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Fourth Annual USENIX Tcl/Tk Workshop, 1996
The NR Newsreader
Jonathan L. Herlocker
Department of Computer Science
University of Minnesota
Minneapolis, MN
Abstract
NR is a point and click GUI interface for browsing Usenet news. The NR
interface is built using the Tk interface toolkit, and coded entirely
in the Tcl scripting language. NR was designed as a framework for
pursuing research into electronic information browsing. As a result,
NR had strong requirements for configurability, extensibility,
portability, and performance. This paper describes how those
requirements were met through the use of features and extensions of
the Tcl/Tk scripting language. The paper a lso describes some of the
information filtering technologies implemented in NR.
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