Realtime Access Map
Browsing by Author "Saygın, Yücel"
Now showing items 1-6 of 6
-
Adaptation and use of subjectivity lexicons for domain dependent sentiment classification
Dehkharghani, Rahim; Yanıkoğlu, Berrin; Tapucu, Dilek; Saygın, Yücel (IEEE, 2012)Sentiment analysis refers to the automatic extraction of sentiments from a natural language text. We study the effect of subjectivity-based features on sentiment classification on two lexicons and also propose new ... -
An aspect-lexicon creation and evaluation tool for sentiment analysis researchers
Husaini, Mus'ab; Koçyiğit, Ahmet; Tapucu, Dilek; Yanıkoğlu, Berrin; Saygın, Yücel (Springer, 2012)In this demo paper, we present SARE, a modular and extendable semi-automatic system that 1) assists researchers in building gold-standard lexicons and evaluating their lexicon extraction algorithms; and 2) provides a general ... -
Learning domain-specific polarity lexicons
Demiröz, Gülşen; Yanıkoğlu, Berrin; Tapucu, Dilek; Saygın, Yücel (IEEE, 2012)Sentiment analysis aims to automatically estimate the sentiment in a given text as positive or negative. Polarity lexicons, often used in sentiment analysis, indicate how positive or negative each term in the lexicon is. ... -
New features for sentiment analysis: Do sentences matter?
Gezici, Gizem; Yanıkoğlu, Berrin; Tapucu, Dilek; Saygın, Yücel (CEUR Workshop Proceedings, 2012)In this work, we propose and evaluate new features to be used in a word polarity based approach to sentiment classification. In particular, we analyze sentences as the first step before estimating the overall review polarity. ... -
Ontology supported policy modeling in opinion mining process
Husaini, Mus'ab; Ko, Andrea; Tapucu, Dilek; Saygın, Yücel (Springer, 2012)In e-Society the spreading services offered by Social Web has changed the way of communication and cooperation among citizens, policy-makers, governance bodies and civil society actors. One of the main goals of policymakers ... -
Sentiment analysis using domain-adaptation and sentence-based analysis
Gezici, Gizem; Yanıkoğlu, Berrin; Tapucu, Dilek; Saygın, Yücel (Springer, 2015)Sentiment analysis aims to automatically estimate the sentiment in a given text as positive, objective or negative, possibly together with the strength of the sentiment. Polarity lexicons that indicate how positive or ...
