2012 IEEE/WIC/ACM International Conferences on Web Intelligence and Intelligent Agent Technology

Volume 2 • 4-7 Dec. 2012

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  • IAT 2012 title page

    Publication Year: 2012, Page(s): i
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  • IAT 2012 title page iii

    Publication Year: 2012, Page(s): iii
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  • IAT 2012 copyright notice

    Publication Year: 2012, Page(s): iv
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  • IAT 2012 table of contents

    Publication Year: 2012, Page(s):v - x
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  • IAT 2012 Welcome Message from Conference Chairs and Program Chairs

    Publication Year: 2012, Page(s):xi - xii
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  • IAT 2012 conference organization

    Publication Year: 2012, Page(s):xiii - xiv
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  • IAT 2012 Program Committee Members

    Publication Year: 2012, Page(s):xv - xvii
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  • IAT 2012 Non-PC reviewers

    Publication Year: 2012, Page(s): xviii
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  • IAT 2012 Sponsors

    Publication Year: 2012, Page(s): xix
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  • A Friction Based Social Force Model for Group Behaviors

    Publication Year: 2012, Page(s):1 - 8
    Request permission for reuse | Click to expandAbstract | PDF file iconPDF (906 KB) | HTML iconHTML

    Group behaviors of organisms can be described as the response to personally and socially acquired information. Many previous works, for example traditional social force model and alignment rule, concern the influence of neighbors' behaviors, but overlook the individual direct response to the information of environment. Here, we propose a novel friction based social force model and focus on the ind... View full abstract»

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  • Improving Asynchronous Partial Overlay

    Publication Year: 2012, Page(s):9 - 16
    Cited by:  Papers (1)
    Request permission for reuse | Click to expandAbstract | PDF file iconPDF (2156 KB) | HTML iconHTML

    Since its creation, the Asynchronous Partial Overlay (APO) protocol has received a great deal of attention because of its non-traditional approach to solving Distributed Constraint Satisfaction Problems (DCSPs). Its introduction led investigators to question the very definition of the word "distributed" and has subsequently inspired the community to create improved metrics for parallel computation... View full abstract»

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  • Join Me with the Weakest Partner, Please

    Publication Year: 2012, Page(s):17 - 24
    Cited by:  Papers (1)
    Request permission for reuse | Click to expandAbstract | PDF file iconPDF (690 KB) | HTML iconHTML

    This paper considers the problem of self-interested agents engaged in costly exploration when individual findings benefit all agents. The purpose of the exploration is to reason about the nature and value of the different opportunities available to the agents whenever such information is a priori unknown. While the problem has been considered for the case where the goal is to maximize the overall ... View full abstract»

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  • Considering Equality on Distributed Constraint Optimization Problem for Resource Supply Network

    Publication Year: 2012, Page(s):25 - 32
    Cited by:  Papers (3)
    Request permission for reuse | Click to expandAbstract | PDF file iconPDF (218 KB) | HTML iconHTML

    Distributed resource allocation is an important application of multiagent systems. In this work, we focus on a resource allocation problem that is motivated from a power supply network that contains distributed sources. In the supply network, resources that are initially distributed among source nodes have to be shared among all nodes. The problem is formalized as a resource constrained distribute... View full abstract»

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  • Maximum Flexibility and Optimal Decoupling in Task Scheduling Problems

    Publication Year: 2012, Page(s):33 - 37
    Request permission for reuse | Click to expandAbstract | PDF file iconPDF (566 KB) | HTML iconHTML

    In multi-agent task scheduling one tries to find a joint schedule for a set of time-constrained tasks, where each agent is responsible for scheduling a disjoint subset of tasks. Two important problems occurring here are (i) to find a joint schedule providing maximum flexibility, i.e., a schedule that maximizes the freedom agents have in choosing the exact time they would like to start their tasks ... View full abstract»

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  • Improving Asynchronous Search for Distributed Generalized Assignment Problem

    Publication Year: 2012, Page(s):38 - 42
    Cited by:  Papers (2)
    Request permission for reuse | Click to expandAbstract | PDF file iconPDF (453 KB) | HTML iconHTML

    Distributed Generalized Assignment Problem (D-GAP) is very popular in scalable multi-agent systems. However, existing algorithms are not effective or efficient in large scale or highly dynamic domains due to the limited communication and computation resource. In this paper, we present a novel approach to address this issue. To reduce communication, we propose a decentralized model for agents to jo... View full abstract»

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  • Why Do People Use Social Media? Agent-Based Simulation and Population Dynamics Analysis of the Evolution of Cooperation in Social Media

    Publication Year: 2012, Page(s):43 - 50
    Cited by:  Papers (7)
    Request permission for reuse | Click to expandAbstract | PDF file iconPDF (514 KB) | HTML iconHTML

    Why do people use social media, even though they must pay certain costs for generating content? The purpose of this study is to answer a more pointed question: What type of mechanism can encourage the continuous participation of users in social media? To address this question, we clarify various conditions that must be met to motivate users to voluntarily provide information in social media. In th... View full abstract»

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  • Hidden Source Behavior Change Tracking and Detection

