Providing architectural support for building context-aware applications
Providing architectural support for building context-aware applications
An ontology for context-aware pervasive computing environments
The Knowledge Engineering Review
Ontology-based models in pervasive computing systems
The Knowledge Engineering Review
Representing and Managing the Context of a Situation
The Computer Journal
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We describe an abstract, generic and extensible ontology, the Rover Context Model Ontology (RoCoMO), which is currently being designed and developed to model and represent context in an intelligent context-aware middleware system, called Rover II. The Rover Context Model (RoCoM) is the underlying context model for Rover II and is centered on four primitives that can be used to represent a situation: entity, event, activity and relationship. The ontology is expressed using the Web Ontology Language (OWL) and includes two components -- RoCoM Core Ontology and the RoCoM Application Ontology. We also illustrate its usage with the aid of a public safety application called M-Urgency that is currently deployed at the UMD campus.