JP2015201024A - Term standardization system, term standardization program, and term standardization method - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a term standardization system configured to standardize terms by company and by attribute of a document, while preventing influence on correspondence between a term to be converted and a standard term.SOLUTION: A term standardization system 100 includes a reference DB 116 which stores, for each company, conversion rule tables 400 with one or more conversion rules including a term to be converted, a standard term for standardization obtained by conversion, a category of a document, a type and class, and priority for conversion. The system receives a company ID of a company which treats a document, the document, category, type and class, and searches a conversion table 400 corresponding to the received company ID for a conversion rule corresponding to the category, type and class, to convert a term to be converted in the document to a standard term, according to the priority, on the basis of the conversion rule.

Description

  The present invention relates to a system, a program, and a method for unifying terms of the same content in a document and different methods, and in particular, it is possible to unify terms for each company and for each attribute of the document, and to unify the terms to be converted. The present invention relates to a term unification system, a term unification program, and a term unification method that are not easily affected by the correspondence between terms.

  When a company creates a document such as a manual attached to a product by sharing it with a plurality of authors, the writing may vary depending on the author. For example, different terms such as “monitor”, “screen”, “monitor”, “user”, “user”, “user”, and “user” are used for the same content, and it is quite difficult to decide the rules. It is difficult.

  Conventionally, for example, techniques disclosed in Patent Documents 1 and 2 are widely known as techniques for unifying terms having different notation with the same content in a document.

  The technique described in Patent Document 1 creates a “script / term list” that is used in advance to correspond to scripts and terms that are easily used inconsistently, and the terms in the document are “ It is checked whether it is in the “script / term list”, and if conversion is necessary, the corresponding term is converted to “unified script / term” (Patent Documents 1 [0007], [0008]).

  The technology described in Patent Document 2 is configured by registering a standard notation term and a plurality of different notation terms corresponding thereto, and the term in the document created in advance is the standard notation term in the term dictionary. Then, a search is made as to whether or not it matches a plurality of different notation terms, and a term in the document that matches the different notation term is replaced with a standard notation term (Patent Document 2 [0016]).

JP-A-7-146867 JP 9-259125 A

  However, the techniques described in Patent Documents 1 and 2 have the following three technical problems.

  First, when creating documents for a plurality of companies, even if the terms have the same contents, the terms to be unified may differ depending on the company. For example, the term “user” may be requested by company A to be unified with “user”, whereas company B may be requested to be unified with “user”. The techniques described in Patent Documents 1 and 2 cannot cope with this.

  Second, when documents of the same company are created, the terms to be unified may differ depending on the document attributes even if the terms have the same contents. For example, the term “technology” may be required to be unified with “technology” in mechanical documents, whereas it may be required to be unified with “technology” in electronic documents. The techniques described in Patent Documents 1 and 2 cannot cope with this.

  Thirdly, as in the techniques described in Patent Documents 1 and 2, in the configuration in which the conversion target term and the unified term are associated with each other in advance and registered in a dictionary or the like, the unified term in a certain correspondence relationship and other correspondence Inappropriate conversion may occur when the terms to be converted in the relationship are the same. For example, if the conversion target term “technology” is associated with the unified term “technology” and the conversion target term “technology” is associated with the unified term “technique” and registered in a dictionary, etc., the document “ "The technology of our company is realized by the high technique of the engineer" is the desired conversion result, the conversion term "technology" is the unified term "technology , And then the conversion target term “technology” is converted to the unified term “technique”, the result of the conversion is “Our technique is realized by a high technique of engineers”.

  Therefore, the present invention has been made paying attention to such an unsolved problem of the conventional technology, and can be used to unify terms for each company and for each attribute of a document. It is an object to provide a term unification system and term unification program, and a term unification method that are not easily affected by the correspondence relationship between and a uniform term.

