Damires Souza Ana Carolina Salgado Patricia Azevedo Tedesco Towards a Context Ontology for Geospatial Data Integration. 1576-1585 2006 conf/otm/2006-w2 OTM Workshops (2) http://dx.doi.org/10.1007/11915072_64 db/conf/otm/otm2006-w2.html#SouzaST06