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Mathematical Problems in Engineering
Volume 2015 (2015), Article ID 203475, 8 pages
Research Article

Calculation of Sentence Semantic Similarity Based on Syntactic Structure

1School of Computer and Information Engineering, Anyang Normal University, Anyang, Henan 455002, China
2Institute of Digital Inscriptions on Bones/Tortoise Shells, Anyang, Henan 455002, China

Received 14 November 2014; Revised 8 December 2014; Accepted 1 January 2015

Academic Editor: Chih-Cheng Hung

Copyright © 2015 Xiao Li and Qingsheng Li. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


Combined with the problem of single direction of the solution of the existing sentence similarity algorithms, an algorithm for sentence semantic similarity based on syntactic structure was proposed. Firstly, analyze the sentence constituent, then through analysis convert sentence similarity into words similarity on the basis of syntactic structure, then convert words similarity into concept similarity through words disambiguation, and, finally, realize the semantic similarity comparison. It also gives the comparison rules in more detail for the modifier words in the sentence which also have certain contributions to the sentence. Under the same test condition, the experiments show that the proposed algorithm is more intuitive understanding of people and has higher accuracy.