6004 search results - page 234 / 1201 » Parallelizing query optimization |
IPPS
2002
IEEE
14 years 3 months ago
2002
IEEE
In this paper, we present an in-depth analysis of the memory system performance of the DSS commercial workloads on two state-of-the-art multiprocessors: the SGI Origin 2000 and th...
ICDE
2012
IEEE
12 years 1 months ago
2012
IEEE
— Accurate query performance prediction (QPP) is central to effective resource management, query optimization and query scheduling. Analytical cost models, used in current genera...
VLDB
1991
ACM
14 years 2 months ago
1991
ACM
We explore the implications of supporting bags (i.e. multisets) in a data model and associated query language, and present some formal results concerned with the algebraic propert...
WOLLIC
2009
Springer
14 years 5 months ago
2009
Springer
In the recent years, query answering over Description Logic (DL) knowledge bases has been receiving increasing attention, and various methods and techniques have been presented for...
DASFAA
2007
IEEE
14 years 5 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...