%0 Conference Proceedings %T Analysis of the usage of the Virtuoso system %+ Faculty of Mathematics and Informatics [Sofia] %A Stefanov, Krassen %A Stefanova, Eliza %< avec comité de lecture %( AIED Workshop on Usage Analysis in Learning Systems %B AIED Workshop on Usage Analysis in Learning Systems %C Amsterdam, Netherlands %P 8 pages %8 2005 %D 2005 %K tracking %K computer assisted language learning (CALL) %Z Computer Science [cs]/Technology for Human LearningConference papers %X We present our experiences for recording and analyzing usage of the Learning System Virtuoso at the University of Sofia. The description follows the structure that emerged from the joint work on the Kaleidoscope DPULS Project meetings held on February and April 2005. We also show one possible generalisation and one example pattern for tracking the learning problems described. %G English %2 https://telearn.hal.science/hal-00190102/document %2 https://telearn.hal.science/hal-00190102/file/Stefanov-2005.pdf %L hal-00190102 %U https://telearn.hal.science/hal-00190102 %~ TELEARN %~ TICE %~ TEL