JP3498635B2 - Information retrieval method and apparatus, and computer-readable recording medium - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to information retrieval, and more particularly to an information retrieval method and apparatus for automatically retrieving a retrieval keyword entered in kana characters by converting it into kanji.

[0002]

2. Description of the Related Art In an information retrieval device for retrieving data corresponding to a keyword designated by a user from a large amount of stored data, when accepting the keyword in Japanese, the user is required to enter the pronunciation of the keyword in hiragana. After that, the kana-kanji conversion function is used to convert to a character string containing a desired kanji, and a search is executed using the converted character string as a keyword. For example, the user inputs "candy" from the keyboard and then presses the conversion key to convert it into "candy",
Next, when the search start key is pressed, the search is executed using "candy" as a keyword, and the data related to "candy" is presented to the user as the search result. In addition, the user is "Ame"
After inputting, it is converted into "rain" and the search start key is pressed, the search is executed using "rain" as a keyword, and the data related to "rain" is presented to the user as the search result.

As described above, the conventional information retrieving apparatus for retrieving with Japanese keywords carries out retrieval with a unique character string determined by the user by kana-kanji conversion as a keyword.

On the other hand, in Japanese Unexamined Patent Publication No. 3-222059, when a user issues a search instruction in the state where one candidate character string by kana-kanji conversion is displayed, the candidate character string is used as a keyword in the address book. A technique for searching a database such as and displaying the search result is described. Although not explicitly described in the publication, it is considered that if the candidate character string is replaced with another candidate character string and a search instruction is issued, the database is searched again.

[0005]

[Problems to be solved by the invention] With the internationalization, the number of foreigners living in Japan is increasing. Some of them are
I understand Hiragana to some extent, but many people are not good at kanji. Sometimes you don't know what Kanji is registered as the keyword of the information you want. In addition, the age of computer users is also declining, and here again, kanji are often weak. When such a user uses the conventional information retrieval device, the following problems occur.

[0006] In the conventional information retrieving apparatus that executes retrieval using only the character string determined by the user by kana-kanji conversion as a keyword, if the desired information cannot be retrieved, it is necessary to always perform the operation again from the beginning. Sex is extremely deteriorated. For example, suppose that there are three candidate character strings corresponding to "Ame" after conversion into Kana and Kanji, "rain", "candy", and "ten", all three candidate character strings must be searched. In the worst case, the user needs to perform the following operations.

Operation 1; "Ame" input operation 2; conversion instruction (this causes "Ame" to be converted to "rain") operation 3; search instruction (this causes "rain" as a keyword Search is executed and search results are displayed. Operation 4; Input operation of "ame"5; Conversion instruction (Since "rain" was recently used in operation 2, "ame" is converted to "rain" Operation 6; Conversion instruction (this causes "rain" to be converted to "candy") Operation 7; Search instruction (this allows a search with "candy" as a keyword to be executed and the search results to be displayed Operation 8; “Ame” input operation 9; conversion instruction (since “candy” was recently used in operation 6, “candy” is converted to “candy”) Operation 10; conversion instruction ( As a result, "candy" is converted to "heaven". Operation 11: Search instruction (this causes "heaven") The search is executed with "" as the keyword, and the search results are displayed.)

Further, in the information search apparatus to which the technique described in Japanese Patent Laid-Open No. 3-222059 is applied, if a candidate character string is replaced with another candidate character string and a search instruction is issued, the database is searched again. It is not necessary to perform the operation again from the beginning when the target information cannot be retrieved, but still many operations are required as follows.

Operation 1; "Ame" input operation 2; conversion instruction (this causes "Ame" to be converted to "rain") operation 3; search instruction (this causes "rain" as a keyword) Search is performed and search results are displayed. Operation 4; Conversion instruction (this causes "rain" to be converted to "candy") Operation 5; Search instruction (this causes "candy" as a keyword) The search is performed and the search results are displayed. Operation 6; Conversion instruction (this causes "candy" to be converted to "heaven") Operation 7; Search instruction (this causes "heaven" as a keyword) The search is executed and the search results are displayed.)

