Google TechTalks
August 3, 2006
Gerhard Weikum
ABSTRACT
The peer-to-peer (P2P) computing paradigm is an intriguing alternative to Google-style search engines for querying and ranking Web content. In a network with many thousands or millions of peers the storage and access load requirements per peer are much lighter than for a centralized server farm.
On the other hand, P2P Web search also poses major challenges, one of them being the computation, dissemination, and efficient management of statistical measures that are crucial for good search strategies and ranking algorithms. Statistics (e.g., local and global document frequencies, overlap among peers’ contents, PageRank-style authority) need…