A Grid-Based Infrastructure for Distributed Retrieval. - Fabio Simeoni; Leonardo Candela; George Kakaletris; Mads Sibeko; Pasquale Pagano; Giorgos Papanikos; Paul Polydoras; Yannis E. Ioannidis; Dagfinn Aarvaag; Fabio Crestani (ECDL, 2007)