149 search results - page 27 / 30 » Optimization of Multi-Way Join Queries for Parallel Executio... |
SIGMOD
2002
ACM
14 years 11 months ago
2002
ACM
This paper addresses the problem of evaluating ranked top-? queries with expensive predicates. As major DBMSs now all support expensive user-defined predicates for Boolean queries...
ICDT
2005
ACM
14 years 4 months ago
2005
ACM
We present a formal analysis of the database layout problem, i.e., the problem of determining how database objects such as tables and indexes are assigned to disk drives. Optimizin...
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ICDE
2003
IEEE
15 years 7 days ago
2003
IEEE
The XML Wrapper is a new feature of the federated database capabilities of DB2/UDB v8. It enables users and applications to issue SQL queries against XML data from a variety of so...
ICPP
1993
IEEE
14 years 3 months ago
1993
IEEE
Task graphs are used for scheduling tasks on parallel processors when the tasks have dependencies. If the execution of the program is known ahead of time, then the tasks can be st...
DLOG
2010
13 years 9 months ago
2010
Abstract. One of the most frequently used inference services of description logic reasoners classifies all named classes of OWL ontologies into a subsumption hierarchy. Due to emer...