2987 search results - page 245 / 598 » Multiobjective Query Optimization |
131
click to vote
SIGMOD
2004
ACM
16 years 2 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
15 years 7 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...
115
click to vote
IPPS
2002
IEEE
15 years 7 months ago
2002
IEEE
Query scheduling plays an important role when systems are faced with limited resources and high workloads. It becomes even more relevant for servers applying multiple query optimi...
222
click to vote
SIGMOD
2007
ACM
16 years 2 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...
144
click to vote
SIGMOD
2011
ACM
14 years 5 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...