Part 1 Theoretical and conceptual issues: spatial multicriteria decision analysis developing web-based GIS/MCE - improving access to data and spatial decision support tools spatial dimensions in multicriteria analysis. Part 2 Locational decision-making and analysis: equitable approaches to location problems application of a multiple criteria trade-off approach to spatial decision-making GDSS in highway planning - their use and adoption urban land management in transition economies - a decision support prototype for Shanghai the strategic identification of suitable land for low income housing - a case study from South Africa South Africa patterns of inequality and reform relating to socio-economic status and access to services. Part 3 Systemic decision-making and analysis: apres moi le deluge - multicriteria problems in multiregional water resources decision-making distributed knowledge, distributed processing, distributed users - emerging methodologies and case based reasoning for decision-making using traditional environmental knowledge and GIS geographic tools for decision-making in watershed management GIS-approach for land suitability assessment in developing countries - the case study of forest development project in Mexico exploring the potential of multi-criteria spatial decision support systems - a system for sustainable land-use planning and design.