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Computing in Science & Engineering

Issue 5 • Sept.-Oct. 2005

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Displaying Results 1 - 17 of 17
  • [Front cover]

    Publication Year: 2005, Page(s): c1
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    Freely Available from IEEE
  • Table of contents

    Publication Year: 2005, Page(s): c2
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    Freely Available from IEEE
  • Lots of Headroom

    Publication Year: 2005, Page(s): 2
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (54 KB) | HTML iconHTML

    I spent a pleasant afternoon at the Conference on Lasers and Electro-Optics/Quantum Electronics (CLEO/QUELs) in Baltimore this June. Having only a relatively short time to spend, I decided to try a quick experiment-cruise the aisles of the poster session, scan the presentations, and get a sense of how deeply computing practices have permeated the conduct of experimental optics research and develop... View full abstract»

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  • What jumbo tells dumbo

    Publication Year: 2005, Page(s):3 - 6
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (160 KB) | HTML iconHTML

    What do elephants and humans have in common? According to Marquette University's Patrick Clemins, individuals in both species have distinct voices, and we can train computers to recognize 85 percent of what they say. Running preidentified elephant sounds into a PC-based hidden Markov model (HMM) algorithm trains that program to then recognize and classify further elephant recordings. In short, com... View full abstract»

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  • 3Ms: A Response

    Publication Year: 2005, Page(s):7 - 9
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    Freely Available from IEEE
  • Guest Editors' Introduction: Scientific Applications of Grid Computing

    Publication Year: 2005, Page(s):10 - 13
    Cited by:  Papers (3)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (200 KB) | HTML iconHTML

    The use of parallel computation for scientific research is so widespread today that it's easy to forget it started on a large scale as recently as the late 1980s. With the increasing attention given to parallel algorithms for scientific research, researchers soon realized that certain common applications, such as Monte Carlo algorithms, were embarrassingly parallel: they required very little inter... View full abstract»

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  • Cross-site computations on the TeraGrid

    Publication Year: 2005, Page(s):14 - 23
    Cited by:  Papers (14)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (296 KB) | HTML iconHTML

    The TeraGrid's collective computing resources can help researchers perform very-large-scale simulations in computational fluid dynamics (CFD) applications, but doing so requires tightly coupled communications among different sites. The authors examine a scaled-down turbulent flow problem, investigating the feasibility and scalability of cross-site simulation paradigms, targeting grand challenges s... View full abstract»

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  • Scientific grid computing: the first generation

    Publication Year: 2005, Page(s):24 - 32
    Cited by:  Papers (14)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (128 KB) | HTML iconHTML

    The scientific user's computing demands are becoming increasingly complex and can benefit from distributed resources, but effectively marshalling these distributed systems often introduces new challenges. The authors describe how researchers can exploit existing distributed grid infrastructure to get meaningful scientific results. View full abstract»

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  • Cooperating services for data-driven computational experimentation

    Publication Year: 2005, Page(s):34 - 43
    Cited by:  Papers (8)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (136 KB) | HTML iconHTML

    The Linked Environments for Atmospheric Discovery (LEAD) project seeks to provide on-demand weather forecasting. A triad of cooperating services provides the core functionality needed to execute experiments and manage the data. In this article, we focus on three MyLEAD services - the metadata catalog service, notification service, and workflow service - that together form the core services for man... View full abstract»

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  • Toward ecosystem modeling on computing grids

    Publication Year: 2005, Page(s):44 - 52
    Cited by:  Papers (8)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (720 KB) | HTML iconHTML

    Grid-based ecosystem modeling holds great promise for aiding the investigation of complex environmental systems. A prototype framework and generic software architecture provide increased interoperability and productivity for spatially explicit ecosystem modeling on heterogeneous grids. View full abstract»

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  • Anisotropic nonlinear filtering of cellular structures in cryoelectron tomography

    Publication Year: 2005, Page(s):54 - 61
    Cited by:  Papers (17)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (432 KB) | HTML iconHTML

    Cryoelectron tomography attempts to allow the visualization of complex biological specimens' molecular architecture. This technique yields 3D maps with an extremely low signal-to-noise ratio. A new approach based on anisotropic nonlinear diffusion offers a strategy to reduce the noise and enhance local structures. View full abstract»

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  • Solving sparse linear systems: taking the direct approach

    Publication Year: 2005, Page(s):62 - 67
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (400 KB) | HTML iconHTML

    In this paper, we explore the importance of ordering when solving large, sparse systems of linear equations. Examples are drawn from the solution of partial differential equations; such problems are a prime source of such linear systems. Nothing that we do is specific to these problems, however, and you might prefer to work with a matrix from a standard test set (for example, 'wathen' from Matlab'... View full abstract»

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  • Virtual human anatomy

    Publication Year: 2005, Page(s):71 - 73
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (152 KB) | HTML iconHTML

    To learn human anatomy, medical students must practice on cadavers, as must physicians when they want to brush up on their anatomy knowledge. However, cadavers are in short supply in medical schools worldwide. One potential solution to this problem is the virtual human anatomy and surgery system. VHASS uses cryosection images - cross-section natural-color images generated by slicing a frozen cadav... View full abstract»

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  • The fast Fourier transform for experimentalists. Part III. Classical spectral analysis

    Publication Year: 2005, Page(s):74 - 78
    Cited by:  Papers (9)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (232 KB) | HTML iconHTML

    Each article in this continuing series on the fast Fourier transform (FFT) is designed to illuminate new features of the wide-ranging applicability of this transform. This segment deals with some aspects of the spectrum estimation problem. View full abstract»

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  • A hike through post-EJB J2EE Web application architecture

    Publication Year: 2005, Page(s):80 - 88
    Cited by:  Papers (3)  |  Patents (7)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (240 KB) | HTML iconHTML

    Since the mid-nineties, server-based Web applications have emerged as a convenient way to provide functionality to a user audience without any specific software or system requirements except the need for a reasonably up-to-date Web browser. The tricky integration, installation, and configuration tasks are under the control of an expert on the server side. These advantages apply to both the general... View full abstract»

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  • Physics and fracture

    Publication Year: 2005, Page(s):90 - 95
    Cited by:  Papers (8)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (184 KB) | HTML iconHTML

    Attempting to understand the relevant material properties that are vital to an object's construction is as old as humankind itself, and today, it justifies the intense research effort that goes under the label of materials science. An important subfield of materials science is the study of how materials react to external forces. Some materials fracture, for instance, whereas others flow: a glass r... View full abstract»

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  • George Dantzig: a remembrance

    Publication Year: 2005
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (62 KB) | HTML iconHTML

    The author talks about George Dantzig and his book Linear Programming and Extensions. View full abstract»

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Aims & Scope

CS&E magazine emphasizes articles that help define the field as the interface among the applications (in science and engineering), algorithms (numerical and symbolic), system software, and computer architecture.

Full Aims & Scope

Meet Our Editors

Editor-in-Chief
George K. Thiruvathukal
Loyola University