JP2012068844A - Document comparison processor and document comparison processing program - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a document comparison processor and a document comparison processing program detecting consistency of the content of document information based on comparison results of a plurality of pieces of document information.SOLUTION: A document comparison processor 1 includes: document format classification means 100 for classifying document information for every document format; format template extraction means 102 for extracting character strings whose positions and contents are in common among the pieces of document information of the same format, as format template information 111; case common-value extraction means 103 for extracting along with the positions, character strings that are in common among the pieces of document information contained in the same case, as common value information 112; case template extraction means 105 for extracting case template information 113 forming an input column from the document information of the case by excluding the character strings contained in the common value information 112; and error detecting means 106 for applying the content corresponding to the input column of the case template information 113 to the common value information 112 in the document information that is an object of the error detection, to detect character strings that have different contents from each other.

Description

  The present invention relates to a document comparison processing apparatus and a document comparison processing program.

  Techniques have been proposed for determining whether or not the consistency of the contents of document information is good.

  As a technology related to this, Patent Document 1 discloses a document structure table in which description information in input document information is associated with information on a plurality of types of item names, appearance positions, and expression patterns that appear in the document information. Is used to determine the description information of the various item names in the document information, and the description information of the determined various item names is compared with the analysis rule table in which the item name and rule information are associated with each other. A document data processing apparatus is disclosed that determines whether or not description information matches a rule, and displays a message to that effect on the display unit when the description information does not match the rule.

JP 2007-122661 A

  An object of the present invention is to provide a document comparison processing apparatus and a document comparison processing program for detecting consistency of contents of document information from a comparison result of a plurality of document information.

[1]
A format classification means for classifying a plurality of document information included in the plurality of items for each document format when there are a plurality of items having a plurality of document information related to the contents;
First template extraction means for extracting, as a first template, a character string having a common position and content among a plurality of document information in the document format classified by the format classification means;
A character string having a common content among a plurality of pieces of document information included in the same item is extracted together with a position where the character string is described, and a position of the character string of the first template is extracted from the extracted common character string. Common value information extracting means for removing the same character string and extracting it as common value information;
A second template extracting means for extracting a second template as an input field by removing a character string included in the common value information from each document information included in the case;
Document for functioning as detection means for detecting character strings having different contents by applying a character string corresponding to the input field of the second template to the common value information in the document information of the subject matter Comparison processing program.

[2]
The second template of a plurality of items is classified into the same format, and the input column position of the second template is common to a plurality of second templates of the same format at a predetermined ratio. And further function as a third template extracting means for extracting a third template including the extracted input field,
The document comparison processing program according to [1], wherein the detection unit applies a content input in an input field of the third template to the common value information to detect a character string having different content.

[3] A format classification means for classifying a plurality of document information included in the plurality of items for each document format when there are a plurality of items having a plurality of document information related to the contents;
First template extraction means for extracting, as a first template, a character string having a common position and content among a plurality of document information in the document format classified by the format classification means;
A character string having a common content among a plurality of pieces of document information included in the same item is extracted together with a position where the character string is described, and a position of the character string of the first template is extracted from the extracted common character string. Common value information extracting means for removing the same character string and extracting it as common value information;
A second template extracting means for extracting a second template as an input field by removing a character string included in the common value information from each document information included in the case;
Document comparison processing comprising: detecting means for detecting a character string having different contents by applying a character string corresponding to the input field of the second template to the common value information in the document information of the subject matter apparatus.

  According to the first or third aspect of the invention, the consistency of the contents of the document information can be detected from the comparison result of the plurality of document information.

  According to the second aspect of the present invention, it is possible to detect the content of document information that should be shared across a plurality of cases from the comparison result of the plurality of document information.

