JP2018163599A - Knowledge sharing assisting apparatus and knowledge sharing assisting program - Google Patents

Abstract

PROBLEM TO BE SOLVED: To effectively determine whether or not implicit knowledge is included in a document.SOLUTION: A knowledge sharing assisting apparatus 100 has an analysis unit 120 which analyzes supplemental explanation described at a downstream process for change in contents of a document 200 when the document 200 created at an upstream process of a system development is revised at the downstream process of the system development and which calculates, from the result of analysis, degree of explanation indicating how the supplemental explanation is described. A determining unit 130 compares a degree of change indicating how the contents of the document 200 is changed at the downstream process and the degree of explanation calculated by the analysis unit 120 and determines, based on the comparison result, whether or not implicit knowledge which is obtained at the downstream process but is not explained at the downstream process is included in the document 200.SELECTED DRAWING: Figure 1

Description

  The present invention relates to a knowledge sharing support apparatus and a knowledge sharing support program.

  In the technique described in Patent Document 1, differences extracted from versions that are adjacent to each other are summarized and output for a structured document having a plurality of versions. Specifically, a difference between successive versions of a specified XML document is extracted, and a set having a common element name among the extracted differences is determined as a work range. Then, the difference information summarizing the past work range is generated and displayed without summarizing the latest work range. “XML” is an abbreviation for Extensible Markup Language.

Japanese Patent Laid-Open No. 2015-204076

  In the system development process, various documents are created and used to share knowledge such as requirements between developers. However, requirements that were not yet recognized and understood in the upstream process at the time of design, etc., became clear in the downstream process such as on-site installation, and the results of the local corrections were documented without sufficient explanation about the corrections. Once reflected, the revealed requirements are tacit and not shared with the developer.

  For example, the candidate product listed in the requirement definition may be determined to be inappropriate because it is functionally insufficient in a later process. Alternatively, it may be found during development that the product communication interface supports not only FTP but also HTTP, and specifications may be modified at the design stage. In any case, if only the changes are included in the document, the same rework may occur in another project. Therefore, it is required to record the reason why such a change has occurred as a sufficient explanation including the reason. “FTP” is an abbreviation for File Transfer Protocol. “HTTP” is an abbreviation for Hypertext Transfer Protocol.

  In the prior art, it is necessary for the user to determine whether or not tacit knowledge is included in the difference information of the document for each version, which takes more time than manual input of tacit knowledge.

  An object of the present invention is to improve the efficiency of determining whether tacit knowledge is included in a document.

A knowledge sharing support apparatus according to an aspect of the present invention includes:
Analyzes the supplementary explanation described in the second step when the document created in the first step of the business is revised in the second step after the first step of the business. And an analysis unit that calculates an explanation degree that is a degree in which the supplementary explanation is described from the analysis result;
The degree of change, which is the degree to which the content of the document has been changed in the second step, is compared with the degree of explanation calculated by the analysis unit, and the comparison result indicates that the document was obtained in the second step. A determination unit that determines whether tacit knowledge, which is knowledge not explained in the second step, is included in the document.

  In the present invention, it is determined whether or not tacit knowledge is included in the document based on the comparison result between the degree of change in the document content and the degree of explanation for the change in the document content. For this reason, it is possible to efficiently determine whether tacit knowledge is included in the document.

FIG. 2 is a block diagram illustrating a configuration of a knowledge sharing support apparatus according to the first embodiment. 5 is a flowchart showing the operation of the knowledge sharing support apparatus according to the first embodiment. FIG. 4 is a block diagram illustrating a configuration of a knowledge sharing support apparatus according to a second embodiment. 9 is a flowchart showing the operation of the knowledge sharing support apparatus according to the second embodiment. 10 is a flowchart showing the operation of the knowledge sharing support apparatus according to the third embodiment.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings. In the drawings, the same or corresponding parts are denoted by the same reference numerals. In the description of the embodiments, the description of the same or corresponding parts will be omitted or simplified as appropriate. The present invention is not limited to the embodiments described below, and various modifications can be made as necessary. For example, two or more embodiments among the embodiments described below may be combined and executed. Alternatively, among the embodiments described below, one embodiment or a combination of two or more embodiments may be partially implemented.

