Voronoi diagrams—a survey of a fundamental geometric data structure
ACM Computing Surveys (CSUR)
Topological mapping for mobile robots using a combination of sonar and vision sensing
AAAI'94 Proceedings of the twelfth national conference on Artificial intelligence (vol. 2)
Learning metric-topological maps for indoor mobile robot navigation
Artificial Intelligence
Design principles for intelligent environments
AAAI '98/IAAI '98 Proceedings of the fifteenth national/tenth conference on Artificial intelligence/Innovative applications of artificial intelligence
The Cricket location-support system
MobiCom '00 Proceedings of the 6th annual international conference on Mobile computing and networking
Jijo-2: An Office Robot that Communicates and Learns
IEEE Intelligent Systems
Low Cost Indoor Positioning System
UbiComp '01 Proceedings of the 3rd international conference on Ubiquitous Computing
EasyLiving: Technologies for Intelligent Environments
HUC '00 Proceedings of the 2nd international symposium on Handheld and Ubiquitous Computing
Learning Significant Locations and Predicting User Movement with GPS
ISWC '02 Proceedings of the 6th IEEE International Symposium on Wearable Computers
Proceedings of the 1st international conference on Mobile systems, applications and services
Context-Aware Computing Applications
WMCSA '94 Proceedings of the 1994 First Workshop on Mobile Computing Systems and Applications
Deploying and evaluating a location-aware system
Proceedings of the 3rd international conference on Mobile systems, applications, and services
Proceedings of the 1st international conference on Mobile systems, applications and services
Towards autonomous updating of world models in location-aware spaces
Personal and Ubiquitous Computing - Special Issue: Implications of the socio-physical contexts when interacting with mobile media
Maintaining a world model in a location-aware smart space
EuroSSC'06 Proceedings of the First European conference on Smart Sensing and Context
Smart blueprints: automatically generated maps of homes and the devices within them
Pervasive'12 Proceedings of the 10th international conference on Pervasive Computing
Creating a room connectivity graph of a building from per-room sensor units
BuildSys '12 Proceedings of the Fourth ACM Workshop on Embedded Sensing Systems for Energy-Efficiency in Buildings
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We present a novel method of extracting topological and metric geographical data using only positional data sensed from personnel movements.We extend researc from thefield of robotics to cope with the gross non-uniformity of sightings that is characteristic of real people in an indoor environment,and any unintentional obstruction of positioning by the user.We use real data collected using the Bat positioning system installed in the Laboratory for Communication Engineering to present the results of implementing the method. We successfully derive useful information from the data, and suggest further ways in which the techniques described are useful in a ubiquitous, sensor-driven computing environment.