FIG. 1 is a schematic diagram illustrating a configuration example of a document comparison processing system. FIG. 2 is a block diagram illustrating a configuration example of the document comparison processing apparatus. FIG. 3 is a schematic diagram illustrating an example of a storage path structure of document information. 4A and 4B are schematic diagrams illustrating examples of document information classified for each format. FIGS. 5A and 5B are schematic diagrams illustrating examples of format template information extracted for each format. FIG. 6 is a schematic diagram illustrating an example of a storage path structure of document information. FIGS. 7A and 7B are schematic diagrams illustrating examples of document information classified for each case. FIG. 8 is a schematic diagram illustrating an example of common values extracted in document information included in a case. FIG. 9 is a schematic diagram showing an example of the content of common value information composed of the extracted common values. FIG. 10 is a schematic diagram illustrating an example of the content of the common value information from which the character string that matches the character string of the format template information is removed. FIG. 11 is a schematic diagram illustrating an example of the content of the common value information from which the character string that matches the character string of the format template information is removed. FIG. 12 is a schematic diagram illustrating an example of the contents of the item template information. FIG. 13A is a schematic diagram illustrating an example of a character string corresponding to the content of common value information in a plurality of cases, and FIG. 13B illustrates a character string corresponding to the content of common value information in a plurality of cases. It is the schematic which shows an example of a common value. 14A to 14D are schematic views for explaining an operation example of the error detection means.

(Configuration of document comparison processing system)
FIG. 1 is a schematic diagram illustrating a configuration example of a document comparison processing system.

  The document comparison processing system 4 is configured by connecting a document comparison processing device 1 and a document database (DB) 2 to each other via a network 3 so that they can communicate with each other.

  The document comparison processing apparatus 1 includes a CPU (Central Processing Unit) having a function for processing information and an electronic component such as a storage unit, and analyzes the contents of a plurality of document information 200 stored in the document DB 2. This is an information processing device that detects a character string described in document information that has a high probability of being erroneous.

  Further, the document comparison processing device 1 includes a display unit 12 such as a liquid crystal display that displays an image, and an operation unit 13 such as a keyboard, a mouse, and a touch pad that emits an operation signal according to the operation. Note that the document comparison processing apparatus 1 is, for example, a personal computer, and a PDA (Personal Digital Assistant), a mobile phone, or the like can also be used.

  The document DB 2 stores document information 200 composed of information such as text and images. In the present embodiment, the document information 200 is, for example, a document such as an estimate request form, an estimate reply form, a delivery request form, and a delivery reply form necessary for business progress.

  The network 3 is a communication network such as a LAN (Local Area Network) or the Internet, and may be wired or wireless.

(Configuration of document comparison processing device)
FIG. 2 is a block diagram illustrating a configuration example of the document comparison processing apparatus 1.

  The document comparison processing apparatus 1 includes a CPU and the like. The control unit 10 controls each unit and executes various programs, and a storage unit such as a HDD (Hard Disk Drive) or a flash memory and stores information. 11, a display unit 12 such as a liquid crystal display that displays the above-described image, an operation unit 13 such as a keyboard, a mouse, or a touch pad that generates an operation signal according to the operation, and a communication unit that communicates with the outside via the network 3. 14.

  The control unit 10 executes a document comparison processing program 110 to be described later, whereby a document format classification unit 100, a document case classification unit 101, a format template extraction unit 102, a case common value extraction unit 103, a format common value removal unit 104, It functions as a case template extraction unit 105, an error detection unit 106, a common value range extraction unit 107, and the like.

  The document format classification unit 100 classifies the document information 200 of the document DB 2 into its document format, for example, a request for quotation, a reply to estimate, a delivery request, a delivery reply, etc., according to the file name and storage location of the document information 200. To do. The document information 200 may be classified by tagging it.

  The document item classification unit 101 uses a file name or a storage location (storage path) of the document information 200 to set a series of document information, for example, a request for quotation, an estimate, for a certain partner in the document information 200 of the document DB 2. Responses, delivery requests, delivery responses, etc. are classified as projects for the other party.

  The format template extraction unit 102 extracts a character string common in the document information having a common format between different cases as the format template information 111.

  The case common value extraction unit 103 extracts a common character string as common value information 112 in document information of different formats between the same case.

  The format common value removing unit 104 removes a character string that matches the format template information 111 extracted by the format template extracting unit 102 from the common value information 112 extracted by the case common value extracting unit 103.

  The case template extraction unit 105 extracts a character string other than the common value information 112 removed by the format common value removal unit 104 from the document information of the same case as the case template information 113.

  The error detection unit 106 compares the document information with the case template information 113, and when the character strings input to the common value of the case template information 113 are different from each other, Detect as.

  The common value range extraction unit 107 compares the common values in the case template information 113 between different cases, and further extracts common value information.

