Computational data modeling for network-constrained moving objects

  • Authors:
  • Laurynas Speičvcys;Christian S. Jensen;Augustas Kligys

  • Affiliations:
  • Aalborg University, Denmark;Aalborg University, Denmark;Aalborg University, Denmark

  • Venue:
  • GIS '03 Proceedings of the 11th ACM international symposium on Advances in geographic information systems
  • Year:
  • 2003

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Abstract

Advances in wireless communications, positioning technology, and other hardware technologies combine to enable a range of applications that use a mobile user's geo-spatial data to deliver online, location-enhanced services, often referred to as location-based services. Assuming that the service users are constrained to a transportation network, this paper develops data structures that model road networks, the mobile users, and stationary objects of interest. The proposed framework encompasses two supplementary road network representations, namely a two-dimensional representation and a graph representation. These capture aspects of the problem domain that are required in order to support the querying that underlies the envisioned location-based services.