146 search results - page 15 / 30 » Opinion Mining and Sentiment Analysis |
CIKM
2009
Springer
14 years 2 months ago
2009
Springer
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...
ACL
2011
12 years 11 months ago
2011
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...
EMNLP
2006
13 years 9 months ago
2006
Lexical features are key to many approaches to sentiment analysis and opinion detection. A variety of representations have been used, including single words, multi-word Ngrams, ph...
CIKM
2010
Springer
13 years 6 months ago
2010
Springer
The Web has plenty of reviews, comments and reports about products, services, government policies, institutions, etc. The opinions expressed in these reviews influence how people...
KDD
2004
ACM
14 years 8 months ago
2004
ACM
Extracting sentiments from unstructured text has emerged as an important problem in many disciplines. An accurate method would enable us, for example, to mine online opinions from ...