Unsupervised Methods to Improve Aspect-Based Sentiment Analysis in Czech
The result's identifiers
Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F49777513%3A23520%2F16%3A43929372" target="_blank" >RIV/49777513:23520/16:43929372 - isvavai.cz</a>
Result on the web
<a href="http://dx.doi.org/10.13053/CyS-20-3-2469" target="_blank" >http://dx.doi.org/10.13053/CyS-20-3-2469</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.13053/CyS-20-3-2469" target="_blank" >10.13053/CyS-20-3-2469</a>
Alternative languages
Result language
angličtina
Original language name
Unsupervised Methods to Improve Aspect-Based Sentiment Analysis in Czech
Original language description
We examine the effectiveness of several unsupervised methods for latent semantics discovery as features for aspect-based sentiment analysis (ABSA). We use the shared task definition from SemEval 2014. In our experiments we use labeled and unlabeled corpora within the restaurants domain for two languages: Czech and English. We show that our models improve the ABSA performance and prove that our approach is worth exploring. Moreover, we achieve new state-of-the-art results for Czech. Another important contribution of our work is that we created two new Czech corpora within the restaurant domain for the ABSA task: one labeled for supervised training, and the other (considerably larger) unlabeled for unsupervised training. The corpora are available to the research community
Czech name
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Czech description
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Classification
Type
J<sub>x</sub> - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)
CEP classification
JD - Use of computers, robotics and its application
OECD FORD branch
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Result continuities
Project
<a href="/en/project/LO1506" target="_blank" >LO1506: Sustainability support of the centre NTIS - New Technologies for the Information Society</a><br>
Continuities
P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)<br>S - Specificky vyzkum na vysokych skolach
Others
Publication year
2016
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů
Data specific for result type
Name of the periodical
Computación y Sistemas
ISSN
1405-5546
e-ISSN
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Volume of the periodical
20
Issue of the periodical within the volume
3
Country of publishing house
MX - MEXICO
Number of pages
11
Pages from-to
365-375
UT code for WoS article
000390866300006
EID of the result in the Scopus database
2-s2.0-84989913411