Yejin Choi

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Yejin Choi is an author.


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Title Keyword(s) Published in Language DateThis property is a special property in this wiki. Abstract R C
Language of vandalism: Improving Wikipedia vandalism detection via stylometric analysis ACL-HLT 2011 - Proceedings of the 49th Annual Meeting of the Association for Computational Linguistics: Human Language Technologies English 2011 Community-based knowledge forums, such as Wikipedia, are susceptible to vandalism, i.e., ill-intentioned contributions that are detrimental to the quality of collective intelligence. Most previous work to date relies on shallow lexico-syntactic patterns and metadata to automatically detect vandalism in Wikipedia. In this paper, we explore more linguistically motivated approaches to vandalism detection. In particular, we hypothesize that textual vandalism constitutes a unique genre where a group of people share a similar linguistic behavior. Experimental results suggest that (1) statistical models give evidence to unique language styles in vandalism, and that (2) deep syntactic patterns based on probabilistic context free grammars (PCFG) discriminate vandalism more effectively than shallow lexicosyntactic patterns based on n-grams. 0 0
Language of vandalism: improving Wikipedia vandalism detection via stylometric analysis HLT English 2011 0 0