Hemant Joshi Remzi Seker Coskun Bayrak Srini Ramaswamy Jeffrey B. Connelly Ontology for disaster mitigation and planning. 26 2007 SCSC http://doi.acm.org/10.1145/1357910.1358132 conf/scsc/2007 db/conf/scsc/scsc2007.html#JoshiSBRC07