  [Invention 1] In order to achieve the above object, the term unification system of the invention 1 is a term unification system that unifies terms having the same contents and different notations in a document, and includes conversion target terms and conversions to be converted. A storage unit that stores, for each company, a conversion rule table in which one or more conversion rules including one or a plurality of conversion rules including priority information to be converted, attribute information related to the attributes of the document, and priority for conversion are specified; Company information acquisition means for acquiring company information, document acquisition means for acquiring the document, attribute information acquisition means for acquiring the attribute information, and conversion rules corresponding to the company information acquired by the company information acquisition means A conversion rule search means for searching for a conversion rule corresponding to the attribute information acquired by the attribute information acquisition means from the table; and Based on the conversion rule out, the priority in descending order, and a word conversion means for converting the conversion target term in a document acquired by the document obtaining means to the unified terms.

  In such a configuration, when the company information is acquired by the company information acquisition unit, the document is acquired by the document acquisition unit, and the attribute information is acquired by the attribute information acquisition unit, the conversion rule search unit converts the acquired company information into the acquired company information. A conversion rule corresponding to the acquired attribute information is searched from the corresponding conversion rule table. Then, the term conversion means converts the conversion target terms in the acquired document into unified terms in descending order of priority based on the found conversion rules.

  Here, a company refers to an entity that continues to carry out economic activities, and includes corporations and individual businesses. The same applies to the term unification program of invention 3 and the term unification method of invention 4.

  Further, the company information acquisition means may input the company information from an input device or the like, may acquire or receive the company information from an external terminal or the like, or may receive the company information from a storage device or a storage medium. May be read out, or company information may be generated or calculated by information processing or the like. Therefore, acquisition includes at least input, acquisition, reception, reading (including search), generation, and calculation. The same applies to the acquisition in the document acquisition unit and the acquisition in the attribute information acquisition unit, but the acquisition methods of the company information acquisition unit, the document acquisition unit, and the attribute information acquisition unit do not have to be the same. Hereinafter, the concept of acquisition is the same.

  In addition, as for storing a plurality of information in the storage means in association with each other, (1) for example, registering information A and information B directly in the same record, for example, (2) for example, For example, a table for registering information A and intermediate information in association with each other and a table for registering information B and intermediate information in association with each other may be stored in the middle via one or more pieces of information. That is, any data structure can be adopted as long as the information B can be traced from the information A. Hereinafter, the concept of associating and storing information is the same.

  Further, the storage means stores the conversion rule table at any time and at any time, and may store the conversion rule table in advance, or without storing the conversion rule table in advance, The conversion rule table may be stored by external input or the like during operation of the system.

  Further, the present system may be realized as a single device, terminal, or other device, or may be realized as a network system in which a plurality of devices, terminals, or other devices are communicably connected. In the latter case, each component may belong to any one of a plurality of devices and the like as long as they are connected so as to communicate with each other.

  [Invention 2] Furthermore, the term unification system of Invention 2 is the term unification system of Invention 1, wherein the storage means is the same as the update storage means for storing the conversion rule table for each company, and the update storage means. A storage unit for reference for holding the stored content of the conversion rule, a conversion rule update unit for updating the conversion rule of the storage unit for update in response to the update request for the conversion rule, and a reference request for the conversion rule. In response, conversion rule reference means for referring to the conversion rule of the reference storage means, and storage content reflection means for reflecting the storage contents of the update storage means after the update by the conversion rule update means to the reference storage means Is provided.

  If it is such a structure, the conversion rule of an update memory | storage means will be updated by the conversion rule update means according to the update request | requirement of a conversion rule. During the updating of the update storage means, the conversion rule reference means refers to the conversion rule of the reference storage means in response to the conversion rule reference request. Then, after the update of the update storage means is completed, the storage content reflection means reflects the updated storage contents of the update storage means to the reference storage means.

