2013 IEEE/WIC/ACM International Joint Conferences on Web Intelligence (WI) and Intelligent Agent Technologies (IAT)

Volume 2 • 17-20 Nov. 2013

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  • IAT 2013 [front cover]

    Publication Year: 2013, Page(s): C4
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  • IAT 2013 [Title page i]

    Publication Year: 2013, Page(s): i
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  • IAT 2013 [Title page iii]

    Publication Year: 2013, Page(s): iii
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  • [IAT 2013 Copyright notice]

    Publication Year: 2013, Page(s): iv
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  • IAT 2013 Table of contents

    Publication Year: 2013, Page(s):v - x
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  • IAT 2013 Message from the Conference Chairs and Program Chairs

    Publication Year: 2013, Page(s):xi - xii
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  • IAT 2013 Conference Organization

    Publication Year: 2013, Page(s):xiii - xv
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  • IAT 2013 Program Committee

    Publication Year: 2013, Page(s):xvi - xviii
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  • IAT 2013 Non-PC Reviewers

    Publication Year: 2013, Page(s): xix
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  • IAT 2013 Sponsors

    Publication Year: 2013, Page(s): xx
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  • Games Played by Networked Players

    Publication Year: 2013, Page(s):1 - 8
    Cited by:  Papers (1)
    Request permission for reuse | Click to expandAbstract | PDF file iconPDF (215 KB) | HTML iconHTML

    This paper studies how some factors deviate human interaction from what classic game theory predicts. In particular, we focus on the factor of interpersonal relations among human players, which plays a crucial role in their strategy choosing in real-life games. For such a game, we characterise these relations by a directed and weighted social network, and discuss how to integrate its effect into t... View full abstract»

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  • Modeling Opinion Dynamics in a Social Network

    Publication Year: 2013, Page(s):9 - 16
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    Opinion dynamics is a complex procedure that entails a cognitive process when dealing with how a person integrates influential opinions to form a revised opinion. In this work, we present a new approach to model opinion dynamics by treating the opinion on an issue as a product inferred from one's knowledge bases, where the knowledge bases keep growing and updating through social interaction. A gen... View full abstract»

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  • Modeling and Analysis of Reliable Contract Net Protocol Using Timed Colored Petri Nets

    Publication Year: 2013, Page(s):17 - 24
    Cited by:  Papers (1)
    Request permission for reuse | Click to expandAbstract | PDF file iconPDF (384 KB) | HTML iconHTML

    Contract Net Protocol (CNP) is probably the most widely used task allocation protocol in distributed multi-agent systems (MAS). However it is limited in some issues and has serious drawbacks if it is applied in such real world applications where temporal interaction aspects are of great importance and fault-tolerance is a crucial issue. Many researchers have proposed various methods to expand and ... View full abstract»

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  • WikiCrimes as an Open Institutional Environment: A Study Case

    Publication Year: 2013, Page(s):25 - 30
    Request permission for reuse | Click to expandAbstract | PDF file iconPDF (261 KB) | HTML iconHTML

    WikiCrimes is a collaborative system where users can store information about crime occurrences in a georeferenced database. Anyone can access WikiCrimes to consult or add information to the database. In this paper we describe the further work done to extend the model and implementation of the WikiCrimes collaborative system as an Open Institutional Environment. The prototype implements an environm... View full abstract»

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  • Energy-Based Particle Swarm Optimization: Collective Energy Homeostasis in Social Autonomous Robots

    Publication Year: 2013, Page(s):31 - 37
    Request permission for reuse | Click to expandAbstract | PDF file iconPDF (303 KB) | HTML iconHTML

    Social robots, both when acting individually and in groups, need to manage their own energy use effectively. An uneven energy distribution in a swarm of robots performing a mission may prevent completion of the group's mission or reduce its tolerance for adverse events that occur during mission execution. The goal of effectively managing energy use in a swarm is known as collective energy homeosta... View full abstract»

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  • Distributed Cooperative Optimization on Cluster Trees

    Publication Year: 2013, Page(s):38 - 45
    Request permission for reuse | Click to expandAbstract | PDF file iconPDF (250 KB) | HTML iconHTML

    Resource allocation problems on resource supply networks are formalized with Distributed Constraint Optimization Problems. In previous studies, solution methods based on pseudo trees have been proposed. However, when the pseudo trees contain nodes of high degree and a large number of cycles, those methods are not applicable due to the large size of local problems in agents. Here, we employ cluster... View full abstract»

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  • Virtual Structure Reduction on Distributed K-Coloring Problems

    Publication Year: 2013, Page(s):46 - 52
    Request permission for reuse | Click to expandAbstract | PDF file iconPDF (322 KB) | HTML iconHTML

