Gennaro Costagliola Vittorio Fuccella Massimiliano Giordano Giuseppe Polese Logging and Visualization of Learner Behaviour in Web-Based E-Testing. 452-463 2007 ICWL http://dx.doi.org/10.1007/978-3-540-78139-4_40 conf/icwl/2007 db/conf/icwl/icwl2007.html#CostagliolaFGP07