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In pervasive computing environment the contexts are usually imprecise and incomplete due to unreliable connectivity, user mobility, and resource constraints. In this paper we present an approach based on the Dempster-Shafer Theory (DST) for the reasoning with imprecise context. To solve the two fundamental issues of the DST, computation intensiveness and the Zadeh paradox, we filer out excrescent...
Ever increasing efforts are spent in developing techniques and tools for a full exploitation of semantics in mobile environments, able to overcome volatility and resource limitations of mobile contexts. This paper presents a platform-independent mobile semantic discovery framework as well as a working prototypical implementation which enables advanced knowledge-based services taking into account user's...
Pervasive computing will fundamentally change the way people interact with computers. By observing our actions on an unprecedented scale, the technology will enable new services and applications without the need for direct interaction from the user. However, research has shown that excessive levels of monitoring/data collection can cause undesirable effects on users. Researchers have begun to study...
The following topics are dealt with: Web intelligence; World Wide Web; Web information retrieval; information filtering; ontology engineering; semantic Web; Web mining; social networks; ubiquitous intelligence; and Web agents.
Context-aware computing is widely accepted as a promising paradigm to enable seamless computing. Several middlewares and ontology-based models for describing context information have been developed in order to support context-aware applications. However, the context variability, which refers to the possibility to infer or interpret different context information from different perspectives, has been...
The distribution task has typical characteristics of dynamic mobility: the environment variable, time constraints, therefore, how to create a task with a good adaptive distribution knowledge service system to support collaborative management of the distribution task, has been the attention focus of scholars. This paper defines four task contexts, customer context, product context, resource context...
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