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Respecting an interactive context involving multiple participants, dynamic characteristics of their activities will cause situations not faithfully described in a static method. In particular, the goal that represents the meanings of activities (equally as changes on situations), is far beyond the scope of ontology languages, such as the OWL. Then, we formalize activities as a sequence of context...
Context-aware computing is one of the key issues in virtual computing environment. This paper aims to compare the ontology-based context modeling and reasoning approach with the traditional non-semantic one. A general scenario of virtual computing is given about the dynamical service aggregation and evolution. And the context of the environment is modeled respectively using an OWL based way and a...
In present day globalised trade, the ability to support collaboration through B2B (Business-to-Business) services is crucial. One of the key challenges is to pervasively connect partners across the entire value chain, with the appropriate service offerings. Thus, it is vital to quickly identify potential partners to form new B2B collaborations or to support formed collaborations with swift decision...
To realize the integration of the information space and physical space contained man-machine cooperation, auto-adaptation system, and intelligent management of engineering quality, in the construction quality management, this paper proposes a distributed hierarchical context-aware model which is a universal service for construction quality management system. Context-aware technology plays an important...
In a pervasive environment, it is essential for computing applications to be context-aware. However, one of the major challenges is the establishment of a generic and dynamic context model. Many different approaches to modeling the context exist, but an application- and domain-agnostic context model, that captures various types of context information and the dependencies between them, that could be...
In order to realise the goals of e-health, future e-health systems will require the capability to support patientspsila information management and medical decision making in an open and dynamic ubiquitous medical environment. Such an environment will be knowledge-rich, and sensitive and responsive to the needs of patients, and will allow effective collaborative healthcare service delivery by virtual...
Context-aware computing is an important area of ubiquitous computing. To study context-aware computing, the first step is to define its main component: context. We survey the various context definitions and then adopt the definition of Deypsilas. We survey the context modeling techniques and point out the deficiencies of each technique. The purpose of this paper is to propose a formal context model...
In the paper, it refers to the concepts of ontology, OWL and context, different context information is defined by the tuple method, and establishes the model of context-awareness based on ontology in Smart-Home, and then it introduces the model of reasoning and memory in detail; and studies the affections of ontology on the two models. At last, the paper explains the application of model by using...
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