98 search results - page 12 / 20 » Repairing Queries in a Mediator Approach |
ICDE
2004
IEEE
14 years 9 months ago
2004
IEEE
Query optimization in data integration requires source coverage and overlap statistics. Gathering and storing the required statistics presents many challenges, not the least of wh...
EDBTW
2010
Springer
14 years 2 months ago
2010
Springer
There has been lately an increased activity of publishing structured data in RDF due to the activity of the Linked Data community1 . The presence on the Web of such a huge informa...
DCOSS
2005
Springer
14 years 1 months ago
2005
Springer
The widespread dissemination of small-scale sensor nodes has sparked interest in a powerful new database abstraction for sensor networks: Clients “program” the sensors through ...
BDA
2007
13 years 9 months ago
2007
Query personalization was introduced as an advanced mechanism to allow the reformulation of database queries and adapt them to the user's domain of interest and preferences. ...
EDBT
2002
ACM
14 years 8 months ago
2002
ACM
The problem of finding contained rewritings of queries using views is of great importance in mediated data integration systems. In this paper, we first present a general approach f...