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Wyświetlanie 1-15 z 119
Tytuł:
Building multi-agent models applied to supply chain management
Autorzy:
Nawarecki, E.
Koźlak, J.
Powiązania:
https://bibliotekanauki.pl/articles/971016.pdf
Data publikacji:
2010
Wydawca:
Polska Akademia Nauk. Instytut Badań Systemowych PAN
Tematy:
multi-agent systems
multi-agent methodologies
supply chain management
Opis:
In this paper, a model of a multi-agent system for modelling and optimising supply chains is presented. The most popular methodologies of developing multi-agent systems and selected applications of the agent approach to modelling and optimisation of supply chains are described in brief. A pilot realisation of such a system is also presented, together with a selection of the subsequent experimental results obtained.
Źródło:
Control and Cybernetics; 2010, 39, 1; 149-176
0324-8569
Pojawia się w:
Control and Cybernetics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Simulation Model of Biometric Authentication Using Multiagent Approach
Autorzy:
Kapczyński, A.
Owczarek, T.
Powiązania:
https://bibliotekanauki.pl/articles/308541.pdf
Data publikacji:
2010
Wydawca:
Instytut Łączności - Państwowy Instytut Badawczy
Tematy:
biometrics
multi-agent
multimodal
simulation
Opis:
In this article authors present the concept of application of multiagent approach in modeling biometric authentication systems. After short introduction, we present a short primer to multiagent technology. Next, we depict current state of the art related to biometrics combined with multiagent approach. In the next part of the work we present four exemplary simulation models of biometric authentication environments as well as the results of their examination.
Źródło:
Journal of Telecommunications and Information Technology; 2010, 4; 68-74
1509-4553
1899-8852
Pojawia się w:
Journal of Telecommunications and Information Technology
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Agent-based data integration framework
Autorzy:
Faber, Ł.
Powiązania:
https://bibliotekanauki.pl/articles/305369.pdf
Data publikacji:
2014
Wydawca:
Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH
Tematy:
data integration
multi-agent systems
Opis:
Combining data from diverse, heterogeneous sources while facilitating a unified access to it is an important (albeit difficult) task. There are various possibilities of performing it. In this publication, we propose and describe an agent-based framework dedicated to acquiring and processing distributed, heterogeneous data collected from diverse sources (e.g., the Internet, external software, relational, and document databases). Using this multi-agent-based approach in the aspects of the general architecture (the organization and management of the framework), we create a proof-of-concept implementation. The approach is presented using a sample scenario in which the system is used to search for personal and professional profiles of scientists.
Źródło:
Computer Science; 2014, 15 (4); 389-410
1508-2806
2300-7036
Pojawia się w:
Computer Science
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Controllability of consensus heterogeneous multi-agent networks over continuous time scale
Autorzy:
Athira, V. S.
Muni, Vijayakumar S.
Rafeek, Kallu Vetty Muhammed
Reddy, Gudala Janardhana
Powiązania:
https://bibliotekanauki.pl/articles/31343938.pdf
Data publikacji:
2023
Wydawca:
Polska Akademia Nauk. Instytut Badań Systemowych PAN
Tematy:
multi-agent systems
controllability
heterogeneous
agent models
Opis:
The research, presented in this paper, concernes the controllability of a multi-agent network with a directed, unweighted, cooperative, and time-invariant communication topology. The network’s agents follow linear and heterogeneous dynamics, encompassing first-order, second-order, and third-order differential equations over continuous time. Two classes of neighbour-based linear distributed control protocols are considered: the first one utilises average feedback from relative velocities/relative accelerations, and the second one utilises feedback from absolute velocities/absolute accelerations. Under both protocols, the network’s agents achieve consensus in their states asymptotically. We observe that both of the considered dynamical rules exploit the random-walk normalised Laplacian matrix of the network’s graph. By categorising the agents of the network into leaders and followers, with leaders serving as exogenous control inputs, we analyse the controllability of followers within their state space through the influence of leaders. Specifically, matrix-rank conditions are established to evaluate the leader– follower controllability of the network under both control protocols. These matrix-rank conditions are further refined in terms of the system matrices’ eigenvalues and eigenvectors. The inference diagrams presented in this work provide deeper insights into how leader– follower interactions impact the network controllability. The efficacy of the theoretical findings is validated through numerical examples.
