1,266 research outputs found

    Montana Kaimin, September 11, 2019

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    Student newspaper of the University of Montana, Missoula.https://scholarworks.umt.edu/studentnewspaper/10727/thumbnail.jp

    Washington University Record, October 14, 1999

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    https://digitalcommons.wustl.edu/record/1841/thumbnail.jp

    Achieving High Reliability and Efficiency in Maintaining Large-Scale Storage Systems through Optimal Resource Provisioning and Data Placement

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    With the explosive increase in the amount of data being generated by various applications, large-scale distributed and parallel storage systems have become common data storage solutions and been widely deployed and utilized in both industry and academia. While these high performance storage systems significantly accelerate the data storage and retrieval, they also bring some critical issues in system maintenance and management. In this dissertation, I propose three methodologies to address three of these critical issues. First, I develop an optimal resource management and spare provisioning model to minimize the impact brought by component failures and ensure a highly operational experience in maintaining large-scale storage systems. Second, in order to cost-effectively integrate solid-state drives (SSD) into large-scale storage systems, I design a holistic algorithm which can adaptively predict the popularity of data objects by leveraging temporal locality in their access pattern and adjust their placement among solid-state drives and regular hard disk drives so that the data access throughput as well as the storage space efficiency of the large-scale heterogeneous storage systems can be improved. Finally, I propose a new checkpoint placement optimization model which can maximize the computation efficiency of large-scale scientific applications while guarantee the endurance requirements of the SSD-based burst buffer in high performance hierarchical storage systems. All these models and algorithms are validated through extensive evaluation using data collected from deployed large-scale storage systems and the evaluation results demonstrate our models and algorithms can significantly improve the reliability and efficiency of large-scale distributed and parallel storage systems

    Working Papers: Astronomy and Astrophysics Panel Reports

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    The papers of the panels appointed by the Astronomy and Astrophysics survey Committee are compiled. These papers were advisory to the survey committee and represent the opinions of the members of each panel in the context of their individual charges. The following subject areas are covered: radio astronomy, infrared astronomy, optical/IR from ground, UV-optical from space, interferometry, high energy from space, particle astrophysics, theory and laboratory astrophysics, solar astronomy, planetary astronomy, computing and data processing, policy opportunities, benefits to the nation from astronomy and astrophysics, status of the profession, and science opportunities

    Knowledge Processes and their Role in Innovation - A Comparison of Selected Chinese and Indian Practices

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    Innovation is today recognized as key to fostering economic development and building technological strengths in firms, industries and countries. While generally described in the common understanding as anything that is new and has an impact on a large scale, it is technology-driven innovation that has assumed prominence in the contemporary environment. Academic research and study of innovation has encompassed a variety of disciplines. From these efforts, innovation has emerged as a complex phenomenon that requires a variety of factors and concepts to describe. As innovation assumes prominence in countries such as India and China, which are aiming to catch up with the more advanced countries, the factors that go to make successful innovations possible are of increasing interest. This thesis examines the different approaches adopted in the field of innovation studies and identifies knowledge processes as key to understanding innovation. The applicability of this has been investigated through detailed research into three industry segments. Based on the research, frameworks of innovation based on knowledge processes have been presented including a comparison of practices in selected Chinese and Indian organizations

    NSSDC Conference on Mass Storage Systems and Technologies for Space and Earth Science Applications, volume 1

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    Papers and viewgraphs from the conference are presented. This conference served as a broad forum for the discussion of a number of important issues in the field of mass storage systems. Topics include magnetic disk and tape technologies, optical disks and tape, software storage and file management systems, and experiences with the use of a large, distributed storage system. The technical presentations describe, among other things, integrated mass storage systems that are expected to be available commercially. Also included is a series of presentations from Federal Government organizations and research institutions covering their mass storage requirements for the 1990's

    Washington University Record, September 7, 2001

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    https://digitalcommons.wustl.edu/record/1905/thumbnail.jp

    Serving the nation for fifty years: 1952 - 2002 Lawrence Livermore National Laboratory, fifty years of accomplishments

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    Management as a system: creating value

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    Boston University School of Management publication from the 1990s about the MBA programs at BU, aimed at prospective MBA students
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