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ICWSM
2009
13 years 6 months ago
Delta TFIDF: An Improved Feature Space for Sentiment Analysis
Mining opinions and sentiment from social networking sites is a popular application for social media systems. Common approaches use a machine learning system with a bag of words f...
Justin Martineau, Tim Finin
LREC
2008
89views Education» more  LREC 2008»
13 years 10 months ago
Sentiment Analysis and the Use of Extrinsic Datasets in Evaluation
The field of automated sentiment analysis has emerged in recent years as an exciting challenge to the computational linguistics community. Research in the field investigates how e...
Ann Devitt, Khurshid Ahmad
ACL
2011
13 years 11 days ago
Semi-supervised latent variable models for sentence-level sentiment analysis
We derive two variants of a semi-supervised model for fine-grained sentiment analysis. Both models leverage abundant natural supervision in the form of review ratings, as well as...
Oscar Täckström, Ryan T. McDonald
LREC
2010
594views Education» more  LREC 2010»
13 years 10 months ago
SentiWordNet 3.0: An Enhanced Lexical Resource for Sentiment Analysis and Opinion Mining
In this work we present SENTIWORDNET 3.0, a lexical resource explicitly devised for supporting sentiment classification and opinion
Stefano Baccianella, Andrea Esuli, Fabrizio Sebast...
CICLING
2011
Springer
13 years 9 days 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...