event toring and geotechnical finite element-, rock fall- and landslide modeling. the 2009 sessions highlighted on-line data acquisition, general geological 3d modeling and geotechnical analysis. this year s poster session included flash poster presenta-tions, targeting emerging scientists and geological or geotechnical offices in particular. the presentations at all sessions proved fruitful for presenting ideas and facilitated the exchange of experience from geological, geotechnical and scientific projects. sixty par-ticipants visited this year s cog; as in the years before, the presentations have been published in extended form in a peer-reviewed book available via www.amazon.de . due to the provenance of the attendees who come mainly from austria, germany and switzerland, the cog conference language has been german. in 2010, the cog will also address eastern european countries and english will therefore be added as a sec-ond conference language. for the 2010 cog meeting, the following thematic sessions are planned: geotechnical documentation and monitoring, 3d visualization in geology and geotechnics, geostatis-tics and environmental remediation. more information on the cog 2010 is available at www.oeawgiscience.org. gi-forum @ agit 2009 the interdisciplinary gi_forum (www.giforum.org, july 7 to 10, 2009) focused on an international giscience audience, communicating in english, and sharing an interest in translating new methods and techniques into a broad range of application domains in geoinformatics. gi_forum has become an annual event for the vibrant gi community from academia, industry, and government to analyze progress and explore new re-search directions. the proceedings of the gi_forum 09 consist of papers on emerging topics and re-search outcomes related to geoinformatics methodology (www.wichmann-verlag.de/product/3ba16ad815 4.html). these topics range from geospatial data acquisi-tion and gi-technology, advanced spatial analysis, knowledge extraction and geovisu-alization, to standards and spatial data infrastructure, distributed and mobile services, and dynamic modeling and simulation. gi_forum 09 also attracted contributions per-taining to the following specific topics: digital cities digital cities are meant to provide collaborative environments built upon a fine-resolution 3d digital city and its infrastructure in the present and the future. respective contributions address these issues both at conceptual and computa-tional levels latest news? visit www.geoinformatics.com sustainable environments developing and managing our natural, societal and technical environments in a sustainable way is one of today's major challenges. this includes the generation of renewable energy as well as integrated approaches to mobility and regional development and the use of geoinformatics as an indispensable set of tools global monitoring - observing, understanding and visualizing planet earth global initiatives such as global earth observation system of systems (geoss) and the eu-esa joint program global monitoring for environment and security (gmes) provide the open stage for creating, developing and implementing a range of eobased information services. they build on cutting-edge technology in data integration and processing, spatio-temporal analysis, information extrac-tion and visualization, while addressing users needs learning with geoinformation learning with geoinformation attracted contributions discussing various issues related to geoinformation in education. the bilingual conference on learning with geoinformation hosted contributions in respective sessions shared with gi_forum and in cooperation with the herodot network (www.herodot.net). these contributions are published in separate proceedings. the quality of all the contributions greatly depends on critical and constructive feedback from the gi_forum program committee members an internationally-acknowledged team of experts from academia and industry. the program committee selected over 50 contributions to be presented as publications, in a discussion session or as poster pres-entations at the gi_forum 09. at the gi_forum 08 we introduced the thematic discus-sion session format to facilitate the exchange of experience and further enhance dis-cussion among the presenters and the audience, which proved particularly fruitful for presenting early ideas. due to excellent feedback by both presenters and audience we decided to organize a number of sessions in this manner again and summaries of the respective contributions are available as extended abstracts in these proceedings. the gi_forum program was significantly enriched by two keynote speakers, distinguished researchers in the area of giscience. sucharita gopal from boston university, usa, focused on geosocial networking, considered one of the hottest application areas in 2009. in [a] [b] [c] a: marschallinger, r., wanker, w., zobl. f. (2009): online datenerfassung, beruhrungslose messverfahren, 3d-modellierung und geotechnische analyse in geologie und geotechnik, beitrage zur cogfachtagung, 254 p, salzburg 2009, isbn 978-387907-490-7, wichmann b: car, a., griesebner, g., strobl, j. (2009): geospatial crossroads @ gi_forum 09. proceedings of the geoinformatics forum salzburg, 254 p, salzburg 2009, isbn 978-3-87907481-5, wichmann c: strobl, j., blaschke, t., griesebner, g. (2009): angewandte geoinformatik 2009, beitrage zum 21. agit-symposium salzburg 2009, xvi, 858 p, isbn 978-3-87907-480-8, wichmann her keynote mrs gopal examined the evolution and technology of geosocial networking, its implications, as well as its place in creating a more socially relevant and friendly gis. claire jarvis from the university of leicester, uk, addressed spatial literacy. spatial literacy has become increasingly important in order to achieve effective teaching and learning in giscience. in her keynote mrs jarvis first investigated a spatial literacy con-tinuum based on a synthesis of research from a range of disciplines. robert marschallinger robert.marschallinger@oeaw.ac.at, fritz zobl fritz.zobl@oeaw.ac.at, giscience, institute for geographic information science, austrian academy of sciences. www.oeaw-giscience.org adrijana car adrijana.car@sbg.ac.at, petra jenewein petra.jenewein@sbg.ac.at, z_gis centre for geoinformatics. university of salz-burg, www.unisalzburg.at/zgis 67 september 2009