A bibliometric analysis was applied in this work to evaluate global scientific production of geographic information system (GIS) papers from 1997 to 2006 in any journal of all the subject categories of the Science Citation Index compiled by Institute for Scientific Information (ISI), Philadelphia, USA. ‘GIS’ and ‘geographic information system’ were used as keywords to search parts of titles, ab...

This study describes the origins, boundaries, and structures of collaborative geographic information systems (CGIS). A working definition is proposed, together with a discussion about the subtle collaborative vs. cooperative distinction, and culminating in a philosophical description of the research area. The literatures on planning and policy analysis, decision support IDEA GROUP PUBLISHING Th...

Traditionally, stream and sub-watershed characterization in GIS has been accomplished using a DEM-based terrain analysis approach; however, there is a large amount of existing vector hydrographic data difficult to accurately reproduce using DEMs. WaterNet is a GIS/hydrologic application for the integration and analysis of stream and sub-watershed networks in vector format. Even with vector data...

“Qualitative GIS – isn’t that kind of an oxymoron?” This comment from a colleague with years of experience working with GIS echoes the title of an editorial from an edition of Environment and Planning dedicated to the topic (Kwan and Knigge: 2006), and voices lingering concerns about the limitations of GIS. Qualitative GIS: A Mixed Methods Approach serves as an invitation to scholars in fields ...

Acknowledgements We acknowledge support of our research from the European Union (EU Framework Program 6, AGRON-OMICS (LSHG-CT-2006-037704)), the Swiss National Science Foundation, CTI (Swiss Innovation Promotion Agency) and ETH Zurich. We thank the Functional Genomics Center Zurich for support of our profiling experiments. Apologies to all colleagues whose work could not be cited due to space c...

This is the second special issue on the topic of “implementation of Spatial Data Infrastructures (SDI) in transitional economies.” In the introduction to the first special issue (Georgiadou, Bernard, & Sahay, 2006), we argued that the majority of SDI initiatives in developing countries are characterized by a technical focus and a journalistic discourse (more hype and grand visions and less of r...

We introduce SIGTERNET (named before e-Edita) which is a tool to build, manage and query Geographical Information Systems (GIS) by the Internet in a client-server architecture. The system has evolved from a project designed in 1996 to establish links between spatial and alphanumeric information. The project was reformulated in 2006 to meet the GIS art of state systems. One of the most important...

A GIS toolset was developed to support the extraction of a variety of input variables for environmental models. The developed toolset allows the automated processing of large amounts of raster data over polygon data. A case study was performed in a region centered on eastern Tennessee and western North Carolina. Using the developed GIS toolset, topographic, geologic, and climatic characteristic...

BACKGROUND The field of postgraduate minimally invasive surgery/gastrointestinal surgery (MIS/GIS) training has undergone substantial growth and change. To determine whether fellowships are meeting a strategic need in training, we conducted a survey to assess the current status and trends of change in MIS/GIS fellowships. METHODS A survey was distributed to fellows currently in MIS/GIS progra...