Pasquale De Meo Giovanni Quattrone Domenico Ursino A Multiagent System for Assisting Citizens in Their Search of E-Government Services. 686-698 2008 38 IEEE Transactions on Systems, Man, and Cybernetics, Part C 5 http://dx.doi.org/10.1109/TSMCC.2008.923889 db/journals/tsmc/tsmcc38.html#MeoQU08