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Displaying 4676 - 4700 of 5424

Information Technology: The Sixth Text Retrieval Conference (TREC-6)

August 1, 1998
Author(s)
Ellen M. Voorhees, Donna K. Harman
This paper provides an overview of the Sixth Text REtrieval Conference (TREC-6) held in Gaithersburg, Maryland, November 19-21, 1997. TREC-6 is the latest in a series of workshops designed to foster research in text retrieval. The paper describes the tasks

NIST Calibration Service for Capacitance Standards at Low Frequencies

April 1, 1998
Author(s)
Yui-May Chang, Summerfield B. Tillett
This document describes the capacitance calibration service provided by NIST, including measurement procedures and systems used to calibrate capacitance standards of nominal values in the range of 0.001 pF to 1 F, at frequencies up to 10 kHz. Discussed are

Spectral Reflectance

March 1, 1998
Author(s)
P Y. Barnes, Albert C. Parr, E A. Early
This document describes the instrumentation, standards, and techniques used to measure spectral reflectance over the ultraviolet, visible, and near infrared wavelength ranges. The organization is as follows. Part I describes the motivation for maintaining
Displaying 4676 - 4700 of 5424
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