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An Architecture for Peer-to-Peer Information Karl Aberer, Fabius Klemm, Martin Rajman, Jie Wu

Summary: An Architecture for Peer-to-Peer Information
Karl Aberer, Fabius Klemm, Martin Rajman, Jie Wu
School of Computer and Communication Sciences
EPFL, Lausanne, Switzerland
July 2, 2004
Peer-to-Peer (P2P) systems are very large computer networks, where peers
collaborate to provide a common service. Providing large-scale Information
Retrieval (IR), e.g. for searching the Word Wide Web, is an appealing applica-
tion for P2P systems. The research community has presented several proposal
for P2P-IR. However, so far the concepts of P2P and of IR have been intermin-
gled. In this paper, we propose an architecture to structure P2P-IR systems.
We differentiate between concepts belonging to the construction and main-
tenance of a P2P overlay network, and those belonging to IR. Furthermore,
we distinguish basic P2P-IR concepts, which are likely to be needed in all
P2P-IR systems, and advanced P2P-IR concepts, that rather depend on the
flavor of the system. This decomposition of the P2P retrieval process is an
important step towards a structured implementation of such systems. Fur-
thermore, it allows a systematic sharing of methods and resources needed to


Source: Aberer, Karl - Faculté Informatique et Communications, Ecole Polytechnique Fédérale de Lausanne


Collections: Computer Technologies and Information Sciences