HIT: web based scoring method for English lexical substitution

Authors:
Shiqi Zhao;Lin Zhao;Yu Zhang;Ting Liu;Sheng Li
Affiliations:
Harbin Institute of Technology, Harbin, P.R. China;Harbin Institute of Technology, Harbin, P.R. China;Harbin Institute of Technology, Harbin, P.R. China;Harbin Institute of Technology, Harbin, P.R. China;Harbin Institute of Technology, Harbin, P.R. China
Venue:
SemEval '07 Proceedings of the 4th International Workshop on Semantic Evaluations
Year:
2007

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Abstract

This paper describes the HIT system and its participation in SemEval-2007 English Lexical Substitution Task. Two main steps are included in our method: candidate substitute extraction and candidate scoring. In the first step, candidate substitutes for each target word in a given sentence are extracted from WordNet. In the second step, the extracted candidates are scored and ranked using a web-based scoring method. The substitute ranked first is selected as the best substitute. For the multiword subtask, a simple WordNet-based approach is employed.