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  • Information foraging in debugging

    Creator:
    Lawrance, Joseph A.
    Abstract:
    Programmers spend a substantial fraction of their debugging time by navigating through source code, yet little is known about how programmers navigate. With the continuing growth in size and complexity of software, this fraction of time is likely to increase, which presents challenges to those seeking both to understand and...
    Resource Type:
    Dissertation
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    theory. Chapter 3 describes how information foraging theory relates to prior research into the

  • Designing and understanding information retrieval systems using collaborative filtering in an academic library environment

    Creator:
    Jung, Seikyung
    Abstract:
    Accessing information on the Web has become ingrained into our daily lives, and we seek information from many different sources, including conference and journal publications, personal web pages, and others. Increasingly, web-based information retrieval systems such as web-based search engines, library on-line catalog systems, and subscription-based federated search systems are...
    Resource Type:
    Dissertation
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    Computer Science presented on May 25, 2007. Title: Designing and Understanding Information

  • Automated web-based analysis and visualization of spatiotemporal data

    Creator:
    Keon, Dylan B.
    Abstract:
    Most data are associated with a place, and many are also associated with a moment in time, a time interval, or another linked temporal component. Spatiotemporal data (i.e., data with elements of both space and time) can be used to assess movement or change over time in a particular location,...
    Resource Type:
    Dissertation
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    of processing and analyzing spatial information, most contain no (or minimal) features for handling

  • A GIS approach to estimating continuous hydraulic conductivity and equivalent hydraulic conductivity

    Creator:
    Arras, Tracy Lynn
    Abstract:
    Estimating the hydraulic conductivity of earth materials is important for many water resource modeling efforts, including predicting the transport of pollutants in ground water, computing surface runoff for flood control, and computing water budgets. This research implicitly used topography, soil, and climate data to estimate plausible continuous hydraulic conductivity values...
    Resource Type:
    Dissertation
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    geographic information system (GIS) approach are plausible. Manuscript 1 investigated the effects of

  • Understanding and improving error-correcting output coding

    Creator:
    Kong, Eun Bae
    Abstract:
    Error-correcting output coding (ECOC) is a method for converting a k-classsupervised learning problem into a large number L of two-class supervised learningproblems and then combining the results of these L evaluations. Previous researchhas shown that ECOC can dramatically improve the classi cation accuracy of supervisedlearning algorithms that learn to classify...
    Resource Type:
    Dissertation
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    algorithm in splitting the feature space. ECOC is also extended to provide class probability information

  • Biogeochemical signals of mountainous forested watersheds' response to disturbance

    Creator:
    Guerrero-Bolaño Francisco J.
    Abstract:
    Small mountainous watersheds are disproportionate sources of land-derived particulate organic matter (POM) to long-term sinks like lake bottoms and the ocean. As such, these ecosystems are an essential component of the global carbon cycle. The burial of POM in lacustrine and marine sediments contributes to the drawdown of atmospheric CO2...
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    Dissertation
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    . Lastly, we calculated spectral entropies and the information content of particle size spectra from a

  • Interactive visualization of diversity in multivariate data sets unified across fields of study

    Creator:
    Pham, Tuan N. T.
    Abstract:
    The study of the diversity of multivariate objects shares common characteristics across disciplines, including ecology and organizational management. Nevertheless, experts in these two disciplines have adopted somewhat separate diversity concepts and analysis techniques, limiting the ability of potentially sharing and cross comparing these concerns. Moreover, while complex diversity data may...
    Resource Type:
    Dissertation
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    trends; and (3) HIST—a visual representation for communicating team diversity faultlines across

  • If you build it, will they come? Evolution towards the application of multi-dimensional GIS to fisheries-oceanography

    Creator:
    Vance, Tiffany C.
    Abstract:
    The development of new technologies in science is a balance between existence and use. There are three versions of this duality – something is built and users come, something is built and users don’t come, and, finally, potential users show up but the ballpark has not yet been built. In...
    Resource Type:
    Dissertation
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    unexpectedly slow development of multi-dimensional geographic information systems (GIS). The development of

  • Tensor Field Design and Analysis for Applications in Computer Graphics and Scientific Visualization

    Creator:
    Palacios, Jonathan
    Abstract:
    Many applications in computer graphics and geometry processing rely on the ability to locally orient 2D and 3D entities on a surface, or inside a volume, such as the sinusoidal kernels in Gabor noise, the color and geometry textures in pattern synthesis, and the finite elements in remeshing. In these...
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    Dissertation
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    . . . . . . . . . . . . . . . . 26 I 2D Tensor Fields 30 3 Rotational Symmetry Field Design On Surfaces 31 3.1 Vector-Based

  • Digitalization of Construction-Phase Information Management by Project Owners

    Creator:
    Jahanger, Qais K.
    Abstract:
    Construction is a strategically important industry and its productivity has a significant impact on a nation’s economy. However, productivity in the US construction industry has been widely reported to be on the decline. Among several causes identified, the lack of innovation in project management practices has been described as having...
    Resource Type:
    Dissertation
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    4 Manuscript # 3 – Implementation Framework for Digitalization of Construction- Phase Information