The coDB Robust Peer-to-Peer Database System

In this paper we give an overview of the coDB semantically well-founded P2P DB system. A network of databases, possibly with different schemas, are interconnected by means of GLAV coordination rules, which are inclusions of conjunctive queries, with possibly existential variables in the head; coordination rules may be cyclic. Each node can be queried in its schema for data, which the node can fetch from its neighbours, if a coordination rule is involved. Correctness and termination of query answering is guaranteed also in the case of runtime change in the topology of the network.

• Type: Conference
• Year: 2004
• Where: SEBD
• Authors: Enrico Franconi, Gabriel M. Kuper, Andrei Lopatenko, Ilya Zaihrayeu
• Keywords: Coordination Rule, GLAV Coordination Rules, P2P DB System, SEBD 2004, SEBD 2007