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Sentence similarity calculating method and device as well as system

A technology of sentence similarity and calculation method, applied in calculation, computer parts, character and pattern recognition, etc., can solve the problem of one-sided information, reduce the accuracy of sentence similarity, etc., and achieve the effect of improving accuracy

Active Publication Date: 2018-07-10
IFLYTEK CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In related technologies, the similarity between sentences is generally calculated directly based on the word vectors of the words in the two sentences in the sentence pair. This method considers one-sided information, thereby reducing the accuracy of sentence similarity calculation.

Method used

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  • Sentence similarity calculating method and device as well as system
  • Sentence similarity calculating method and device as well as system

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Embodiment Construction

[0023] Embodiments of the present application are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals denote the same or similar modules or modules having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary, and are only for explaining the present application, and should not be construed as limiting the present application. On the contrary, the embodiments of the present application include all changes, modifications and equivalents falling within the spirit and scope of the appended claims.

[0024] figure 1 It is a schematic flowchart of a sentence similarity calculation method proposed by an embodiment of the present application.

[0025] Such as figure 1 As shown, the method of the present embodiment includes:

[0026] S11: Obtain sentence pairs whose similarity is to be calculated.

[0027] Generally speaking, a set of sentence pairs conta...

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Abstract

The invention discloses a sentence similarity calculating method and device as well as system. The sentence similarity calculating method comprises the following steps: acquiring a sentence pair of to-be-calculated similarity; building a dependence syntactic tree of each sentence in the sentence pair; and calculating similarity between sentences in the sentence pair according to a pre-built sentence similarity calculation model and the dependence syntactic tree of each sentence. According to the method disclosed by the invention, the calculation accuracy of the sentence similarity can be improved.

Description

technical field [0001] The present application relates to the technical field of natural language processing, in particular to a method, device and system for calculating sentence similarity. Background technique [0002] Calculating the similarity between sentences in a sentence pair has a very broad application prospect in the field of natural language processing, such as in the question answering system to find the answer that matches the question by calculating the similarity between the sentences in the sentence pair; in the information retrieval system In the process of calculating the similarity between sentences in a sentence pair, find sentences similar to user needs; therefore, it is of great significance to accurately calculate the similarity between sentences, and how to accurately calculate the similarity between sentences has always been a problem. Research hotspots for researchers. [0003] In related technologies, the similarity between sentences is generall...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F17/27G06K9/62
CPCG06F40/211G06F40/30G06F18/22
Inventor 胡加学孙胜杰王道广刘也宽
Owner IFLYTEK CO LTD
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