Embodiment 1 FIG.
This embodiment will be described with reference to FIGS.

*** Explanation of configuration ***
With reference to FIG. 1, a configuration of knowledge sharing support apparatus 100 according to the present embodiment will be described.

  The knowledge sharing support apparatus 100 is a computer. The knowledge sharing support device 100 includes a processor 101 and other hardware such as a memory 102, an input device 103, a display 104, and a communication device 105. The processor 101 is connected to other hardware via a signal line, and controls these other hardware.

  The knowledge sharing support apparatus 100 includes an input unit 110, an analysis unit 120, a determination unit 130, and a notification unit 140 as functional elements. The functions of the input unit 110, the analysis unit 120, the determination unit 130, and the notification unit 140 are realized by software.

  The processor 101 is an IC that performs various processes. “IC” is an abbreviation for Integrated Circuit. The processor 101 is a CPU, for example. “CPU” is an abbreviation for Central Processing Unit.

  The memory 102 is, for example, a flash memory or a RAM. “RAM” is an abbreviation for Random Access Memory.

  The input device 103 is, for example, a mouse, a keyboard, or a touch panel.

  The display 104 is, for example, an LCD. “LCD” is an abbreviation for Liquid Crystal Display.

  The communication device 105 includes a receiver that receives data and a transmitter that transmits data. The communication device 105 is, for example, a communication chip or a NIC. “NIC” is an abbreviation for Network Interface Card.

  A plurality of documents 200 are stored in the memory 102. The plurality of documents 200 are input or received from the outside of the knowledge sharing support apparatus 100 via the input device 103 or the communication device 105 and stored in the memory 102 in advance.

  Further, the memory 102 stores a knowledge sharing support program that is a program for realizing the functions of the input unit 110, the analysis unit 120, the determination unit 130, and the notification unit 140. The knowledge sharing support program is read into the processor 101 and executed by the processor 101. The memory 102 also stores an OS. “OS” is an abbreviation for Operating System. The processor 101 executes the knowledge sharing support program while executing the OS. A part or all of the knowledge sharing support program may be incorporated in the OS.

  The knowledge sharing support program and the OS may be stored in an auxiliary storage device. The auxiliary storage device is, for example, a flash memory or an HDD. “HDD” is an abbreviation for Hard Disk Drive. The knowledge sharing support program and OS stored in the auxiliary storage device are loaded into the memory 102 and executed by the processor 101.

  The knowledge sharing support apparatus 100 may include a plurality of processors that replace the processor 101. The plurality of processors share the execution of the knowledge sharing support program. Each processor is an IC that performs various processes in the same manner as the processor 101.

  Information, data, signal values, and variable values indicating the processing results of the input unit 110, the analysis unit 120, the determination unit 130, and the notification unit 140 are stored in the memory 102, the auxiliary storage device, or a register or cache memory in the processor 101. Remembered.

  The knowledge sharing support program may be stored in a portable recording medium such as a magnetic disk and an optical disk.

*** Explanation of operation ***
With reference to FIG. 2, the operation of knowledge sharing support apparatus 100 according to the present embodiment will be described. The operation of the knowledge sharing support apparatus 100 corresponds to the knowledge sharing support method according to the present embodiment.

  In step S <b> 11, the input unit 110 acquires a document D <b> 1 and a document D <b> 2 that is a revised version of the document D <b> 1 from the plurality of documents 200 stored in the memory 102. The input unit 110 inputs the acquired document D1 and document D2 to the analysis unit 120.

  Specifically, when the input unit 110 detects a new document 200 placed at a predesignated position, the input unit 110 reads the new document 200 into the memory 102 as the document D2 and also the document 200 before the revision of the document D2. To obtain the document D1. The input unit 110 inputs the acquired document D1 and the detected document D2 to the analysis unit 120 as input data. The “predesignated position” is, for example, a specific folder.

