In the wireless sensor networks research area are resources the most common problem. Wireless sensor network is created by rather small nodes, which have limited computing power. They also have small batteries that ensure only limited time to run. There is need to create applications for wireless sensor networks that will be aware of these limitations. For modelling application for such a sensor network there is useful to have a common framework that will ensure usage of the best practises for creating an application for the network.We have created methodology to provide the framework for creating an energy efficient application. This methodology is called JESTER and this paper describes step by step case study that will show how the methodology works and how should be treated. At the end of this paper we provide output from the methodology, the model of created application.

Modeling distributed system and modeling intelligent system means that we create a model of a system with corresponding behavior. Multiagent systems are complex systems implementing a platform which is responsible for agent management including inter-agent communication, an agent specification, its behavior, etc. There are many agent platforms that are primarily intended for different applications. The paper deals with an integration of T-Mass and PNagent agent platforms. PNagent implements agents using Petri Nets allowing high-level view to the designed system while T-Mass was developed for usage in systems with limited resources, e.g., Wireless Sensor Networks. The integration is made using the JADE platform as a common base.

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