3678 search results - page 24 / 736 » Personalization of Queries in Database Systems |
IDEAS
2010
IEEE
13 years 6 months ago
2010
IEEE
Even though an effective cost-based query optimizer is of utmost importance for the efficient evaluation of XQuery expressions in native XML database systems, such a component is...
SIGMOD
2002
ACM
14 years 7 months ago
2002
ACM
Physical database design is important for query performance in a shared-nothing parallel database system, in which data is horizontally partitioned among multiple independent node...
PODS
2004
ACM
14 years 7 months ago
2004
ACM
The problem of deciding query containment has important applications in classical query optimization and heterogeneous database systems. Query containment is undecidable for unres...
CORR
2010
Springer
13 years 2 months ago
2010
Springer
Educational media mining is the process of converting raw media data from educational systems to useful information that can be used to design learning systems, answer research qu...
DPD
2002
13 years 7 months ago
2002
A major cost in executing queries in a distributed database system is the data transfer cost incurred in transferring relations (fragments) accessed by a query from different sites...