  The document D1 is the document 200 created in the first process of a certain business. The document D2 is the document 200 that has been revised in the second process of the business. The “business” may be any business, but in this embodiment is system development. The “first step” may be an arbitrary step, but is an upstream step such as design in the present embodiment. The “second step” may be a step after the first step, but is a downstream step such as on-site installation in the present embodiment.

  In step S <b> 12, the analysis unit 120 analyzes the document 200 input by the input unit 110.

  Specifically, the analysis unit 120 compares the document D1 and the document D2, which are the documents 200 before and after the revision input in step S11, and finds a portion having a change amount equal to or greater than the threshold between the document D1 and the document D2. Extract as a difference and analyze the extracted difference. The threshold value of the change amount may be set to be larger than “0”, but is desirably adjusted as appropriate by tuning.

  More specifically, the analysis unit 120 compares the text of the document D1 and the text of the document D2, measures the amount of change in the text and the figure, and determines a location where the amount of change exceeds the threshold as the text of the document D1. Extracted as a difference from the text of the document D2. The “text” is a part obtained by removing the annotation from the entire document 200. “Annotation” is at least one of a revision column, a footer, and a footnote. In the present embodiment, it is all of a revision column, a footer, and a footnote. The footnote is, for example, the text described at the bottom of each page of the document 200 excluding the footer, or the text described with a reference symbol such as “*” on each page of the document 200. As the change amount threshold value, a plurality of types of threshold values may be set, such as a text change amount threshold value and a diagram change amount threshold value. The analysis unit 120 analyzes the difference between the text of the document D1 and the text of the document D2 as a change in the content of the document 200. Any method can be used as a method for measuring the amount of change in text and diagrams in step S12. For example, when a method for calculating the amount of change in accordance with the increase or decrease in text and diagrams is used, document D2 is used. The amount of change is calculated as an absolute value so that the amount of change does not become negative even if the text or figure is deleted.

  Note that the analysis unit 120 may treat not only the revision column, footer, and footnote, but also a phrase including a fixed expression in the text of the document D2 as an annotation. Specific examples of the “determined expression” include expressions such as “for” and “by” that explain the reason for changing the content of the document 200. For example, the text “change A product to B product for the end of product production” is broken down into the annotation “for product end of production” and the text “change A product to B product”. The text “Change A product to B product by customer request” is broken down into the annotation “By customer request” and the text “Change A product to B product”. In this way, it is expected that the final analysis accuracy can be improved by revising the document with the author recognizing a predetermined expression manner as a rule at the time of document revision.

  The analysis unit 120 may measure the change amount of only the text or the figure instead of measuring the change amount of the text and the figure.

  In step S13, the analysis unit 120 calculates the degree of change from the analysis result in step S12. The degree of change is the degree to which the content of the document 200 has been changed in the downstream process. Specifically, the degree of change is a numerical value indicating the degree to which the text of the document 200 has been changed. An arbitrary method or formula can be used as the calculation method or formula for the degree of change. However, it is desirable that the degree of change is appropriately adjusted by tuning in order to increase the accuracy of determination in step S16 described later. In the present embodiment, a method is mainly used in which the length of the text extracted as a difference between the body of the document D1 and the body of the document D2 in step S12 is quantified. That is, the analysis unit 120 calculates the degree of change higher as the difference text extracted in step S12 is longer.

  In step S14, the analysis unit 120 analyzes the supplementary explanation described in the downstream process regarding the change in the content of the document 200 when the document 200 created in the upstream process of system development is revised in the downstream process of system development. .

  Specifically, the analysis unit 120 extracts supplementary explanation from at least one of the revision column, footer, and footnote of the document D2 input in step S11, and analyzes the extracted supplementary explanation. In the present embodiment, the analysis unit 120 extracts supplementary explanations from all of the revision column, footer, and footnote of the document D2, and analyzes the extracted supplementary explanations.