In any case, since the user is left to select the candidate character string to be used as the keyword, there is a possibility that the candidate character string may not be selected. In that case, the target data is searched. It will not be possible. For example, in the above-mentioned example, if the kana-kanji conversion operation to “ten” and the search instruction are forgotten, the data related to “ten” will not be searched. Such a situation is likely to occur when the number of candidate character strings is large.

An object of the present invention is to provide an information retrieving method and an apparatus for retrieving the information only by reading it without knowing the kanji.

Another object of the present invention is to provide an information search method and apparatus for automatically converting a search keyword input in kana characters into kanji and performing a search.

Another object of the present invention is to provide an information retrieval method and an apparatus therefor capable of significantly reducing the number of operations by the user.

Still another object of the present invention is to provide an information retrieval method and apparatus capable of conducting a retrieval without omission.

[0015]

According to the present invention, a search keyword input by a user in hiragana is automatically converted into kana-kanji to obtain all candidate character strings, and each of the obtained candidate character strings is used as a search keyword. And automatically execute the search.
More specifically, it has the following configuration.

[0016] Such information retrieval method in the first invention, an information retrieval method for retrieving information corresponding to the input from the user keyword, tentative keyword from the input device
Inputting the name string and inputting the Kana character string
Then, if a search instruction is input from the input device,
Can, obtains all candidate strings kanji conversion to kana character string the input, perform a search option character strings each obtained the as a search keyword, using the search results obtained search keyword It is stored in a memory in association with a candidate character string, and one candidate character string and its corresponding
Steps to read the search results and output to the output device
And the input device gives an instruction to output the next search result.
Each time it is executed, one candidate character string that has not been output yet and its
The search results corresponding to these are read from the memory before
And outputting to the output device .

An information retrieval apparatus according to a second aspect of the present invention is an information retrieval apparatus for retrieving information corresponding to a keyword input by a user, wherein a kana-kanji conversion dictionary and a retrieval result list table for storing retrieval results. And input the kana character string of the keyword from the input device ,
After inputting the character string, a search instruction is input from the input device.
When input, the kana-kanji conversion means for converting the input kana-character string into all candidate character strings using the dictionary, and searching each candidate character string obtained by the kana-kanji conversion means A search means for performing a search as a keyword and storing the obtained search result in the search result list table in association with the candidate character string used as the search keyword;
One candidate character string and its corresponding search from the memory
Read the result and output it to the output device.
Every time the device gives an instruction to output the next search result,
Corresponding to one candidate character string that has not been output yet
Search result output means for reading the search result from the memory and outputting the read result to the output device.

As described above, according to the first and second aspects of the present invention, since the search keyword entered in kana characters is automatically converted into kanji for searching, it is necessary for the user to instruct kana-kanji conversion. The number of operations by the user can be greatly reduced, and a search using all candidate character strings as search keywords is automatically performed, so that a complete search can be performed.

Further information retrieval method according to the third invention, in the information retrieval method for retrieving information corresponding to the input from the user keyword, keyword from the input device
Inputting a kana character string of
Following the input of, the search instruction is input from the input device.
Then, the inputted kana character string is converted into kana-kanji to obtain all candidate character strings , and the obtained candidate character strings and the inputted kana character string are searched as search keywords to obtain The search results are stored in the memory in association with the character string used for the search keyword.
The inputted kana character string and the corresponding search result
Reading out and outputting to an output device;
Every time the device gives an instruction to output the next search result,
Corresponding to one candidate character string that has not been output yet
Read the search result from the memory and output it to the output device.
And a step of outputting .

An information retrieval apparatus according to a fourth aspect of the present invention is an information retrieval apparatus for retrieving information corresponding to a keyword input by a user, wherein a kana-kanji conversion dictionary and a retrieval result list for storing retrieval results. Enter the Kana character string of the keyword from the table and the input device , and
After inputting the Kana character string, enter the search command from the input device.
When an indication is input, a kana-kanji conversion means for converting the input kana-character string into all candidate character strings using the dictionary, and each candidate character string obtained by the kana-kanji conversion means. Is used as a search keyword, and the obtained search result is stored in the search result list table in association with the candidate character string used as the search keyword; and the input kana character string is used as the search keyword. And the kana character search means for associating the obtained search result with the character string used as the search keyword and storing it in the search result list table, and the input from the memory.
The retrieved kana character string and the corresponding search results
Output to the output device, and then the next search from the input device.
Every time the instruction to output the result is issued, it is not output yet.
The one candidate character string and the corresponding search result are
Search result output means for reading out from the memory and outputting to the output device.

