- web and cloud based architectures, services and applications for intelligent mapping, multiple geospatial web services, geoweb semantics and ontologies, geospatial analytics, spatiotemporal analysis and online GIS

- mobile and ubiquitous geospatial services and applications with adaptive and context-aware processing and multidimensional visualisation

- virtual and collaborative geospatial environments and services for crowdsourced spatiotemporal data

- Integration of open source solutions and open standards/specifications

- virtual globes for geospatial data integration, visualization and analysis

- social and organizational issues related to web and cloud-based services and collaborative environments

- novel online 3D/4D visualization and virtual reality technologies for representing and analysing dynamic phenomena to provide collaborative services in a web and cloud based environment