515 search results - page 30 / 103 » Query Decomposition, Optimization and Processing in Multidat... |
VLDB
1994
ACM
15 years 1 months ago
1994
ACM
In existing relational database systems, processing of group-by and computation of aggregate functions are always postponed until all joins are performed. In this paper, we presen...
DASFAA
2007
IEEE
15 years 4 months ago
2007
IEEE
Abstract. To provide complex query processing in peer-to-peer systems has attracted much attention in both academic and industrial community. We present GChord, a scalable techniqu...
EDBT
2010
ACM
14 years 11 months ago
2010
ACM
Many enterprises nowadays use business processes, based on the BPEL standard, to achieve their goals. Analyzing the execution of such processes is critical for enforcing business ...
69
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RTCSA
2008
IEEE
15 years 4 months ago
2008
IEEE
This paper addresses the problem of using the Location IDentifier (LID) as the domain value of the index for trajectories of RFID tags and proposes the solution for solving this p...
260
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ICDE
2008
IEEE
16 years 9 months ago
2008
IEEE
Recently, there has been much interest in processing skyline queries for various applications that include decision making, personalized services, and search pruning. Skyline queri...