In the above third and fourth inventions,
In addition to the same effects as the first and second inventions, a search using the inputted kana character string as a search keyword is also performed, so that a more complete search can be performed.

[0022]

BEST MODE FOR CARRYING OUT THE INVENTION Next, an example of an embodiment of the present invention will be described in detail with reference to the drawings.

With reference to FIG. 1, an embodiment of the information retrieval apparatus of the present invention comprises an input device 1 such as a keyboard, a data processing device 2 operated by program control, a storage device 3 for storing information, and a display. And an output device 4 such as a device or a printing device.

The storage device 3 is, for example, a main storage (memory) that constitutes a computer, and includes a dictionary storage unit 31, an information storage unit 32, and a search result list table 33.

The dictionary storage section 31 is a section for storing a dictionary 311 for converting kana-kanji characters. The dictionary 311 stores each character string consisting of kana characters as an entry word and the corresponding kanji as information in advance.

The information storage unit 32 stores information 3 to be searched.
This is a part for storing a large number of 21. An entry word 322 is added to each piece of information 321 so that the information 321 can be searched by the entry word 322. Information 3
21 may be the information itself to be finally presented to the user (for example, the content of the document itself when the documents are stored), or the outline of the information to be finally presented (for example, the name of the document or Outline). Further, it may be information indicating a place where information to be finally presented is stored.

The search result list table 33 is a table for temporarily storing the information retrieved from the information storage section 32.

On the other hand, the data processing device 2 is, for example, a CPU which constitutes a computer, and is provided with kana-kanji conversion means 21, search means 22 and search result output means 23 as functional means.

The kana-kanji conversion means 21 converts the kana character string given as a search keyword from the input device 1 into the dictionary 3
It is a means to convert to a character string containing Kanji using 11.
When there are a plurality of candidate character strings, all the character strings are obtained.

The search means 22 searches the information storage section 32 using each candidate character string obtained by the kana-kanji conversion means 21 as a search keyword, and obtains the obtained search result as a candidate character string used as the search keyword. It is means for associating and storing in the search result list table 33.

The search result output means 23 is means for outputting each search result stored in the search result list table 33 to the output device 4 together with the corresponding candidate character string.

FIG. 2 is a flow chart showing a processing example of the embodiment shown in FIG. The operation of this embodiment will be described below with reference to the drawings.

When searching for information, the user inputs a search keyword in hiragana from the input device 1 and gives an instruction to start the search. In response to this search start instruction, the data processing device 2 starts the process shown in FIG.

First, the kana-kanji conversion means 21 inputs the character string of the hiragana character forming the search keyword from the input device 1 and searches the dictionary 311 for the kanji corresponding to the entry word that matches the input character string. , The hiragana search keyword is converted into a kana-kanji search keyword containing kanji (step A1). At this time, if there are a plurality of candidate character strings, all candidate character strings are obtained.
Further, if the kana-kanji conversion fails, that is, if none of the candidate character strings including kanji could be converted (No in step A2), in the present embodiment, it is determined that the search is impossible and a message indicating that the search is impossible. Is output to the output device 4 (step A9), and the process ends.

On the other hand, when the kana-kanji conversion is successful (Yes in step A2), the search means 22 searches the information storage part 32 using one of the candidate character strings converted by the kana-kanji conversion means 21 as a search keyword. Then, the search result is stored in the search result list table 33 in association with the candidate character string used for the search keyword (step A3).
4). That is, the entry word 32 that matches the search keyword
All the information 321 with 2 is extracted and stored in the search result list table 33 in association with the candidate character string used as the search keyword. Next, it is checked whether or not there is a candidate character string that is not yet used as a search keyword, and if there is any (Yes in step A5), one of them is used as a search keyword to search the information storage unit 32, and the search result is obtained. Is stored in the search result list table 33 in association with the candidate character string (steps A3 and A4). In this way, when the search process using all the candidate character strings as the search keyword ends (No in step A5), the search means 22 transfers control to the search result output means 23.

