Crosslingual Retrieval in an eLearning Environment. - Cristina Vertan; Kiril Ivanov Simov; Petya Osenova; Lothar Lemnitzer; Alex Killing; Diane Evans; Paola Monachesi (AI*IA, 2007)

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 (EC-TEL, 2007)