JPH04178769A - Document processing device - Google Patents

Abstract

PURPOSE:To reduce the burden to user's operation by retrieving a document file by a retrieval word held in a retrieval object word selection result holding means and holding the retrieval result. CONSTITUTION:A retrieval object word selection result holding part 6 where the retrieval word as the result selected by a retrieval object word selection processing part 5 is held, a document file 8 where a document as the retrieval object is stored, a retrieval processing part 7 which retrieves the document file 8 by the retrieval word held in the retrieval object word selection result holding part 6, and a retrieval result holding part 9 where the retrieval result of the retrieval processing part 7 is held are provided. A retrieval phrase inputted by a user is decomposed to combination of minimum meaningful words constituting this phrase, and actual retrieval object words are automatically selected based on this combination. Thus, the burden to user's operation is reduced, and retrieval is flexibly and widely performed.

Description

[Detailed Description of the Invention] [Industrial Application Field] The present invention relates to a document processing device, and more specifically, the present invention relates to a document processing device, and more specifically, when searching a document file, the present invention utilizes a combination of minimum meaningful words constituting an input character string. , relates to a document processing device that enables flexible and wide-ranging searches.

[Prior Art] Conventionally, in this type of device, for example, when a user wants to search for a character string such as "document related to text analysis", the user (
Search terms were searched using exact matches of character strings entered by the user or related terms (thesaurus) automatically collected based on the search terms.

[Problems to be Solved by the Invention] However, in the conventional method as described above, even if the search word input by the user is a so-called compound word such as "r Bundo Analysis Theory", the search target document file What is searched for is only the character string "Sentence analysis theory", for example, "documents related to text analysis" like the one above.
There was a problem that even if the string existed, it would not be searched completely.

An object of the present invention is to provide a document processing device that eliminates the above-mentioned drawbacks, allows flexible and wide-ranging searches even when the search word is a compound word, and further reduces the operational burden on the user. It's about doing.

[Means for Solving the Problems] In order to achieve the above object, the present invention provides a character string buffer means for holding an input character string, and information for analyzing word attributes of the input character string in advance. an analysis dictionary; a word analysis means for analyzing the attributes of words in the character string held in the character string buffer means using information stored in the analysis dictionary; and an analysis obtained by the word analysis means. a word analysis result holding means for holding result data; and a search target word selection means for selecting a search word for a search from the input character string based on the analysis result data held in the word analysis result holding means. , a search target word selection result holding means for holding the search words selected by the search target word selection means, a document file storing a document to be searched, and the search target word selection result holding means. The present invention is characterized by comprising a search processing means for searching the document file using stored search words, and a search result holding means for holding the results searched by the search processing means.

Further, in one aspect of the present invention, when the search term is a compound word, the search target word selection means selects the actual search term based on each word constituting the compound word. It is characterized by

Further, in another aspect of the present invention, when the search term is a sentence, the search target word selection means selects the actual search target term based on each word constituting the sentence. do.

[Operation] In the present invention, a search term input by a user is broken down into a combination of meaningful minimum words that make up the search term, and based on the combination, the actual search target term is automatically determined. This reduces the burden on the user and enables flexible and wide-ranging searches.

[Example] Hereinafter, an example of the present invention will be described in detail with reference to the drawings.

FIG. 1 shows the functional configuration of a document processing device according to an embodiment of the present invention.

In the figure, l is a character string buffer that stores character strings containing kanji and kana, and 2 is an analysis dictionary 3 that stores word information for phrase analysis. A phrase analysis processing unit that analyzes kana-mixed character string data to obtain constituent word information; 4 is a phrase analysis result holding unit that holds the analysis results of the processing unit 2; and 5 is an analysis stored in the phrase analysis result holding unit 4. This is a search target word selection processing unit that determines whether or not it is a compound word based on the result and selects an actual search target word based on each word that makes up the compound word.

