Concurrency control is a core component in optimistic replication systems. To detect concurrent updates, the system associates each replicated object with metadata, such as, versi...
We measure the WT10g test collection, used in the TREC-9 and TREC 2001 Web Tracks, and the .GOV test collection used in the TREC 2002 Web and Interactive Tracks, with common measu...
The great potential of the World Wide Web is given by its capability of accessing information by navigating via hyper links from one site to another. However, this great potential...
A basic problem in the management of web servers is capacity planning: you want enough capacity to be able to serve peak loads, but not too much so as to avoid excessive costs. It...
The Web is a continuously evolving environment, since its content is updated on a regular basis. As a result, the traditional usagebased approach to generate recommendations that ...