Automatic Construction of an Opinion-Term Vocabulary for Ad Hoc Retrieval
Lecture notes in computer sciencePublished 26 March 2008
Giambattista Amati, Edgardo Ambrosi, Marco Bianchi, Carlo Gaibisso, Giorgio Gambosi
Citations13
SJR quartileQ2
SJR score0.35
SNIP0.55
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TL;DR
A method to automatically generate a term-opinion lexicon is presented and the quality and effectiveness of the lexicon are evaluated using the opinion task evaluation data of the TREC 2007 blog track.
Abstract
We present a method to automatically generate a term-opinion lexicon. We also weight these lexicon terms and use them at real time to boost the ranking with opinionated-content documents. We define very simple models both for opinion-term extraction and document ranking. Both the lexicon model and retrieval model are assessed. To evaluate the quality of the lexicon we compare performance with a well-established manually generated opinion-term dictionary. We evaluate the effectiveness of the term-opinion lexicon using the opinion task evaluation data of the TREC 2007 blog track.
Keywords
Computer Science
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