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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...
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    Dissertation
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    Computer Science presented on May 25, 2007. Title: Designing and Understanding Information

  • 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

  • Essays on information economics

    Creator:
    Youn, Hyungho
    Abstract:
    This dissertation addresses three topics on information economics. Generally, information is not perfect or costless as classical economics assumes. Thus, a consumer searches information at his cost or a seller provides information at his cost. First, chapter 2 presents a theoretical model where a consumer searches for local brand information....
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    Dissertation
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    information has a larger market share. Second, chapter 3 presents a theoretical model where a store

  • The spatial resolution of information in a diffusive cytoplasm

    Creator:
    Sellers, Drew L.
    Abstract:
    Every cell is faced continuously with the task of transducing a vast number of external signals into appropriate intracellular responses. In mammalian cells, membrane bound receptors modulate the production of secondary messenger molecules, such as cyclic AMP (cAMP). Cell signaling through second messengers relies on the diffusion of such second...
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    Dissertation
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    The spatial resolution of information in a diffusive cytoplasm

  • Essays on market imperfection

    Creator:
    Sohn, Saeyoon
    Abstract:
    This dissertation addresses two topics on market imperfections. First, chapter 2 presents a theoretical model that focuses on problems associated with informational asymmetry. The model presents a dynamic signaling game between a monopolist manufacturer and a monopolist retailer, where demand is uncertain and only the retailer is privately informed. This...
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    Dissertation
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    under complete information. (3) If3O'/4r1< 0L Separating equilibrium is that each type chooses the

  • Some contributions to asymmetric error control codes

    Creator:
    Elmougy, Samir
    Abstract:
    In some practical systems, most of the errors are of 1 → 0 type and 0 → 1 errors occur very rarely. In this thesis, first, the capacity of the asymmetric channel is derived. The capacity of the binary symmetric channel (BSC) and the Z-channel can be derived from this...
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    Dissertation
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    Asymmetric Error Detecting (AAED) codes. (3) Type-I Hybrid ARQ protocols using t-Asymmetric Error Correcting

  • Computing entropy for Z²-actions

    Creator:
    Pierce, Larry A.
    Abstract:
    For a certain class of Z²-actions, we provide a proof of a conjecture that the ratio of the Perron eigenvalues of the transfer matrices of the free boundary restrictions converge to the entropy of that action. Also, a novel method for computing the entropy of Z²-actions is conjectured.
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    Dissertation
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    -actions . . . . . . . . . . . . . . . . . . . . . . . . 14 3 Generating the transition matrices for Z2

  • Error control techniques for the Z-channel

    Creator:
    Oprisan, Paul
    Abstract:
    The asymmetric nature of bit errors in several practical applications provides grounds for efficient error control techniques. The Z-channel model and special classes of codes like asymmetric error detection codes and t-asymmetric error correcting/d-asymmetric error detecting codes can be successfully used in ARQ protocols for feedback error control enhancement. This...
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    Dissertation
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    mod 2, respectively, where w0 is the number of 0's in the information word. So, the 2 and 3

  • Spatial and inter-temporal price analysis : including risk perceptions and dynamic trade flow information

    Creator:
    Han, Shengfei
    Abstract:
    A regime-switching model for market integration study is extended to incorporate dynamic trade flow information and risk perceptions based on an expected utility framework. An application of the extended model to the US-China soybean markets analysis shows that: One, the positive arbitrage rent uncounted-for in the extended model has been...
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    Dissertation
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    ). Information regarding the extent of market integration for commodities provides 3 important information