486 search results - page 23 / 98 » Evaluating Top-k Queries over Web-Accessible Databases |
SIGMOD
1996
ACM
15 years 5 months ago
1996
ACM
Repositories of multimedia objects having multiple types of attributes e.g., image, text are becoming increasingly common. A selection on these attributes will typically produce n...
116
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EDBT
2006
ACM
16 years 1 months ago
2006
ACM
Abstract. Data stream systems execute a dynamic workload of longrunning and one-time queries, with the streaming inputs typically bounded by sliding windows. For efficiency, window...
131
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ICDT
2012
ACM
13 years 3 months ago
2012
ACM
We introduce a representation system for relational data based on algebraic factorisation using distributivity of product over union and commutativity of product and union. We giv...
217
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SIGMOD
2006
ACM
16 years 1 months ago
2006
ACM
In this paper, we present the design, implementation, and evaluation of a system that executes complex event queries over real-time streams of RFID readings encoded as events. The...
190
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ICDE
2008
IEEE
16 years 2 months ago
2008
IEEE
Applications that monitor functions over rapidly and unpredictably changing data, express their needs as continuous queries. Our focus is on a rich class of queries, expressed as p...