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Authors: Mihaela Dinsoreanu and Andrei Bacu

Affiliation: Technical University of Cluj-Napoca, Romania

Keyword(s): Sentiment Classification, Unsupervised Learning, NLP, Word Sense Disambiguation.

Related Ontology Subjects/Areas/Topics: Artificial Intelligence ; Communication, Collaboration and Information Sharing ; KM Strategies and Implementations ; Knowledge Management and Information Sharing ; Knowledge-Based Systems ; Social Networks and the Psychological Dimension ; Symbolic Systems

Abstract: Sentiment classification is not a new topic but data sources having different characteristics require customized methods to exploit the hidden existing semantic while minimizing the noise and irrelevant information. Twitter represents a huge pool of data having specific features. We propose therefore an unsupervised, domain-independent approach, for sentiment classification on Twitter. The proposed approach integrates NLP techniques, Word Sense Disambiguation and unsupervised rule-based classification. The method is able to differentiate between positive, negative, and objective (neutral) polarities for every word, given the context in which it occurs. Finally, the overall tweet polarity decision is taken by our proposed rule-based classifier. We performed a comparative evaluation of our method on four public datasets specialized for this task and the experimental results obtained are very good compared to other state-of-the-art methods, considering that our classifier does not use a ny training corpus. (More)

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Paper citation in several formats:
Dinsoreanu, M. and Bacu, A. (2014). Unsupervised Twitter Sentiment Classification. In Proceedings of the International Conference on Knowledge Management and Information Sharing (IC3K 2014) - KMIS; ISBN 978-989-758-050-5; ISSN 2184-3228, SciTePress, pages 220-227. DOI: 10.5220/0005079002200227

@conference{kmis14,
author={Mihaela Dinsoreanu. and Andrei Bacu.},
title={Unsupervised Twitter Sentiment Classification},
booktitle={Proceedings of the International Conference on Knowledge Management and Information Sharing (IC3K 2014) - KMIS},
year={2014},
pages={220-227},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0005079002200227},
isbn={978-989-758-050-5},
issn={2184-3228},
}

TY - CONF

JO - Proceedings of the International Conference on Knowledge Management and Information Sharing (IC3K 2014) - KMIS
TI - Unsupervised Twitter Sentiment Classification
SN - 978-989-758-050-5
IS - 2184-3228
AU - Dinsoreanu, M.
AU - Bacu, A.
PY - 2014
SP - 220
EP - 227
DO - 10.5220/0005079002200227
PB - SciTePress