200 search results - page 26 / 40 » Datalog Queries of Set Constraint Databases |
SIGIR
2004
ACM
14 years 24 days ago
2004
ACM
Document-centric XML collections contain text-rich documents, marked up with XML tags. The tags add lightweight semantics to the text. Querying such collections calls for a hybrid...
DBSEC
2009
13 years 8 months ago
2009
There is an increasing need for sharing data repositories containing personal information across multiple distributed and private databases. However, such data sharing is subject t...
VLDB
2004
ACM
14 years 21 days ago
2004
ACM
We consider the problem of data sharing between autonomous data sources in an environment where constraints cannot be placed on the shared contents of sources. Our solutions rely ...
ADBIS
2010
Springer
13 years 9 months ago
2010
Springer
Abstract. The need for location-based services has motivated an important research effort in the efficient processing of location-dependent queries. Most of the existing approaches...
IDEAS
2003
IEEE
14 years 19 days ago
2003
IEEE
The objective of this paper is to investigate the problems related to the extensional integration of information sources. In particular, we propose an approach for managing incons...