decentralized search

http://wwwis.win.tue.nl/ah2003/proceedings/ht-6/

This article talks about how global site ranking and search on the web is becoming more and more unstable due to the continuous emergence and dying of websites. The person who wrote this article proposes a new way to search the web using a decentralized search architecture instead of centralized. He claims that this will reduce cost and high computation. He introduces new methods such as computing the global document ranking of the whole Web from the global site ranking and local document rankings.