Next century challenges: Nexus—an open global infrastructure for spatial-aware applications
MobiCom '99 Proceedings of the 5th annual ACM/IEEE international conference on Mobile computing and networking
Towards the Observation of Spatial Events in Distributed Location-Aware Systems
ICDCSW '02 Proceedings of the 22nd International Conference on Distributed Computing Systems
A Model-Based, Open Architecture for Mobile, Spatially Aware Applications
SSTD '01 Proceedings of the 7th International Symposium on Advances in Spatial and Temporal Databases
A Fine-Grained Addressing Concept for GeoCast
ARCS '02 Proceedings of the International Conference on Architecture of Computing Systems: Trends in Network and Pervasive Computing
ISWC '99 Proceedings of the 3rd IEEE International Symposium on Wearable Computers
Reference Management in a Loosely Coupled, Distributed Information System
ADBIS '08 Proceedings of the 12th East European conference on Advances in Databases and Information Systems
Tool Support for the Design and Management of Spatial Context Models
ADBIS '09 Proceedings of the 13th East European Conference on Advances in Databases and Information Systems
Tool support for the design and management of context models
Information Systems
Pervasive and Mobile Computing
Probabilistic inference of object identifications for event stream analytics
Proceedings of the 16th International Conference on Extending Database Technology
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This demo shows several advanced use cases of location-based services and demonstrates how these use cases are facilitated by a mediation middleware for spatial information, the Nexus Platform. The scenario shows how a mobile user can access location-based information via so called Virtual Information Towers, register spatial events, send and receive geographical messages or find her friends by displaying other mobile users. The platform facilitates these functions by transparently combining spatial data from a dynamically changing set of data providers, tracking mobile objects and observing registered spatial events.