55 search results - page 8 / 11 » How to Decide Query Containment Under Constraints Using a De... |
PODS
2005
ACM
14 years 7 months ago
2005
ACM
Abstract. We present a semantics and answer set programs for relational peer data exchange systems. When a peer answers a query, it exchanges data with other peers in order to supp...
KI
2002
Springer
13 years 7 months ago
2002
Springer
In the previous two decades, a number of qualitative constraint calculi have been developed, which are used to represent and reason about spatial configurations. A common property...
SEMWEB
2005
Springer
14 years 25 days ago
2005
Springer
A common practice in conceptual modeling is to separate the conceptual from the data model. Although very intuitive, this approach is inadequate for many complex domains, in which...
IGPL
2010
13 years 5 months ago
2010
This paper is a contribution to the formalisation of Thagard’s coherence theory. The term coherence is defined as the quality or the state of cohering, especially a logical, ord...
NIPS
2000
13 years 8 months ago
2000
How should we decide among competing explanations of a cognitive process given limited observations? The problem of model selection is at the heart of progress in cognitive scienc...