The WWW provides a simple yet effective media for users to search, browse, and retrieve information in the Web. Web log mining is a promising tool to study user behaviors, which co...
This paper details the participation of the XLDB group from the University of Lisbon at the GeoCLEF task of CLEF 2006. We tested text mining methods that make use of an ontology t...
Bruno Martins, Nuno Cardoso, Marcirio Silveira Cha...
In this work we develop a secure communication protocol in the context of a Remote Meter Reading (RMR) System. We first analyze existing standards in secure communication (e.g. IP...
MD5 is a well-known and widely-used cryptographic hash function. It has received renewed attention from researchers subsequent to the recent announcement of collisions found by Wa...
Much debate exists whether explicit signalling is eventually required to create a reliable and integrated multi-service Internet. If yes, further disagreement exists, how such sign...