News and Events

Evidence for amodal representations after bimodal learning: Integration of haptic-visual layouts into a common spatial image.

Published: Oct 1, 2009 Author(s): Guidice, Nicholas A., Klatzky, Roberta L., Loomis, Jack M. Abstract: Participants learned circular layouts of 6 objects presented haptically or visually, then indicated the direction from a start target to an end target of the same or different modality (intra-modal versus inter-modal). When objects from the two modalities were learned separately, superior performance for […]

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Worboys Selected for National Research Council Advisory Committee

Michael Worboys, chair of the Department of Spatial Information Science and Engineering, has been selected to serve on the Mapping Science Committee of the National Research Council, under the auspices of the  National Academies of Sciences and Engineering, and Institute of Medicine. The appointment runs from Jan. 2009 through Dec. 2012. The Committee provides independent […]

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Spatial learning and navigation using a virtual verbal display

Published: Jan 1, 2010 Author(s): Bakdash, Jonathan Z., Guidice, Nicholas A., Legge, Gordon E., Roy, Rudrava Abstract: We report on three experiments that investigate the efficacy of a new type of interface, called a virtual verbal display (VVD) for non-visual learning and navigation of computer-based virtual environments (VEs). Although verbal information has been studied for route-guidance, little is known about […]

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Nittel invited talk on Advances in Geosensor Networks at Workshop on Geospatial Information for Developing Countries at IIT Bombay, India

Dr Nittel presented an invited talk on the topic of “Advances in Geosensor Networks” at the Workshop on Geospatial Information for Developing Countries: Science and Technology at IIT Bombay, India, December 16-18, 2009. This workshop was organized by the Department of Computer Science & Engineering (CSE), IIT Bombay,  and Department of Computer Science,  University of […]

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Topological Relations from Metric Refinements

Published: Nov 1, 2009 Author(s): Dube, Matthew P., Egenhofer, Max J. Abstract: Naive Geography’s premise “Topology matters, metric refines” calls for metric properties that provide opportunities for finer grained distinctions than the purely qualitative topological relations. This paper defines a comprehensive set of eleven metric refinements that apply to the eight coarse topological relations between two regions that […]

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A Survey of Geosensor Networks: Advances in Dynamic Environmental Monitoring

Published: Jul 16, 2009 Author(s): Nittel, Silvia Abstract: In the recent decade, several technology trends have influenced the field of geosciences in significant ways. The first trend is the more readily available technology of ubiquitous wireless communication networks and progress in the development of low-power, short-range radio-based communication networks, the miniaturization of computing and storage platforms as […]

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Two funded PhD research assistantships announced

The Department of Spatial Information Science and Engineering and the National Center for Geographic Information and Analysis announce the availability of two funded PhD research assistantships.  Students will be working with advisor Professor Mike Worboys and will register for the degree of PhD.  The funding will cover a stipend, tuition, and a contribution to the […]

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Establishing Similarity Across Multi-Granular Topological-Relation Ontologies

Published: Jun 1, 2009 Author(s): Dube, Matthew P., Egenhofer, Max J. Abstract: Within the Geospatial Semantic Web, selecting a different ontology for a spatial data set will enable that dataís analysis in a different context. Analyses of multiple data sets, each based on a different ontology, require appropriate bridges across the ontologies. This paper focuses on establishing such […]

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