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GridVine: An Infrastructure for Peer Information Management

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3 Author(s)
Cudre-Mauroux, P. ; Ecole Polythechnique Fed. de Lausanne, Lausanne ; Agarwal, S. ; Aberer, K.

GridVine is a semantic overlay infrastructure based on a peer-to-peer (P2P) access structure. Built following the principle of data independence, it separates a logical layer - in which data, schemas, and schema mappings are managed - from a physical layer consisting of a structured P2P network supporting decentralized indexing, key load-balancing, and efficient routing. The system is decentralized, yet fosters semantic interoperability through pair-wise schema mappings and query reformulation. GridVine's heterogeneous but semantically related information sources can be queried transparently using iterative query reformulation. The authors discuss a reference implementation of the system and several mechanisms for resolving queries collaboratively.

Published in:

Internet Computing, IEEE  (Volume:11 ,  Issue: 5 )