  More specifically, the analysis unit 120 compares the annotation of the document D1 and the annotation of the document D2, measures the amount of change in the text and the figure, and determines the location where the amount of change exceeds the threshold as the annotation of the document D1. Extracted as a difference from the annotation of the document D2. The change amount threshold value may be the same as the threshold value used in step S12, but it is desirable to set it separately. The separately set threshold value only needs to be set to be larger than “0”, but is preferably adjusted as appropriate by tuning. Similar to the threshold used in step S12, a plurality of types of thresholds may be set as the change threshold, such as a text change threshold and a diagram change threshold. The analysis unit 120 analyzes the difference between the annotation of the document D1 and the annotation of the document D2 as a supplementary explanation. Any method can be used as the method for measuring the amount of change in the text and the figure in step S14. For example, when using the method for calculating the amount of change according to the increase or decrease in the text and the figure, the document D2 is used. The amount of change is calculated as an absolute value so that the amount of change does not become negative even if the text or figure is deleted.

  Note that, when a phrase including a fixed expression is treated as an annotation, the analysis unit 120 extracts a phrase including the corresponding expression from the document D2 as a supplementary explanation, and analyzes the extracted supplementary explanation.

  The analysis unit 120 may extract the supplementary explanation from a document different from the document 200 input by the input unit 110 and analyze the extracted supplementary explanation. When extracting the supplementary explanation from another document, the analysis unit 120 compares the entire document D1 and the entire document D2 in step S12, and extracts the difference between the entire document D1 and the entire document D2. Analyze the extracted difference. “Another document” is, for example, a release note if the document 200 input by the input unit 110 is source code, and a review sheet if the document 200 input by the input unit 110 is a specification or design document. is there.

  In step S15, the analysis unit 120 calculates the degree of explanation from the analysis result of step S14. The degree of explanation is the degree to which supplementary explanation is described. Specifically, the degree of explanation is a numerical value indicating the degree to explain the reason for changing the document 200. Any method or formula can be used as the method for calculating the degree of explanation or the formula, but it is desirable to adjust it appropriately by tuning in order to increase the accuracy of determination in step S16 described later. In the present embodiment, a method of quantifying the length of the text extracted as a difference between the annotation of the document D1 and the annotation of the document D2 in step S14 is mainly used. That is, the analysis unit 120 calculates the degree of explanation higher as the difference text extracted in step S14 is longer. As described above, the analysis result in step S14 may be obtained from another document. That is, another document can be used for calculating the explanation level.

  The degree of explanation depends on whether the text extracted as the difference between the annotation of the document D1 and the annotation of the document D2 in step S14 has a reference to the page or chart number changed from the document D1 in the document D2. May be raised or lowered. That is, the analysis unit 120 may adjust the explanation level to a higher numerical value if there is a reference to a portion corresponding to the difference extracted in step S12 in the difference extracted in step S14.

  In step S <b> 16, the determination unit 130 compares the degree of change calculated by the analysis unit 120 with the degree of explanation. The determination unit 130 determines from the comparison result whether the document D2 includes tacit knowledge that is knowledge that has been obtained in the downstream process but is not explained in the downstream process.

  Specifically, the determination unit 130 determines whether tacit knowledge is included in the document D2 depending on which of the degree of change and the degree of explanation calculated in step S15 is higher. That is, the determination unit 130 determines that tacit knowledge is included in the document D2 when the degree of change is higher than the degree of explanation, otherwise, the explanation regarding the change is sufficiently described in the document D2, and the implicit It is determined that the knowledge is not included in the document D2. If the determination unit 130 determines that tacit knowledge is included in the document D2, the process of step S17 is performed. If the determination unit 130 determines that tacit knowledge is not included in the document D2, the operation ends.

  In step S17, the notification unit 140 notifies the user of a message that prompts the user to describe tacit knowledge.

  Specifically, the notification unit 140 outputs a message notifying that tacit knowledge is included in the document D2 and that supplementary explanation should be added to the document D2 to the screen of the display 104. Alternatively, the notification unit 140 transmits a mail notifying that the tacit knowledge is included in the document D2 and that supplementary explanation should be added to the document D2 to the user via the communication device 105.

  The message notified by the notification unit 140 is preferably stored in a searchable format in a database constructed in the memory 102 or the auxiliary storage device, or in a database external to the knowledge sharing support device 100.

