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2005 Winter Simulation Conference

作者： Wang, Xiaoguang Turner, Stephen John Taylor, Simon J. E. Low, Malcolm Yoke Hean Gan, Boon Ping Parallel and Distributed Computing Centre School of Computer Engineering Nanyang Technological University 639798 Singapore Singapore Centre for Applied Simulation Modeling School of Information Systems Computing and Mathematics Brunel University Uxbridge UB8 3PH United Kingdom D-SIMLAB Programme Singapore Institute of Manufacturing Technology 71 Nanyang Drive 638075 Singapore Singapore

ISBN: (纸本)0780395204

Commercial Off-The-Shelf (COTS) Simulation Packages (CSPs) are widely used to facilitate the creation of simulation models using some kind of visual interactive interface. CSPs have "evolved" over the years and are well used to support modeling demands in different market niches and domains. However, in terms of distributed simulation, there is almost a complete lack of support for interoperability. The advent of the High Level Architecture (HLA) standard makes it possible to connect distributed model components together. The model components can be developed using specific CSPs best suited to the application area. In this paper, a CSP Emulator (CSPE) is proposed to investigate the interfaces between the CSPs and the HLA Runtime Infrastructure. In addition to support for standalone models as provided by current CSPs, the CSPE has some new features needed for building distributed models. An evaluation is conducted between CSPE and Simul8, one of the popular CSPs.

关键词： Electronics packaging

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Why anthropomorphic user interface feedback can be effective and preferred by users

Why anthropomorphic user interface feedback can be effective...

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作者： Murano, Pietro Computer Science Research Centre School of Computing Science and Engineering University of Salford Gt. Manchester M5 4WT England United Kingdom

ISBN: (纸本)9728865198

This paper addresses and resolves an interesting question concerning the reason for anthropomorphic user interface feedback being more effective (in two of three contexts) and preferred by users compared to an equivalent non-anthropomorphic feedback. Firstly the paper will summarise the author's three internationally published experiments and results. These will show statistically significant results indicating that in two of the three contexts anthropomorphic user interface feedback is more effective and preferred by users. Secondly some of the famous work by Reeves and Nass will be introduced. This basically shows that humans behave in a social manner towards computers through a user interface. Thirdly the reasons for the obtained results by the author are inextricably linked to the work of Reeves and Nass. It can be seen that the performance results and preferences are due to the subconscious social behaviour of humans towards computers through a user interface. The conclusions reported in this paper are of significance to user interface designers as they allow one to design interfaces which match more closely our human characteristics. These in turn would enhance the profits of a software house.

关键词： User interfaces

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Information management for computational Grids

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International Journal of Web Services Research 2005年第3期2卷 69-82页

作者： Jie, Wei Zang, Tianyi Hung, Terence Turner, Stephen J. Cai, Wentong Institute of High Performance Computing Singapore Singapore Nanyang Technological University Singapore Singapore Singapore Singapore Software and Computing Program Institute of High Performance Computing Singapore Singapore School of Computer Engineering Parallel and Distributed Computing Centre Singapore Singapore

Information Service is a key component of a Grid environment and crucial to the operation of a computational Grid. This paper presents an Information Service for a computational Grid Virtual Organization (VO). The main functionality of this Information Service is the provision of information essential for applications running on a computational Grid. This Information Service is a hierarchical structure that consists of VO layer, site layer, and resource layer. We propose different models of information data organization for Information Service, and experiments were conducted to evaluate the performance of these models. Based on the experimental results, we further introduce the data organization model for our Information Service. The implementation of the Information Service is based on the Globus Toolkit and complies with the OGSI (Open Grid Services Infrastructure) specifications. In this paper, some application experiences of using the Information Service are also presented. Copyright © 2005, Idea Group Inc.

关键词： Distributed computer systems

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Using manufacturing process flow for time synchronization in HLA-based simulation 05

Using manufacturing process flow for time synchronization in...

