Kleber Xavier Sampaio de Souza Joseph Davis Silvio Roberto de Medeiros Evangelista Aligning Ontologies, Evaluating Concept Similarities and Visualizing Results. 211-236 2006 journals/jods/2006-5 J. Data Semantics V http://dx.doi.org/10.1007/11617808_8 db/journals/jods/jods5.html#SouzaDE06