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  • Cryptanalysis and enhancement of authentication protocols

    Creator:
    Kim, Minho
    Abstract:
    Authentication protocols play important roles in network security. A variety of authentication protocols ranging from complex public-key cryptosystems to simple password-based authentication schemes have been proposed. However, currently there is no fully secure authentication scheme that can resist all known attacks. When a user authentication is performed over an insecure...
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    Dissertation
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    sophisticated methods of pro- tecting data has been increased. History is filled with examples where people

  • The use of NAEP data in a state context

    Creator:
    Ha, Jung-Mi
    Abstract:
    The National Assessment of Educational Progress (NAEP) has measured the condition and progress of education since 1969 to provide information on performance of American students in core subjects to policymakers, educators, and the public. Yet, there has been a perception that theses federal resources are under utilized. An analysis of...
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    Dissertation
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    Education presented on December 14, 2006. Title: The Use of NAEP Data in a State Context Abstract

  • Oregon’s secondary agricultural education teachers’ level of computer-based technology integration, perceptions of barriers to computer-based technology integration, and the relationship to learning styles

    Creator:
    Gardner, Reynold D.
    Abstract:
    The focus of this research was to examine the relationship between the Oregon secondary agricultural education teachers’ level of computer-based technology integration, perceptions of barriers to computer-based technology integration, and learning style preferences. Additionally the correlational analysis of the level of computer-based technology integration and the following demographic variables was...
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    Dissertation
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    , (f) high-speed Internet at home, and (g) computer at home. The data were collected during the 2006

  • Fast algorithms and applications for multi-dimensional least-squares-based minimum variance spectral estimation

    Creator:
    Wei, Lin
    Abstract:
    The main contributions of this thesis are the development and application of four computationally efficient solutions for least-squares-based (LS-based) minimum variance spectral estimation (MVSE). They are: (1) fast computational solution for the 1-D covariance LS-based MVSE, (2) fast computational solution for the 1-D modified covariance LS-based MVSE, (3) fast computational...
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    Dissertation
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    features from limited data collection apertures than traditional Fourier- based techniques. Least-squares

  • Measuring efficiency and explaining failures in banking : application to the Russian banking sector

    Creator:
    Konstandina, Natalia V.
    Abstract:
    This study has two main objectives. First, we propose an alternative way for treating deposits in modeling a banking firm, which account for both their input and output features. Second, we contribute to modeling failures in the banking sector by distinguishing three groups of factors affecting failures: bank level, industry...
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    Dissertation
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    models to a data set of Russian banks, spanning 1999-2004. Traditionally researchers assumed that

  • Graphical models for multivariate spatial data

    Creator:
    Irvine, Kathryn M.
    Abstract:
    In this thesis we focus on a graphical model for multivariate spatially correlated data--isomorphic chain graphs (ICG; Gitelman and Herlihy, 2007). We feel ICG allow flexibility for modeling spatial correlation and are intuitively appealing because each model has an associated graph that visually represents a complex multivariate system. We examine...
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    Dissertation
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    Multivariate Spatial Data Abstract approved: Alix I. Gitelman In this thesis we focus on a graphical model

  • Advances in side-channel cryptanalysis : microarchitectural attacks

    Creator:
    Aciiçmez, Onur
    Abstract:
    Cryptographic devices leak timing and power consumption information that is easily measurable, radiation of various levels, and more. Such devices also have additional inputs, other than plaintext and keys, like voltage, which can be modified to force the device to produce certain faulty outputs that can be used to reveal...
    Resource Type:
    Dissertation
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    -channel attacks, including power analysis attacks, have two typical phases: data collection and data

  • Efficient VLSI architectures for MIMO and cryptography systems

    Creator:
    Li, Qingwei
    Abstract:
    Multiple-input multiple-output (MIMO) communication systems have recently been considered as one of the most significant technology breakthroughs for modern wireless communications, due to the higher spectral efficiency and improved link reliability. The sphere decoding algorithm (SDA) has been widely used for maximum likelihood (ML) detection in MIMO systems. It is...
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    Dissertation
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    .....................................................................................43 4.1 Pipeline Interleaved Data Processing Sequence

  • Understanding changes in forest cover and carbon storage in early successional forests of the Pacific Northwest using USDA Forest Service FIA and multi-temporal Landsat data

    Creator:
    Schroeder, Todd A.
    Abstract:
    To effectively study dynamic processes like forest succession over long time periods one must effectively integrate data collected at many different times, locations and spatial scales. The purpose of this research is to integrate forest inventory data collected by the USDA Forest Service’s Forest Inventory and Analysis (FIA) Program with...
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    Dissertation
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    Forest Service FIA and Multi-temporal Landsat Data. Abstract approved: Warren B. Cohen

  • High quantum-yield phosphors via quantum splitting and upconversion

    Creator:
    Jeong, Joayoung
    Abstract:
    The Gd3+ ion has been used to induce quantum splitting in luminescent materials by using cross-relaxation energy transfer (CRET). In Nd:LiGdF4, quantum splitting results from a two-step CRET between Gd3+ and Nd3+, first involving a transition 6G→6I on Gd3+ and an excitation within the 4f3 configuration of Nd3+ followed by...
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    Dissertation
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    + exhibits a high absolute quantum yield of 0.9 ± 0.2 under 170-nm excitation, demonstrating a