2043 search results - page 309 / 409 » The Limits of Querying Ontologies |
AP2PC
2003
Springer
14 years 4 months ago
2003
Springer
The objective of query optimizers is to select a good execution plan for a given query. In a distributed system, it is crucial for a query optimizer to have effective remote cost e...
CAISE
2003
Springer
14 years 4 months ago
2003
Springer
Abstract. Even though SQL has become widely accepted as a language for implementing relational database schemas and querying data, there are cases where s experience the need for n...
WEBDB
2010
Springer
14 years 3 months ago
2010
Springer
Wikipedia infoboxes is an example of a seemingly structured, yet extraordinarily heterogeneous dataset, where any given record has only a tiny fraction of all possible fields. Su...
TES
2001
Springer
14 years 3 months ago
2001
Springer
Current developments show that tomorrow’s information systems and applications will no longer be based on monolithic architectures that encompass all the functionality. Rather, t...
CIKM
1999
Springer
14 years 3 months ago
1999
Springer
On-line analytical processing (OLAP) requires e cient processing of complex decision support queries over very large databases. It is well accepted that pre-computed data cubes ca...