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106
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PODS
2006
ACM
16 years 23 days ago
2006
ACM
Query containment is a fundamental algorithmic problem in database query processing and optimization. Under set semantics, the query-containment problem for conjunctive queries ha...
122
Voted
MMM
2010
Springer
15 years 9 months ago
2010
Springer
In this paper, we introduce and evaluate two novel approaches, one using video stream and the other using close-caption text stream, for segmenting TV news into stories. The segmen...
93
Voted
NLDB
2007
Springer
15 years 6 months ago
2007
Springer
This paper presents a novel application of a semantic annotation system, named Cerno, to analyze research publications in electronic format. Specifically, we address the problem of...
241
Voted
ICDE
2009
IEEE
16 years 2 months ago
2009
IEEE
Due to the complexity of XML query languages, the need for visual query interfaces that can reduce the burden of query formulation is fundamental to the spreading of XML to wider c...
169
Voted
SIGMOD
2007
ACM
16 years 23 days ago
2007
ACM
Optimizing SQL subqueries has been an active area in database research and the database industry throughout the last decades. Previous work has already identified some approaches ...