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Method for automatically acquiring iterative conception attribute name and system

An attribute name, automatic acquisition technology, applied in special data processing applications, instruments, electrical digital data processing, etc., can solve the problems of incomplete type coverage, inability to iterative acquisition, low recall rate, etc.

Active Publication Date: 2012-08-15
INST OF COMPUTING TECHNOLOGY - CHINESE ACAD OF SCI
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  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0011] In order to solve the above-mentioned problems, the object of the present invention is to disclose an iterative method and system for automatic acquisition of concept attribute names, which solves the problems of the above-mentioned prior art that cannot be iteratively acquired, the recall rate is not high and the type coverage is not comprehensive. A Method and System for Acquiring Attributes from Unstructured Web Pages Based on Prefix and Suffix Iteration

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  • Method for automatically acquiring iterative conception attribute name and system
  • Method for automatically acquiring iterative conception attribute name and system
  • Method for automatically acquiring iterative conception attribute name and system

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Embodiment Construction

[0223] Specific embodiments of the present invention are given below, and the present invention is described in detail in conjunction with the accompanying drawings.

[0224] as attached figure 1 As shown, the present invention discloses a method for automatically obtaining an iterative concept attribute name, comprising the following steps:

[0225] Step 1, establish an attribute space for the concept name that needs to be obtained, and the attribute space includes the concept name composed of attributes;

[0226] Step 2, selecting attribute prefixes and / or attribute suffixes from the attribute space, and extracting candidate attributes from the webpage;

[0227] In step 3, the candidate attributes are verified using a similarity-based verification model, and the attribute prefixes and / or attribute suffixes are expanded iteratively.

[0228] For the convenience of presentation, we first introduce some definitions and explain them with examples.

[0229] Definition 1: For a...

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Abstract

The invention discloses a method for automatically acquiring an iterative conception attribute name and a system. The method is characterized by including steps: firstly building an attribute space for the conception name to be acquired, and leading the attribute space to contain the conception name consisting of attributes; secondly, selecting an attribute prefix and / or an attribute suffix from the attribute space and extracting candidate attributes from a website; and thirdly, verifying the candidate attribute by the aid of a verification model based on similarity, and expanding an attribute set iteratively.

Description

technical field [0001] The invention relates to the field of large-scale knowledge acquisition in the field of artificial intelligence computers, in particular to an iterative automatic acquisition method and system for concept attribute names. Background technique [0002] Any concept word has certain semantics. However, concept words are only a special term, and their ability to directly express semantics is very weak. Therefore, we must use other types of knowledge to further express or characterize the semantics implied by concept words. The properties of concepts are one such kind of knowledge. [0003] It is generally believed that attribute is a carrier of conceptual connotation. An attribute describes a feature or property of a concept; through attributes, we can distinguish different concepts and find the differences between them. Therefore, attributes have the function of describing concepts and identifying concepts. Each concept has a set of attributes for ide...

Claims

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Application Information

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IPC IPC(8): G06F17/30
Inventor 曹存根汪平仄
Owner INST OF COMPUTING TECHNOLOGY - CHINESE ACAD OF SCI