U.S. flag

An official website of the United States government

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

Search Publications

NIST Authors in Bold

Displaying 21251 - 21275 of 74164

A Framework for Designing Cryptographic Key Management Systems

August 15, 2013
Author(s)
Elaine B. Barker, Miles Smid, Dennis Branstad, Santosh Chokhani
This Framework for Designing Cryptographic Key Management Systems (CKMS) contains topics that should be considered by a CKMS designer when developing a CKMS design specification. For each topic, there are one or more documentation requirements that need to

ACT-Touch Reference Manual, Working Draft

August 15, 2013
Author(s)
Kristen Greene, Franklin Tamborello
ACT-Touch is a set of manual motor request extensions for ACT-R 6 (Adaptive Control of Thought-Rational, hereafter, ACT-R) . These manual request extensions constitute theoretical claims predicting motor preparation and execution times for certain manual

Investigating the Application of Moving Target Defenses to Network Security

August 15, 2013
Author(s)
Rui Zhuang, Su Zhang, Alex Bardas, Scott DeLoach, Xinming Ou, Anoop Singhal
This paper presents a preliminary design for a moving-target defense (MTD) for computer networks to combat an attacker's asymmetric advantage. The MTD system reasons over a set of abstract models that capture the network's configuration and its operational

Overview of the TREC 2011 Microblog Track

August 15, 2013
Author(s)
Ian M. Soboroff, Iadh Ounis, Craig Macdonald, Jimmy Lin
The Microblog track examines search tasks and evaluation methodologies for information seeking behaviors in microblogging environments such as Twitter. It was first introduced in 2011, addressing a real-time adhoc search task, whereby the user wishes to

Radiation Studies of Spin-transfer Torque Materials and Devices

August 15, 2013
Author(s)
H. L. Hughes, Konrad Bussmann, Shu-Fan Cheng, Robert D. Shull, Andrew P. Chen, S. Schafer, T. Mewes, A. Ong, E. N. Chen
Spin-transfer torque film stacks and devices having in-plane magnetization were irradiated using a cobalt-60 gamma source. The film stacks have a biased, synthetic antiferromagnet spin-valve architecture. Measurements of magnetization vs. field

Segmented chirped-pulse Fourier transform submillimeter spectroscopy for broadband gas analysis

August 15, 2013
Author(s)
Justin L. Neill, Brent J. Harris, Amanda L. Steber, Kevin O. Douglass, David F. Plusquellic, Brooks H. Pate
Chirped-pulse Fourier transform spectroscopy has recently been extended to millimeter wave spectroscopy as a technique for the characterization of room-temperature gas samples. Here we present a variation of this technique that significantly reduces the

Economics of the U.S. Additive Manufacturing Industry

August 14, 2013
Author(s)
Douglas Thomas
There is a general concern that the US manufacturing industry has lost competitiveness with other nations. Additive manufacturing may provide an important opportunity for advancing US manufacturing while maintaining and advancing US innovation. Additive

Pulmonary and Cardiovascular Responses of Rats to Inhalation of Silver Nanoparticles

August 14, 2013
Author(s)
Jenny R. Roberts, Walt McKinney, Hong Kan, Kristine Krajnak, David G. Frazer, Treye Thomas, Stacey Waugh, Allison Kenyon, Robert I. MacCuspie, Vincent A. Hackley, Vincent Castranova
Rats were exposed by inhalation to filtered air or to a low (100 ug/m3 using a commercial antimicrobial product [20 mg/L silver]) or high (1000 ug/m3 using a suspension [200 mg/L silver] synthesized to have a similar size distribution) concentration of

Biometric Face Recognition: From Classical Statistics to Future Challenges

August 13, 2013
Author(s)
P J. Phillips, Geof H. Givens, J. R. Beveridge, Bruce A. Draper, David Bolme, Yui M. Lui
Automated face recognition has moved from science fiction to reality during the last twenty years. For high quality frontal face images, recognition errors have been cut in half every two years as more sophisticated algorithms are developed. Algorithms and

Correlation Coefficient and Loading Effects for MIMO Antennas in a Reverberation Chamber

August 13, 2013
Author(s)
Nick Janssen, Kate Remley, Christopher L. Holloway, William F. Young
The correlation coefficient is a common metric for assessing the performance of an antenna for a multiple-input, multiple-out wireless device. In this paper, the effect of loading a reverberation chamber on the calculation of the correlation coefficient is

Energy Metrics for Product Assembly Equipment and Processes

August 13, 2013
Author(s)
Shaw C. Feng, FNU Kumaraguru, Christopher U. Brown, Boonserm Kulvatunyou
A key factor deciding the capacity to increase the sustainability of final products is the energy efficiency. The energy embodied in a product is an aggregation of all of the energy embodied in the products' components and subsystems, expended through its

Integration of Energy Information for Product Assembly and Logistics Processes

August 13, 2013
Author(s)
Shaw C. Feng, FNU Kumaraguru, Kincho H. Law, Kyeong Rim Ahn
This paper presents an on-going effort at NIST to model the energy performance in assembly and supply chain processes as a part of a larger sus-tainability improvement goal. Energy performance modeling comprises two dis-tinct metrics like energy

Measurement Uncertainty in Cell Image Segmentation Data Analysis

August 13, 2013
Author(s)
Jin Chu Wu, Michael W. Halter, Raghu N. Kacker, John T. Elliott, Anne L. Plant
Cell image segmentation is a part of quantitative studies regarding cell movement and cell behavior, and it plays a critical role in molecular biology and cellular biochemistry. Therefore, it is fundamentally important to evaluate the performance levels of
Displaying 21251 - 21275 of 74164
Was this page helpful?