  The degree of change may be given from the outside of the knowledge sharing support apparatus 100 via the input device 103 or the communication device 105. That is, the process of step S12 and step S13 can be omitted.

*** Explanation of the effect of the embodiment ***
In the present embodiment, whether or not tacit knowledge is included in the document 200 is determined from the comparison result between the degree of change in the content of the document 200 and the degree of explanation for the change in the content of the document 200. For this reason, it is possible to efficiently determine whether tacit knowledge is included in the document 200.

  In the present embodiment, when the degree of change is higher than the degree of explanation, the reason for changing the document 200 is not sufficiently described, and the user is warned that the document 200 may include tacit knowledge. be able to. As a result, it is possible to make the creator of the document 200 aware of the possibility that the updated document 200 contains tacit knowledge, and to promote tacit knowledge documentation and promote knowledge sharing.

*** Other configurations ***
In the present embodiment, the functions of the input unit 110, the analysis unit 120, the determination unit 130, and the notification unit 140 are realized by software. However, as a modification, the input unit 110, the analysis unit 120, the determination unit 130, and the notification unit 140 are implemented. These functions may be realized by a combination of software and hardware. That is, some of the functions of the input unit 110, the analysis unit 120, the determination unit 130, and the notification unit 140 may be realized by a dedicated electronic circuit, and the rest may be realized by software.

  The dedicated electronic circuit is, for example, a single circuit, a composite circuit, a programmed processor, a parallel programmed processor, a logic IC, a GA, an FPGA, or an ASIC. “GA” is an abbreviation for Gate Array. “FPGA” is an abbreviation for Field-Programmable Gate Array. “ASIC” is an abbreviation for Application Specific Integrated Circuit.

  The processor 101, the memory 102, and the dedicated electronic circuit are collectively referred to as a “processing circuit”. That is, regardless of whether the functions of the input unit 110, the analysis unit 120, the determination unit 130, and the notification unit 140 are realized by software or a combination of software and hardware, the input unit 110, the analysis unit 120 The functions of the determination unit 130 and the notification unit 140 are realized by a processing circuit.

Embodiment 2. FIG.
In the present embodiment, differences from the first embodiment will be mainly described with reference to FIGS.

*** Explanation of configuration ***
With reference to FIG. 3, the configuration of knowledge sharing support apparatus 100 according to the present embodiment will be described.

  The configuration of knowledge sharing support apparatus 100 is the same as that of the first embodiment shown in FIG. 1, but in this embodiment, schedule information 300 is stored in memory 102. The schedule information 300 is input or received from the outside of the knowledge sharing support apparatus 100 via the input device 103 or the communication device 105 and is stored in the memory 102 in advance.

*** Explanation of operation ***
With reference to FIG. 4, the operation of knowledge sharing support apparatus 100 according to the present embodiment will be described. The operation of the knowledge sharing support apparatus 100 corresponds to the knowledge sharing support method according to the present embodiment.

  In step S <b> 21, the input unit 110 acquires a document D <b> 1 and a document D <b> 2 that is a revised version of the document D <b> 1 from the plurality of documents 200 stored in the memory 102. The input unit 110 also acquires schedule information 300 stored in the memory 102. The input unit 110 inputs the acquired document D1, document D2, and schedule information 300 to the analysis unit 120.

  The schedule information 300 is information indicating an execution schedule of work performed in the second process of work according to the content of the document 200. In the present embodiment, the schedule information 300 is information indicating the scheduled execution date of work such as local installation performed in the downstream process of system development along the contents of the document D1.

  Since the processing from step S22 to step S25 is the same as the processing from step S11 to step S15, description thereof will be omitted.

  In step S <b> 26, the analysis unit 120 weights the degree of change based on the schedule information 300 input by the input unit 110.

