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» Query Expansion and Query Reduction in Document Retrieval
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CIKM
2008
Springer
13 years 12 months ago
Improve the effectiveness of the opinion retrieval and opinion polarity classification
Opinion retrieval is a document retrieving and ranking process. A relevant document must be relevant to the query and contain opinions toward the query. Opinion polarity classific...
Wei Zhang, Lifeng Jia, Clement T. Yu, Weiyi Meng
TREC
2000
13 years 11 months ago
TREC-9 Cross Language, Web and Question-Answering Track Experiments using PIRCS
In TREC-9, we participated in the English-Chinese Cross Language, 10GB Web data ad-hoc retrieval as well as the Question-Answering tracks, all using automatic procedures. All thes...
Kui-Lam Kwok, Laszlo Grunfeld, Norbert Dinstl, M. ...
WWW
2006
ACM
14 years 10 months ago
Generating query substitutions
We introduce the notion of query substitution, that is, generating a new query to replace a user's original search query. Our technique uses modifications based on typical su...
Rosie Jones, Benjamin Rey, Omid Madani, Wiley Grei...
SIGIR
2004
ACM
14 years 3 months ago
An effective approach to document retrieval via utilizing WordNet and recognizing phrases
Noun phrases in queries are identified and classified into four types: proper names, dictionary phrases, simple phrases and complex phrases. A document has a phrase if all content...
Shuang Liu, Fang Liu, Clement T. Yu, Weiyi Meng
CIKM
2009
Springer
14 years 4 months ago
Improving web page classification by label-propagation over click graphs
In this paper, we present a semi-supervised learning method for web page classification, leveraging click logs to augment training data by propagating class labels to unlabeled si...
Soo-Min Kim, Patrick Pantel, Lei Duan, Scott Gaffn...