Abstract. Peer Data Management Systems (PDMSs) have been recently proposed as an evolution of Peer-To-Peer (P2P) systems toward a more semantics-based description of peers' co...
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...
Relational data exchange deals with translating a relational database instance over some source schema into a relational database instance over some target schema, according to a ...
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...
We consider data exchange for XML documents: given source and target schemas, a mapping between them, and a document conforming to the source schema, construct a target document a...