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VLDB
2004
ACM
124views Database» more  VLDB 2004»
14 years 1 months ago
Automated Statistics Collection in DB2 UDB
The use of inaccurate or outdated database statistics by the query optimizer in a relational DBMS often results in a poor choice of query execution plans and hence unacceptably lo...
Ashraf Aboulnaga, Peter J. Haas, Sam Lightstone, G...
ACSC
2003
IEEE
14 years 1 months ago
Communication Performance Issues for Two Cluster Computers
Clusters of commodity machines have become a popular way of building cheap high performance parallel computers. Many of these designs rely on standard Ethernet networks as a syste...
Francis Vaughan, Duncan A. Grove, Paul D. Coddingt...
DATE
2003
IEEE
101views Hardware» more  DATE 2003»
14 years 1 months ago
Energy Estimation for Extensible Processors
This paper presents an efficient methodology for estimating the energy consumption of application programs running on extensible processors. Extensible processors, which are incr...
Yunsi Fei, Srivaths Ravi, Anand Raghunathan, Niraj...
IDEAS
2003
IEEE
122views Database» more  IDEAS 2003»
14 years 1 months ago
Preferred Repairs for Inconsistent Databases
The objective of this paper is to investigate the problems related to the extensional integration of information sources. In particular, we propose an approach for managing incons...
Sergio Greco, Cristina Sirangelo, Irina Trubitsyna...
INFOCOM
2003
IEEE
14 years 1 months ago
Associative Search in Peer to Peer Networks: Harnessing Latent Semantics
— The success of a P2P file-sharing network highly depends on the scalability and versatility of its search mechanism. Two particularly desirable search features are scope (abil...
Edith Cohen, Amos Fiat, Haim Kaplan