6004 search results - page 213 / 1201 » Parallelizing query optimization |
SIGMOD
2004
ACM
14 years 10 months ago
2004
ACM
An effective query optimizer finds a query plan that exploits the characteristics of the source data. In data integration, little is known in advance about sources' propertie...
CEAS
2005
Springer
14 years 4 months ago
2005
Springer
Implicit query systems examine a document and automatically conduct searches for the most relevant information. In this paper, we offer three contributions to implicit query resea...
DAC
2008
ACM
14 years 11 months ago
2008
ACM
An energy optimization is proposed that addresses the nontrivial digital contribution to power and impact on performance in high-speed mixed-signal circuits. Parallel energy and b...
SIGMOD
2007
ACM
14 years 10 months ago
2007
ACM
Incomplete information arises naturally in numerous data management applications. Recently, several researchers have studied query processing in the context of incomplete informat...
SIGMOD
2011
ACM
13 years 1 months ago
2011
ACM
An important means of allowing non-expert end-users to pose ad hoc queries — whether over single databases or data integration systems — is through keyword search. Given a set...