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Sentence and Expression Level Annotation of Opinions in User-Generated Discourse

Toprak, Cigdem and Jakob, Niklas and Gurevych, Iryna (2010):
Sentence and Expression Level Annotation of Opinions in User-Generated Discourse.
In: Proceedings of the 48th Annual Meeting of the Association for Computational Linguistics (ACL 2010), Association for Computational Linguistics, Uppsala, Sweden, [Online-Edition: http://www.aclweb.org/anthology/P10-1059],
[Conference or Workshop Item]

Abstract

In this paper, we introduce a corpus of consumer reviews from the rateitall and the eopinions websites annotated with opinion-related information. We present a two-level annotation scheme. In the first stage, the reviews are analyzed at the sentence level for (i) relevancy to a given topic, and (ii) expressing an evaluation about the topic. In the second stage, on-topic sentences containing evaluations about the topic are further investigated at the expression level for pinpointing the properties (semantic orientation, intensity), and the functional components of the evaluations (opinion terms, targets and holders). We discuss the annotation scheme, the inter-annotator agreement for different subtasks and our observations.

Item Type: Conference or Workshop Item
Erschienen: 2010
Creators: Toprak, Cigdem and Jakob, Niklas and Gurevych, Iryna
Title: Sentence and Expression Level Annotation of Opinions in User-Generated Discourse
Language: English
Abstract:

In this paper, we introduce a corpus of consumer reviews from the rateitall and the eopinions websites annotated with opinion-related information. We present a two-level annotation scheme. In the first stage, the reviews are analyzed at the sentence level for (i) relevancy to a given topic, and (ii) expressing an evaluation about the topic. In the second stage, on-topic sentences containing evaluations about the topic are further investigated at the expression level for pinpointing the properties (semantic orientation, intensity), and the functional components of the evaluations (opinion terms, targets and holders). We discuss the annotation scheme, the inter-annotator agreement for different subtasks and our observations.

Title of Book: Proceedings of the 48th Annual Meeting of the Association for Computational Linguistics (ACL 2010)
Publisher: Association for Computational Linguistics
Uncontrolled Keywords: Educational Natural Language Processing;UKP_a_ENLP;UKP_p_THESEUS;UKP_p_SENTAL;reviewed
Divisions: 20 Department of Computer Science
20 Department of Computer Science > Ubiquitous Knowledge Processing
Event Location: Uppsala, Sweden
Date Deposited: 31 Dec 2016 14:29
Official URL: http://www.aclweb.org/anthology/P10-1059
Identification Number: TUD-CS-2010-0112
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