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Displaying 4626 - 4650 of 5424

The Tenth Text Retrieval Conference, TREC- 2001

April 1, 2002
Author(s)
Ellen M. Voorhees, Donna K. Harman
TREC 2001 is the latest in a series of workshops designed to foster research in information retrieval and related tasks. This year's conference consisted of six different tasks, including a new task on content-based retrieval of digital video. The overview

Standard Reference Material 1749: Au/Pt Thermocouple Thermometer

March 1, 2002
Author(s)
Dean C. Ripple, G W. Burns
Standard Reference Material (SRM) 1749 is a lot of 18 specially-constructed gold versus platinum (Au/Pt) thermocouple thermometers, each calibrated on the International Temperature Scale of 1990 (ITS-90) and supplied with integral lead wires and a

Recommendation for Block Cipher Modes of Operation Methods and Techniques

December 1, 2001
Author(s)
Morris J. Dworkin
This recommendation defines five confidentiality modes of operation for use with an underlying symmetric key block cipher algorithm: Electronic Codebook (ECB), Cipher Block Chaining (CBC), Cipher Feedback (CFB), Output Feedback (OFB), and Counter (CTR)

Underlying Technical Models for Information Technology Security

December 1, 2001
Author(s)
G Stoneburner
Underlying Technical Models for Information Technology Security provides a description of the technical foundations, termed models, that underlie secure information technology (IT). The intent is to provide, in a concise form, the models that should be

The Ninth Text REtrieval Conference (TREC-9)

October 1, 2001
Author(s)
Ellen M. Voorhees, Donna K. Harman
This paper provides an overview of the ninth Text REtrieval Conference (TREC-9) held in Gaithersburg, Maryland, November 13-16, 2000. TREC-9 is the latest in a series of workshops designed to foster research in text retrieval. This year's conference

Design of a File Format for Logging Website Interaction

April 1, 2001
Author(s)
John V. Cugini, Sharon J. Laskowski
The logging of user behavior in support of Web usability testing is constrained by the difficulty of capturing and analyzing large amounts of logged data. However, there is great potential for the development of tools to support automated recording and

The FLUD format: Logging Usability Data from Web-based Applications

January 24, 2001
Author(s)
John V. Cugini
This paper presents a proposed format for representing the behavior of users as they interact with a Web-based application. The captured log data can be valuable for analyzing and improving the usability of such applications. The background and motivation

The Eighth Text REtrieval Conference (TREC-8)

November 1, 2000
Author(s)
Ellen M. Voorhees, Donna K. Harman
This report constitutes the proceedings of the eighth Text REtrieval Conference (TREC-8) held in Gaithersburg, Maryland, November 16, 1999. The conference was co-sponsored by the National Institute of Standards and Technology (NIST) and the Defense

Techniques to Measure Magnetic Domain Structures

September 11, 2000
Author(s)
Robert Celotta, John Unguris, Michael H. Kelley, Daniel T. Pierce
A summary of the current techniques for magnetic domain imaging of materials, including the practical aspects of each technique, the requirements on the sample, the specimen modification allowed and the problems normally encountered. References to more

Optical Fiber Power Meter Nonlinearity Calibrations at NIST

August 1, 2000
Author(s)
Igor Vayshenker, Shao Yang, Xiaoyu X. Li, Thomas Scott, Christopher L. Cromer
We describe a system for measuring the response nonlinearity of optical fiber power meters and detectors over a wide power dynamic range at telecommunication wavelengths. The system uses optical fiber components and is designed to accommodate commonly used

Optical Fiber Power Meter Calibrations at NIST

June 1, 2000
Author(s)
Igor Vayshenker, Xiaoyu X. Li, David J. Livigni, Thomas Scott, Christopher L. Cromer
NIST has established measurement services for the calibration of optical fiber power meters at the three nominal wavelengths of 850, 1300, and 1550 nm using either collimated beam or optical fiber/connector configurations. This paper describes the

Secondary Ferrite Number Reference Materials: Gage Calibration and Assignment of Values

February 1, 2000
Author(s)
Christopher N. McCowan, Thomas A. Siewert, D P. Vigliotti, C M. Wang
Ferrite Numbers (FN) were assigned to blocks of stainless steel that serve as secondary ferrite reference materials (RM 8480 and 8481), and these specimens were placed in our Reference Materials inventory. These reference materials are used to calibrate
Displaying 4626 - 4650 of 5424
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