  [Invention 3] On the other hand, in order to achieve the above object, the term unification program of the invention 3 is a term unification program for unifying terms of the same contents and different notations in a document, and includes company information for specifying a company. The company information acquisition step to be acquired, the document acquisition step to acquire the document, the attribute information acquisition step to acquire attribute information related to the attribute of the document, the conversion target term to be converted, and the conversion should be unified Company information acquired in the company information acquisition step in the conversion rule table of the storage means for storing for each company a conversion rule table in which one or more conversion rules including a unified term, the attribute information, and conversion priority are registered A conversion rule corresponding to the attribute information acquired in the attribute information acquisition step is searched from the conversion rule table corresponding to Based on the conversion rule searched in the conversion rule search step and the conversion rule search step, the term conversion that converts the conversion target terms in the document acquired in the document acquisition step into the unified terms in descending order of priority. A program for causing a computer to execute processing including steps.

  With such a configuration, when the program is read by the computer and the computer executes processing in accordance with the read program, an operation equivalent to that of the term unification system of aspect 1 is obtained.

  [Invention 4] On the other hand, in order to achieve the above-mentioned object, the term unification method of Invention 4 is a term unification method for unifying terms of the same contents and different notations in a document, and the company information acquisition means specifies the company A company information acquisition step for acquiring company information to perform, a document acquisition unit for acquiring the document, a document acquisition step for acquiring the document, and an attribute information acquisition unit for acquiring attribute information relating to the attribute of the document; A conversion rule table in which the conversion rule search means registers one or more conversion rules including conversion target terms to be converted, unified terms to be converted and unified, the attribute information, and conversion priority. From the conversion rule table corresponding to the company information acquired in the company information acquisition step in the conversion rule table of the storage means for storing for each company, A conversion rule search step for searching for a conversion rule corresponding to the attribute information acquired in the sex information acquisition step, and the term conversion means based on the conversion rule searched out in the conversion rule search step, in order from the highest priority, A term conversion step of converting the conversion target term in the document acquired in the document acquisition step into the unified term.

  As described above, according to the term unification system of the invention 1, the term unification program of the invention 3, or the term unification method of the invention 4, the conversion is performed based on the conversion rule corresponding to the company information. Even if the terms to be unified are different, they can be converted into unified terms for each company. Further, since the conversion is performed based on the conversion rule corresponding to the attribute information, even if the term to be unified is different for each attribute of the document, it can be converted into the unified term for each attribute of the document. In particular, even when there are a large number of companies and attributes, a configuration is adopted in which conversion rules are registered together in the conversion rule table, so that the data structure can be simplified. Furthermore, since the conversion is performed in the order of higher priority, the possibility that inappropriate conversion occurs when the unified terms in a certain correspondence relationship and the conversion target terms in another correspondence relationship are the same may be reduced. it can.

  Furthermore, according to the term unification system of the invention 2, when there is a conversion rule reference request during the conversion rule update, the conversion rule table of the reference storage means is referred to, so an update request with a large processing load is issued. Even if it exists, the influence which it has on a reference process can be reduced.

It is a block diagram which shows the structure of a network system. 6 is a diagram showing a data structure of a conversion rule table 400 stored in an update database (hereinafter, the database is simply abbreviated as DB) 156. FIG. It is a sequence flow which shows operation | movement of the term unification system 100 and the user terminal 200 at the time of term conversion processing. 10 is a flowchart illustrating term conversion processing executed by a term conversion processing unit 154. It is a sequence flow which shows operation | movement of the term unification system 100 and the user terminal 200 at the time of a database update and reference.

  Embodiments of the present invention will be described below. 1 to 5 are diagrams showing this embodiment.

First, the configuration of a network system to which the present invention is applied will be described.
FIG. 1 is a block diagram showing a configuration of a network system.

  As shown in FIG. 1, a term unification system 100 and a plurality of user terminals 200 are connected to a network 199 such as the Internet.

  The term unification system 100 includes a web server 110 and an internal server 150. The web server 110 is connected to the network 199, and the internal server 150 is connected to the web server 110.

