Sentiment Analysis of Czech Texts: An Algorithmic Survey

Erion Çano; Ondřej Bojar

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Paper

Sentiment Analysis of Czech Texts: An Algorithmic Survey

In Proceedings of the 11th International Conference on Agents and Artificial Intelligence - Volume 2: NLPinAI, 973-979, 2019 , Prague, Czech Republic

Authors: Erion Çano and Ondřej Bojar

Affiliation: Institute of Formal and Applied Linguistics, Charles University, Prague and Czech Republic

Keyword(s): Sentiment Analysis, Czech Text Datasets, Supervised Learning, Algorithmic Survey.

Abstract: In the area of online communication, commerce and transactions, analyzing sentiment polarity of texts written in various natural languages has become crucial. While there have been a lot of contributions in resources and studies for the English language, “smaller” languages like Czech have not received much attention. In this survey, we explore the effectiveness of many existing machine learning algorithms for sentiment analysis of Czech Facebook posts and product reviews. We report the sets of optimal parameter values for each algorithm and the scores in both datasets. We finally observe that support vector machines are the best classifier and efforts to increase performance even more with bagging, boosting or voting ensemble schemes fail to do so.

CC BY-NC-ND 4.0

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Paper citation in several formats:

Çano, E. and Bojar, O. (2019). Sentiment Analysis of Czech Texts: An Algorithmic Survey. In Proceedings of the 11th International Conference on Agents and Artificial Intelligence - Volume 2: NLPinAI; ISBN 978-989-758-350-6; ISSN 2184-433X, SciTePress, pages 973-979. DOI: 10.5220/0007695709730979

@conference{nlpinai19,
author={Erion \c{C}ano. and Ond\v{r}ej Bojar.},
title={Sentiment Analysis of Czech Texts: An Algorithmic Survey},
booktitle={Proceedings of the 11th International Conference on Agents and Artificial Intelligence - Volume 2: NLPinAI},
year={2019},
pages={973-979},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0007695709730979},
isbn={978-989-758-350-6},
issn={2184-433X},
}

TY - CONF

JO - Proceedings of the 11th International Conference on Agents and Artificial Intelligence - Volume 2: NLPinAI
TI - Sentiment Analysis of Czech Texts: An Algorithmic Survey
SN - 978-989-758-350-6
IS - 2184-433X
AU - Çano, E.
AU - Bojar, O.
PY - 2019
SP - 973
EP - 979
DO - 10.5220/0007695709730979
PB - SciTePress