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Sentence Similarity Computing Theory and Application

Author: XueHuiFang
Tutor: WuJiang
School: Northwestern University
Course: Computer Software and Theory
Keywords: Text Sentence Similarity Computing FAQ automatic answering system
CLC: TP391.1
Type: Master's thesis
Year: 2011
Downloads: 227
Quote: 2
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Abstract


In the field of natural language processing , Chinese sentence similarity computing is a basic and important work , which directly determines the development of research in related fields . For example in the FAQ question answering systems, information retrieval, repeat , example-based machine translation and other fields, sentence similarity computing is a very critical issue , it has long been a hot research and difficult. In order to study Chinese Sentence Similarity Computing , this paper respectively righteousness of the original Chinese , words , sentences, three levels of similarity were studied. And for the current sentence similarity calculation method , this paper proposes an improved calculation method , and finally to FAQ automatic answering system , for example, gives examples of sentence similarity computing applications . This complete the main tasks include: 1 ) the original meaning of word similarity similarity computation and computing research . As sememe word similarity computation similarity calculation is the foundation of the word similarity computation sentence similarity is calculated on the basis , therefore, this paper based on the \studied in detail . 2 ) an improved sentence similarity calculation method . Under the premise of the above work , the paper carried a sentence similarity computing research, and improving its proposed comprehensive variety of features to calculate sentence similarity approach. Namely, integrated word form sentence similarity , semantic similarity , syntactic structure features three aspects of similarity to calculate sentence similarity . And, for the word form similarity and semantic similarity calculation method has been improved , and strive to the end of the sentence similarity computation results are more accurate. 3 ) Answers to FAQ automatic system as an example the application of sentence similarity . To illustrate the practical application of sentence similarity computing situation , this article FAQ automatic answering system, and method for sentence similarity computing in which applications are introduced.

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CLC: > Industrial Technology > Automation technology,computer technology > Computing technology,computer technology > Computer applications > Information processing (information processing) > Text Processing
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