His research focuses on data management issues for the geospatial Internet of Things, especially on managing, analyzing and visualizing large amount of spatio-temporal data streams from heterogeneous IoT devices. Steve is the editor of the Open Geospatial Consortium SensorThings API standard specification and the North American Chair of the OGC University Domain Working Group. Steve is also the project lead of Whiskers project, a proposed Eclipse project implementing the OGC SensorThings API connecting heterogeneous Internet of Things devices over the Web.