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Filtering by: Creator Corcoran, Raymond E. Remove constraint Creator: Corcoran, Raymond E. Degree Field Computer Science Remove constraint Degree Field: Computer Science

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  • A Benchmarking Study of Unsupervised Anomaly Detection Algorithms

    Creator:
    Emmott, Andrew F.
    Abstract:
    It is common practice in the unsupervised anomaly detection literature to create experimental benchmarks by sampling from existing supervised learning datasets. We seek to improve this practice by identifying four dimensions important to real-world anomaly detection applications --- point difficulty, clusteredness of anomalies, relevance of features, and relative frequency of...
    Resource Type:
    Masters Thesis
    Full Text:
    . . . . . . . . . . . . . . . 101 D Our Implementation of KLR . . . . . . . . . . . . . . . . . . . . . . . 102 E Parameterizing

  • A block method approach to solving the Laplace equation on a parallel computer

    Creator:
    Hitchcock, Paula Ann
    Abstract:
    This paper continues exploration in the area of programming for parallel computers. The appendix to the paper contains an extensive survey of the literature related to parallel computers and parallel programming techniques. The paper itself presents a new approach to solving the Laplace equation on a. parallel computer. A new...
    Resource Type:
    Masters Thesis
    Full Text:
    Methods to Improve e") by a Factor of 10-3 when I = J = 33, h = k = .1 64 II Operations Required for

  • A Comparative Study on How SVN and Git Affect Software Changes

    Creator:
    Codoban, Mihai
    Abstract:
    Distributed Version Control Systems (DVCS) have seen an increase in popularity relative to traditional Centralized Version Control Systems (CVCS). Yet we know little on whether VCS tools meet the needs of software developers when managing software change or whether developers are benefitting from the extra power of DVCS. Without such...
    Resource Type:
    Masters Thesis
    Full Text:
    whether it is worth investing time and e↵ort to transition to these new tools. Researchers are also in

  • A dataflow mechanism for supporting query optimization

    Creator:
    Kalvin, Patricia M.
    Abstract:
    The objective of this thesis is to develop a tool which can be used to implement query processing algorithms produced by a query optimizer. The tool should have the following properties: (1) it should support a description of the query solution in a dataflow-like language, (2) it should support data...
    Resource Type:
    Masters Thesis
    Full Text:
    . Each row in the table is called a tup]e. Each column in the relation is called an attribute. The set

  • A network data base management system

    Creator:
    Uy, Myra Lane Y.
    Abstract:
    The minimal kernel for a network data base management system is developed. It includes format specification for the object schema and the data base file, and routines for performing the basic network functions. The object schema defines the relationship between the schema, records, sets, and fields. It informs the system...
    Resource Type:
    Masters Thesis
    Full Text:
    sets - refers to the number of sets in the schema e) Number of set records - refers to the number of

  • Active learning with committees : an approach to efficient learning in text categorization using linear threshold algorithms

    Creator:
    Liere, Ray
    Abstract:
    We developed and investigated machine learning methods that require minimal preprocessing of the input data, use few training examples, run fast, and still obtain high levels of accuracy. Most approaches to designing machine learning programs are based on the supervised learning paradigm – training examples are chosen randomly and given...
    Resource Type:
    Dissertation
    Full Text:
    students’ interests mesh with the specialization areas of the professor. Howev er, Prof. Tadepalli gav e

  • Adaptation-based programming

    Creator:
    Bauer, Tim
    Abstract:
    Partial programming is a field of study where users specify an outline or skeleton of a program, but leave various parts undefined. The undefined parts are then completed by an external mechanism to form a complete program. Adaptation-Based Programming (ABP) is a method of partial programming that utilizes techniques from...
    Resource Type:
    Dissertation
    Full Text:
    take: N, E, S, and W. • T is a transition probability function T (s0|s,a), which indicates the

  • Algorithms for massive biological datasets

    Creator:
    Bryant, Douglas W. (Douglas Wesley)
    Abstract:
    Within the past several years the technology of high-throughput sequencing has transformed the study of biology by offering unprecedented access to life's fundamental building block, DNA. With this transformation's potential a host of brand-new challenges have emerged, many of which lend themselves to being solved through computational methods. From de...
    Resource Type:
    Dissertation
    Full Text:
    software, QSRA, created in an e↵ort to form longer contigs even through areas of low coverage and high

  • An Investigation of the Effects of Merge Conflicts on Collaborative Software Development

    Creator:
    Brindescu, Caius
    Abstract:
    Merge conflicts have long plagued software development. With larger and more dispersed teams comes greater risk of developers working on the same code at the same time. While merge conflicts are known to be painful, their exact impact on software is still largely unknown. Are merge conflicts an isolated problem,...
    Resource Type:
    Dissertation

  • Analysis of Bayesian anytime inference algorithms

    Creator:
    Burgess, Scott Alan
    Abstract:
    This dissertation explores and analyzes the performance of several Bayesian anytime inference algorithms for dynamic influence diagrams. These algorithms are compared on the On-Line Maintenance Agent testbed, a software artifact permitting comparison of dynamic reasoning algorithms used by an agent on a variety of simulated maintenance and monitoring tasks. Analysis...
    Resource Type:
    Dissertation
    Full Text:
    ]. Approximation may be of mimmal help in many POMDP domains: optimal stationary policies can be E-approximated