Miriam Baglioni José Antônio Fernandes de Macêdo Chiara Renso Monica Wachowicz An Ontology-Based Approach for the Semantic Modelling and Reasoning on Trajectories. 344-353 2008 ER Workshops http://dx.doi.org/10.1007/978-3-540-87991-6_41 conf/er/2008w db/conf/er/erw2008.html#BaglioniMRW08