Artificial intelligence (2nd ed.)
Artificial intelligence (2nd ed.)
Being Digital
Information, Place, and Cyberspace: Issues in Accessibility
Information, Place, and Cyberspace: Issues in Accessibility
Editorial: Spatio-Temporal Data Models and Languages
Geoinformatica
A Semantic Approach for the Modeling of Trajectories in Space and Time
ER '09 Proceedings of the ER 2009 Workshops (CoMoL, ETheCoM, FP-UML, MOST-ONISW, QoIS, RIGiM, SeCoGIS) on Advances in Conceptual Modeling - Challenging Perspectives
A space-time GIS for dynamics in potential face-to-face meeting opportunities
Proceedings of the 2011 international workshop on Trajectory data mining and analysis
Proceedings of the 13th international conference on Ubiquitous computing
Discovering urban spatial-temporal structure from human activity patterns
Proceedings of the ACM SIGKDD International Workshop on Urban Computing
Towards Platial Joins and Buffers in Place-Based GIS
Proceedings of The First ACM SIGSPATIAL International Workshop on Computational Models of Place
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Today, the opportunity for potential human activity has gone beyond physical space to virtual space. Based on a proposed conceptual framework that models the relationships between physical and virtual spaces, this paper presents an attempt to adjust the space-time prism concept of Hägerstrand's time geography to identify potential activity opportunities in virtual space, focusing on the virtual space access channels available in physical space. A three-dimensional (3D) spatio-temporal Geographic Information System (GIS) design has been developed in this research to accommodate the adjusted space-time prism concept to support the representation, visualization, and analysis of potential human activities and interactions in physical and virtual spaces using the prism representation. Following the design, a prototype system has been successfully implemented in a 3D GIS environment. Such a system can provide powerful analytical tools for studies related to potential human activities and applications such as location-based services (LBS) and accessibility analysis in the information age.