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Forest fires cause immeasurable damages to indispensable resources for human survival, destroy the balance of earth ecology and worst of all they frequently cost human lives. In recent years, early fire detection systems have been emerged to provide monitoring and prevention of the disasterous forest fires. Among them, the Meleager1 system aims to offer one of the most advanced and integrated technology...
Fire is a common disastrous phenomenon that constitutes a serious threat. The SCIER (Sensor and Computing Infrastructure for Environmental Risks is partially funded by the European Community through the FP6 IST Program. The work presented in this paper expresses the ideas of the authors and not necessarily the whole SCIER consortium.) project envisages the deployment of Wireless Sensor Networks at...
Context-aware applications sense, combine and reason about contextual information in order to determine and adapt to the current user's context. A very important problem associated with context is the inherent ambiguity and inaccuracy. Contextual information is typically pervaded with imperfect sensing (e.g., noise of sensor readings). A novel context fusion model that represents, determines and reasons...
Fires are a common, disastrous phenomenon that constitutes a serious threat. Thus, early detection is of great importance as the consequences of a fire are catastrophic. Towards this direction the SCIER project envisages the deployment of wireless sensor networks at the "urban-rural-interface" (URI) and uses sensor fusion techniques to enhance the performance of the early fire detection...
In this paper we discuss a system that exploits observations derived from sensors, in order to estimate a key factor for pervasive computing and context aware applications: the location of a user. The term "sensors" includes Wi-Fi adapters, IR receivers, etc. The core of the system is the fusion engine which is based on dynamic Bayesian networks (DBNs), a powerful mathematical tool for integrating...
The scheduling paradigm offers an alternative execution model for services and applications, which is of particular interest for the enterprise domain. Therefore, task scheduling is considered as an integral part of many contemporary information systems and service platforms. In this paper we present, the architectural aspects of an integrated scheduling framework, targeted to the mobile applications...
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