365 search results - page 2 / 73 » Answering Non-Monotonic Queries in Relational Data Exchange |
PODS
2005
ACM
14 years 4 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...
PODS
2010
ACM
13 years 9 months ago
2010
ACM
The notion of certain answers arises when one queries incompletely specified databases, e.g., in data integration and exchange scenarios, or databases with missing information. W...
DLOG
2008
13 years 6 months ago
2008
Answering queries posed over knowledge bases is a central problem in knowledge representation and database theory. In databases, query containment is one of the important query op...
PODS
2005
ACM
14 years 4 months ago
2005
ACM
EDBTW
2004
Springer
13 years 10 months ago
2004
Springer
The problem of answering queries posed to a peer who is a member of a peer-to-peerdataexchangesystemisstudied.Theanswershavetobeconsistentwrt to both the local semantic constraints...