Reference numeral 6 denotes a search target word selection result holding unit that holds the results selected by the search target word selection processing unit 5, and 7 indicates a document to be searched based on the search target word stored in the search target word selection result holding unit 6. A search processing unit 9 searches from a document file 8 that stores .

FIG. 2 shows a specific circuit configuration of the embodiment of the present invention shown in FIG. In the figure, 11 is a keyboard (KEY) for inputting various functions such as character string input and search instructions.
, 12 is a CPU (central processing unit) that controls the entire apparatus. 13 is a ROM (read only memory) that stores in advance the control procedure of the CPLl 12 as shown in FIG.
In addition to the work area of UL2, it is a RAM (random access memory) having memory areas for the above-mentioned character string buffer 1 and various holding units 4, 6.9. 15 is a display device (DISP) for displaying input document information, search information, etc.; 16 is a floppy disk device (FL) serving as an external memory; the document file 8 is stored in the floppy disk of the floppy disk device 16; . Reference numeral 17 represents a printer (PRI) for recording search results, etc., and 18 represents a bus that connects the CPLIL 2 with each component of the apparatus.

FIG. 3 shows a processing procedure executed by the (:PU 12 of FIG. 2), and realizes an operation corresponding to the functional configuration of FIG. 1.

Next, with reference to the flowchart of FIG. 3, the operating procedure of the embodiment of the present invention will be described using the input search term "text analysis theory" as an example.

First, in step SL, it is checked whether a character string is held in the character string buffer 1 or not. If string buffer 1 is empty, the search is repeated until string buffer 1 holds a string. If the character string is held in the character string buffer 1, the process moves to step S2.

A character string may be input directly into the character string buffer 1 using a keyboard or the like, or an inputted document may be displayed, a desired character string may be designated on the display, and the character string may be copied and input.

Next, in step S2, the character string stored in the character string buffer 1 is read out, and the kanji/kana mixed character string stored in the character string buffer 1 is analyzed using the word analysis dictionary 3. , the constituent word information is obtained, and the constituent word information, which is the analysis result, is stored in the search term analysis result holding unit 4, and the process moves to step S3.

In step S3, it is determined whether the character string in character string buffer 1 is a compound word from the data (component word information) as a result of the analysis in step S2, and if it is a compound word, the search target word in step S4 is determined. Move on to selection processing. If it is not a compound word, the process moves to step S5, and a search process is performed using the input character string as the search target word.

In step S4, the part of speech of each word constituting the input search phrase (constituent word information) analyzed in step S2 is examined,
Select words excluding unnecessary part-of-speech words as search target words. Here, a word in a part of speech that is unnecessary as a search target word is, for example, an affix, and a word that can be selected as a search target word is, for example, a noun that has an independent meaning by itself. For example, in the case of the compound word "sentence analysis",
The constituent words and their parts of speech are ``sentence'' - noun ``analysis'' - noun ``ron'' - suffix. Of these, ``ron'' (suffix) is a part of speech word that is unnecessary as a search target word. Therefore, the final search target words are "sentence" (noun) and "analysis" (
(noun) and stores the selected word in the search target word selection result holding unit 6.

In the next step S5, all of the words held in the search target word selection result holding unit 6 are searched for using commonly used character string pattern matching (for example, the Aho-Corasick method) from the document file 8 that is the search target. etc.), the search result is stored in the search result holding unit 9, and the process ends.

It goes without saying that the search results stored in the search result holding section can be output to the display device 15 or the printer 17.

Figure 4 shows the compound word "sentence analysis theory" in the process of Figure 3.
This is a more specific example of how the search target word selection process is performed.

Phrase analysis is performed on the input search phrase "Sentence analysis theory" in A in the same figure,
As shown in B of the figure, the phrase analysis results ``sentence'' (noun), ``analysis'' (noun), and ``ron'' (suffix) are obtained.

