469 search results - page 77 / 94 » Cluster-based query expansion |
SIGIR
2006
ACM
15 years 4 months ago
2006
ACM
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...
SIGIR
2004
ACM
15 years 3 months ago
2004
ACM
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...
CLEF
2006
Springer
15 years 1 months ago
2006
Springer
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...
ECIR
2009
Springer
15 years 7 months ago
2009
Springer
We explore the utility of different types of topic models for retrieval purposes. Based on prior work, we describe several ways that topic models can be integrated into the retrie...
CLEF
2007
Springer
15 years 4 months ago
2007
Springer
The domain-specific track uses test collections from the social science domain to test monolingual and cross-language retrieval in structured bibliographic databases. Special atte...