  The web server 110 includes an interface unit 112 that serves as an interface with the user terminal 200. The interface unit 112 displays a term conversion screen display unit 114 that displays a term conversion screen for mediating input / output of a document to the user terminal 200, and a reference DB 116 that holds the same storage content as the update DB 156. And is configured.

  The interface unit 112 structures the document to be converted or the document after conversion using XML (eXtensible Markup Language), and holds it as an XML file 170. Also, in response to a request from the user terminal 200, the converted document is also output as a PDF (Portable Document Format) file 172.

  The internal server 150 includes a term conversion processing unit 154 that converts terms in a document and an update DB 156 that stores a conversion rule table for each company.

  The user terminal 200 is configured to have the same functions as, for example, a general computer in which a CPU (Central Processing Unit), a ROM (Read Only Memory), a RAM (Random Access Memory), an I / F, and the like are connected by a bus. Yes. A storage device such as an HDD (Hard Disk Drive), a display device such as a display, a network adapter, and other devices are connected to the I / F. The hardware configurations of the web server 110 and the internal server 150 are the same.

  Next, the data structure of the update DB 156 will be described. Since the data structure of the reference DB 116 is the same as that of the update DB 156, the description thereof is omitted.

  FIG. 2 is a diagram illustrating a data structure of the conversion rule table 400 stored in the update DB 156.

  As shown in FIG. 2, the update DB 156 stores a conversion rule table 400 for each company. Each conversion rule table 400 can be specified by a company ID.

  In the conversion rule table 400, one record is registered for each conversion rule. That is, one record constitutes one conversion rule. Each record has a field 402 for registering an ID uniquely assigned to a conversion rule, a field 404 for registering a conversion target term to be converted, and a field for registering a unified term to be converted and unified. 406, a field 408 for registering a document category, a field 410 for registering a document type, a field 412 for registering a classification of items in the document, and a field 414 for registering the priority for conversion. Has been.

  The priority is an index for controlling that the conversion target term with higher priority is controlled before the other conversion target terms. The lower the value, the higher the priority. To do. The priority is set according to the following criteria, for example.

  First, in the example of FIG. 2, the unified term “technology” included in the record with ID “1” and the conversion target term “technology” included in the record with ID “6” are the same. The conversion target term “technology” of “” needs to be converted before the conversion target term “technology” of ID “6”. This is because when the conversion order is reversed, inappropriate conversion occurs that the conversion target term “technology” is converted into the unified term “technique”. Therefore, the priority of the record with ID “6” is set higher than the priority of the record with ID “1”.

  Second, in the example of FIG. 2, when the conversion target term is composed of compound words like the records of ID “3” to “5”, the number of bytes of the conversion target term and the length of the character string The larger the is, the more it is necessary to convert it first. Therefore, the priority is set higher as the number of bytes of the conversion target term and the length of the character string are larger.

Next, the operation of the present embodiment will be described.
First, the operation during the term conversion process will be described.
FIG. 3 is a sequence flow showing operations of the term unification system 100 and the user terminal 200 during term conversion processing.

  When the user terminal 200 requests execution of the term conversion process (step S100), in the web server 110, the term conversion screen display unit 114 receives the request and starts an internal process (step S102). In the internal server 150, when the internal processing is started, the term conversion processing unit 154 acquires the document lock from the term unification system 100 (step S104), and performs the term conversion processing on the XML file 170 that is the document file. Is started (step S106).

  The web server 110 returns a response to the user terminal 200 when the term conversion process is started (step S108). By receiving this response, the user terminal 200 prevents the browser from being stopped waiting for a response (step S110). Since the document is locked while the term conversion process is being executed, the user terminal 200 cannot edit the document (step S112).

  In the internal server 150, when the term conversion processing is completed (step S114), the term conversion processing unit 154 releases the document lock from the term unification system 100 (step S116). When the lock is released, the user terminal 200 can edit the document (step S118).

