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Wireless sensor networks (WSNs) have great potential for many distributed applications in different scenarios. As they grow in popularity and importance, it becomes increasingly desirable and necessary to share their data over the Internet. This paper presents an energy-aware middleware that focuses on integrating the Internet and WSNs at service level by providing transparency of access, location, and technology. In particular, it describes and evaluates the implemented strategies to reduce the energy consumption, which are essential for prolonging the WSN lifetime.
A gestão dos recursos hídricos vem passando por transformações tornando urgente o desenvolvimento de ferramentas de apoio à gestão e fiscalização, com caráter educativo e regulador. Este artigo tem como objetivo apresentar o desenvolvimento de um aplicativo que auxilie na atividade de fiscalização dos recursos hídricos utilizando sistemas de informações geográficas. Intitulado SIGFIS, utilizando o sistema operacional Android com linguagem de programação Kotlin, com dados em formatos georreferenciados e planos de informações, o aplicativo visa auxiliar os agentes fiscais em suas visitas a campo, acurácia nas autuações e agilidade nos serviços, visto que reúne informações relevantes e imprescindíveis ao seu trabalho
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