Exploitation of Query Sentences Using Specific Weighting in Support-sentence Retrieval

Hai-Minh Nguyen, Kiyoaki Shirai
2013 Procedia Computer Science  
Our goal is to develop a support-sentence retrieval system that retrieves sentences relevant to a given theme and then, classifies them into relevant types, such as agreement, contradiction, refinement, and supplement. This paper focuses on the first step, a sentence retrieval module. Lexical and typed dependency matching are used to compute the similarity between two sentences. A new query term weighting scheme based on the specificity of the terms is proposed and combined with ordinary IDF
more » ... ghting for a better performance. Experimental results indicate that our method achieves 34% higher precision than the traditional TF-ISF method..
doi:10.1016/j.procs.2013.09.089 fatcat:3lzvnodhdfgupoz5smqd4rimxy