Browsing by Subject "Multi agent systems"

Now showing items 1-20 of 33

    • Article  

      ABA: Argumentation based agents 

      Kakas, Antonis C.; Amgoud, L.; Kern-Isberner, G.; Maudet, N.; Moraïtis, Pavlos (2012)
      Many works have identified the potential benefits of using argumentation in multiagent settings, as a way to implement the capabilities of agents (eg. decision making, communication, negotiation) when confronted with ...
    • Conference Object  

      Argumentation Based Decision Making for Autonomous Agents 

      Kakas, Antonis C.; Moraïtis, Pavlos (2003)
      This paper presents an argumentation based framework to support the decision making of an agent within a modular architecture for agents. The proposed argumentation framework is dynamic, with arguments and their strength ...
    • Article  

      Argumentation based modelling of embedded agent dialogues 

      Dimopoulos, Yannis; Kakas, Antonis C.; Moraïtis, Pavlos (2006)
      This paper presents a novel approach to modelling embedded agent dialogues. It proposes a specific structure for the supporting information accompanying the arguments that agents exchange during a dialogue, it defines ...
    • Article  

      Argumentative agent deliberation, roles and context 

      Kakas, Antonis C.; Moraïtis, Pavlos (2002)
      This paper presents an argumentation based framework to support an agent's deliberation process for drawing conclusions under a given policy. The argumentative policy of the agent is able to take into account the roles ...
    • Conference Object  

      Argumentative alternating offers 

      Hadidi, N.; Dimopoulos, Yannis; Moraïtis, Pavlos (International Foundation for Autonomous Agents and Multiagent Systems (IFAAMAS), 2010)
      This paper presents an argumentative version of the well known alternating offers negotiation protocol. The negotiation mechanism is based on an abstract preference based argumentation framework where both epistcmic and ...
    • Article  

      Argumentative alternating offers 

      Hadidi, N.; Dimopoulos, Yannis; Moraïtis, Pavlos (2011)
      This paper presents an argumentative version of the well known alternating offers negotiation protocol. The negotiation mechanism is based on an abstract preference based argumentation framework where both epistemic and ...
    • Conference Object  

      Control of quantized multi-agent systems with linear nearest neighbor rules: A finite field approach 

      Sundaram, S.; Hadjicostis, Christoforos N. (2010)
      We study the problem of controlling a multi-agent system where each agent is only allowed to be in a discrete and finite set of states. Each agent is capable of updating its state based on the states of its neighbors, and ...
    • Article  

      A Data-Driven Framework for Visual Crowd Analysis 

      Charalambous, Panayiotis; Karamouzas, I.; Guy, S. J.; Chrysanthou, Yiorgos L. (2014)
      We present a novel approach for analyzing the quality of multi-agent crowd simulation algorithms. Our approach is data-driven, taking as input a set of user-defined metrics and reference training data, either synthetic or ...
    • Article  

      Declarative agent control 

      Kakas, Antonis C.; Mancarella, P.; Sadri, F.; Stathis, Kostas; Toni, F. (2005)
      In this work, we extend the architecture of agents (and robots) based upon fixed, one-size-fits-all cycles of operation, by providing a framework of declarative specification of agent control. Control is given in terms of ...
    • Conference Object  

      Distributed formation of balanced and bistochastic weighted digraphs in multi-agent systems 

      Charalambous, T.; Hadjicostis, Christoforos N. (2013)
      We propose two distributed algorithms, one for solving the weight-balance problem and another for solving the bistochastic matrix formation problem, in a distributed system whose components (nodes) can exchange information ...
    • Article  

      Distributed function calculation and consensus using linear iterative strategies 

      Sundaram, S.; Hadjicostis, Christoforos N. (2008)
      Given an arbitrary network of interconnected nodes, we develop and analyze a distributed strategy that enables a subset of the nodes to calculate any given function of the node values. Our scheme utilizes a linear iteration ...
    • Article  

      Distributed function calculation via linear iterative strategies in the presence of malicious agents 

      Sundaram, S.; Hadjicostis, Christoforos N. (2011)
      Given a network of interconnected nodes, each with its own value (such as a measurement, position, vote, or other data), we develop a distributed strategy that enables some or all of the nodes to calculate any arbitrary ...
    • Article  

      Distributed stopping for average consensus in undirected graphs via event-triggered strategies 

      Manitara, N. E.; Hadjicostis, Christoforos N. (2016)
      We develop and analyze two distributed event-triggered linear iterative algorithms that enable the components of a distributed system, each with some initial value, to reach approximate average consensus on their initial ...
    • Article  

      Editorial: Why coordination models and languages in AI? 

      Omicini, A.; Papadopoulos, George Angelos (2001)
      The pervasive spreading of information technology, along with the continuously growing and almost ubiquitous request for intelligence in systems, is giving new life to AI research. At the same time, this introduces new ...
    • Article  

      An evaluation of the java-based approaches to web database access 

      Papastavrou, Stavros; Chrysanthis, Panos K.; Samaras, George S.; Pitoura, Evaggelia 1967- (2000)
      Given the undeniable popularity of the Web, providing efficient and secure access to remote databases using a Web browser is crucial for the emerging cooperative information systems and applications. In this paper, we ...
    • Conference Object  

      Extending SATPLAN to multiple agents 

      Dimopoulos, Yannis; Hashmi, M. A.; Moraïtis, Pavlos (2011)
      Multi-agent planning is a core issue in the multi-agent systems field. In this work we focus on the coordination of multiple agents in a setting where agents are able to achieve individual goals that may be either independent, ...
    • Article  

      An extension of a hierarchical reinforcement learning algorithm for multiagent settings 

      Lambrou, Ioannis; Vassiliades, Vassilis; Christodoulou, Chris C. (2012)
      This paper compares and investigates single-agent reinforcement learning (RL) algorithms on the simple and an extended taxi problem domain, and multiagent RL algorithms on a multiagent extension of the simple taxi problem ...
    • Article  

      Fine-grained parallelism in dynamic Web content generation: The parse and dispatch approach 

      Papastavrou, Stavros; Samaras, George S.; Evripidou, Paraskevas; Chrysanthis, Panos K. (2003)
      Dynamic Web content is gaining in popularity over traditional static HTML as the means of providing Web users with personalized and dynamic information. To enable dynamic content, various technologies have been developed ...
    • Article  

      A general framework for argumentation-based negotiation 

      Amgoud, L.; Dimopoulos, Yannis; Moraïtis, Pavlos (2008)
      This paper proposes a unified and general framework for argumentation-based negotiation, in which the role of argumentation is formally analyzed. The framework makes it possible to study the outcomes of an argumentation-based ...
    • Conference Object  

      How valuable are shopbots? 

      Markopoulos, Panos M.; Kephart, J. O. (Association for Computing Machinery, 2002)
      The price information that shopbots provide to buyers is clearly valuable, as it enables them to make a better informed choice of product and vendor. We quantify the value of this price information to the buyer in terms ...