Leonidas Akritidis Dimitrios Katsaros Panayiotis Bozanis Effective Ranking Fusion Methods for Personalized Metasearch Engines. 39-43 2008 Panhellenic Conference on Informatics http://dx.doi.org/10.1109/PCI.2008.31 conf/pci/2008 db/conf/pci/pci2008.html#AkritidisKB08