Źródło:
Control and Cybernetics; 2023, 52, 2; 199-245
0324-8569
Pojawia się w:
Control and Cybernetics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Tax Compliance and Public Goods Provision. An Agent-based Econophysics Approach
Autorzy:
Hokamp, Sascha
Seibold, Götz
Powiązania:
https://bibliotekanauki.pl/articles/2076597.pdf
Data publikacji:
2014
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
tax compliance
econophysics
multi-agent model
Opis:
We calculate the dynamics of tax evasion within a multi-agent econophysics model which is adopted from the theory of magnetism and previously has been shown to capture the main characteristics from agent-based based models which build on the standard Allingham and Sandmo approach. In particular, we implement a feedback of public goods provision on the decision-making of selfish agents which aim to pursue their self interest. Our results imply that such a feedback enhances the moral attitude of selfish agents thus reducing the percentage of tax evasion. Two parameters govern the behavior of selfish agents, (i) the rate of adaption to changes in public goods provision and (ii) the threshold of perception of public goods provision. Furtheron we analyze the tax evasion dynamics for different agent compositions and under the feedback of public goods provision. We conclude that policymakers may enhance tax compliance behavior via the threshold of perception by means of targeted public relations.
Źródło:
Central European Journal of Economic Modelling and Econometrics; 2014, 4; 217-236
2080-0886
2080-119X
Pojawia się w:
Central European Journal of Economic Modelling and Econometrics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Planning System for Multi-Agent Based Reconfigurable Fixtures
Autorzy:
Szynkiewicz, W.
Powiązania:
https://bibliotekanauki.pl/articles/308493.pdf
Data publikacji:
2010
Wydawca:
Instytut Łączności - Państwowy Instytut Badawczy
Tematy:
fixture planner
multi-agent systems
optimization
Opis:
This paper describes a concept of the planning system for self adaptable, reconfigurable fixtures composed of mobile locators (robotic agents) that can freely move on a bench and reposition below the supported part, without removing the part from the fixture. The main role of the planner is to generate the admissible plan of relocation of the mobile agents. A constrained nonlinear optimization problem is formulated to find the optimal locations for supporting heads.
Źródło:
Journal of Telecommunications and Information Technology; 2010, 3; 71-76
1509-4553
1899-8852
Pojawia się w:
Journal of Telecommunications and Information Technology
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Niching in evolutionary multi-agent systems
Autorzy:
Krzywicki, D.
Powiązania:
https://bibliotekanauki.pl/articles/305774.pdf
Data publikacji:
2013
Wydawca:
Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH
Tematy:
niching
evolutionary algorithms
multi-agent systems
Opis:
Niching is a group of techniques used in evolutionary algorithms, useful in several types of problems, including multimodal or nonstationary optimization. This paper investigates the applicability of these methods to evolutionary multi-agent systems (EMAS), a hybrid model combining the advantages of evolutionary algorithms and multi-agent systems. This could increase the efficiency of this type of algorithms and allow to apply them to a wider class of problems. As a starting point, a simple but flexible EMAS framework is proposed. Then, it is shown how to extend this framework in order to introduce niching, by adapting two classical niching methods. Finally, preliminary experimental results show the efficiency and the simultaneous discovery of multiple optima by this modified EMAS.
Źródło:
Computer Science; 2013, 14 (1); 77-95
1508-2806
2300-7036
Pojawia się w:
Computer Science
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Fine tuning of agent-based evolutionary computing
Autorzy:
Mizera, Michal
Nowotarski, Pawel
Byrski, Aleksander
Kisiel-Dorohinicki, Marek
Powiązania:
https://bibliotekanauki.pl/articles/91820.pdf
Data publikacji:
2019
Wydawca:
Społeczna Akademia Nauk w Łodzi. Polskie Towarzystwo Sieci Neuronowych
Tematy:
multi-agent systems
metaheuristics
evolutionary computing
Opis:
Evolutionary Multi-agent System introduced by late Krzysztof Cetnarowicz and developed further at the AGH University of Science and Technology became a reliable optimization system, both proven experimentally and theoretically. This paper follows a work of Byrski further testing and analyzing the efficacy of this metaheuristic based on popular, high-dimensional benchmark functions. The contents of this paper will be useful for anybody willing to apply this computing algorithm to continuous and not only optimization.
