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  • Toward the development of analysis of students' cognitive processes in an online course

    Creator:
    Shieh, Ruey S.
    Abstract:
    This study examined a web-based undergraduate course structured around social learning theories through the lens of social construction as a theoretical framework and a case study research method. The purpose of the study was to investigate students' learning experiences from a cognitively guided research framework. Instructional strategies practiced in the...
    Resource Type:
    Dissertation
    Full Text:
    my committee member, Dr. Maggie Niess Your critical feedback plays a very important role in my

  • Location Privacy-Preserving Strategies for Secondary Spectrum Use

    Creator:
    Grissa, Mohamed
    Abstract:
    The scarcity of wireless spectrum resources and the overwhelming demand for wireless broadband resources have prompted industry, government agencies and academia within the wireless communities to develop and come up with effective solutions that can make additional spectrum available for broadband data. As part of these ongoing efforts, cognitive radio...
    Resource Type:
    Dissertation
    Full Text:
    committee members Professor Mag- gie Niess, Professor Lizhong Chen and Professor Mike Rosulek, for

  • User perceptions on security and usability of mobile “tap-and-pay”

    Creator:
    Rayala, Swathi Sri Vishnu Priya
    Abstract:
    Apple launched their first “tap-and-pay” mobile payment solution called “ApplePay” in October 2014 in the United States. Quickly catching up with the popularity of Apple Pay, Google launched their own mobile “tap-and-pay” paymentsolution called “Android Pay”. Both the companies claim that their tap-and-paysolutions are more convenient and more secure than...
    Resource Type:
    Masters Thesis
    Full Text:
    Niess for agreeing to be in my committee; friends, who have helped me in many ways during my stay in

  • Image Based Crypto

    Creator:
    Basa, Gungor
    Abstract:
    The ability to create reproducible cryptographically secure keys from temporal environments (e.g., images) has the potential to be a contributor to effective cryptographic mechanisms. Due to the noisy nature of these environments, achieving this goal in a user friendly fashion is a very challenging task, especially since there exists a...
    Resource Type:
    Masters Thesis
    Full Text:
    addition, my sincere gratitude to Emeritus Professor Maggie Niess, Dr. Mike Rosulek, and Dr. Fuxin Li for

  • A Formal Foundation for Variational Programming Using the Choice Calculus

    Creator:
    Hubbard, Spencer
    Abstract:
    In this thesis, we present semantic equivalence rules for an extension of the choice calculus and sound operations for an implementation of variational lists. The choice calculus is a calculus for describing variation and the formula choice calculus is an extension with formulas. We prove semantic equivalence rules for the...
    Resource Type:
    Masters Thesis
    Full Text:
    thank all of the members of my graduate committee, including Martin Erwig, Stephen Redfield, and Maggie

  • Thinning effects on stand and tree growth : different perspectives on same old questions

    Creator:
    Romero Castaño, Pablo
    Abstract:
    The search for the stand density that optimizes growth and hence generates the maximum amount of wood is one of the philosopher’s stone in modern forestry. Since scientific methods were applied to forestry, numerous generations of foresters have studied the relations between stocking density and growth, obtaining diverse results and...
    Resource Type:
    Masters Thesis

  • Malicious-proof and fair credit-based resource allocation techniques for DSA systems

    Creator:
    AlShammari, Tamara
    Abstract:
    In this paper, we propose a credit-based resource allocation technique for dynamic spectrum access (DSA) systems that is robust against malicious and selfi sh behaviors and ensures good overall system fairness performance while also allowing spectrum users to achieve high amounts of service. We also propose a new objective function...
    Resource Type:
    Masters Thesis

  • Energy-efficient routing for delay-constrained data traffic in linear wireless sensor networks

    Creator:
    Alesaimi, Hani
    Abstract:
    Linear wireless sensor networks (LWSN) are special class of wireless sensor networks where sensor nodes are deployed in a straight line. Monitoring industrial pipelines, railroads, tunnels, power lines, and borders are applications of LWSNs. Wireless sensors are tiny devices with limited energy resources; therefore, efficient energy routing in LWSNs is...
    Resource Type:
    Masters Thesis
    Full Text:
    . Margaret Niess for their assistance and guidance. I would like to express my utmost appreciation and

  • Corporate involvement in FOSS projects : an in-depth look at corporate contributions and implications for project governance

    Creator:
    Forrest, Darren J.
    Abstract:
    Free / Open Source Software developers come from a myriad of different backgrounds. While some contribute for personal reasons, many become involved because they receive compensation from corporations or foundations. The motivation for participating in a project can have dramatic impacts on how and what contribution an individual makes. These...
    Resource Type:
    Masters Thesis

  • End-to-end network throughput enhancement through physical-layer network coding

    Creator:
    Maeouf, Sofean Ahmed
    Abstract:
    Physical-Layer Network Coding (PNC) is a promising technique that has great potentials for improving the achievable data rates of end-to-end flows through higher packet transmission rates, thereby increasing the overall network throughput. In this thesis, we study the performance of the PNC transmission techniques for unidirectional end-to-end flows in multi-hop...
    Resource Type:
    Masters Thesis
    Full Text:
    my committee members - Prof. Huaping Liu, Prof. Alan Wang, and Prof. Maggie Niess - for serving on