The search result output means 23 reads out one candidate character string stored in the search result list table 33 and the search result corresponding to it, and outputs it to the output device 4 (step A6). Thereby, the user can confirm the content of one search keyword after kana-kanji conversion corresponding to the search keyword input in hiragana and the search result using it.

After outputting the search result, the search result output means 23 waits for a response from the user, and when the user obtains a response from the input device 1 that the current search result is good (Yes in step A7). , The process ends.

On the other hand, when the user has instructed to present the next search result because the current search result is not the desired one (No in step A7), the candidate character which has not been presented to the user yet. It is checked whether or not the column and its search result remain in the search result list table 33, and if they remain (Yes in step A8), one candidate character string in them and the corresponding search result are read out, Output device 4
(Step A6). This allows the user to
It is possible to confirm the content of another one search keyword after conversion into kana and kanji corresponding to the search keyword input in hiragana and the search result using the same. Further, if all the candidate character strings stored in the search result list table 33 and the search results have already been output and there is no candidate character string that has not been presented to the user yet (No in step A8), For example, a message indicating that there is no other candidate character string or search result is output to the output device 4 (step A
9), the process ends.

Next, the operation of this embodiment will be described using a specific example. As an example, it is assumed that the dictionary 311 has only three kanji characters “rain”, “candy”, and “ten” registered as a headword with the kana character string “ame” as a search keyword from the user. It is assumed that "candy" has been entered.

The kana-kanji conversion means 21 stores the dictionary information having the inputted kana character string "ame" as an entry word in the dictionary 311.
To obtain three candidate character strings “rain”, “candy”, and “heaven” (step A1). Next, the search means 22
Using “rain”, “candy”, and “heaven” as search keywords, the information storage unit 32 is searched for information 321 that has them as entry words 322, and as shown in FIG. The search result is stored in the search result list table 33 in association with (steps A3, A4, A
5). In the example of FIG. 3, five pieces of information about “rain” are
Three pieces of information regarding "candy" are stored as search results, and a situation in which no search result exists for "heaven" is shown.

Next, the search result output means 23 first outputs the first candidate character string "rain" and its search result from the search result list table 33 to the output device 4 (step A6). The user confirms the information included in the search result, and if the information is the target information, inputs a response indicating that the current search result is good, but the example of FIG. 3 shows a case where the information is not the target information. Therefore, the search result output means 23 outputs the next candidate character string “candy” and the search result to the output device 4 (steps A7, A8, A6). And
In the case of FIG. 3, since this information is the target information, the processing is completed at this point.

As described above, according to the present embodiment, the search keyword entered by the user in kana characters is automatically converted into all the candidate character strings by kana-kanji characters, and each of the candidate character strings is converted into the search keyword. Since the search is performed as, it is possible to significantly reduce the number of operations by the user and perform a search without omission. For example, in the case of the above example, the following operations are sufficient even in the worst case.

Operation 1; "Ame" input operation 2; Search instruction (this causes "Ame" to be "rain",
Kana-Kanji conversion to convert to "candy" and "heaven", and "rain",
Searches with "candy" and "heaven" as search keywords and output of "rain" and its search results are performed. Operation 3; Output instruction of the next candidate (this causes "candy" and its search results to be output). Output is performed) Operation 4; Output instruction of next candidate (this outputs "heaven" and its search result)

Further, since the search result list table 33 is provided on the main memory (memory) which can be directly accessed from the data processing device 2, the retrieval result of the next candidate can be executed at high speed.

Next, another embodiment of the present invention will be described in detail with reference to the drawings.

Referring to FIG. 4, in another embodiment of the information searching apparatus of the present invention, the data processing apparatus 5 has a structure of the data processing apparatus 2 in the embodiment shown in FIG. It is different from the previous embodiment in that it further includes 24.

The kana character search means 24 searches the information storage section 32 using the input kana character string as a search keyword, associates the obtained search results with the kana character string used as the search keyword, and lists the search results. It is a means for storing in the table 33. In this embodiment, this kana character search means 2
4 is different from the previous embodiment in that the search is always performed using the inputted kana character string itself. If the kana-kanji conversion means 21 succeeds in converting the input character string into kana-kanji characters, the converted character string is also searched.