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International Workshop/Symposium on Distributed Simulation and Real-Time Applications (DS-RT)

作者： Boon Ping Gan M. Yoke Hean Low Xiaoguang Wang S.J. Turner Singapore Institute of Manufacturing Technology D-SIMLAB Programme Singapore Parallel and Distributed Computing Centre School of Computer Engineering Nanyang Technological University Singapore

ISBN: (纸本)9780769524627

Time synchronization has always been a critical deciding factor of whether interoperating simulation models using the high level architecture (HLA) is achievable efficiently. In this paper, we propose a conservative time synchronization algorithm that makes use of the manufacturing process flow information (a sequence of steps production lots flow through) in the computation of the request time. This time is used by the simulation federate to issue requests to advance time to the HLA runtime infrastructure (RTI). The proposed algorithm monitors the simulation events that potentially trigger external timestamp messages at the exit step and j processing steps before this exit step as well as simulation events that extend the timestamp of external messages. We evaluated the performance of this algorithm using a Borderless Fab simulation model on the AutoSched AP. The experimental results show that the algorithm performs much better than a straightforward use of the RTFs time synchronization, and the further back we went in looking at the processing steps, the better the execution time that was achieved.

关键词： Manufacturing processes Computational modeling Protocols computer aided manufacturing Collaboration computer simulation Distributed computing Runtime Discrete event simulation Packaging

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Cluster computing and Grid 2005 works in progress

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IEEE Distributed Systems Online 2005年第9期6卷

作者： Wang, Frank Helian, Na Wu, Sining Deng, Yuhui Zhou, Ke Guo, Yike Thompson, Steve Johnson, Ian Milward, Dave Maddock, Robert Khoo, Benjamin Bharadwaj, Veeravalli Cambridge-Cranfield High Performance Computing Facility London Metropolitan University Cranfield University Imperial College Xyratex Department of Grid Computing and E-science Centre for Grid Computing Data Mining at the London Metropolitan University Centre for Grid Computing Cranfield University London E-science Centre Parallel Computing Centre Imperial College National University of Singapore Department of Electrical and Computer Engineering National University of Singapore

A grid-oriented storage (GOS) project, which aims to support advanced data bank services and data reservoirs for sharing data on the gird, is discussed. The GOS appliance is a disk array that connects directly to the grid using a Globus XIO interface and fits in the thin server categorization. The security model of the GOS is based on the Grid security Infrastructure (GSI). A dynamic estimation scheme for fault-free scheduling in grid systems is also discussed. Most of the grid falls into one of the two categories, planned and negotiated, and dynamic and voluntary. This discrepancy is the main reason behind the complexity in designing robust and fault tolerant scheduling algorithms for both resource categories.

关键词： Data storage equipment

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A novel personal authentication system using palmprint technology

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1st International Conference on Pattern Recognition and Machine Intelligence, PReMI 2005

作者： Zhang, David Lu, Guangming Kong, Adams Wai-Kin Wong, Michael Biometric Research Centre Department of Computing Hong Kong Polytechnic University Kowloon Hong Kong Biocomputing Research Lab School of Computer Science and Engineering Harbin Institute of Technology Harbin China Electrical and Computer Engineering University of Waterloo Ontario N2L 3G1 Canada

ISBN: (纸本)3540305068

In recent times, an increasing, worldwide effort has been devoted to the development of automatic personal identification systems that can be effective in a wide variety of security contexts. Palmprints have a number of unique advantages: they are rich in features such as principal lines, wrinkles, and textures and these provide stable and distinctive information sufficient for separating an individual from a large population. In this paper, we present a novel biometric authentication system to identify a person's identity by his/her palmprint. Being a robust and reliable system, it was tested by more than 8,000 palmprint images with very low false acceptance rate (0.02%), and a relative high genuine acceptance rate (98.83%). The whole authentication process is less than 1 second. Finally, some possible applications are discussed which could be benefited by using palmprint technology. © Springer-Verlag Berlin Heidelberg 2005.

关键词： Security of data

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Integration of haptic and visual modalities for a total hip replacement planning system

Integration of haptic and visual modalities for a total hip ...

