757 search results - page 66 / 152 » Topical query decomposition |
138
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MATES
2005
Springer
15 years 9 months ago
2005
Springer
Knowledge sharing in a virtual organization requires a knowledge life cycle including knowledge provisioning, terminology alignment, determination of resource location, query routi...
214
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ICDE
2012
IEEE
13 years 6 months ago
2012
IEEE
Abstract—After decades of effort working on database performance, the quality and the usability of database systems have received more attention in recent years. In particular, t...
213
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ICDT
2009
ACM
16 years 4 months ago
2009
ACM
Graph-theoretic aggregation problems have been considered both in OLAP (grid graph) and XML (tree). This paper gives new results for MIN aggregation in a tree, where we want the M...
133
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ICMCS
2006
IEEE
15 years 10 months ago
2006
IEEE
Text-based search using video speech transcripts is a popular approach for granular video retrieval at the shot or story level. However, misalignment of speech and visual tracks, ...
140
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CIKM
2007
Springer
15 years 8 months ago
2007
Springer
How to improve search accuracy for difficult topics is an underaddressed, yet important research question. In this paper, we consider a scenario when the search results are so poo...