The Cricket location-support system
MobiCom '00 Proceedings of the 6th annual international conference on Mobile computing and networking
XZ-Ordering: A Space-Filling Curve for Objects with Spatial Extension
SSD '99 Proceedings of the 6th International Symposium on Advances in Spatial Databases
The Location Stack: A Layered Model for Location in Ubiquitous Computing
WMCSA '02 Proceedings of the Fourth IEEE Workshop on Mobile Computing Systems and Applications
LuxTrace: indoor positioning using building illumination
Personal and Ubiquitous Computing
A critical evaluation of location based services and their potential
Journal of Location Based Services
Design and implementation of a semantics-based Contextual Navigation Guide for Indoor Environments
Journal of Ambient Intelligence and Smart Environments
The iNAV indoor navigation system
UCS'07 Proceedings of the 4th international conference on Ubiquitous computing systems
Semantic information retrieval in the COMPASS location system
UCS'06 Proceedings of the Third international conference on Ubiquitous Computing Systems
Design and implementation of a semantics-based Contextual Navigation Guide for Indoor Environments
Journal of Ambient Intelligence and Smart Environments
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The aim of COMPASS (short for COM mon Positioning Architecture for Several Sensors) is to realize a location infrastructure which can make use of a multitude of different sensors and combine their output in a meaningful way to produce a so called Probability Distribution Function (PDF) that describes the location of a user or device as coordinates and corresponding location probabilities. Furthermore, COMPASS includes a so called translator service, i.e. a build-in component that translates PDFs (or coordinates) to meaningful location identifiers like building names and/or room numbers. This paper gives a short overview on the goals and abilities of COMPASS.