Introduction to 'Planning Support Systems and Smart Cities'.- Development and Operation of Social Media GIS for Disaster Risk Management in Japan.- The Role of Social Media Geographic Information (SMGI) in Spatial Planning.- Data and Analytics for Neighborhood Development: Smart Shrinkage Decision Modeling in Baltimore, Maryland.- Managing Crowds: The Possibilities and Limitations of Crowd Information During Urban Mass Events.- Simulating Urban Resilience: Disasters, Dynamics and (Synthetic) Data.- Data Integration to Create Large-Scale Spatially Detailed Synthetic Populations.- Smart Cities: Concepts, Perceptions and Lessons for Planners.- Who's Smart? Whose City? The Sociopolitics of Urban Intelligence.- Knowledge-Mining the Australian Smart Grid Smart City Data: A Statistical-Neural Approach to Demand-Response Analysis.