2853 search results - page 473 / 571 » On the Efficiency of Provenance Queries |
176
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SIGMOD
2008
ACM
16 years 1 days ago
2008
ACM
The problem of skyline computation has attracted considerable research attention. In the categorical domain the problem becomes more complicated, primarily due to the partially-or...
118
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PODS
2003
ACM
16 years 23 hour ago
2003
ACM
Full disjunctions are an associative extension of the outerjoin operator to an arbitrary number of relations. Their main advantage is the ability to maximally combine data from di...
EDBT
2008
ACM
16 years 20 hour ago
2008
ACM
Sensor networks have been widely used to collect data about the environment. When analyzing data from these systems, people tend to ask exploratory questions--they want to find su...
107
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ICDE
2010
IEEE
15 years 11 months ago
2010
IEEE
An ever-increasing amount of data and semantic knowledge in the domain of life sciences is bringing about new data management challenges. In this paper we focus on adding the seman...
105
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Publication
Keyframe extraction constitutes a fundamental unit in many video retrieval-related applications. In the emerging research field of content-based video copy detection, efficient rep...