Yun Bai Juan Yang Yuhui Qiu OntoCBR: Ontology-Based CBR in Context-Aware Applications. 164-169 2008 MUE http://doi.ieeecomputersociety.org/10.1109/MUE.2008.56 conf/mue/2008 db/conf/mue/mue2008.html#BaiYQ08