نتایج جستجو برای: based complex

تعداد نتایج: 3527271  

Journal: :J. Artificial Societies and Social Simulation 2012
H. Van Dyke Parunak

Agent-based modeling is a new technique for understanding how the dynamics of biological, social, and other complex systems arise from the characteristics and behaviors of the agents making up these systems. This innovative textbook gives students and scientists the skills to design, implement, and analyze agent-based models. It starts with the fundamentals of modeling and provides an introduct...

2011
Kassem Saleh

Total System Assurance (TSA) deals with assuring the security of all system components by considering all potential risks. This comprehensive approach to system assurance tackles security from multiple points of views, thus ensuring the highest possible level of assurance. In this paper we illustrate the TSA approach by considering a complex system running a mobile agent-based wireless sensor n...

2004
Robert Burke

The entertainment world is teeming with applications for expressive, adaptive agents. Many such applications feature some sort of “creatures” – anthropomorphic or non – that must maintain the illusion of life while interacting with one another, as well as with human participants. This chapter discusses approaches to implementing these creatures. It begins by describing an agent-based architectu...

2004
Tadeusz Januszkiewicz Jacek Świa̧tkowski

We introduce a family of conditions on a simplicial complex that we call local klargeness (k ≥ 6 is an integer). They are simply stated, combinatorial and easily checkable. One of our themes is that local 6-largeness is a good analogue of the nonpositive curvature: locally 6-large spaces have many properties similar to nonpositively curved ones. However, local 6-largeness neither implies nor is...

2006
Yuqing Tang Simon Parsons Elizabeth Sklar

Agent-based simulation is increasingly used to analyze the performance of complex systems. In this paper we describe results of our work on one specific agent-based model, showing how it can be validated against the equation-based model from which it was derived, and demonstrating the extent to which it can be used to derive additional results over and above those that the equation-based model ...

2003
Mauro Gallegati Gianfranco Giulioni Nozomi Kichiji

In this paper, we model an agent-based economy in which heterogeneous agents (firms and a bank) interact in the financial markets. The heterogeneity is due to the balance sheet conditions and to size. In our simulations, at the aggregate level, output displays changes in trend and volatility giving rise to complex dynamics. The average solvency and liquidity ratios peak during recessions as emp...

2017
Matthew Lou-Magnuson Luca Onnis

Natural languages vary widely in the degree to which they make use of hierarchical composition in their grammars, in particular, the degree to which syntactic versus morphological means of composition are utilized. Languages historically spoken in small communities develop much deeper levels of morphological embedding than those spoken by larger groups, an observation confirmed by a statistical...

2006
Roberto Serra Marco Villani

Differential equations and agent-based models are different formalisms which can be applied to describe the evolution of complex systems. In this paper it is shown how differential equations can describe interactions among agents: it is pointed out that their capabilities are broader than it is often assumed, and it is argued that such an approach should be preferred whenever applicable. It is ...

2006
Paul Davidsson Johan Holmgren Hans Kyhlbäck Dawit Mengistu Marie Persson

This paper provides a survey and analysis of applications of Agent Based Simulation (ABS). A framework for describing and assessing the applications is presented and systematically applied. A general conclusion from the study is that even if ABS seems a promising approach to many problems involving simulation of complex systems of interacting entities, it seems as the full potential of the agen...

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