59 search results - page 11 / 12 » Rewriting Unions of General Conjunctive Queries Using Views |
ICDT
2010
ACM
14 years 2 months ago
2010
ACM
The work reported here lays the foundations of data exchange in the presence of probabilistic data. This requires rethinking the very basic concepts of traditional data exchange, ...
CIKM
2011
Springer
12 years 4 months ago
2011
Springer
We present Nyaya, a system for the management of Semantic-Web data which couples a general-purpose and extensible storage mechanism with efficient ontology reasoning and querying ...
SIGMOD
2007
ACM
14 years 4 months ago
2007
ACM
Translating data and data access operations between applications and databases is a longstanding data management problem. We present a novel approach to this problem, in which the...
IDEAS
2005
IEEE
13 years 10 months ago
2005
IEEE
The XML data is order-sensitive. The order problem, that is how ordered XML documents and order-sensitive queries over it can be efficiently supported when mapped into the unorde...
COOPIS
2003
IEEE
13 years 10 months ago
2003
IEEE
Computational Grids are distributed systems that provide access to computational resources in a transparent fashion. Collecting and providing information about the status of the Gr...