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    Chapter and Conference Paper

    On Multidimensional Wavelet Synopses for Maximum Error Bounds

    Having been extensively used to summarize massive data sets, wavelet synopses can be classified into two types: space-bounded and error-bounded synopses. Although various research efforts have been made for th...

    Qing Zhang, Chaoyi Pang, David Hansen in Database Systems for Advanced Applications (2009)

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    Chapter and Conference Paper

    Improving the Use, Analysis and Integration of Patient Health Data

    Health Information Technologies (HIT) are being deployed world- wide to improve access to individual patient information. Primarily this is through the development of electronic health records (EHR) and electr...

    David Hansen, Mohan Karunanithi in Advanced Web and Network Technologies, and… (2008)

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    Chapter and Conference Paper

    Building Data Synopses Within a Known Maximum Error Bound

    The constructions of Haar wavelet synopses for large data sets have proven to be useful tools for data approximation. Recently, research on constructing wavelet synopses with a guaranteed maximum error has gai...

    Chaoyi Pang, Qing Zhang, David Hansen in Advances in Data and Web Management (2007)