617 search results - page 65 / 124 » Semantic queries in databases: problems and challenges |
ICDE
2005
IEEE
14 years 10 months ago
2005
IEEE
Modern information systems often store data that has been transformed and integrated from a variety of sources. This integration may obscure the original source semantics of data ...
SIGMOD
2008
ACM
14 years 9 months ago
2008
ACM
Snippets are used by almost every text search engine to complement ranking scheme in order to effectively handle user searches, which are inherently ambiguous and whose relevance ...
EDBT
2009
ACM
14 years 3 months ago
2009
ACM
This work addresses the problem of processing continuous nearest neighbor (NN ) queries for moving objects trajectories when the exact position of a given object at a particular t...
DBPL
1991
Springer
14 years 12 days ago
1991
Springer
We propose a programming paradigm that tries to get close to both the semantic simplicity of relational algebra, and the expressive power of unrestricted programming languages. It...
PODS
2006
ACM
14 years 9 months ago
2006
ACM
The most acute information management challenges today stem from organizations relying on a large number of diverse, interrelated data sources, but having no means of managing the...