6974 search results - page 1129 / 1395 » Querying Semi-Structured Data |
136
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CACM
2000
15 years 22 days ago
2000
The Informedia Digital Video Library system extracts information from digitized video sources and allows full content search and retrieval over all extracted data. This extracted ...
132
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PVLDB
2010
14 years 11 months ago
2010
Supporting legacy applications when the database schema evolves represents a long-standing challenge of practical and theoretical importance. Recent work has produced algorithms a...
115
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SSDBM
2010
IEEE
14 years 10 months ago
2010
IEEE
Graphs are prevailingly used in many applications to model complex data structures. In this paper, we study the problem of supergraph containment search. To avoid the NP-complete s...
114
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ICWSM
2009
14 years 10 months ago
2009
User generated content is extremely valuable for mining market intelligence because it is unsolicited. We study the problem of analyzing users' sentiment and opinion in their...
119
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CIKM
2011
Springer
14 years 26 days ago
2011
Springer
In this paper, we reveal a common deficiency of the current retrieval models: the component of term frequency (TF) normalization by document length is not lower-bounded properly;...