Konstantine Arkoudas, Selmer Bringsjord, Sangeet Khemlani. Qualitative Spatial Reasoning Via 3-Valued Heterogeneous Logic. In Jan L. G. Dietz, editor, KEOD 2009 - Proceedings of the International Conference on Know ledge Engineering and Ontology Development, Funchal - Madeira, Portugal, October 6-8, 2009. pages 80-87, INSTICC Press, 2009.
Abstract is missing.