TY - JOUR T1 - {The Role of a Multi-tier Ontological Framework in Reasoning to Discover Meaningful Patterns of Sustainable Mobility} Y1 - 2009 A1 - Monica Wachowicz A1 - de José Antônio Fernandes Macêdo A1 - Chiara Renso A1 - Arend Ligtenberg N1 - {Geographic Data Mining and Knowledge Discovery, 2nd Edition, to appear} ER -