7576 search results - page 302 / 1516 » On Querying Ontologies and Databases |
295
click to vote
ICDE
2004
IEEE
16 years 8 months ago
2004
IEEE
An ever increasing amount of valuable information is stored in Web databases, "hidden" behind search interfaces. To save the user's effort in manually exploring eac...
263
click to vote
VLDB
2003
ACM
16 years 7 months ago
2003
ACM
On the Semantic Web, data will inevitably come from many different ontologies, and information processing across ontologies is not possible without knowing the semantic mappings be...
149
click to vote
CORR
2002
Springer
15 years 6 months ago
2002
Springer
We describe a meta-querying system for databases containing queries in addition to ordinary data. In the context of such databases, a meta-query is a query about queries. Represen...
187
click to vote
DBISP2P
2003
Springer
15 years 12 months ago
2003
Springer
Databases have employed a schema-based approach to store and retrieve structured data for decades. For peer-to-peer (P2P) networks, similar approaches are just beginning to emerge,...
305
click to vote
ICDE
2008
IEEE
16 years 8 months ago
2008
IEEE
Answering queries using materialized views has been well studied in the context of structured queries and has shown significant performance benefits. Despite the popularity of keyw...