732 search results - page 33 / 147 » Querying Multimedia Data Sources and Databases |
CAISE
2005
Springer
14 years 4 months ago
2005
Springer
In vague queries, a user enters a value that represents some real world object and expects as the result the set of database values that represent this real world object even with ...
ICDE
2002
IEEE
15 years 3 hour ago
2002
IEEE
We study the problem of query optimization in federated relational database systems. The nature of federated databases explicitly decouples many aspects of the optimization proces...
COOPIS
1999
IEEE
14 years 3 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...
ER
2004
Springer
14 years 4 months ago
2004
Springer
In this paper we present a model of functional access to data that, we argue, is suitable for modeling a class of data repositories characterized by functional access, such as web ...
CIKM
2011
Springer
12 years 10 months ago
2011
Springer
There exist many interrelated information sources on the Internet that can be categorized into structured (database) and semistructured (documents). A key challenge is to integrat...