Social simulation implies two preconditions: determining a population and simulate the information diffusion within it. A population represents a group of interconnected individuals sharing information. In this paper, the population we generate is detailed by socio-cultural features, specifically the way that people tend to link together. To this end, the use of a social network is a little bit restrictive: people are linked by only one relationship. Multidimensional Social Networks (MSN) model 3D social networks where each dimension represent a kind of relationship [1]. This architecture allows us to better represent the diversity of humans relations but also define distinctive rules for the message diffusion simulation. The inner idea is that information disseminates differently according to the links through which the information propagates. So, we present in this paper the modeling of our MSN based on social science and a simulation using propagation rules set for each dimension.
a b s t r a c tEnterprises information systems (EIS) take benefits of latest advanced of web services and Internet of things to improve information retrieving and gathering for decision making. Furthermore, EIS should permit a more comprehensive information routing in the company within an electronic workflow in order to save time, cost and to reduce production impact on the environment. Such software has to interact frequently with real world data acquired by different sensors. Nevertheless this combination of software and hardware devices frequently faces interoperability problems. Also, testing and validating the EIS is not trivial without testing in real condition that can lead to deploy the large system. Authors assumed that testing and validating part of the system behaviour can be anticipated progressively by simulation, permitting then more progressive and confident system integration. This paper proposes to introduce a new workflow demonstration platform to combine simulation world with real world interacting with sensor, human interfacing and web service calls. In detail, this paper proposes to combine the Taverna Workflow tool, which handles and triggers web services call proposed by a platform server, to other software components. This combination has revealed one drawback of major workflows orchestrators; they do not provide time management facilities to handle synchronization during parallel execution of interdependent workflows. To overcome that limitation a clock ordering solution has been added by reusing G-DEVS/HLA to synchronize workflows running in parallel. The imbrications of G-DEVS M&S with Taverna workflow is now operating thanks to HLA. This work is validated by demonstrating the interoperability and the complementarity of these approaches on a logistic platform study case.
Modeling and Simulation (M&S) are important steps in the design of industrial systems and production plants. They help in anticipating and understanding these complex systems in order to make decisions about strategic implementations before effective development. Once the models are satisfyingly built, namely they correctly reflect the system, the simulation can offer many behavioral information to the user. In this paper, we are proposing to integrate risk management, hazard generation, and complexity issues in process modeling with data coming from industrial context: polar power plant design. In this context, risks and hazards must be modeled, but are too large to be in the main model. For this purpose, the paper presents some extensions to the modeling and simulation open source tool: Papyrus. This proposition consists in developing the Papyrus features for outsourcing risks and hazards out of the model, exporting simulation's data in different components for decision making, and implementing distributed simulation mechanisms for dealing with reusability, and interoperability of components.
Market competition is pushing companies to differentiate themselves from competitors by developing customized services in addition to their original production (either physical or digital). It drives the emergence of service process modelling to describe more precisely the composition of services. Nevertheless, business initiatives modelling can be very complex to set, laying at the heart of many business decisions and demanding a lot of time and effort to handle and operate unambiguously. A well-designed and well-built business model can lower the risk of operating a service process and in consequence making enterprises more successful in their objectives. To this end, the paper recalls the MDSEA methodology and presents the key concept of the transformation of EA* and BPMN concepts into simulation Workflows. Then it introduces the implementation done with the SLMToolBox that is an Eclipse RCP service graphical modeler, model transformer, and simulation engine. In more details, it runs transformation from service processes models designed by business users to BPMN models. Then the BPMN models can be transformed to DEVS models to simulate the behavior of the entire process model. In addition, enterprises are facing situations where future (undeveloped yet) enterprise services need to be integrated with existing ones. To go further and for a better integration and deployment of service models in the enterprise, we propose to combine service process M&S with service calls execution Workflow. To achieve that goal, we are mashing up simulation of services modelled with existing enterprise web services calls. The interoperability between real and simulated services is handled by the tool Taverna Workflow and HLA RTI. This step is pushing one step further the expertise in the MDSEA methodology, attempting to pave the way from service design to IT development.
Modeling and Simulation are becoming more and more complex, making their design very challenging. Modeling and Simulation of complex systems requires simultaneous consideration of several points of view and the study of these systems needs skills belonging to different scientific fields. In Distributed Simulation domain, IEEE 1516-2010 -High Level Architecture (HLA) is one of the most used standard. However, it does not provide any official graphical language for defining distributed simulation behaviors. Business Process Model and Notation standard could be an interesting solution for defining HLA execution scenario. This paper present application experiment applied to solar power plant. Our proposition consists in restrict the HLA execution process in order to use one federate as Master, controlling the others as Slaves. This allows us to generate a component responsible for the simulation execution process with parsing a Business Process Model and Notation diagram. In this paper, we present an application of this concept.
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