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» Opinion Mining and Sentiment Analysis
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EMNLP
2009
13 years 5 months ago
Sentiment Analysis of Conditional Sentences
This paper studies sentiment analysis of conditional sentences. The aim is to determine whether opinions expressed on different topics in a conditional sentence are positive, nega...
Ramanathan Narayanan, Bing Liu, Alok N. Choudhary
CIKM
2009
Springer
13 years 11 months ago
Multidimensional political spectrum identification and analysis
In this work, we show the importance of multidimensional opinion representation in the political context combining domain knowledge and results from principal component analysis. ...
Leilei Zhu, Prasenjit Mitra
DRR
2004
13 years 10 months ago
Retrieving topical sentiments from online document collections
Retrieving documents by subject matter is the general goal of information retrieval and other content access systems. There are other aspects of textual content, however, which fo...
Matthew F. Hurst, Kamal Nigam
ACL
2010
13 years 5 months ago
Generating Focused Topic-Specific Sentiment Lexicons
We present a method for automatically generating focused and accurate topicspecific subjectivity lexicons from a general purpose polarity lexicon that allow users to pin-point sub...
Valentin Jijkoun, Maarten de Rijke, Wouter Weerkam...
IIR
2010
13 years 9 months ago
A Study on Evaluation on Opinion Retrieval Systems
We study the evaluation of opinion retrieval systems. Opinion retrieval is a relatively new research area, nevertheless classical evaluation measures, those adopted for ad hoc ret...
Giambattista Amati, Giuseppe Amodeo, Valerio Capoz...