Elisa Chiabrando Silvia Likavec Ilaria Lombardi Claudia Picardi Daniele Theseider Dupré Semantic similarity in heterogeneous ontologies. 153-160 2011 HT https://doi.org/10.1145/1995966.1995989 conf/ht/2011 db/conf/ht/ht2011.html#ChiabrandoLLPD11