1500 search results - page 137 / 300 » Query Optimization in Database Grid |
KDD
1995
ACM
14 years 19 days ago
1995
ACM
For semantic query optimization one needs detailed knowledgeabout the contents of the database. Traditional techniquesuse static knowledgeabout all possible states of the database...
VLDB
2002
ACM
13 years 8 months ago
2002
ACM
In spite of the many decades of progress in database research, surprisingly scientists in the life sciences community still struggle with inefficient and awkward tools for queryin...
GIS
2008
ACM
13 years 10 months ago
2008
ACM
In this paper we study in-network query processing in disconnected mobile environments, where both ad-hoc communication and infrastructure communication are available. Depending o...
SIGMOD
1996
ACM
14 years 1 months ago
1996
ACM
Object-Relational and Object-Oriented DBMSs allow users to invoke time-consuming ("expensive") methods in their queries. When queries containing these expensive methods a...
ICDE
2006
IEEE
14 years 10 months ago
2006
IEEE
Relational division, also known as small divide, is a derived operator of the relational algebra that realizes a many-to-one set containment test, where a set is represented as a ...