  Specifically, the term conversion processing unit 154 executes the term conversion processing shown in the flowchart of FIG.

FIG. 4 is a flowchart showing term conversion processing executed by the term conversion processing unit 154.
The term conversion process is a process for unifying different notation terms with the same content in the document. When the term conversion process unit 154 executes the term conversion process, the process first proceeds to step S200 as shown in FIG.

  In step S200, the company ID of the company that handles the document is input, and the process proceeds to step S202. The company ID may be input from the user terminal 200, or may be input from a database (not shown), session information, or the like.

  In step S202, the document (contents) is input from the XML file 170, the process proceeds to step S204, the document category is input from the XML file 170, the process proceeds to step S206, and the document type is input from the XML file 170. Then, the process proceeds to step S208, where the classification of the target item in the document is input from the XML file 170, and the process proceeds to step S210.

  In step S210, the conversion rule corresponding to the category, type, and classification input in steps S204 to S208 is searched from the conversion rule table 400 corresponding to the company ID input in step S200, and the process proceeds to step S212.

  In step S212, the conversion rule with the highest priority is selected from the searched conversion rules, and the same term as the conversion target term included in the selected conversion rule is searched from the document, and the process goes to step S214. Transition.

  In step S214, it is determined whether or not the corresponding conversion target term has been searched. If it is determined that the corresponding conversion target term has been searched (YES), the process proceeds to step S216 and the searched conversion target term is searched. Is converted into a unified term included in the selected conversion rule, and the process proceeds to step S218.

  In step S218, it is determined whether or not the processing has been completed for all the conversion rules retrieved in step S210. If it is determined that the processing has been completed for all the conversion rules (YES), the process proceeds to step S220.

  In step S220, it is determined whether or not processing has been completed for all items in the document. If it is determined that processing has been completed for all items (YES), the series of processing is terminated and the original processing is restored. Let

  On the other hand, if it is determined in step S220 that processing has not been completed for all items (NO), the process proceeds to step S208.

  On the other hand, if it is determined in step S218 that the processing has not been completed for all the conversion rules (NO), the process proceeds to step S222, and the next highest priority is set among the conversion rules retrieved in step S210. The selected conversion rule is selected, the same term as the conversion target term included in the selected conversion rule is searched from the document, and the process proceeds to step S214.

  On the other hand, if it is determined in step S214 that the corresponding conversion target term is not searched (NO), the process proceeds to step S218.

  For example, the category “Machine A” and the type “Instruction Manual” are set as document attributes, “Company A” is included in the copyright information, and “Our technology is state-of-the-art IT technology. When a document including “is realized by the high-level technology”, records with IDs “1”, “3”, “5”, and “6” are searched according to the conversion rule table 400 of FIG. Conversion is performed in the order of IDs “5”, “6”, “1”, and “3” in descending order. As a result, the copyright information “A Co., Ltd.” and the text “Our technology is state-of-the-art IT technology and is realized by the high technique of engineers” are obtained.

Next, operations during database update and reference will be described.
FIG. 5 is a sequence flow showing operations of the term unification system 100 and the user terminal 200 at the time of updating and referring to the database.

  When the user terminal 200 makes a conversion rule update request (step S300), in the web server 110, the term conversion screen display unit 114 makes an update request to the update DB 156 (step S302). When the internal server 150 receives the update request, the internal server 150 writes to the update DB 156 to update the contents of the conversion rule.

  If another user terminal 200 makes a conversion rule reference request while updating the update DB 156 (step S304), the term conversion screen display unit 114 makes a reference request to the reference DB 116 in the web server 110 (step S304). In step S306, the conversion rule is searched from the reference DB 116 (step S308), and the search result is returned to the user terminal 200 (step S310).

  When the update of the update DB 156 is completed (step S312), the web server 110 returns a response to the user terminal 200 (step S314). Further, the internal server 150 asynchronously reflects the stored contents of the updated DB 156 in the reference DB 116 (step S316).

