Sciweavers

537 search results - page 14 / 108
» The Impact of Query Structure and Query Expansion on Retriev...
Sort
View
TREC
1994
13 years 9 months ago
Automatic Query Expansion Using SMART: TREC 3
The Smart information retrieval project emphasizes completely automatic approaches to the understanding and retrieval of large quantities of text. We continue our work in TREC 3, ...
Chris Buckley, Gerard Salton, James Allan, Amit Si...
SIGIR
1998
ACM
13 years 12 months ago
Improving Automatic Query Expansion
Most casual users of IR systems type short queries. Recent research has shown that adding new words to these queries via adhoc feedback improves the retrieval e ectiveness of such ...
Mandar Mitra, Amit Singhal, Chris Buckley
ECIR
2011
Springer
12 years 11 months ago
Combining Global and Local Semantic Contexts for Improving Biomedical Information Retrieval
In the context of biomedical information retrieval (IR), this paper explores the relationship between the document’s global context and the query’s local context in an attempt ...
Duy Dinh, Lynda Tamine
AIRS
2008
Springer
14 years 2 months ago
Combining WordNet and ConceptNet for Automatic Query Expansion: A Learning Approach
We present a novel approach that transforms the weighting task to a typical coarse-grained classification problem, aiming to assign appropriate weights for candidate expansion term...
Ming-Hung Hsu, Ming-Feng Tsai, Hsin-Hsi Chen
JCDL
2010
ACM
259views Education» more  JCDL 2010»
14 years 24 days ago
Exploiting time-based synonyms in searching document archives
Query expansion of named entities can be employed in order to increase the retrieval effectiveness. A peculiarity of named entities compared to other vocabulary terms is that they...
Nattiya Kanhabua, Kjetil Nørvåg