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» Conceptual Query Expansion
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OTM
2010
Springer
13 years 8 months ago
A Context-Based Model for the Interpretation of Polysemous Terms
The problem of polysemy involves having terms, such as “truck”, that refer to multiple concepts in different contexts; and conversely, having the same concept referred to with...
Chrisa Tsinaraki, Yannis Velegrakis, Nadzeya Kiyav...
IR
2007
13 years 10 months ago
Restricted inflectional form generation in management of morphological keyword variation
Word form normalization through lemmatization or stemming is a standard procedure in information retrieval because morphological variation needs to be accounted for and several la...
Kimmo Kettunen, Eija Airio, Kalervo Järvelin
SIGIR
2006
ACM
14 years 4 months ago
Semantic term matching in axiomatic approaches to information retrieval
A common limitation of many retrieval models, including the recently proposed axiomatic approaches, is that retrieval scores are solely based on exact (i.e., syntactic) matching o...
Hui Fang, ChengXiang Zhai
SIGIR
2004
ACM
14 years 3 months ago
Block-based web search
Multiple-topic and varying-length of web pages are two negative factors significantly affecting the performance of web search. In this paper, we explore the use of page segmentati...
Deng Cai, Shipeng Yu, Ji-Rong Wen, Wei-Ying Ma
CLEF
2006
Springer
14 years 1 months ago
Domain Specific Retrieval: Back to Basics
In this paper we will describe Berkeley's approach to the Domain Specific (DS) track for CLEF 2006. This year we are not using the tools for thesaurus-based query expansion a...
Ray R. Larson