FIG. 5 is a flow chart showing a processing example of the embodiment of FIG. The operation of this embodiment will be described below with reference to the drawings.

When searching for information, the user inputs a search keyword in hiragana from the input device 1 and gives an instruction to start the search. In response to this search start instruction, the data processing device 5 starts the process shown in FIG.

First, as in the embodiment of FIG. 1, the kana-kanji conversion means 21 uses the kana-kanji conversion dictionary stored in the dictionary storage 31 to convert the hiragana-kana characters input from the input device 1 into kana-kanji characters. Find all candidate character strings (step A
1).

Next, the kana character search means 24 uses the input device 1
The information storage unit 32 is searched by using the kana character string input from the search keyword (step A10). Then, all information having the kana character string as an entry word is stored as a search result in the search result list table 33 in association with the kana character string (step A4). Thereafter, control is passed to the search means 22.

If there is a candidate character string converted by the kana-kanji conversion means 21, the search means 22 searches the information storage section 32 using one of the candidate character strings as a search keyword (steps A5 and A3), and searches. The result is stored in the search result list table 33 in association with the candidate character string used as the search keyword (step A4). Next, it is checked whether or not there is a candidate character string that is not yet used as a search keyword (step A5). If there is, a search keyword is used to search the information storage unit 32, and the search result is searched. The process of storing the search result list table 33 in association with the candidate character string is repeated (steps A3 and A4). When the search process using all candidate character strings as search keywords is completed in this way, the search means 22 passes control to the search result output means 23. When the kana-kanji conversion unit 21 has not generated one candidate character string and the kana-kanji conversion fails, the search unit 22 determines that there is no next candidate when the control is passed from the kana-character search unit 24 (step No in A5),
Immediately, control is passed to the search result output means 23.

Similar to the embodiment of FIG. 1, the search result output means 23 reads one candidate character string stored in the search result list table 33 and the corresponding search result,
Output to the output device 4 (step A6), and if the user obtains a response indicating that the search result of this time is good through the input device 1 (Yes in step A7), terminates the process. No in step A7), it is checked whether or not the candidate character string that has not been presented to the user and its search result remain in the search result list table 33 (step A7).
8) If any remain, one of the candidate character strings and the search result corresponding thereto are read out and output to the output device 4 (step A6). Also, the search result list table 3
If all the candidate character strings stored in 3 and their search results have already been output and there is no candidate character string that has not been presented to the user yet (No in step A8), for example,
Output device 4 displays a message that there is no other search result.
(Step A9), and the process ends.

Next, the operation of this embodiment will be described using a specific example. As an example, in the dictionary storage unit 31, it is assumed that only the three kanji characters “rain”, “candy”, and “ten” are registered with the kana character string “Ame” as a headword, and the search keyword from the user. It is assumed that "Ame" is entered in the hiragana as.

The kana-kanji conversion means 21 stores dictionary information having the inputted kana character string "ame" as an entry word in the dictionary 311.
To obtain three candidate character strings “rain”, “candy”, and “heaven” (step A1).

Next, the kana character search means 24 uses "ame".
The information storage unit 32 is searched by using as a search keyword, and FIG.
As shown in, the search result is stored in the search result list table 33 in association with “candy”, while the search means 22 is
“Ame”, “candy”, and “heaven” are searched as search keywords from the information storage unit 32, and as shown in FIG. 6, the search results are associated with the candidate character strings used as the search keywords and the search results are listed. 33 (step A1)
0, A3, A4, A5). In the example of FIG. 6, two pieces of information about "ame" and five pieces of information about "rain"
Three pieces of information regarding "candy" are stored as search results, and a situation in which no search result exists for "heaven" is shown.

Next, the search result output means 23 first outputs the first candidate "Ame" and its search result from the search result list table 33 to the output device 4 (step A).
6). The user confirms the information included in the search result, and if the information is the target information, inputs a response that the search result of this time is good, but the example of FIG. 6 shows a case where the information is not the target information. Therefore, the search result output means 23 outputs "rain" which is the next candidate and its search result to the output device 4 (steps A7, A8, A6). The example of FIG. 6 shows a case where this is also not the target information, and therefore the search result output means 23 outputs the next candidate “candy” and its search result to the output device 4 ( Steps A7, A
8, A6). Then, in the case of FIG. 6, since this information is the target information, the processing is finished at this point.