Based on the result of this phrase analysis, a search target selection process is performed as shown in C in the same figure, and search target words such as "sentence" and "analysis", mainly nouns, are selected. The figure shows a search process performed on the target document file 8 based on the search target word selection results, and document file names that include all the search target words are displayed. Furthermore, the position of the search target word found in each file may also be displayed.

FIG. 5 shows an example of the contents of the above-mentioned phrase analysis dictionary 3,
FIG. 6 shows an example of the contents of the document file 8 that is the target of the above search.

Hungry! In the above embodiment, it has been described that a document file containing all of the search target words is searched, but a document file that includes any one of the search target words may be searched. Furthermore, the user may be able to select whether to search for items that include all of the search target words or for items that include any one of them.

In the above example, when the input search term is a compound word, the search target word is selected based on the combination of its constituent words. Search target words may be selected based on the following. In the case of a sentence, for example, a noun or a stem of a verb may be targeted, and if there is a compound word in the sentence, the above-mentioned process may be further performed to select the search target word.

In the above embodiment, it was explained that the search target words are automatically selected, but the selected magazines are once presented to the user using a display device, and the actual search target words are edited (added, deleted) by the user. , modification, etc.), then the search process may be performed.

In the above embodiment, it was explained that the corresponding "document number" is stored in the search result holding unit 9 as a result of the search process (see D in FIG. 4).
Alternatively, chapter or document data may be retained as is.

In the above embodiment, it has been explained that the search phrase analysis processing section 2 and the search target word selection section 5 share the phrase analysis dictionary 3 for processing, but each may use an independent dictionary.

[Effects of the Invention] As explained above, according to the present invention, a search is performed based on an exact match of a character string for a search term input by the user or related words automatically collected based on the search term. Even if a compound word is manually entered as a search word, the actual search target word is automatically selected based on the combination of words that make up the word, reducing the operational burden on the user. At the same time, it has the effect of enabling flexible and wide-ranging searches.

[Brief explanation of drawings]

FIG. 1 is a functional block diagram showing the functional configuration of a document processing device according to an embodiment of the present invention, FIG. 2 is a block diagram showing a circuit configuration of an embodiment of the present invention, and FIG. 3 is an embodiment of the present invention. Flowchart showing an example processing procedure. FIG. 4 is an explanatory diagram showing an example of specific processing according to an example of an embodiment of the present invention. FIG. 5 is an example of the contents of a phrase analysis dictionary according to an embodiment of the present invention. FIG. 6 is an explanatory diagram showing an example of the contents of a document file to be searched according to an embodiment of the present invention. ■... Character string buffer, 2... Search term analysis processing unit, 3... Word analysis dictionary, 4... Search term analysis result holding unit, 5... Search target word selection processing unit, 6. ...Search target word selection result holding unit, 7...Search processing unit, 8...Document file, 9...Search result holding unit, 11...Keyboard, 12...CPU. 13...ROM. 14...RAM, 15...Display device, 16...Floppy disk, 17...Printer. Figure 1

Claims (1)

[Scope of Claims] 1) A character string buffer means for holding an input character string, an analysis dictionary that stores in advance information for analyzing attributes of words in the input character string, and information stored in the character string buffer means. a word/phrase analysis means for analyzing the attributes of words in the character strings using the information stored in the analysis dictionary; and a word/phrase analysis result holding means for holding data of the analysis results obtained by the word/phrase analysis means. , search target word selection means for selecting a search term for a search from the input character string based on the analysis result data held in the phrase analysis result holding means; a document file that stores documents to be searched for results; a search processing means that searches the document file using the search words held in the search target word selection result holding means; and results searched by the search processing means. A document processing device comprising: search result holding means for holding search result holding means. 2) When the search term is a compound word, the search target word selection means selects the actual search term based on each word forming the compound word. Document processing device as described. 3) The document according to claim 1, wherein when the search term is a sentence, the search term selection means selects the actual search term based on each word that makes up the sentence. Processing equipment.