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International Conference on Medical Information Visualisation - Biomedical Visualisation (MediVis)

作者： R. Mayoral N.G. Tsagarakis M. Petrone G.J. Clapworthy D.G. Caldwell C. Zannoni Department of Computing & Information Systems University of Luton UK School of Computer Science and Engineering University of Sanford UK Supercomputing Centre CINECA Bologna Italy

This paper presents the integration of haptic and visual modalities in a multimodal application for planning total hip replacement. It focuses on the creation of the surgical access since that plays a fundamental role in the success of the complete intervention and is also a perfect candidate for multimodal integration, since both the assessment of the surgical access and of the potential damage to the structures involved can benefit from combining these complementary sources of information.

关键词： Haptic interfaces Hip Surgery Visualization Surges Skin Biological tissues Virtual reality Information systems computer science

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Discrete acceleration and personalised tiling as brain-body interface paradigms for neurorehabilitation 05

Discrete acceleration and personalised tiling as brain-body ...

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CHI 2005: Technology, Safety, Community - Conference on Human Factors in computing Systems

作者： Gnanayutham, Paul Bloor, Chris Cockton, Gilbert Department of Computer Science and Software Engineering University of Portsmouth Buckingham Building Lion Terrace Portsmouth PO1 3HE United Kingdom School of Computing and Technology University of Sunderland David Goldman Centre St Peter's Way Sunderland SR6 0DD United Kingdom

ISBN: (纸本)1581139985

We present two studies that have advanced the design of brain-body interfaces for use in the rehabilitation of individuals with severe neurological impairment due to traumatic brain injury. We first developed and evaluated an adaptive cursor acceleration algorithm based on screen areas. This improved the initial design, but was too inflexible to let users make the most of their highly varied abilities. Only some individuals were well served by this adaptive interface. We therefore developed and evaluated an approach based on personalized tile layouts. The rationales for both designs are presented, along with details of their implementation. Evaluation studies for each are reported, which show that we have extended the user population who can use our interfaces relative to previous studies. We have also extended the usable functionality for some of our user group. We thus claim that personalized tiling with discrete acceleration has allowed us to extend the usable functionality of brain-body interfaces to a wider population with traumatic brain injury, thus creating new options for neurorehabiliation. Copyright 2005 ACM.

关键词： User interfaces

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Service oriented software package bank

Service oriented software package bank

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International Conference on computer Supported Cooperative Work in Design

作者： Yu Xiong Ji Liu P. Fitzgerald Daizhong Su Advanced Design and Manufacturing Engineering Centre Nottingham Trent University UK Department of Computer Science Chongqing University China School of Computing and Technology Nottingham Trent University UK

A service-oriented framework has been developed to enable geographically dispersed team members to share programmes online over the Internet. The advanced technique of Web services has been utilized for the users to provide and to request the services, the new system can satisfy the requirements of copyright problem, maintenance and other issues. The user of the software can get description files and build their own client application to access the shared application via Internet. The layout and concrete implementation is also discussed in this paper.

关键词： Software packages Application software Web services Logic computer aided manufacturing Design engineering Concrete computer science Web and internet services Fires

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A multimodal and multisensorial pre-operative planning environment for total hip replacement

A multimodal and multisensorial pre-operative planning envir...

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International Conference on Medical Information Visualisation - Biomedical Visualisation (MediVis)

作者： D. Testi C. Zannoni M. Petrone G.J. Clapworthy D. Nieberg N.G. Tsagarakis D.G. Caldwell M. Viceconti Laboratorio di Tecnologia Medica Istituti Ortopedici Rizzoli Bologna Italy Supercomputing Centre CINECA Bologna Italy Department of Computing & Information Systems University of Luton UK Department of Speech KTH Sweden School of Computer Science and Engineering University of Sanford UK

This paper describes a new environment for the pre-operative planning of total hip replacement. The system is based on a multimodal/multisensorial interface, which includes advanced software visualisation and evaluation modules for the planning and state-of-the-art technologies for immersive interface (stereoscopic display, different six degrees of freedom tracking technologies, speech recognition, and haptic feedbacks). This paper is focused on the final clinical application description. More specific visualisation-related modules are described in other related papers.

关键词： Hip Muscles Visualization Virtual reality Orthopedic surgery Surges Medical tests System testing Speech computer science

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