Inconsistent Data Management in P2P Data Exchange System
Zhiqing Shao · Huadong Li-Gong Daxue xuebao · 2007
In this paper,a formal model of P2P data exchange system was presented.It describes not only the local integrity constraints of a peer,but also trust relationships and data exchange constraints(between) peers.Based on the model, a query processing strategy based on Candidate Data Set was proposed. A Candidate Data Set is a virtual view of the global database.A global consistent query result can be obtained by executing the query based on peer′s Query Candidate Data Set.A Candidate Data Set construction algorithm was also presented.