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Advances in wireless communication and powerful computing technologies will eventually lead to a digital environment in which computing functionality will be embedded in all kinds of objects, which are capable of recognizing and responding to individual needs in a seamless, unobtrusive, and often invisible way. Such a vision was coined Ambient Intelligence (AmI), whose aim is to bring information...
A smart meeting room usually refers to a working environment, which can provide meeting attendees with a highly effective information acquisition and exchange space, with an aim to improve the working and decision-making efficiency. Concerning on the needs of attendees in a smart meeting room, this paper explores the issue of how to make computing devices interoperate spontaneously based on context-awareness...
Context-aware database is frequently used in user-centric applications. The users normally tend to express their preferences through comparisons. For example, Bob prefers Cornell to USC. Because the users only compare a small proportion of the products under difference contexts, ??incomplete?? preferences are a common occurrence. We propose a ranking approach which can contextually rank the query...
In comparison to people's normal meetings made by appointments beforehand, ad-hoc meetings refer to the ones which are instantaneously demanded and conducted with no strict plans in advance. Dropping by in one's office to inquire something, borrow something, or ask for approval, etc. are examples of such ad-hoc meetings. Ad-hoc meetings usually take a short period of time in minutes, and meeting channels...
Almost all context-aware systems have two indispensable components - context provider and context consumer. The former is responsible for supplying diverse context information about users and environments, while the later makes use of context information in building context-aware applications. The diversity of context information from heterogeneous context suppliers to different consumers justifies...
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