The Geographic Information Science and Technology Body of Knowledge (GISTBoK) is a reference document produced by the University Consortium for Geographic Information Science (UCGIS) as the first product of its Model Curricula project, started in 1997 by and a select task force, and completed in 2006 by and a team of editors. The first edition was co-sponsored by UCGIS and several major vendors (ESRI, Intergraph, and GE Smallworld), and was published in August 2006 by the Association of American Geographers.