  The storage unit 11 includes a document comparison processing program 110 that causes the control unit 10 to operate as the above-described units 100 to 106, format template information 111 that is extracted and output by the format template extraction unit 102, a case common value extraction unit 103, and a format common The common value information 112 output by the value removing unit 104, the item template information 113 output by the item template extracting unit 105, and the like are stored.

  FIG. 3 is a schematic diagram illustrating an example of a storage path structure that is a storage location of the document information 200.

  The storage path structure 20 indicates the storage path structure of the document information 200a, 200b,..., 201a, 201b..., For example, the “estimate work” folder includes “estimate 0001”, “estimate 0002”. The “estimate 0001” and “estimate 0002” folders include “estimate”, “approval”, “delivery” and “order” folders, respectively.

  In the “estimation” folder of “estimation 0001”, document information 200a of “estimation request” and document information 200b of “estimation response” are stored. Here, the document information 200a included in the “estimate request” folder is referred to as format A, and the document information 200b included in the “estimate response” is referred to as format B.

  Also, in the “estimation” of “estimation 0002”, document information 201a (format A) of “request for quotation” and document information 201b (format B) of “estimate response” are stored.

(Operation of document comparison processing device)
Hereinafter, with reference to FIGS. 1 to 15, an example of the operation of the document comparison processing apparatus 1 will be described. (1) Basic operation, (2) Format template extraction operation, (3) Item template extraction operation, (4) Error detection operation This will be explained separately.

(1) Basic operation First, a user operates a terminal device (not shown) and creates document information 200a, 200b,..., 201a, 201b. The created document information 200a, 200b,..., 201a, 201b... Is stored in the document DB 2 by the terminal device at the request of the user. Creation of the document information 200a, 200b..., 201a, 201b... May be performed by a plurality of users.

  Next, the administrator operates the document comparison processing device 1 in order to manage the creation status of the document information 200a, 200b..., 201a, 201b. As specific management contents, the administrator monitors whether there is a description error due to an input error or the like in the document information 200a, 200b... 201a, 201b.

  First, the administrator operates the operation unit 13 of the document comparison processing apparatus 1 in order to select document information to be monitored from the document DB 2. The document comparison processing apparatus 1 reads out, for example, document information 200a, 200b,..., 201a, 201b... From the document DB 2 in response to an operation signal output from the operation unit 13.

(2) Format Template Extraction Operation Next, the document format classification unit 100 classifies the read document information 200a, 200b..., 201a, 201b.

  4A and 4B are schematic diagrams illustrating examples of document information classified for each format.

  The document format classification means 100 indicates the document information 200a, 200b,..., 201a, 201b..., A format A indicating “estimation request” shown in FIG. Classify into format B. Format A has document information 200a and 201a, and format B has document information 200b and 201b.

  Next, the format template extracting unit 102 extracts the character string in which the content common to the common description position is input from the document information included in each format classified by the document format classifying unit 100 to obtain the format template information 111. Output.

  FIGS. 5A and 5B are schematic diagrams illustrating examples of format template information extracted for each format. The format template information shown in FIGS. 5A and 5B includes the contents of character strings other than the shaded portion and position information.

  The format template extraction unit 102 deletes the character string 102a that is not common to the document information 200a and 201a shown in FIG. 4A, extracts a common character string, and uses the format template information 111a shown in FIG. Output.

  Further, the format template extraction unit 102 deletes the character string 102b that is not common to the document information 200b and 201b shown in FIG. 4B, extracts a common character string, and formats template information shown in FIG. 5B. 111b is output.

(3) Case Template Extraction Operation Next, the document case classification unit 101 classifies the document information 200a, 200b..., 201a, 201b.

  FIG. 6 is a schematic diagram illustrating an example of a storage path structure of the document information 200.

  In the storage path structure 20, the document information 200a, 200b... Included in the “estimate 0001” indicating the case and the document information 201a, 201b... Included in the “estimate 0002” are classified as “case 01” and “case 02”, respectively.

  FIGS. 7A and 7B are schematic diagrams illustrating examples of document information classified for each case.

  The document item classifying unit 101 uses the document information 200a, 200b,..., 201a, 201b... To indicate the item 01 indicating “estimation 0001” illustrated in FIG. 7A and the item 02 indicating “estimation 0002” illustrated in FIG. Classify into: The case 01 has document information 200a and 200b, and the case 02 has document information 201a and 201b.