  Specifically, when the scheduled execution date indicated in the schedule information 300 input in step S21 has passed, the analysis unit 120 has already performed work according to the content of the document D1, and as a result, the document It is presumed that the change in the content of D1 is reflected in the document D2. On the other hand, when the scheduled execution date indicated in the schedule information 300 input in step S21 has not passed, the analysis unit 120 has not yet performed the work according to the content of the document D1, and the substantial content. Is not changed between the document D1 and the document D2. The analysis unit 120 weights the degree of change calculated in step S23 according to the estimation result. That is, the analysis unit 120 adjusts the degree of change to a higher numerical value when it is estimated that the change in the content of the document D1 is reflected in the document D2. When the analysis unit 120 estimates that the substantial content has not changed between the document D1 and the document D2, the analysis unit 120 keeps the degree of change as it is or adjusts the degree of change to a lower value.

  Note that the analysis unit 120 may weight the degree of explanation calculated in step S25 instead of the degree of change calculated in step S23 according to the estimation result. That is, when the analysis unit 120 estimates that the change in the content of the document D1 is reflected in the document D2, the analysis unit 120 adjusts the explanation level to a lower numerical value. When the analysis unit 120 estimates that the substantial content has not changed between the document D1 and the document D2, the analysis unit 120 keeps the explanation level as it is or adjusts the explanation level to a higher numerical value.

  Since the processes in steps S27 and S28 are the same as the processes in steps S16 and S17, the description thereof is omitted.

  Instead of the schedule information 300, performance information, which is information indicating the execution result of the work performed in the second step of the work in accordance with the contents of the document 200, is stored in the memory 102, and the analysis unit 120 stores the result information in step S21. It may be entered. A specific example of the performance information is a daily work report. When the record information is input, in step S26, the analysis unit 120 estimates whether or not the substantial content of the document D1 has changed from the implementation result indicated in the record information, and responds to the estimation result. Thus, the degree of change calculated in step S23 or the degree of explanation calculated in step S25 is weighted.

*** Explanation of the effect of the embodiment ***
In the present embodiment, the tacit knowledge is converted into the document 200 in consideration of the fact that the possibility of tacit knowledge increases when the scheduled execution date of the work that is likely to change in the body of the document 200 has passed. The accuracy of the determination can be improved by determining whether it is included.

Embodiment 3 FIG.
The difference between the present embodiment and the second embodiment will be mainly described with reference to FIG.

*** Explanation of configuration ***
The configuration of knowledge sharing support apparatus 100 according to the present embodiment is the same as that of the second embodiment shown in FIG.

*** Explanation of operation ***
With reference to FIG. 5, the operation of knowledge sharing support apparatus 100 according to the present embodiment will be described. The operation of the knowledge sharing support apparatus 100 corresponds to the knowledge sharing support method according to the present embodiment.

  Since the process of step S31 is the same as the process of step S21, description is abbreviate | omitted.

  In step S <b> 32, the analysis unit 120 calculates the degree of change based on the schedule information 300 input by the input unit 110. Any method or formula can be used as the calculation method or formula for the degree of change, but it is desirable that the degree of change is appropriately adjusted by tuning in order to increase the accuracy of the determination in step S36 described later. In the present embodiment, a method of setting a fixed value is used depending on whether or not the scheduled execution date indicated in the schedule information 300 input in step S21 has passed. That is, when the scheduled execution date indicated in the schedule information 300 has passed, the analysis unit 120 determines the degree of change as the first fixed value. When the scheduled execution date indicated in the schedule information 300 has not passed, the analysis unit 120 determines the degree of change to a second fixed value that is smaller than the first fixed value. Specific examples of the first fixed value and the second fixed value are “1” and “0”, respectively.

  About the process of step S33 and step S34, since it is the same as the process of step S24 and step S25, description is abbreviate | omitted.

  About the process of step S35 and step S36, since it is the same as the process of step S27 and step S28, description is abbreviate | omitted.

  Instead of the schedule information 300, performance information, which is information indicating the execution result of the work performed in the second step of the work in accordance with the contents of the document 200, is stored in the memory 102, and the analysis unit 120 stores it in step S31. It may be entered. A specific example of the performance information is a daily work report. When the record information is input, in step S32, the analysis unit 120 estimates whether or not the substantial content of the document D1 has changed from the implementation result indicated in the record information, and responds to the estimation result. To calculate the degree of change.