Źródło:
Journal of Artificial Intelligence and Soft Computing Research; 2019, 9, 2; 81-97
2083-2567
2449-6499
Pojawia się w:
Journal of Artificial Intelligence and Soft Computing Research
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
THE IMPACT OF SALES SERVICE IN MAREA TRADING SIMULATION UNDER CHANGING ENVIRONMENT CIRCUMSTANCES
Autorzy:
Sperka, Roman
Halaska, Michal
Powiązania:
https://bibliotekanauki.pl/articles/517150.pdf
Data publikacji:
2017
Wydawca:
Instytut Badań Gospodarczych
Tematy:
multi-agent system
simulation
model
trading
MAREA
Opis:
Research background: Managerial scientists use a lot of modelling techniques for business processes. In this paper we are focused on agent-based modelling and simulations, which emerged in the last two decades as a new approach. Autonomous and interacting intelligent agents are able to model and simulate complex systems in the business sphere. With the use of agent-based modelling and simulations we are able to understand how macro level outcomes are affected by micro level processes and vice versa. Purpose of the article: The purpose of the paper is to introduce recent development in the area of agent-based modelling and simulations focused on the business domain. Managers often have to make difficult decisions under the uncertainty and high risks. Agent-based modelling can provide powerful tools for lowering those risks through a possibility of running experiments, which is normally impossible in economics. In the second part we want to support the usefulness of agent-based simulations with our own simulations. Methods: The method used in this article is an agent-based simulation in a multi-agent system. We use a framework called MAREA. It is a simulation environment with integrated ERP system based on REA ontology. Our simulation model is based on a retail company that sells electronics. For simplicity, in our setup we trade with computer cables. Findings & Value added: In our simulations we experimented with the quality of sales service provided by company’s sales representatives. We investigated the impact of quality of sales service on company KPIs under the changing environment circumstances represented by disturbance agent. The quality of sales service is a part of quality of service and thus it affects the perception of brand and loyalty of customers towards the company. In our simulation setup we work with two types of customers, long-term customers and new ones. The result is that quality of sales service has mostly positive effects on company KPIs.
Źródło:
Equilibrium. Quarterly Journal of Economics and Economic Policy; 2017, 12, 2; 355-371
1689-765X
2353-3293
Pojawia się w:
Equilibrium. Quarterly Journal of Economics and Economic Policy
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Negocjacje w systemach wieloagentowych z zastosowaniem standardów FIPA
Negotiations in Multi-Agent Systems Using FIPA Standards
Autorzy:
Stanek, Stanisław
Żytniewski, Mariusz
Powiązania:
https://bibliotekanauki.pl/articles/593390.pdf
Data publikacji:
2013
Wydawca:
Uniwersytet Ekonomiczny w Katowicach
Tematy:
Negocjacje
Systemy multiagentowe
Multi-agent system
Negotiations
Opis:
The key standards for negotiation in multi agent systems are considered. Multiagent systems represent one of the most promising technological paradigms for the development of autonomous, distributed, open and intelligent software systems. Particularly because the agents are autonomous and cannot be assumed to be benevolent negotiation is critical to resolve conflicts. Examples of conflicts include conflicts over the usage of joint resources or task assignments and conflicts between a buyer and a seller in electronic commerce. The process of negotiations may be of many different forms, such as auctions, protocols in the style of the contract net, and argumentation. The paper focuses on the analysis of specification standards provided by FIPA (Foundation of Intelligent Physical Agents). The first part of the study will present basic information about the negotiations in multi-agent systems. For this purpose, will be shown the importance of negotiations in modeling interactions software agents, types of messages used in multi-agent systems using standard FIPA ACL and options for online auctions, which can be aided by software agents. The second part will present the commonly used protocols consistent with FIPA specifications. To this end, we will discuss eleven diagrams depicting the model sequences of interaction agents. Their use can be found in the construction of multi-agent systems.
Źródło:
Studia Ekonomiczne; 2013, 138; 141-160
2083-8611
Pojawia się w:
Studia Ekonomiczne
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Integration of multiagent crossing controllers for measure-oriented traffic control
Autorzy:
Trochonowicz, W.
Powiązania:
https://bibliotekanauki.pl/articles/106172.pdf
Data publikacji:
2013
Wydawca:
Uniwersytet Marii Curie-Skłodowskiej. Wydawnictwo Uniwersytetu Marii Curie-Skłodowskiej
Tematy:
multi-agent systems
traffic control
sensors
MATSim
Opis:
In this paper we will present an integration of multiagent crossing controllers for measure oriented traffic control. It is the basis for the future multiagent traffic control system which uses measure oriented approach to control traffic. This integrated architecture gives us the possibility to react to the dynamic changes of traffic thanks to the data it can gather with its sensors.
