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Numerical Algorithms for Personalized Search in Self-organizing Information Networks by Sep Kamvar

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Chapter Ten

Adaptive P2P Topologies

10.1 INTRODUCTION

In Web search, the approach we took to personalization was to bias the ranking vectors based on an individual’s interest. In P2P networks, the approach we take to personalization is to directly connect each peer to peers with similar interests. There are several reasons for this approach. First, in Gnutella-style P2P networks, due to limited time-to-live (TTL) for queries, the quality of a user’s search experience is highly dependent on his or her peer’s local neighborhood. If a user’s peer is a few hops away from peers that carry the content that interest her, then she will be more able to ...

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