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EMNLP
2010
13 years 5 months ago
Multi-Level Structured Models for Document-Level Sentiment Classification
In this paper, we investigate structured models for document-level sentiment classification. When predicting the sentiment of a subjective document (e.g., as positive or negative)...
Ainur Yessenalina, Yisong Yue, Claire Cardie
EMNLP
2009
13 years 5 months ago
Generating High-Coverage Semantic Orientation Lexicons From Overtly Marked Words and a Thesaurus
Sentiment analysis often relies on a semantic orientation lexicon of positive and negative words. A number of approaches have been proposed for creating such lexicons, but they te...
Saif Mohammad, Cody Dunne, Bonnie J. Dorr
EMNLP
2011
12 years 7 months ago
Named Entity Recognition in Tweets: An Experimental Study
People tweet more than 100 Million times daily, yielding a noisy, informal, but sometimes informative corpus of 140-character messages that mirrors the zeitgeist in an unprecedent...
Alan Ritter, Sam Clark, Mausam, Oren Etzioni
EMNLP
2011
12 years 7 months ago
Entire Relaxation Path for Maximum Entropy Problems
We discuss and analyze the problem of finding a distribution that minimizes the relative entropy to a prior distribution while satisfying max-norm constraints with respect to an ...
Moshe Dubiner, Yoram Singer
SIGIR
2012
ACM
11 years 9 months ago
Building reputation and trust using federated search and opinion mining
The term online reputation addresses trust relationships amongst agents in dynamic open systems. These can appear as ratings, recommendations, referrals and feedback. Several repu...
Somayeh Khatiban