  In this way, in the present embodiment, a conversion rule including a conversion target term to be converted, a unified term to be converted and unified, a document category, a type and a classification, and a priority for conversion is set to 1. Alternatively, a reference DB 116 for storing a plurality of registered conversion rule tables 400 for each company is provided, and a company ID, a document, a category, a type, and a classification of a company that is a document handling destination are input and correspond to the input company ID. A conversion rule corresponding to the input category, type, and classification is searched from the conversion rule table 400, and conversion target terms in the document are converted into unified terms in descending order of priority based on the searched conversion rule.

  Thereby, since conversion is performed based on the conversion rule corresponding to company ID, even if the term which should be unified for every company differs, it can convert into the unified term for every company. In addition, since conversion is performed based on conversion rules corresponding to categories, types, and classifications, uniform terms for each category, type, and classification of documents, even if the terms that should be unified for each category, type, and classification of documents are different. Can be converted to In particular, even when there are a large number of companies and categories, types, and classifications, the configuration in which conversion rules are registered together in the conversion rule table 400 is adopted, so that the data structure can be simplified. Furthermore, since the conversion is performed in the order of higher priority, the possibility that inappropriate conversion occurs when the unified terms in a certain correspondence relationship and the conversion target terms in another correspondence relationship are the same may be reduced. it can.

  Further, in the present embodiment, the conversion rule of the update DB 156 is updated in response to the conversion rule update request, and the conversion rule of the reference DB 116 is referred to in response to the conversion rule reference request while the update DB 156 is being updated. Then, after the update of the update DB 156 is completed, the storage content of the updated DB 156 is reflected in the reference DB 116.

  As a result, if there is a conversion rule reference request during the update of the conversion rule, the conversion rule table 400 of the reference DB 116 is referred to, so even if there is an update request with a large processing load, the influence on the reference processing Can be reduced.

  In the present embodiment, the company ID corresponds to the company information of the invention 1, 3, or 4, the category, type, and classification correspond to the attribute information of the invention 1, 3, or 4, and the web server 110 uses the invention 2 The reference DB 116 corresponds to the storage means of the inventions 1 to 4 or the reference storage means of the invention 2. The internal server 150 corresponds to the conversion rule update unit of the second aspect or the storage content reflection unit of the second aspect. The update DB 156 corresponds to the update storage unit of the second aspect. This corresponds to the company information acquisition means of No. 4 or the company information acquisition step of Invention 3 or 4.

  In the present embodiment, step S202 corresponds to the document acquisition means of invention 1 or 4 or the document acquisition step of invention 3 or 4, and steps S204 to S208 include attribute information acquisition means of invention 1 or 4. Or it corresponds to the attribute information acquisition step of invention 3 or 4. Steps S210 and S222 correspond to the conversion rule search means of the invention 1 or 4, or the conversion rule search step of the invention 3 or 4, and steps S212 to S216 correspond to the term conversion means of the invention 1 or 4, or the invention 3 Or it corresponds to the four term conversion steps.

[Other variations]
In the above embodiment, the priority is defined to be higher as the value is smaller. However, it can be defined as higher as the value is larger. Although the non-priority can be set to control the conversion order, this is technically synonymous with setting the priority and controlling the conversion order, and is included in the technical idea of the present invention. It is what is done.

  Moreover, in the said embodiment and its modification, since the conversion rule table 400 is memorize | stored for every company, the following application is also considered, for example.

  First, for the company A, the conversion rule table 400 of the company A is compared with the conversion rule table 400 of one or more other companies, unified terms having the same conversion target terms and different notations are extracted, and the extraction results are filed Etc. As a result, Company A can understand the unified terms adopted by Company A that are different from the unified terms adopted by other companies for the same content. Review can be considered.