  Next, the case common value extraction unit 103 extracts a character string having the same content in each piece of document information belonging to the same case as a common value. In addition, the common value should just have the input content in common, and the description position may differ.

  Hereinafter, since the case common value extraction unit 103 operates in the same manner for the cases 01 and 02, the contents of the case 01 will be described as a representative.

  FIG. 8 is a schematic diagram illustrating an example of the common value extracted in the document information included in the case 01.

  The case common value extraction unit 103 extracts character strings having common contents from the document information 200a, 200b... As common values 112a to 112g. In the present embodiment, a completely matching character string is used as a common value. However, even if the character string does not match completely, a predetermined number of characters in the character string match, or a formal description and an abbreviation description. Or the like may be extracted as a common value.

  FIG. 9 is a schematic diagram illustrating an example of the content of common value information including common values extracted from the document information of the case 01.

  The case common value extraction unit 103 outputs the common value ranges 112A, 112B, 112C, 112D... Corresponding to the common values 112a, 112b, 112c, 112d.

The common value ranges 112A, 112B, 112C, 112D,... Are a document format column that indicates the format of the document from which the common value is extracted, a range column that indicates the range of the description position on the document from which the common value is extracted, And a value column indicating the described contents. The range field, a stated range of common values 112a of the document information 200a _{A 1, B 1} a stated range of common values 112b, a stated range of common values 112c _{C 1,} a stated range of common values 112d and _{D 1} , _{a 2} a stated range of common values 112a document information 200b, are described _{B 2} a stated range of common values 112b, a stated range of common values 112c _{C 2,} a stated range of common values 112d as _{D 2.}

  Next, the format common value removing unit 104 removes a character string that matches the character string of the format template information 111 from the common value information 112.

  FIG. 10 is a schematic diagram illustrating an example of the content of the common value information 112 from which the character string that matches the character string of the format template information 111 is removed.

  The format common value removing unit 104 corresponds to a character string that matches the character string of the format template information 111 from the common values 112a to 112g of the document information 200a and 200b shown in FIG. 8, that is, 112c, 112e, 112f, 112g, and 112h. The character strings 104a and 104b are removed, respectively.

  FIG. 11 is a schematic diagram illustrating an example of the content of the common value information from which the character string that matches the character string of the format template information 111 is removed.

  The format common value removing unit 104 outputs the common value ranges 112A, 112B, and 112D as the common value information 112 by removing the common values 112c, 112e, 112f, 112g, and 112h.

Next, the case template extraction unit 105 deletes the content of the common value information 112 shown in FIG. 11 from the document information 200a and 200b, and extracts the case template information 113 ₁ a and 113 ₁ b of the case 01 described below. .

  FIG. 12 is a schematic diagram illustrating an example of the contents of the item template information.

The case template information 113 ₁ a and 113 ₁ b are templates obtained by deleting the character strings 105 ₁ a and 105 ₁ b corresponding to the content of the common value information 112 from the document information 200 a and 200 b as the case 01.

For the case 02, the case template information 113 ₂ a and 113 ₂ b are extracted in the same manner.

  Next, the common value range extraction unit 107 extracts a common value range of character strings corresponding to the contents of the common value information 112.

  FIG. 13A is a schematic diagram illustrating an example of a character string corresponding to the content of the common value information 112 in a plurality of cases, and FIG. 13B is a character corresponding to the content of the common value information 112 in a plurality of cases. It is the schematic which shows an example of the common value of a column.

As shown in FIG. 13A, the common value range extraction unit 107 classifies the character strings 105 ₁ a and 105 ₁ b, 105 ₂ a and 105 ₂ b... Are extracted as character strings 105a and 105b, and are extracted as common value template information 113a and 113b of the common case as shown in FIG. 13B. In addition, the extraction of the common description range in a plurality of cases may be a perfect match in all cases, or may be a match at a predetermined ratio.

(4) Error Detection Operation Next, the error detection unit 106 detects an error in the document information based on the common value template information 113a and 113b extracted by the common value range extraction unit 107.

