Sciweavers

LOCA
2005
Springer
13 years 9 months ago
Context Obfuscation for Privacy via Ontological Descriptions
Context information is used by pervasive networking and context-aware programs to adapt intelligently to different environments and user tasks. As the context information is poten...
Ryan Wishart, Karen Henricksen, Jadwiga Indulska
LOCA
2005
Springer
13 years 9 months ago
Mobile Context Inference Using Low-Cost Sensors
In this paper, we introduce a compact system for fusing location data with data from simple, low-cost, non-location sensors to infer a user’s place and situational context. Speci...
Evan Welbourne, Jonathan Lester, Anthony LaMarca, ...
LOCA
2005
Springer
13 years 9 months ago
Context Modelling and Management in Ambient-Aware Pervasive Environments
Services in pervasive computing systems must evolve so that they become minimally intrusive and exhibit inherent proactiveness and dynamic adaptability to the current conditions, u...
Maria Strimpakou, Ioanna Roussaki, Carsten Pils, M...
LOCA
2005
Springer
13 years 9 months ago
Towards LuxTrace: Using Solar Cells to Measure Distance Indoors
Abstract. Navigation for and tracking of humans within a building usually implies significant infrastructure investment and devices are usually too high in weight and volume to be...
Julian Randall, Oliver Amft, Gerhard Tröster
LOCA
2005
Springer
13 years 9 months ago
Improving the Accuracy of Ultrasound-Based Localisation Systems
Abstract. We present an improvement to ultrasound–based indoor location systems like Cricket [1]. By encoding and modulating the ultrasound pulses, we are able to achieve greater...
Hubert Piontek, Matthias Seyffer, Jörg Kaiser
LOCA
2005
Springer
13 years 9 months ago
Prediction of Indoor Movements Using Bayesian Networks
Abstract. This paper investigates the efficiency of in-door next location prediction by comparing several prediction methods. The scenario concerns people in an office building vis...
Jan Petzold, Andreas Pietzowski, Faruk Bagci, Wolf...
LOCA
2005
Springer
13 years 9 months ago
The GETA Sandals: A Footprint Location Tracking System
This paper presents the design, implementation, and evaluation of a footprintbased indoor location system on traditional Japanese GETA sandals. Our footprint location system can s...
Kenji Okuda, Shun-yuan Yeh, Chon-in Wu, Keng-hao C...
LOCA
2005
Springer
13 years 9 months ago
Towards Smart Surroundings: Enabling Techniques and Technologies for Localization
Abstract. In this paper we identify the common techniques and technologies that are enabling location identification in a ubiquitous computing environment. We also address the imp...
Kavitha Muthukrishnan, Maria Eva Lijding, Paul J. ...
LOCA
2005
Springer
13 years 9 months ago
MoteTrack: A Robust, Decentralized Approach to RF-Based Location Tracking
In this paper, we present a robust, decentralized approach to RF-based location tracking. Our system, called MoteTrack, is based on low-power radio transceivers coupled with a mode...
Konrad Lorincz, Matt Welsh
LOCA
2005
Springer
13 years 9 months ago
The xPOI Concept
Today, most mobile applications use geo-referenced points of interest (POIs) on location-based maps to call the user’s attention to interesting spots in the surroundings. The pre...
Jens Krösche, Susanne Boll