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» Opinion observer: analyzing and comparing opinions on the We...
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WWW
2005
ACM
14 years 5 months ago
Opinion observer: analyzing and comparing opinions on the Web
The Web has become an excellent source for gathering consumer opinions. There are now numerous Web sites containing such opinions, e.g., customer reviews of products, forums, disc...
Bing Liu, Minqing Hu, Junsheng Cheng
SIGIR
2010
ACM
13 years 2 months ago
On performance of topical opinion retrieval
We investigate the effectiveness of both the standard evaluation measures and the opinion component for topical opinion retrieval. We analyze how relevance is affected by opinio...
Giambattista Amati, Giuseppe Amodeo, Valerio Capoz...
EMNLP
2007
13 years 6 months ago
Extracting Aspect-Evaluation and Aspect-Of Relations in Opinion Mining
The technology of opinion extraction allows users to retrieve and analyze people’s opinions scattered over Web documents. We define an opinion unit as a quadruple consisting of...
Nozomi Kobayashi, Kentaro Inui, Yuji Matsumoto
ECIR
2009
Springer
14 years 1 months ago
Investigating Learning Approaches for Blog Post Opinion Retrieval
Blog post opinion retrieval is the problem of identifying posts which express an opinion about a particular topic. Usually the problem is solved using a 3 step process in which rel...
Shima Gerani, Mark James Carman, Fabio Crestani
IALP
2010
12 years 11 months ago
Multiple Factors-Based Opinion Retrieval and Coarse-to-Fine Sentiment Classification
With more and more reviews on the web, browsing through a mass of the related reviews becomes a heavy work. How to effectively analyzing and organizing these reviews attracts more...
Shu Zhang, Wen-Jie Jia, Yingju Xia, Yao Meng, Hao ...