494 search results - page 20 / 99 » Improving Automatic Query Expansion |
CIKM
2010
Springer
13 years 6 months ago
2010
Springer
Pseudo-relevance feedback (PRF) improves search quality by expanding the query using terms from high-ranking documents from an initial retrieval. Although PRF can often result in ...
MTA
2010
13 years 6 months ago
2010
It is common practice in audiovisual archives to disclose documents using metadata from a structured vocabulary or thesaurus. Many of these thesauri have limited or no structure. T...
CLEF
2006
Springer
13 years 11 months ago
2006
Springer
The participation of the University of Hildesheim focused on the monolingual German and English and the bilingual German English tasks of GeoCLEF 2006. Based on the results of Geo...
CLEF
2005
Springer
14 years 1 months ago
2005
Springer
This paper reports results for the University of Maryland’s participation in CLEF-2005 Cross-Language Speech Retrieval track. Techniques that were tried include: (1) document ex...
CIKM
2005
Springer
14 years 1 months ago
2005
Springer
Language Modeling (LM) has been successfully applied to Information Retrieval (IR). However, most of the existing LM approaches only rely on term occurrences in documents, queries...