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2012 IEEE Sixth International Conference on Self-Adaptive and Self-Organizing Systems

10-14 Sept. 2012

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  • [Cover art]

    Publication Year: 2012, Page(s): C4
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  • [Title page i]

    Publication Year: 2012, Page(s): i
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  • [Title page iii]

    Publication Year: 2012, Page(s): iii
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  • [Copyright notice]

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

    Publication Year: 2012, Page(s):v - viii
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  • Message from the General Chairs

    Publication Year: 2012, Page(s):ix - x
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  • Message from the Program Committee Chairs

    Publication Year: 2012, Page(s):xi - xii
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  • Steering Committee

    Publication Year: 2012, Page(s): xiii
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  • Technical Meeting Committee

    Publication Year: 2012, Page(s):xiv - xv
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  • Program Committee

    Publication Year: 2012, Page(s):xvi - xviii
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  • Local Organization Committee

    Publication Year: 2012, Page(s): xix
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  • Additional reviewers

    Publication Year: 2012, Page(s):xx - xxi
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  • Sponsors

    Publication Year: 2012, Page(s): xxii
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  • Directional Bias and Pheromone for Discovery and Coverage on Networks

    Publication Year: 2012, Page(s):1 - 10
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (947 KB) | HTML iconHTML

    Natural multi-agent systems often rely on "correlated random walks" (random walks that are biased toward a current heading) to distribute their agents over a space (e.g., for foraging, search, etc.) Our contribution involves creation of a new movement and pheromone model that applies the concept of heading bias in random walks to a multi-agent, digital-ants system designed for cyber-security monit... View full abstract»

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  • Simulating Human Single Motor Units Using Self-Organizing Agents

    Publication Year: 2012, Page(s):11 - 20
    Cited by:  Papers (5)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (332 KB) | HTML iconHTML

    Understanding functional synaptic connectivity of human central nervous system is one of the holy grails of the neuroscience. Due to the complexity of nervous system, it is common to reduce the problem to smaller networks such as motor unit pathways. In this sense, we designed and developed a simulation model that learns acting in the same way of human single motor units by using findings on human... View full abstract»

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  • The Role of Memory in Stabilizing Swarms

    Publication Year: 2012, Page(s):21 - 28
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (689 KB) | HTML iconHTML

    In this paper, we analyze and evaluate swarm interactions using varying amounts of kinetic memory, defined as the stored velocity states for n discrete time steps in the past. We show that kinetic memory can play a key role in the dynamics of biological and artificial aggregations. It is reasonable to suppose that individuals possess a memory of the immediate past and use this information to their... View full abstract»

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  • On the Influence of Inter-Agent Variation on Multi-Agent Algorithms Solving a Dynamic Task Allocation Problem under Uncertainty

    Publication Year: 2012, Page(s):29 - 38
    Cited by:  Papers (6)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (368 KB) | HTML iconHTML

    Multi-agent systems often consist of heterogeneous agents with different capabilities and objectives. While some agents might try to maximize their system's utility, others might be self-interested and thus only act for their own good. However, because of their limited capabilities and resources, it is often necessary that agents cooperate to be able to satisfy given tasks. To work together on suc... View full abstract»

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  • Realizing a Proactive, Self-Optimizing System Behavior within Adaptive, Heterogeneous Many-Core Architectures

    Publication Year: 2012, Page(s):39 - 48
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (353 KB) | HTML iconHTML

    For maintaining high performance and minimizing power consumption, adaptive, heterogeneous many-core architectures can be adapted at runtime to changing environmental requests or conditions as well as to changes resulting from the dynamics of the workload itself. However, the huge complexity of such architectures makes their optimization very challenging at runtime. This challenge is therefore add... View full abstract»

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  • Towards Meta-Adaptation Support with Reusable and Composable Adaptation Components

    Publication Year: 2012, Page(s):49 - 58
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1590 KB) | HTML iconHTML

    Software systems today are increasingly used in changing environments and expected to adapt with variable adaptation concerns. This requirement demands a systematic approach to efficiently construct system global adaptation behaviour according to the dynamic adaptation requirements. This paper presents Transformer a framework for adaptation behaviour composition support based on reusable and compo... View full abstract»

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  • Towards Dynamic Evolution of Self-Adaptive Systems Based on Dynamic Updating of Control Loops

    Publication Year: 2012, Page(s):59 - 68
    Cited by:  Papers (7)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (517 KB) | HTML iconHTML

    Self-adaptive systems, which enable runtime adaptation, are promising ways of dealing with environmental changes, including system intrusions or faults. Such software systems must modify themselves to better fit their environment. One of the main approaches to constructing such systems is to introduce multiple control loops. Software evolution is an essential activity for expanding this adaptation... View full abstract»

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  • Controlling Self-Organising Software Applications with Archetypes

    Publication Year: 2012, Page(s):69 - 78
    Cited by:  Papers (3)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (306 KB) | HTML iconHTML

    Self-organisation is a promising solution for building complicated, large-scale software systems that must meet stringent adaptability and survivability requirements. At the same time, controlling self-organising software to ensure global system properties and functions is a difficult problem. This paper proposes a solution that uses architectural templates, or archetypes, replicated across a set ... View full abstract»

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  • Gossip-Based Learning under Drifting Concepts in Fully Distributed Networks

    Publication Year: 2012, Page(s):79 - 88
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (292 KB) | HTML iconHTML

    In fully distributed networks data mining is an important tool for monitoring, control, and for offering personalized services to users. The underlying data model can change as a function of time according to periodic (daily, weakly) patterns, sudden changes, or long term transformations of the environment or the system itself. For a large space of the possible models for this dynamism-when the ne... View full abstract»

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  • An Extremum Seeking Algorithm for Message Batching in Total Order Protocols

    Publication Year: 2012, Page(s):89 - 98
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (266 KB) | HTML iconHTML

    Message batching is a well-known optimization technique to maximize throughput of networked services. The manual configuration of the appropriate batching level is however a time consuming and not trivial task. Too low batching values can in fact render the system unstable in presence of high loads, excessively high batching values, on the other hand, can lead to high latency at low load, which ma... View full abstract»

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  • Reconfiguration Primitives for Self-Adapting Overlays in Distributed Publish-Subscribe Systems

    Publication Year: 2012, Page(s):99 - 108
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (255 KB) | HTML iconHTML

    Most distributed applications involve some form of event-based interaction, often implemented using a publish-subscribe (pub-sub) infrastructure. To improve scalability, the acts of matching events against subscriptions and delivery them are performed collaboratively by a set of brokers connected into an overlay network. Recent research has proposed several approaches to support the self-adaptatio... View full abstract»

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  • Bridging Interference Barriers in Self-Organized Synchronization

    Publication Year: 2012, Page(s):109 - 118
    Cited by:  Papers (3)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (256 KB) | HTML iconHTML

    We consider self-organized synchronization in a wireless network, in a setting where there may be transmissions in the network interfering with the reception of synchronization pulses. Persistent existence of interference may prevent synchronization pulses from being heard, which potentially divides the network to multiple connected components separated by interference barriers. We investigate met... View full abstract»

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