The need for recommendation systems to ease user navigations has become evident by growth of information on the Web. There exist many approaches of learning for Web usage-based re...
Queries describe the users' search intent and therefore they play an essential role in the context of ranking for information retrieval and Web search. However, most of exist...
In this paper, we describe the notion of a semantic information portal. This is a community information portal that exploits the semantic web standards to improve structure, exten...
In this paper, we introduce the concept of "user policies" and its applications to the browsing of HTML documents. The objective of policies is to specify user preferenc...
We present an algorithm, witch, that learns to detect spam hosts or pages on the Web. Unlike most other approaches, it simultaneously exploits the structure of the Web graph as we...
Jacob Abernethy, Olivier Chapelle, Carlos Castillo