He is one of the organizers of the Linked Science workshop series and co-chairing the W3C Emergency Information Community group. Before moving to New York, Carsten was a post-doc researcher in the Semantic Interoperability Lab at Institute for Geoinformatics, University of Münster, Germany. His current research is spanning a range of areas in the modeling and analysis of geographic information, including the analysis of social media in transportation research, using the Web as a data source for large-scale tests of geographic theories, and the development and use of vehicle-borne sensor networks.