Improving the Search for Learning Objects with Keywords and Ontologies.

Lothar Lemnitzer Cristina Vertan Alex Killing Kiril Ivanov Simov Diane Evans Dan Cristea Paola Monachesi Improving the Search for Learning Objects with Keywords and Ontologies. 202-216 2007 conf/ectel/2007 EC-TEL http://dx.doi.org/10.1007/978-3-540-75195-3_15 db/conf/ectel/ectel2007.html#LemnitzerVKSECM07