Tim Harrington

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The Newton MessagePad Personal Digital Assistant (PDA) is the first in a class of devices distinguished by their pen-based user interface, communications capability, small size, and low cost. A PDA operating system needs to support the simultaneous demands of user interface, applications, and communications. It must operate in an environment that has little(More)
A contemporary problem in data analysis is understanding the nature of high dimensional data sets. Given a set of points in a high-dimensional space, a key question is to determine its topological characteristics. One potential route toward topological classification would be through the standard machine learning methods. However, this approach is too(More)
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