Paper: Extracting Contextual Evaluativity

ACL ID W11-0145
Title Extracting Contextual Evaluativity
Venue IWCS
Session Main Conference
Year 2011
Authors

Recent work on evaluativity or sentiment in the language sciences has focused on the contri- butions that lexical items provide. In this paper, we discuss contextual evaluativity, stance that is inferred from lexical meaning and pragmatic environments. Focusing on assessor-grounding claims like We liked him because he so clearly disliked Margaret Thatcher, webuildacorpusandconstructa system employing compositional principles of evaluativity calculation to derive that we dislikes Mar- garet Thatcher. The resulting system has an F-score of 0.90 on our dataset, outperforming reasonable baselines, and indicating the viability of inferencing in the evaluative domain. 1 Contextual Evaluativity A central aim of contemporary research on sentiment or evaluative language is the extraction of eval- u...