339 search results - page 46 / 68 » Improved Query Performance with Variant Indexes |
CIVR
2004
Springer
15 years 3 months ago
2004
Springer
In content-based image retrieval (CBIR), the images in a database are indexed on the basis of low-level statistical features that can be automatically derived from the images. Due ...
101
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CIKM
2004
Springer
15 years 3 months ago
2004
Springer
Document-centric XML collections contain text-rich documents, marked up with XML tags that add lightweight semantics to the text. Querying such collections calls for a hybrid quer...
IPM
2007
14 years 10 months ago
2007
Information retrieval systems consist of many complicated components. Research and development of such systems is often hampered by the difficulty in evaluating how each particula...
159
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SIGMOD
2009
ACM
15 years 10 months ago
2009
ACM
Existing keyword-search systems in relational databases require users to submit a complete query to compute answers. Often users feel "left in the dark" when they have l...
CLEF
2007
Springer
15 years 4 months ago
2007
Springer
In this paper we describe retrieval experiments performed at Charles University in Prague for participation in the CLEF 2007 Ad-Hoc track. We focused on the Czech monolingual task...