Źródło:
Annales Universitatis Mariae Curie-Skłodowska. Sectio AI, Informatica; 2013, 13, 1; 97-105
1732-1360
2083-3628
Pojawia się w:
Annales Universitatis Mariae Curie-Skłodowska. Sectio AI, Informatica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Evolutionary multi-agent system with crowding factor and mass center mechanisms for multiobjective optimisation
Autorzy:
Różański, Mateusz
Siwik, Leszek
Powiązania:
https://bibliotekanauki.pl/articles/305591.pdf
Data publikacji:
2019
Wydawca:
Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH
Tematy:
evolutionary computation
multi-agent system
multiobjective optimisation
Opis:
This work presents some additional mechanisms for Evolutionary Multi-Agent Systems for Multiobjective Optimisation trying to solve problems with population stagnation and loss of diversity. Those mechanisms reward solutions located in a less crowded neighborhood and on edges of the frontier. Both techniques have been described and also some preliminary results have been shown.
Źródło:
Computer Science; 2019, 20 (3); 343-367
1508-2806
2300-7036
Pojawia się w:
Computer Science
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Evolutionary multi-agent computing in inverse problems
Autorzy:
Wróbel, K.
Torba, P.
Paszyński, M
Byrski, A.
Powiązania:
https://bibliotekanauki.pl/articles/305816.pdf
Data publikacji:
2013
Wydawca:
Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH
Tematy:
multi-agent systems
evolutionary computation
inverse problems
Opis:
This paper tackles the application of evolutionary multi-agent computing to solve inverse problems. High costs of fitness function call become a major difficulty when approaching these problems with population-based heuristics. However, evolutionary agent-based systems (EMAS) turn out to reduce the fitness function calls, which makes them a possible weapon of choice against them. This paper recalls the basics of EMAS and describes the considered problem (Step and Flash Imprint Lithography), and later, shows convincing results that EMAS is more effective than a classical evolutionary algorithm.
Źródło:
Computer Science; 2013, 14 (3); 367-383
1508-2806
2300-7036
Pojawia się w:
Computer Science
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Wspomaganie twórczości organizacyjnej na podstawie systemów agentowych
Agent systems to support organizational creativity
Autorzy:
Bartuś, Tomasz
Powiązania:
https://bibliotekanauki.pl/articles/588325.pdf
Data publikacji:
2015
Wydawca:
Uniwersytet Ekonomiczny w Katowicach
Tematy:
Inteligentny agent
Multi agent system
Twórczość organizacyjna
Intelligence agent
Organizational creativity
Opis:
Niniejszy artykuł opisuje wykorzystanie podejścia wieloagentowego do wspierania twórczości organizacyjnej. Dlatego aby pokazać możliwości systemu agen- towego scharakteryzowano termin inteligentny agent i systemy wieloagentowe. Na tej podstawie opisano warunki stosowalności inteligentnych agentów w twórczości organi-zacyjnej. Wynikiem końcowym przedstawionych dociekań jest propozycja warunków, które powinny być spełnione przy wspomaganiu twórczości organizacyjnej przez syste-my agentowe.
This paper describes the use of multi-agent approach to support the organiza¬tional creativity. In order to show capabilities of the agent systems the terms intelligent agent and multi-agent systems were characterized. On this basis the conditions of appli¬cability of intelligent agents in organizational creativity were described. The final result of the submitted paper is the specification of conditions that should be satisfied by supporting the organization creativity with agent systems. The findings and outcomes should be useful for further research in this area.
Źródło:
Studia Ekonomiczne; 2015, 212; 14-22
2083-8611
Pojawia się w:
Studia Ekonomiczne
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
An approximate dynamic programming approach for semi-cooperative multi-agent resource management
Autorzy:
Boukhtouta, A.
Berger, J.
George, A.
Powell, W. B.
Powiązania:
https://bibliotekanauki.pl/articles/1396741.pdf
Data publikacji:
2012
Wydawca:
Społeczna Akademia Nauk w Łodzi. Polskie Towarzystwo Sieci Neuronowych
Tematy:
approximate dynamic programming
agent
semi-cooperative
multi-agent
resource management
Opis:
Complex problems involving multiple agents exhibit varying degrees of cooperation. The levels of cooperation might reflect both differences in information as well as differences in goals. In this research, we develop a general mathematical model for distributed, semicooperative planning and suggest a solution strategy which involves decomposing the system into subproblems, each of which is specified at a certain period in time and controlled by an agent. The agents communicate marginal values of resources to each other, possibly with distortion. We design experiments to demonstrate the benefits of communication between the agents and show that, with communication, the solution quality approaches that of the ideal situation where the entire problem is controlled by a single agent.
Źródło:
Journal of Artificial Intelligence and Soft Computing Research; 2012, 2, 3; 201-214
2083-2567
2449-6499
Pojawia się w:
Journal of Artificial Intelligence and Soft Computing Research
Dostawca treści:
Biblioteka Nauki
Artykuł
Wyświetlanie 1-15 z 119

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