260 search results - page 3 / 52 » Preferences for Queries in a Mediator Approach |
AMAI
2007
Springer
13 years 5 months ago
2007
Springer
We present here a formal foundation for an iterative and incremental approach to constructing and evaluating preference queries. Our main focus is query modification: a query tran...
FOIKS
2006
Springer
13 years 9 months ago
2006
Springer
Abstract. We present here a formal foundation for an iterative and incremental approach to constructing and evaluating preference queries. Our main focus is on query modification: ...
TSC
2010
12 years 12 months ago
2010
Data-Providing (DP) services allow query-like access to organizations' data via web services. The invocation of a DP service results in the execution of a query over data sour...
AMAI
2005
Springer
13 years 5 months ago
2005
Springer
Mediator systems integrate distributed, heterogeneous and autonomous data sources, but their e ective use requires the solution of hard query optimization problems. This is usuall...
COOPIS
1999
IEEE
13 years 9 months ago
1999
IEEE
There is currently great interest in building information mediators that can integrate informationfrom multipledata sources such as databases or Web sources. The query response ti...