Word sense disambiguation method and device and word sense expansion method and device

A word meaning disambiguation and word meaning technology, which is applied in special data processing applications, instruments, electrical digital data processing, etc., can solve problems such as the inability to determine ambiguous words, and the accuracy of disambiguation cannot meet practical requirements, so as to achieve the effect of reducing dependence

Inactive Publication Date: 2019-05-07
NTT DOCOMO INC
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AI Technical Summary

Problems solved by technology

Unsupervised methods do not require a training corpus, but their disambiguation accuracy cannot meet practical requirements
The current supervised method requires a large-scale high-quality corpus to train the disambiguation model, and once there are words that are not covered by the corpus in the actual sentence to be disambiguated, it is very likely that the ambiguity word cannot be determined

Method used

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  • Word sense disambiguation method and device and word sense expansion method and device
  • Word sense disambiguation method and device and word sense expansion method and device
  • Word sense disambiguation method and device and word sense expansion method and device

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Embodiment Construction

[0034] In order to make the objects, technical solutions and advantages of the present invention more apparent, exemplary embodiments according to the present invention will be described in detail below with reference to the accompanying drawings. Apparently, the described embodiments are only some embodiments of the present invention, rather than all embodiments of the present invention, and it should be understood that the present invention is not limited by the exemplary embodiments described here. Based on the embodiments described in the present invention, all other embodiments obtained by those skilled in the art without creative effort shall fall within the protection scope of the present invention.

[0035] Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings. first refer to Figure 1 to Figure 4 Describe the word sense disambiguation method according to the embodiment of the present invention, the t...

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Abstract

The invention relates to a word sense disambiguation method and equipment based on superordinate words, and a word sense expansion method and equipment using the word sense disambiguation method. Theword sense disambiguation method comprises the following steps: receiving an input statement; Determining a disambiguation target word in the input statement based on a predetermined disambiguation word bank; Determining related words of the target word based on syntactic analysis and context information analysis of the input statement; Determining one or more hypernyms of the related words; And determining the word meaning of the target word in the input statement based on the related word, the word forms and the part-of-speech of the one or more hypernyms and the syntactic relationship withthe target word.

Description

technical field [0001] The present invention relates to the field of artificial intelligence, and more specifically, the present invention relates to a word sense disambiguation method and device, a word sense extension method and device using the word sense disambiguation method, and a computer-readable storage medium. Background technique [0002] Word sense disambiguation (WSD) refers to determining the meaning of polysemous words in a specific context of natural language. Word sense disambiguation is a fundamental problem in the field of natural language processing. When there are polysemous words in the sentence to be processed by natural language, if the correct meaning of the polysemous word in the context of the sentence cannot be correctly determined, word ambiguity will appear, which will seriously affect the correct understanding and processing of natural language by the machine. In natural language-based applications such as language recognition, machine transla...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F17/27G06F40/237
CPCG06F40/237
Inventor 张驰郭心语李安新陈岚礒田佳德小野隆哉
Owner NTT DOCOMO INC
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