As described above, according to this embodiment, the same effect as that of the embodiment shown in FIG. 1 can be obtained, and the search using the kana character string input by the user as the search keyword is automatically performed. Since the search is performed, the omission of the search can be further reduced.

FIG. 7 is a plan view showing a configuration example of a computer to which the present invention is applied. The computer A includes a computer main body B including a central processing unit, a main memory, a hard disk device, a floppy disk device, a CD-ROM unit, a display device C, a keyboard D, and a mouse E.
Composed of and. F is a floppy disk, CD-RO
It is a machine-readable recording medium such as M, in which an information retrieval program is recorded. The information retrieval program recorded on the recording medium F is read by the computer main body B and controls the operation of the computer main body B, so that in the embodiment shown in FIG. Each functional means of the kanji conversion means 21, the search means 22, and the search result output means 23 is generated, and
The dictionary storage unit 31 storing the dictionary 311 and the search result list table 33 in the initial state are generated. Moreover, in the embodiment of FIG. 4, the kana-kanji conversion means 21 and the search means 2
2, the search result output unit 23, the kana character search unit 24, and other functional units are generated, and the dictionary storage unit 31 storing the dictionary 311 and the search result list table 3 in the initial state are also included.
3 is generated.

Although the present invention has been described with reference to some embodiments, the present invention is not limited to the above embodiments, and various other additions and modifications can be made. For example, in the above embodiment <br/>, information storage unit 32 to be search target, it is assumed that exists directly accessible local storage on the data processing device, accessible via a communication line It may exist on a storage device installed at a remote location.

[0061]

As described above, according to the present invention, the following effects can be obtained.

A search keyword input by a user in hiragana is converted into kana-kanji to obtain all candidate character strings, and a search is performed using each of the candidate character strings as a search keyword.
Since the search result used for the search is output together with the search keyword, the user can perform the search without knowing the kanji in which the keyword is expressed, if he / she only knows the reading.

Kana-kanji conversion of a search keyword input in kana characters and a search using all candidate character strings obtained by this conversion as search keywords are automatically performed. Therefore, an operation for instructing kana-kanji conversion Since the operation for selecting the candidate character string is not necessary, the number of operations by the user can be significantly reduced.

Since all the candidate character strings obtained by the kana-kanji conversion are processed as search keywords, a complete search can be performed.

With the configuration in which the inputted kana character string itself is also searched as a search keyword, a more complete search can be performed.

[Brief description of drawings]

FIG. 1 is a block diagram of an embodiment of an information search device of the present invention.

FIG. 2 is a flowchart showing a processing example of an embodiment of the present invention.

FIG. 3 is a diagram showing a specific example of processing according to an embodiment of the present invention.

FIG. 4 is a block diagram of another embodiment of the information search device of the present invention.

FIG. 5 is a flowchart showing a processing example of another embodiment of the present invention.

FIG. 6 is a diagram showing a specific example of processing in another embodiment of the present invention.

FIG. 7 is a plan view showing a configuration example of a computer to which the present invention has been applied.

[Explanation of symbols]

1 ... Input device 2, 5 ... Data processing device 3 ... Storage device 4 ... Output device 21 ... Kana-Kanji conversion means 22 ... Search method 23 ... Search result output means 24 ... Kana character search means 31 ... Dictionary storage unit 32 ... Information storage unit 33 ... Search result list table 311 ... dictionary 321 ... Information 322 ... Headword

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Claims (6)

