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A survey of context modelling and reasoning techniques
TLDR
We discuss the current approaches and show the lessons learned from the context models and their context management and reasoning systems. Expand
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A Middleware Infrastructure for Active Spaces
TLDR
The paper discusses the Gaia metaoperating system which extends the reach of traditional operating systems to manage ubiquitous computing habitats and living spaces as integrated programmable environments. Expand
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Reasoning about Uncertain Contexts in Pervasive Computing Environments
TLDR
Context-aware systems can't always identify the current context precisely, so they need support for handling uncertainty. Expand
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IBM infosphere streams for scalable, real-time, intelligent transportation services
TLDR
We use IBM InfoSphere Streams, a scalable stream processing platform, to generate dynamic, multi-faceted views of transportation information for the city of Stockholm, using real vehicle GPS and road-network data. Expand
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An infrastructure for context-awareness based on first order logic
TLDR
We propose a model of context that is based on first order predicate calculus. Expand
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A Middleware for Context-Aware Agents in Ubiquitous Computing Environments
TLDR
We propose a middleware for Ubiquitous Computing Environments that facilitates the development of context-aware agents. Expand
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Gaia: a middleware platform for active spaces
TLDR
We envision a future where people's living spaces are interactive and programmable. Expand
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Online Computation of Fastest Path in Time-Dependent Spatial Networks
TLDR
We study the online computation of fastest path in time-dependent spatial networks and present a technique which speeds-up the path computation. Expand
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Cerberus: a context-aware security scheme for smart spaces
TLDR
We present a ubiquitous security mechanism that integrates context-awareness with automated reasoning to perform authentication and access control in ubiquitous computing environments. Expand
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Use of ontologies in a pervasive computing environment
TLDR
In this paper we show how the use of ontologies has helped us overcome some important problems in the development of pervasive computing environments. Expand
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