297 search results - page 12 / 60 » On the Decidability of Consistent Query Answering |
MIS
2001
Springer
14 years 26 days ago
2001
Springer
A multimedia report is a multimedia presentation which integrates data returned by one or more queries to a multimedia database, thus extending the concept of report familiar in tr...
CIKM
2010
Springer
13 years 6 months ago
2010
Springer
We introduce EntityEngine, a system for answering entityrelationship queries over text. Such queries combine SQLlike structures with IR-style keyword constraints and therefore, ca...
SEMWEB
2010
Springer
13 years 6 months ago
2010
Springer
Abstract. Policies are declarations of constraints on the behaviour of components within distributed systems, and are often used to capture norms within agent-based systems. A few ...
SIGMOD
2005
ACM
14 years 8 months ago
2005
ACM
Although integrity constraints have long been used to maintain data consistency, there are situations in which they may not be enforced or satisfied. In this paper, we present Con...
ICDE
2006
IEEE
14 years 9 months ago
2006
IEEE
Graph reachability is fundamental to a wide range of applications, including XML indexing, geographic navigation, Internet routing, ontology queries based on RDF/OWL, etc. Many ap...