TY - CONF A1 - Diaconescu, Ion-Mircea A1 - Lukichev, Sergey A1 - Giurca, Adrian T1 - Semantic Web and Rule Reasoning inside of E-Learning Systems Y1 - 2011 UR - https://opus4.kobv.de/opus4-UBICO/frontdoor/index/index/docId/6234 ER -