    Publication Year: 2012, Page(s):51 - 58
    Cited by:  Papers (1)
    Request permission for reuse | Click to expandAbstract | PDF file iconPDF (810 KB) | HTML iconHTML

    An important task of modeling complex social behaviors is to observe and understand individual/group beliefs and attitudes. These beliefs, however, are not stable and may change multiple times as people gain additional information/perceptions from various external sources, which in turn, may affect their subsequent behavior. To detect and track such influential sources is challenging, as they are ... View full abstract»

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  • Agent-Based Virtual Humans in Co-Space: An Evaluative Study

    Publication Year: 2012, Page(s):59 - 66
    Cited by:  Papers (1)
    Request permission for reuse | Click to expandAbstract | PDF file iconPDF (477 KB) | HTML iconHTML

    Co-Space refers to interactive virtual environment modelled after the real world in terms of look-and-feel, functionalities and services. We have developed a 3D virtual world named Nan yang Technological University (NTU) Co-Space populated with virtual human characters. Three key requirements of realistic virtual humans in the virtual world have been identified, namely (1) autonomy: agents can fun... View full abstract»

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  • Online Localized Resource Allocation Application to Urban Parking Management

    Publication Year: 2012, Page(s):67 - 74
    Cited by:  Papers (1)
    Request permission for reuse | Click to expandAbstract | PDF file iconPDF (298 KB) | HTML iconHTML

    In this paper, we define the online localized resource allocation problem, especially relevant for modeling transportation applications. This model takes into account simultaneously the dynamic locations of the resources and the consumers, together with their online nondeterministic appearance. We instantiate the model with the urban parking management problem, and propose a multiagent system to s... View full abstract»

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  • Green-Waved Cooperative Coordination Algorithm for Decentralized Traffic Control

    Publication Year: 2012, Page(s):75 - 79
    Cited by:  Papers (1)
    Request permission for reuse | Click to expandAbstract | PDF file iconPDF (220 KB) | HTML iconHTML

    Green-waved traffic control, which coordinates intersections to allow continuous traffic flow from major directions without unnecessary stops, is one of the most efficient strategies to improve the efficiency of urban transportation. However, in large-scale urban transportation systems, traditional centralized coordination methods suffer bottlenecks in both communication and computation. It is har... View full abstract»

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  • Predicting the State of a Person by an Office-Use Autonomous Mobile Robot

    Publication Year: 2012, Page(s):80 - 84
    Request permission for reuse | Click to expandAbstract | PDF file iconPDF (371 KB) | HTML iconHTML

    In this paper we construct an office-use autonomous mobile robot which predicts the state (either stressed, relaxed, usual, or non-existent) of a person at different places and navigates between the places. The productivity of an office worker in advanced countries is a crucial concern and we believe autonomous mobile robots without network connection and with a privacy switch are preferred to pri... View full abstract»

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  • A Mechanism for Organizing Last-Mile Service Using Non-dedicated Fleet

    Publication Year: 2012, Page(s):85 - 89
    Cited by:  Papers (1)
    Request permission for reuse | Click to expandAbstract | PDF file iconPDF (549 KB) | HTML iconHTML

    Unprecedented pace of urbanization and rising income levels have fueled the growth of car ownership in almost all newly formed mega cities. Such growth has congested the limited road space and significantly affected the quality of life in these mega cities. Convincing residents to give up their cars and use public transport is the most effective way in reducing congestion, however, even with suffi... View full abstract»

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  • Agent-Based Modeling and Simulation of Multi-organizational Interactions in International Trade

    Publication Year: 2012, Page(s):90 - 94
    Request permission for reuse | Click to expandAbstract | PDF file iconPDF (761 KB) | HTML iconHTML

    Agent-based simulation is an important methodology for analysis and evaluation of multi-organizational interactions, as it has the advantages of describing complex relations between entities in dynamic environments. However, an effective simulation design requires a systematic way of modeling organizational interactions to make sure that the integrated interaction processes reflect the essential p... View full abstract»

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  • ABiNeS: An Adaptive Bilateral Negotiating Strategy over Multiple Items

    Publication Year: 2012, Page(s):95 - 102
    Cited by:  Papers (11)
    Request permission for reuse | Click to expandAbstract | PDF file iconPDF (252 KB) | HTML iconHTML

    Multi-item negotiations surround our daily life and usually involve two parties that share common or conflicting interests. Effective automated negotiation techniques should enable the agents to adaptively adjust their behaviors depending on the characteristics of their negotiating partners and negotiation scenarios. This is complicated by the fact that the negotiation agents are usually unwilling... View full abstract»

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  • Reduction of Market Power and Stabilisation of Outcomes in a Novel and Simplified Two-Settlement Electricity Market

    Publication Year: 2012, Page(s):103 - 110
    Cited by:  Papers (1)
    Request permission for reuse | Click to expandAbstract | PDF file iconPDF (1105 KB) | HTML iconHTML

    Modern electricity markets conduct a two-settlement procedure. Ahead of time, they allocate definite supply as well as reserves. Close to the time of consumption, they balance supply and demand. Bidding in these two auctions poses a challenge for automated bidding by agents, which will be more common in future electricity markets and so-called "smart grids". In a decision-theoretic model, we imple... View full abstract»

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