1500 search results - page 209 / 300 » Query Optimization in Database Grid |
ISMIS
1999
Springer
14 years 1 months ago
1999
Springer
Semantic Query Optimisation makes use of the semantic knowledge of a database (rules) to perform query transformation. Rules are normally learned from former queries fired by the u...
ICOODB
2009
13 years 7 months ago
2009
The integration of database and programming languages is made difficult by the different data models and type systems prevalent in each field. Functional-object query languages con...
SIGMOD
2008
ACM
14 years 9 months ago
2008
ACM
Pattern matching over event streams is increasingly being employed in many areas including financial services, RFIDbased inventory management, click stream analysis, and electroni...
ICDE
2008
IEEE
14 years 10 months ago
2008
IEEE
Given a record set D and a query score function F, a top-k query returns k records from D, whose values of function F on their attributes are the highest. In this paper, we investi...
DLOG
2008
13 years 11 months ago
2008
Answering queries posed over knowledge bases is a central problem in knowledge representation and database theory. In databases, query containment is one of the important query op...