  14A to 14D are schematic diagrams for explaining an example of the operation of the error detection unit 106. FIG. 14A shows the storage path structure of the document information, and FIG. 14B shows the document information. FIG. 14C shows the common value template, and FIG. 14D shows the content of the common value information.

  First, as shown in FIG. 14A, the error detection unit 106 selects, for example, the case 03 and acquires the document information 202a and 202b included in the case 03 from the document DB 2 as an error detection target.

  Next, the error detection means 106 includes the contents of the acquired document information 202a and 202b shown in FIG. 14B, the character string 105a of the common value template information 113a and the common value template information 113b shown in FIG. The character string 105b is compared between the common formats, the values corresponding to the range of the character strings 105a and 105b are extracted from the character strings of the document information 202a and 202b, and the common value information shown in FIG. 112A, 112B, and 112D are generated.

  Next, the error detection means 106 detects inconsistent portions 1120B and 1120D in which the value columns do not match each other in the common value information 112A, 112B, and 112D, and an error in the description range corresponding to the inconsistent portions 1120B and 1120D. Judge that there is.

  The error detection means 106 displays the detected error location on the display unit 12 together with the document information and presents it to the user.

[Other embodiments]
The present invention is not limited to the above embodiment, and various modifications can be made without departing from the gist of the present invention.

  It is also possible to provide the document comparison processing program 110 by storing it in a storage medium such as a CD-ROM, and download it from a server device connected to a network such as the Internet to a storage unit in the device. Also good. Further, part or all of the document format classification unit 100, the document case classification unit 101, the format template extraction unit 102, the case common value extraction unit 103, the format common value removal unit 104, the error detection unit 106, and the common value range extraction unit 107. May be realized by hardware such as ASIC. Note that each step shown in the operation description of the above embodiment can be changed in order, omitted or added.

DESCRIPTION OF SYMBOLS 1 ... Document comparison processing apparatus, 2 ... Document database (DB), 3 ... Network, 4 ... Document comparison processing system, 10 ... Control part, 11 ... Memory | storage part, 12 ... Display part, 13 ... Operation part, 14 ... Communication part , 20 ... Storage path structure, 100 ... Document format classification means, 101 ... Document matter classification means, 102 ... Format template extraction means, 103 ... Case common value extraction means, 104 ... Format common value removal means, 105 ... Case template extraction means 106: Error detection means, 107 ... Common value range extraction means, 110 ... Detection program, 111 ... Format template information, 112 ... Common value information, 113 ... Case template information, 200 ... Document information

Claims (3)

Computer
A format classification means for classifying a plurality of document information included in the plurality of items for each document format when there are a plurality of items having a plurality of document information related to the contents;
First template extraction means for extracting, as a first template, a character string having a common position and content among a plurality of document information in the document format classified by the format classification means;
A character string having a common content among a plurality of pieces of document information included in the same item is extracted together with a position where the character string is described, and a position of the character string of the first template is extracted from the extracted common character string. Common value information extracting means for removing the same character string and extracting it as common value information;
A second template extracting means for extracting a second template as an input field by removing a character string included in the common value information from each document information included in the case;
Document for functioning as detection means for detecting character strings having different contents by applying a character string corresponding to the input field of the second template to the common value information in the document information of the subject matter Comparison processing program. Computer
The second template of a plurality of items is classified into the same format, and the input column position of the second template is common to a plurality of second templates of the same format at a predetermined ratio. And further function as a third template extracting means for extracting a third template including the extracted input field,
The document comparison processing program according to claim 1, wherein the detection unit applies a content input in an input field of the third template to the common value information to detect a character string having different content. A format classification means for classifying a plurality of document information included in the plurality of items for each document format when there are a plurality of items having a plurality of document information related to the contents;
First template extraction means for extracting, as a first template, a character string having a common position and content among a plurality of document information in the document format classified by the format classification means;
A character string having a common content among a plurality of pieces of document information included in the same item is extracted together with a position where the character string is described, and a position of the character string of the first template is extracted from the extracted common character string. Common value information extracting means for removing the same character string and extracting it as common value information;
A second template extracting means for extracting a second template as an input field by removing a character string included in the common value information from each document information included in the case;
Document comparison processing comprising: detecting means for detecting a character string having different contents by applying a character string corresponding to the input field of the second template to the common value information in the document information of the subject matter apparatus.

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