313 search results - page 35 / 63 » Semantic Query Optimization for Methods in Object-Oriented D... |
BTW
2003
Springer
15 years 2 months ago
2003
Springer
Abstract: In order to achieve efficient execution plans for queries comprising userdefined data types and predicates, the database system has to be provided with appropriate index ...
CORR
2011
Springer
14 years 4 months ago
2011
Springer
Contemporary use of the term ’intension’ derives from the traditional logical doctrine that an idea has both an extension and an intension. In this paper we introduce an intens...
ICDE
2007
IEEE
15 years 4 months ago
2007
IEEE
Partitioned query processing is an effective method to process continuous queries with large stateful operators in a distributed systems. This method typically partitions input da...
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ICDE
2009
IEEE
15 years 11 months ago
2009
IEEE
We have developed a system to process database queries over composed data providing web services. The queries are transformed into execution plans containing an operator that invok...
DEXA
2004
Springer
15 years 3 months ago
2004
Springer
Data integration is a significant challenge: relevant data objects are split across multiple information sources, and often owned by different organizations. The sources represent...