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Authors: Raheleh Makki ; Stephen Brooks and Evangelos E. Milios

Affiliation: Dalhousie University, Canada

Keyword(s): Context-Dependent Sentiment Lexicon, Visualization, User Interaction.

Related Ontology Subjects/Areas/Topics: Abstract Data Visualization ; Computer Vision, Visualization and Computer Graphics ; General Data Visualization ; Text and Document Visualization ; Usability Studies and Visualization ; Visualization Applications

Abstract: One of the important factors in the performance of sentiment analysis methods is having a comprehensive sentiment lexicon. However, since sentiment words have different polarities not only in different domains, but also in different contexts within the same domain, constructing such context-specific sentiment lexicons is not an easy task. The high costs of manually constructing such lexicons motivate researchers to create automatic methods for finding sentiment words and assigning their polarities. However, existing methods may encounter ambiguous cases with contradictory evidence which are hard to automatically resolve. To address this problem, we aim to engage the user in the process of polarity assignment and improve the quality of the generated lexicon via minimal user effort. A novel visualization is employed to present the results of the automatic algorithm, i.e., the extracted sentiment pairs along with their polarities. User interactions are provided to facilitate the supervi sion process. The results of our user study demonstrate (1) involving the user in the polarity assignment process improves the quality of the generated lexicon significantly, and (2) participants in the study preferred our visual interface and conveyed that it is easier to use compared to a text-based interface. (More)

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Paper citation in several formats:
Makki, R.; Brooks, S. and Milios, E. (2014). Context-Specific Sentiment Lexicon Expansion via Minimal User Interaction. In Proceedings of the 5th International Conference on Information Visualization Theory and Applications (VISIGRAPP 2014) - IVAPP; ISBN 978-989-758-005-5; ISSN 2184-4321, SciTePress, pages 178-186. DOI: 10.5220/0004745301780186

@conference{ivapp14,
author={Raheleh Makki. and Stephen Brooks. and Evangelos E. Milios.},
title={Context-Specific Sentiment Lexicon Expansion via Minimal User Interaction},
booktitle={Proceedings of the 5th International Conference on Information Visualization Theory and Applications (VISIGRAPP 2014) - IVAPP},
year={2014},
pages={178-186},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0004745301780186},
isbn={978-989-758-005-5},
issn={2184-4321},
}

TY - CONF

JO - Proceedings of the 5th International Conference on Information Visualization Theory and Applications (VISIGRAPP 2014) - IVAPP
TI - Context-Specific Sentiment Lexicon Expansion via Minimal User Interaction
SN - 978-989-758-005-5
IS - 2184-4321
AU - Makki, R.
AU - Brooks, S.
AU - Milios, E.
PY - 2014
SP - 178
EP - 186
DO - 10.5220/0004745301780186
PB - SciTePress