SICS at NTCIR-7 MOAT: constructions represented in parallel with lexical items

Karlgren, Jussi and Eriksson, Gunnar and Täckström, Oscar (2008) SICS at NTCIR-7 MOAT: constructions represented in parallel with lexical items. In: The 7th NTCIR Workshop (2007/2008) - Evaluation of Information Access Technologies: Information Retrieval, Question Answering and Cross-Lingual Information Access, 16-19 December 2008, Tokyo, Japan.

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This paper describes experiments to find attitudinal expressions in written English text. The experiments are based on an analysis of text with respect to not only the vocabulary of content terms present in it (which most other approaches use as a basis for analysis) but also on structural features of the text as represented by presence of function words (in other approaches often removed by stop lists) and by presence of constructional features (typically disregarded by most other analyses). In our analysis, following a constructional grammatical framework, structural features are treated similarly to vocabulary features. Our result gives us reason to conclude - provisionally, until more empirical verification experiments can be performed - that: * Linguistic structural information does help in establishing whether a sentence is opinionated or not; whereas * Linguistic information of this specific type does not help in distinguishing sentences of differing polarity.

Item Type:Conference or Workshop Item (Paper)
Uncontrolled Keywords:NTCIR, constructional features, linguistic opinion analysis
ID Code:3512
Deposited By:Oscar Tackström
Deposited On:30 Dec 2008
Last Modified:18 Nov 2009 16:22

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