph Corp <Ntt> Device, method, and program for discriminating information consistency
JP2014002717A (en) * 2012-05-23 2014-01-09 Denso Corp Information retrieval system, relay server, data format conversion program, and mobile terminal

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