*** Explanation of the effect of the embodiment ***
In this embodiment, even if the scheduled execution date of the work that is highly likely to change in the text of the document 200 has passed, if there is no additional writing in the annotation of the document 200, it is assumed that there is tacit knowledge. This makes it possible to efficiently determine whether knowledge is included in the document 200.

  100 knowledge sharing support device, 101 processor, 102 memory, 103 input device, 104 display, 105 communication device, 110 input unit, 120 analysis unit, 130 determination unit, 140 notification unit, 200 document, 300 schedule information.

Claims (12)

Analyzes the supplementary explanation described in the second step when the document created in the first step of the business is revised in the second step after the first step of the business. And an analysis unit that calculates an explanation degree that is a degree in which the supplementary explanation is described from the analysis result;
The degree of change, which is the degree to which the content of the document has been changed in the second step, is compared with the degree of explanation calculated by the analysis unit, and the comparison result indicates that the document was obtained in the second step. A knowledge sharing support apparatus comprising: a determination unit that determines whether tacit knowledge, which is knowledge not explained in the second step, is included in the document. The analysis unit analyzes the document, calculates the change degree from the analysis result,
The knowledge sharing support apparatus according to claim 1, wherein the determination unit compares the degree of change calculated by the analysis unit with the degree of explanation.   3. The analysis unit according to claim 2, wherein the analysis unit compares the documents before and after the revision, extracts a part having a change amount equal to or greater than a threshold, analyzes the extracted part, and calculates the degree of change from the analysis result. Knowledge sharing support device. An input unit that inputs information indicating an implementation schedule of the work performed in the second step along the content of the document to the analysis unit;
The knowledge sharing support apparatus according to claim 2 or 3, wherein the analysis unit weights either the degree of change or the degree of explanation based on information input by the input unit. An input unit that inputs information indicating an execution result of the work performed in the second step along the content of the document to the analysis unit;
The knowledge sharing support apparatus according to claim 2 or 3, wherein the analysis unit weights either the degree of change or the degree of explanation based on information input by the input unit. An input unit that inputs information indicating an implementation schedule of the work performed in the second step along the content of the document to the analysis unit;
The analysis unit calculates the degree of change based on information input by the input unit,
The knowledge sharing support apparatus according to claim 1, wherein the determination unit compares the degree of change calculated by the analysis unit with the degree of explanation. An input unit that inputs information indicating an execution result of the work performed in the second step along the content of the document to the analysis unit;
The analysis unit calculates the degree of change based on information input by the input unit,
The knowledge sharing support apparatus according to claim 1, wherein the determination unit compares the degree of change calculated by the analysis unit with the degree of explanation.   The knowledge sharing support according to any one of claims 1 to 7, wherein the analysis unit extracts the supplementary explanation from at least one of a revision column, a footer, and a footnote of the document, and analyzes the extracted supplementary explanation. apparatus.   The knowledge sharing support apparatus according to any one of claims 1 to 8, wherein the analysis unit extracts a phrase including a fixed expression from the document as the supplementary explanation and analyzes the extracted supplementary explanation.   The knowledge sharing support apparatus according to any one of claims 1 to 9, wherein the analysis unit extracts the supplementary explanation from a document different from the document and analyzes the extracted supplementary explanation.   11. The information processing apparatus according to claim 1, further comprising: a notification unit that notifies a user of a message that prompts the user to describe the tacit knowledge when the tacit knowledge is determined to be included in the document. The knowledge sharing support apparatus according to Item 1. On the computer,
Analyzes the supplementary explanation described in the second step when the document created in the first step of the business is revised in the second step after the first step of the business. Then, from the analysis result, a process of calculating the degree of explanation that is the degree to which the supplementary explanation is described;
The degree of change, which is the degree to which the content of the document is changed in the second step, is compared with the degree of explanation, and the comparison result explains in the second step even though it is obtained in the second step. A knowledge sharing support program for executing a process of determining whether tacit knowledge, which is not knowledge, is included in the document.

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