  Secondly, for the company A, the conversion rule table 400 of the company A is compared with the conversion rule table 400 of one or more other companies, and the conversion target is registered only in the conversion rule table 400 of the other company with the same unified term. Extract terms and output the extraction results to a file. As a result, the writer of the company A or the document of the company A can grasp the conversion target terms that are not registered for a certain unified term. By registering this in the conversion rule table 400 of the company A, It is possible to reduce variations in notation for unified terms.

  Third, the first and second configurations described above are applied between different companies, but can be applied similarly between different categories.

  Fourthly, the first and second configurations are applied between different companies, but may be applied similarly between different types.

  Fifth, the first and second configurations described above are applied to different companies, but can be applied to different categories as well.

DESCRIPTION OF SYMBOLS 100 ... Term unification system, 110 ... Web server, 112 ... Interface part, 114 ... Term conversion screen display part, 116 ... Reference DB, 150 ... Internal server, 154 ... Term conversion processing part, 156 ... Update DB, 170 ... XML file, 172 ... PDF file, 199 ... network, 200 ... user terminal, 400 ... conversion rule table

Claims (4)

A term unification system that unifies terms with the same content and different notation in a document,
A conversion rule table in which one or a plurality of conversion rules including conversion target terms to be converted, unified terms to be converted and unified, attribute information on the attribute of the document, and conversion priority are registered for each company Storage means for storing;
Company information acquisition means for acquiring company information for identifying the company;
Document acquisition means for acquiring the document;
Attribute information acquisition means for acquiring the attribute information;
A conversion rule search means for searching a conversion rule corresponding to the attribute information acquired by the attribute information acquisition means from a conversion rule table corresponding to the company information acquired by the company information acquisition means;
Term conversion means for converting the conversion target terms in the document acquired by the document acquisition means into the unified terms in descending order of priority based on the conversion rules searched by the conversion rule search means. A unique terminology system. In claim 1,
The storage means includes an update storage means for storing the conversion rule table for each company, and a reference storage means for holding the same storage contents as the update storage means,
Conversion rule update means for updating the conversion rule of the storage means for update in response to the update request for the conversion rule;
A conversion rule reference means for referring to the conversion rule of the reference storage means in response to the conversion rule reference request;
A term unification system comprising: a storage content reflection unit that reflects the storage content of the update storage unit after the update by the conversion rule update unit to the reference storage unit. A term unification program that unifies terms with the same content and different notation in a document,
A company information acquisition step for acquiring company information for identifying the company;
A document acquisition step of acquiring the document;
An attribute information acquisition step of acquiring attribute information related to the attribute of the document;
Storage means for storing for each company a conversion rule table in which one or a plurality of conversion rules including conversion target terms to be converted, unified terms to be converted and unified, the attribute information, and conversion priority are registered A conversion rule search step for searching a conversion rule corresponding to the attribute information acquired in the attribute information acquisition step from a conversion rule table corresponding to the company information acquired in the company information acquisition step in the conversion rule table;
A process including a term conversion step of converting the conversion target terms in the document acquired in the document acquisition step into the unified terms in descending order of priority based on the conversion rule searched in the conversion rule search step. A term unification program characterized by being a program to be executed by a computer. A term unification method that unifies terms with the same content and different notation in a document,
A company information acquisition step in which the company information acquisition means acquires company information for identifying the company;
A document acquisition means for acquiring the document;
An attribute information acquisition step in which attribute information acquisition means acquires attribute information related to the attribute of the document;
The conversion rule search means stores a conversion rule table in which one or more conversion rules including conversion target terms to be converted, unified terms to be converted and unified, the attribute information, and conversion priority are registered. A conversion rule for retrieving a conversion rule corresponding to the attribute information acquired in the attribute information acquisition step from a conversion rule table corresponding to the company information acquired in the company information acquisition step in the conversion rule table of the storage means stored for each A search step;
Term conversion step in which the term conversion means converts the conversion target term in the document acquired in the document acquisition step into the unified term in descending order of the priority based on the conversion rule searched in the conversion rule search step. The term unification method characterized by including.

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