    Distributed Constraint Problem solving represents a fundamental research area in distributed artificial intelligence and multi-agent systems. The constraint density, or the ratio of the number of constraints to the number of variables, determines the difficulty of either finding a solution or minimizing the set of variable assignment conflicts in a constraint problem. Reducing the active density o... View full abstract»

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  • Distributed Local Search for Minimizing Envy

    Publication Year: 2013, Page(s):53 - 58
    Cited by:  Papers (1)
    Request permission for reuse | Click to expandAbstract | PDF file iconPDF (672 KB) | HTML iconHTML

    The allocation of indivisible resources to multiple agents typically generate envy among the agents. An Envy Free allocation may not exist in general and one can search for a minimal envy allocation. The search problem of minimizing envy for indivisible resource allocation is presented and a negotiation based transfer algorithm for solving it is proposed. The proposed algorithm performs a distribu... View full abstract»

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  • Predicting the Performance of Opponent Models in Automated Negotiation

    Publication Year: 2013, Page(s):59 - 66
    Cited by:  Papers (7)
    Request permission for reuse | Click to expandAbstract | PDF file iconPDF (495 KB) | HTML iconHTML

    When two agents settle a mutual concern by negotiating with each other, they usually do not share their preferences so as to avoid exploitation. In such a setting, the agents may need to analyze each other's behavior to make an estimation of the opponent's preferences. This process of opponent modeling makes it possible to find a satisfying negotiation outcome for both parties. A large number of s... View full abstract»

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  • Simultaneous Auctions for "Rendez-Vous" Coordination Phases in Multi-robot Multi-task Mission

    Publication Year: 2013, Page(s):67 - 74
    Cited by:  Papers (2)
    Request permission for reuse | Click to expandAbstract | PDF file iconPDF (1341 KB) | HTML iconHTML

    This paper presents a protocol that permits to automatically allocate tasks, in a distributed way, among a fleet of agents when communication is not permanently available. In cooperation settings when communication is available only during short periods, it is difficult to build joint policies of agents to collectively accomplish a mission defined by a set of tasks. The proposed approach aims to p... View full abstract»

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  • Time-Based Regulation of Auctions in P2P Outsourcing

    Publication Year: 2013, Page(s):75 - 79
    Cited by:  Papers (4)
    Request permission for reuse | Click to expandAbstract | PDF file iconPDF (383 KB) | HTML iconHTML

    P2P outsourcing model is proposed to describe an interaction process of tasks distribution between employees when centralized project management cannot be performed due to high uncertainty and complexity of tasks. This paper describes a solution for computer-aided operating of such interaction by implementation of a series of auctions using time-based regulation algorithm. Case study is given for ... View full abstract»

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  • Explaining Argumentation over Alignment Agreements

    Publication Year: 2013, Page(s):80 - 85
    Request permission for reuse | Click to expandAbstract | PDF file iconPDF (420 KB) | HTML iconHTML

    Argumentation frameworks have been used as tools for reconciliating ontology alignments, through a series of proposals and counter-proposals, i.e., arguments. However, argumentation outcomes may not be so obvious to human users. Explaining the reasoning behind the argumentation process may help users to understand its outcome, and influence the user's confidence and acceptance on the results. This... View full abstract»

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  • Boolean Games for Charging Electric Vehicles

    Publication Year: 2013, Page(s):86 - 93
    Cited by:  Papers (1)
    Request permission for reuse | Click to expandAbstract | PDF file iconPDF (218 KB) | HTML iconHTML

    Electric Vehicles (EVs) must coordinate their charging time-slots in order to balance the load of the smart grid. The present paper models the coordination of charging among EV agents as a Boolean game, where the balancing of the global load is achieved by a principal through the use of environment variables. The iterative Boolean game of charging and avoiding overload is defined and two families ... View full abstract»

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  • Agent-Based Small-Scale Energy Consumer Models for Energy Portfolio Management

    Publication Year: 2013, Page(s):94 - 101
    Cited by:  Papers (1)
    Request permission for reuse | Click to expandAbstract | PDF file iconPDF (473 KB) | HTML iconHTML

    In contemporary power systems, residential consumers may account for up to 50% of a country's total electrical energy consumption. Even though they constitute a significant portion of the energy market, not much has been achieved towards eliminating the inability for energy suppliers to perform long-term portfolio management, thus maximizing their revenue. The root cause of these problems is the d... View full abstract»

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  • Market-Based EV Charging Coordination

    Publication Year: 2013, Page(s):102 - 107
    Cited by:  Papers (1)
    Request permission for reuse | Click to expandAbstract | PDF file iconPDF (1932 KB) | HTML iconHTML

    Electric vehicle (EV) charging loads may challenge grid stability due to a combination of high charging power and temporal clustering of charging activity. Hence, EV charging needs to be coordinated appropriately. Prior work addressing this challenge focused on static charging strategies responding to exogenous price vectors. We extend this work in two directions: To achieve an endogenous resource... View full abstract»

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