Similar file retrieval assisting device and similar file retrieval assisting method

A file retrieval and file technology, applied in special data processing applications, instruments, electronic digital data processing, etc., can solve the problems that users are difficult to understand the retrieval basis and the retrieval progress is not smooth, so as to shorten the retrieval operation time and achieve high quality Effect

Inactive Publication Date: 2016-12-21
HITACHI LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Therefore, there is a disadvantage that it is difficult for the user to understand the search basis, that is, why this file is output as a similar file
However, in the technique of Patent Document 3, there is no mention of a technique for identifying the cause of the search failure.
Therefore, the above-mentioned problem (3) cannot be solved by the technique described in Patent Document 3

Method used

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  • Similar file retrieval assisting device and similar file retrieval assisting method
  • Similar file retrieval assisting device and similar file retrieval assisting method
  • Similar file retrieval assisting device and similar file retrieval assisting method

Examples

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Deformed example 1

[0183] In the above-mentioned embodiment, when the retrieval accuracy analysis unit 516 calculates the retrieval accuracy relative to each factor based on the teacher’s input file, the factor is divided into several factor groups and the retrieval accuracy is calculated according to the factor group. Furthermore, the influence degree calculation unit 519 compares Factor values ​​and factor groups are obtained from the new input file, and the retrieval accuracy of the corresponding factor groups is determined.

[0184] In this regard, in this modified example, instead of determining the factor group and determining the corresponding retrieval accuracy, the teacher input file with the factor value obtained from the new input file or a value near it is determined, and the retrieval accuracy is calculated based on the teacher input file .

[0185] For example, in Figure 16 In the case where the factor value obtained from the new input file is "18", in the above-mentioned embodim...

Deformed example 2）

[0188] In the above-described embodiment, with regard to the eight factors, the degree of influence on the retrieval accuracy is calculated as the deviation value, and the degree of influence is analyzed on the premise that each factor is independent.

[0189] On the other hand, in this modified example, two or more types of factors are combined to form an "integrated factor group" that combines factor groups of the respective factors. That is, in this modified example, for the teacher input file, the retrieval accuracy is calculated for each integrated factor group, and the corresponding integrated factor group is determined based on the combination of factor values ​​obtained from the newly input file. Thereafter, the corresponding retrieval accuracy and the deviation value from the average of the accuracy are determined and displayed to the user. Which factor and which combination of factors may be fixed in advance, or may be selected by the user.

[0190] For example, the...

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Abstract

PROBLEM TO BE SOLVED: To efficiently implement a cycle of a retrieval work process of a user and improve efficiency and quality of the retrieval work by presenting, to the user, information relating to an influence degree of a factor affecting similar document retrieval accuracy on the retrieval accuracy and measures for improving retrieval accuracy.SOLUTION: A similar document retrieval support apparatus performs an analysis relating to a factor for a set of a pair of past input documents and correct documents, associates a range of factor values with retrieval accuracy, and stores them in a table. The similar document retrieval support apparatus performs a similar factorial analysis on a new input document through computer processing, refers it to the table, and calculates the retrieval accuracy associated with a value range falling under the factorial value of the new input document. Then, through the computer processing, the retrieval accuracy and / or a divergence value from a retrieval accuracy average of all the past input documents is presented to the user. In a further preferable case, measure information for improving the retrieval accuracy is presented to the user.

Description

technical field [0001] The present invention relates to a document retrieval device and a document retrieval method for searching a desired document from a large number of document collections. In particular, the present invention relates to a device for supporting similar document retrieval and a method for assisting similar document retrieval, wherein, from a collection of documents for which an article or document specified by a user is used as a retrieval condition, documents similar to or related to the described contents are set as retrieval objects. Retrieve and output files in sequence starting from similar or highly related files. Background technique [0002] Through the popularization and low price of communication networks such as the Internet or hardware such as PC / mobile phone, the high speed of CPU, the large capacity / low price of memory or hard disk, and the high function / high performance of software such as search system and file editor performance, etc., g...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F17/30
Inventor 间赖久雄藤稿航平
Owner HITACHI LTD
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