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event combined gis event and symposium in salzburg computer oriented geology & gi-forum @ agit 2009 the annual computer oriented geology (cog) and geoinformatics forum (gi-forum) conferences take place during the agit at the university of salzburg, faculty for natural sciences. the working group "computer oriented geology" serves as a forum for discussion of up-to-date geo-software, software applications and development trends. the interdisciplinary gi-forum focuses on an international giscience audience, communicating in english, and sharing an interest in translating new methods and tech-niques into a broad range of application domains in geoinformatics. by robert marschallinger, fritz zobl, adrijana car & petra jenewein (giscience) at the austrian academy of sciences. the institute for giscience investigates concepts and methods for modeling, organizing, analyzing and communicating geospatial information. in close cooperation with interna-tional partners, the institute aims at achieving substantial progress in two major areas critical for current and future developments across gis application domains: spatial analysis and modeling, and spatial data infrastructures. these core research areas are enhanced and complemented by two transversal research themes: time & space and learning to think spatially. as the science supporting the development and application of gi systems, giscience has a significant impact on professional disciplines, public administration and, increasingly, everyday lives (www.oeaw-giscience.org). the centre for geoinformatics at salzburg university is a well-established center of competence in giscience. z_gis is active in research, continuing education and industry cooperation. with the competence being built from basic and applied research funded primarily through international programs, z_gis engages in educational and capacity-building activities, outreach initiatives and international collaboration projects. in particular the centre promotes the practical implementation of geospatial tools re-flected in collaboration agreements with leading enterprises in the gi sector. at the same time the team of gi specialists contributes their skills and expertise to study-programs and research at salzburg university as well as a range of international partner organizations (www.zgis.at). one application of computer oriented geology: development of a threedimensional subsurface model derived from seismic reflection data. cog @ agit 2009 the working group computer oriented geology of the austrian geological society (ogg) is a forum for discussing the application and development trends of geo-software, specifically in the fields of geology, engineering geology and hydrology. the computer oriented geology meeting brings together practitioners, researchers and stu-dents from these fields, as well as producers of dedicated software. the cog thematic sessions include a broad range of topics: in 2007, emphasis was on groundwater mod-eling, hydrothermal modeling and modeling river bound sediment transport. in 2008, the cog sessions centered on geomoniseptember 2009 the agit (www.agit.at), organized by the centre for geoinformatics at university of salzburg, is the biggest annual event of the german-speaking gis world. from july 8 to 10 more than a thousand participants attended this event in salzburg where gi-scientists and participants from industry and academia met with users from the public and private sectors for presentations of papers, tutorial workshops and product presen-tations. the agit expo, organized parallel to the agit symposium, offered in 2009 a total of 60 com- panies, organizations and institutions as well as users of spatial information technologies and geoinformatics, a great opportunity to exchange ideas, learn about developments and present innovations. agit 2010 will be held from july 7 to 9. the beautiful world cultural heritage city of salzburg was the setting for the third geoin-formatics forum and computer oriented geology symposium jointly organized by sal-zburg university centre for geoinformatics (z_gis) and the institute of geographic in-formation science 66