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Similar document retrieval auxiliary device and similar document retrieval auxiliary 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: 2013-09-11
HITACHI LTD
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  • Summary
  • 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 document retrieval auxiliary device and similar document retrieval auxiliary method
  • Similar document retrieval auxiliary device and similar document retrieval auxiliary method
  • Similar document retrieval auxiliary device and similar document retrieval auxiliary method

Examples

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Deformed example 1

[0183] In the above embodiment, when the retrieval accuracy analysis unit 516 calculates the retrieval accuracy for each factor based on the teacher input file, the factor is divided into several factor groups and the retrieval accuracy is calculated according to the factor group, and then the influence calculation unit 519 compares The factor value and factor group obtained from the new input file, and the retrieval accuracy of the corresponding factor group is determined.

[0184] In this regard, in this modification, 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 its vicinity value 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 embodiment, it is regarded as belonging to the fac...

Deformed example 2）

[0188] In the above embodiment, regarding the eight factors, the degree of influence on the search accuracy is calculated as the deviation value, and the degree of influence is analyzed on the premise that each factor is independent.

[0189] In this regard, in this modification example, two or more factors are combined to form a "integrated factor group" that combines factor groups of each factor. That is, in this modification, for the teacher input file, the retrieval accuracy is calculated for the integrated factor group, and the corresponding integrated factor group is determined based on the combination of factor values ​​obtained from the new input file. After that, the corresponding search accuracy and the average deviation value from the accuracy are determined and shown to the user. Which factor can be combined with which factor can be fixed in advance, or it can be selected by the user.

[0190] For example, the factor "total hits" is combined with the factor "similarity...

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Abstract

The invention provides a similar document retrieval auxiliary device and a similar document retrieval auxiliary method. The extent of the impact exerted on retrieval precision by an essential factor affecting similar document retrieval precision and information concerning countermeasures for improving retrieval precision are shown to a user, and therefore the retrieval work of the user can cyclically run in a highly-efficient manner, and the efficiency and quality of the retrieval work can be improved. Based on a right set of previous input documents and right answer documents, the essential factor is analyzed, and a correspondence relation is established between a value range of the essential factor and retrieval precision and is stored in a table. Through computer processing operation, newly input documents are subjected to the same essential analysis operation, retrieval precision corresponding to the value range which conforms with the essential factor value of the newly input documents is calculated based on comparison with the above table. Then, through computer processing, the retrieval precision and / or an average deviation value compared with the whole retrieval precision of the previous input documents is shown to the user. In a more ideal condition, information of countermeasures for improving the retrieval precision is shown to the user.

Description

Technical field [0001] The present invention relates to a file search device and a file search method for searching a desired file from a large number of file collections. In particular, the present invention relates to a similar document search support device and a similar document search support method, in which an article or document designated by a user is used as a search condition, and a document similar to or related to the content of the document is set as a search target from a set of documents Search, and output sequentially from similar or highly related files. Background technique [0002] Through the popularization and price reduction of hardware such as the Internet and other communication networks or PC / mobile phones, the increase in the speed of CPU, the increase and decrease in the capacity / price of memory or hard disk, the high function and improvement of software such as search systems or file editors For performance, ordinary people can easily access a large ...

Claims

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Application Information

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