Complex and distributed systems are more and more associated with the application of WSN (Wireless Sensor Network) technology. The design of such applications presents important challenges and requires the assistance of several methodologies and tools. Multi-Agent systems (MAS) have been identified as one of the most suitable technologies to contribute to this domain due to their appropriateness for modeling distributed and autonomous complex systems. This work aims to contribute in the help of

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... the design of WSN applications. The proposed architecture exploits the advantages of MAS for modeling WSN services, network topologies and sensor device architectures. Energy Management Due to the energetic resources restriction, both local and global power consumption management is necessary in order to increase the lifetime of the network. Each node can locally control its devices operations (sensing, processing, communication, etc.) according to the present energy. A good tasks scheduling must take in consideration the energetic capability of each node. Query Management Since the WSN is used to response to different kind of