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Method and device for taking temperature for extracting entities

A template and entity technology, applied in the field of information processing, can solve problems such as difficulty in grasping template generalization, increasing accuracy, and decreasing accuracy.

Inactive Publication Date: 2016-06-15
FUJITSU LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, traditional template learning methods have a trade-off between precision and recall in entity extraction
This is because it is difficult to grasp how general-specific the resulting template is
A template that is too specific will lead to an increase in precision and a decrease in recall, and a template that is too general will lead to an increase in recall and a decrease in precision

Method used

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  • Method and device for taking temperature for extracting entities
  • Method and device for taking temperature for extracting entities
  • Method and device for taking temperature for extracting entities

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Embodiment Construction

[0020] Exemplary embodiments of the present invention will be described in detail below with reference to the accompanying drawings. In the interest of clarity and conciseness, not all features of an actual implementation are described in this specification. It should be understood, however, that in developing any such practical implementation, many implementation-specific decisions must be made in order to achieve the developer's specific goals, such as meeting those system- and business-related constraints and those Restrictions may vary from implementation to implementation. Moreover, it should also be understood that development work, while potentially complex and time-consuming, would at least be a routine undertaking for those skilled in the art having the benefit of this disclosure.

[0021] Here, it should also be noted that, in order to avoid obscuring the present invention due to unnecessary details, only the device structure and / or processing steps closely related ...

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Abstract

The invention discloses a method and device for taking temperature for extracting entities. The method for taking temperature for extracting entities comprises steps of creating reference tables in training corpus; taking candidate templates in training corpus based on reference tables; utilizing certified corpus to certificate the validity of candidate templates; adjusting relevant evaluation values of the reference tables according to the verification result; and determining candidate templates when the second pre-set condition is satisfied as the extracted templates. The reference tables comprise combinations of ordinary characters and meta-characters in accord with a first pre-set condition and corresponding valuation values.

Description

technical field [0001] The present invention relates generally to the field of information processing. Specifically, the present invention relates to a method and device capable of automatically and well extracting templates for extracting entities. Background technique [0002] In recent years, with the development of Internet technology and the popularity of personal smart devices, online text content on the Internet has grown exponentially. In order to effectively process a large amount of text content, automatic information extraction is required. [0003] Correspondingly, information extraction technology has made great progress. Generally, information extraction techniques can be divided into feature-based information extraction techniques and rule-based information extraction techniques. Feature-based information extraction technology relies on a large number of complex features, and feature selection, corresponding model training, and feature calculation during ap...

Claims

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Application Information

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IPC IPC(8): G06F17/27
Inventor 方瑞玉缪庆亮张波房璐孟遥
Owner FUJITSU LTD
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