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» Sentiment Analysis of Conditional Sentences
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CICLING
2011
Springer
12 years 11 months ago
Temporal Analysis of Sentiment Events - A Visual Realization and Tracking
In recent years, extraction of temporal relations for events that express sentiments has drawn great attention of the Natural Language Processing (NLP) research communities. In thi...
Dipankar Das, Anup Kumar Kolya, Asif Ekbal, Sivaji...
CIKM
2009
Springer
14 years 2 months ago
The effect of negation on sentiment analysis and retrieval effectiveness
We investigate the problem of determining the polarity of sentiments when one or more occurrences of a negation term such as “not” appear in a sentence. The concept of the sco...
Lifeng Jia, Clement T. Yu, Weiyi Meng
LREC
2010
202views Education» more  LREC 2010»
13 years 9 months ago
United we Stand: Improving Sentiment Analysis by Joining Machine Learning and Rule Based Methods
In the past, we have succesfully used machine learning approaches for sentiment analysis. In the course of those experiments, we observed that our machine learning method, althoug...
Vassiliki Rentoumi, Stefanos Petrakis, Manfred Kle...
LREC
2010
227views Education» more  LREC 2010»
13 years 9 months ago
Discovering Polarity for Ambiguous and Objective Adjectives through Adverbial Modification
The field of opinion mining has emerged in recent years as an exciting challenge for computational linguistics: investigating how humans express subjective judgments through lingu...
Irene Russo
LREC
2010
126views Education» more  LREC 2010»
13 years 9 months ago
Predictive Features for Detecting Indefinite Polar Sentences
In recent years, text classification in sentiment analysis has mostly focused on two types of classification, the distinction between objective and subjective text, i.e. subjectiv...
Michael Wiegand, Dietrich Klakow