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Information Technology

Data & informatics

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Displaying 501 - 525 of 661

Window-Based Applications of TRC Databases: Structure and Internet Distribution

January 1, 2001
Author(s)
X. Yan, Qian Dong, Michael D. Frenkel, K. R. Hall
Thermophysical and thermochemical property data on organic compounds provide vital background information for scientific and engineering communities in both academic and industrial environments. The Thermodynamics Research Center (TRC) has collected an

Accelerating Scientific Discovery through Computation and Visualization

November 1, 2000
Author(s)
James S. Sims, John G. Hagedorn, Peter M. Ketcham, Steven G. Satterfield, Terence J. Griffin, William L. George, H A. Fowler, B A. am Ende, Howard Hung, Robert B. Bohn, John E. Koontz, Nicos Martys, Charles E. Bouldin, James A. Warren, D L. Feder, Charles W. Clark, Bernard J. Filla, Judith E. Terrill
The rate of scientific discovery can be accelerated through computation and visualization. This acceleration results from the synergy of expertise, computing tools, and hardware for enabling high performance computation, information science, and

TREC Video Retrieval Evaluation Website

November 1, 2000
Author(s)
Paul D. Over
This paper demonstrates that, for large-scale tests, the match and non-match similarity scores have no specific underlying distribution function. The forms of these distribution functions require a nonparametric approach for the analysis of the fingerprint

NIST Data Resources for X-Ray Photoelectron Spectroscopy

October 1, 2000
Author(s)
Cedric J. Powell
A short description is given of data resources that are available from the National Institute of Standards and Technology (NIST) for X-Ray Photoelectron Spectroscopy (XPS). NIST currently has three databases available: an XPS Database (SRD 20), an Elastic

Digital Video Test Collection

September 15, 1999
Author(s)
Carolyn M. Schmidt, Paul D. Over
By the end of 1999, the National Institute of Standards and Technology (NIST) plans to release the first installment of a public-domain digital video test collection. This first installment contains a series of digitized videos and their transcripts which

A Policy Perspective on Electronic Commerce

September 1, 1999
Author(s)
E Maxwell, S A. Wakid, J A. Moline
On July 1, 1997, President Clinton issued A Framework for Global Electronic Commerce identifying nine areas in which international agreements would be needed in order to preserve the Internet as a non-regulatory medium.The implementation of global

Object Retrieval and Access Management in Electronic Commerce

September 1, 1999
Author(s)
S A. Wakid, John Barkley, Mark Skall
Electronic commerce over the Internet is now tens of billions of dollars per year and growing. This article describes how objects used in EC can be located and protected from unauthorized access. It discusses the three kinds of EC: customer interactions

Role-Based Access Control Features in Commercial Database Management Systems

October 9, 1998
Author(s)
Ramaswamy Chandramouli, R. Sandhu
This paper analyzes and compares role-based access control (RBAC) features supported in the most recent versions of three popular commercial database management systems: Informix Online Dynamic Server Version 7.2, Oracle Enterprise Server Version 8.0 and
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