(57) [Claims] 1. An information retrieval method for retrieving information corresponding to a keyword input by a user, comprising the step of inputting a kana character string of a keyword from an input device.
And input of the Kana character string, followed by a search from the input device.
When an instruction is input, the input kana character string is converted into kana-kanji characters to obtain all candidate character strings, a search is performed using each obtained candidate character string as a search keyword, and the obtained search results are One candidate sentence is stored in the memory in association with the candidate character string used for the search keyword and stored in the memory.
Output device for reading out character strings and corresponding search results
And the instruction to output the next search result is issued from the input device.
Each time, one candidate character string that has not been output yet and
The corresponding search result is read from the memory and output.
And a step of outputting the information to the input device. 2. An information retrieval method for retrieving information corresponding to a keyword input by a user, comprising the step of inputting a kana character string of a keyword from an input device.
And input of the Kana character string, followed by a search from the input device.
When an instruction is input, the input kana character string is converted into kana-kanji characters to obtain all candidate character strings , and a search is performed using each of the obtained candidate character strings and the input kana character string as a search keyword. The obtained search results are associated with the character string used for the search keyword and saved in memory .
Corresponding to the input kana character string from the memory
The search result and the output step to output to the output device.
And an instruction to output the next search result is issued from the input device.
Each time, one candidate character string that has not been output yet and
The corresponding search result is read from the memory and output.
And a step of outputting the information to the input device. 3. An information retrieval device for retrieving information corresponding to a keyword input by a user, wherein a kana-kanji conversion dictionary, a search result list table for storing retrieval results, and a kana character for a keyword from the input device. Enter a column
After inputting the kana character string,
Kana-Kanji conversion means for converting the input kana character string into all candidate character strings using the dictionary when the search instruction is input, and each candidate obtained by the kana-kanji conversion means. to search a character string as a search keyword, search means for saving the search results list table in association with the candidate character string with the search results obtained in the search keyword, it and one candidate character strings from said memory Corresponding search
Read the result and output it to the output device.
Every time the device gives an instruction to output the next search result,
Corresponding to one candidate character string that has not been output yet
And a search result output means for reading the search result from the memory and outputting the search result to the output device. 4. An information retrieval device for retrieving information corresponding to a keyword input by a user, wherein a kana-kanji conversion dictionary, a search result list table for storing retrieval results, and a kana character for a keyword from the input device. Enter a column
Then, following the input of the kana character string, it is detected from the input device.
Kana-Kanji conversion means for converting the input kana character string into all candidate character strings using the dictionary when the search instruction is input, and each candidate obtained by the kana-kanji conversion means. A search unit that performs a search using a character string as a search keyword and associates the obtained search result with the candidate character string used as the search keyword in the search result list table, and the input kana character string as the search keyword. And a kana character search means for storing the obtained search result in the search result list table in association with the character string used as the search keyword, and the kana character string input from the memory and corresponding thereto
Read the search result and output it to the output device.
The input device gives an instruction to output the next search result.
Each time, one candidate character string that has not been output yet and
An information retrieval device, comprising: retrieval result output means for reading out the corresponding retrieval result from the memory and outputting the retrieval result to the output device. 5. A computer for inputting a kana character string of a keyword from a dictionary for kana-kanji conversion, a search result list table storing search results, and an input device.
After inputting the kana character string,
Kana-Kanji conversion means for converting the inputted Kana-character string into all candidate character strings using the dictionary when a search instruction is inputted , each candidate character obtained by the Kana-Kanji conversion means A search means for performing a search using a column as a search keyword and storing the obtained search result in the search result list table in association with the candidate character string used as the search keyword; and one candidate character string from the memory and the corresponding one Search
Read the result and output it to the output device.
Every time the device gives an instruction to output the next search result,
Corresponding to one candidate character string that has not been output yet
A computer-readable recording medium having recorded thereon a program for causing search result output means for reading the search result from the memory and outputting the result to the output device. 6. A computer for inputting a kana character string of a keyword from a dictionary for kana-kanji conversion, a search result list table for storing search results, and an input device.
After inputting the kana character string,
Kana-Kanji conversion means for converting the inputted Kana-character string into all candidate character strings using the dictionary when a search instruction is inputted , each candidate character obtained by the Kana-Kanji conversion means A search unit that performs a search using a column as a search keyword and stores the obtained search result in the search result list table in association with the candidate character string used as the search keyword; and searches using the input kana character string as the search keyword. And a kana character search means for storing the obtained search result in the search result list table in association with the character string used for the search keyword, and the kana character string input from the memory and corresponding thereto.
Read the search result and output it to the output device.
The input device gives an instruction to output the next search result.
Each time, one candidate character string that has not been output yet and
A computer-readable recording medium in which a program for causing a corresponding search result to be read from the memory and output to the output device is recorded.