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Information Technology

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Displaying 451 - 475 of 2284

NIST Big Data Interoperability Framework: Volume 9, Adoption and Modernization

June 26, 2018
Author(s)
Wo L. Chang, Russell Reinsch, NBD-PWG NIST Big Data Public Working Group
The potential for organizations to capture value from Big Data improves every day as the pace of the Big Data revolution continues to increase, but the level of value captured by companies deploying Big Data initiatives has not been equivalent across all

Towards Developing Standardized Usability Evaluation Methodology for Public Safety Communications Technology: A User-Centered Approach

June 14, 2018
Author(s)
Kristen Greene, Shanee T. Dawkins, Yee-Yin Choong, Mary F. Theofanos, Sandra S. Prettyman, Susanne M. Furman, Michelle P. Steves
In public safety and homeland security, it is critical to understand technology users’ primary goals, the characteristics of the users, and the context in which they are operating. New and emerging technologies present opportunities and challenges for

Assessing Security Requirements for Controlled Unclassified Information

June 13, 2018
Author(s)
Ronald S. Ross, Kelley L. Dempsey, Victoria Y. Pillitteri
The protection of Controlled Unclassified Information (CUI) resident in nonfederal systems and organizations is of paramount importance to federal agencies and can directly impact the ability of the federal government to successfully conduct its assigned

Internet of Things (IoT) Metrology

June 11, 2018
Author(s)
Jeff Voas, D. Richard Kuhn, Phillip Laplante
The field of metrology has evolved into many classes and viewpoints over centuries of time. What we are suggesting is how that body of knowledge may be applicable to IoT and where the research opportunities for new measures that are IoT-centric might be in

Security Recommendations for Server-based Hypervisor Platforms

June 7, 2018
Author(s)
Ramaswamy Chandramouli
The Hypervisor platform is a collection of software modules that provides virtualization of hardware resources (such as CPU, Memory, Network and Storage) and thus enables multiple computing stacks (made of an operating system (OS) and application programs)

Superconducting optoelectronic networks V: networks and scaling

May 17, 2018
Author(s)
Jeffrey M. Shainline, Jeffrey T. Chiles, Sonia M. Buckley, Adam N. McCaughan, Richard P. Mirin, Sae Woo Nam
Networks of superconducting optoelectronic neurons are investigated for their near-term technological potential and long-term physical limitations. Networks with short average path length, high clustering coefficient, and power-law degree distribution are

Superconducting optoelectronic networks IV: transmitter circuits

May 9, 2018
Author(s)
Jeffrey M. Shainline, Adam N. McCaughan, Sonia M. Buckley, Richard P. Mirin, Sae Woo Nam, Amir Jafari-Salim
A superconducting optoelectronic neuron will produce a small current pulse upon reaching threshold. We present an amplifier chain which converts this small current pulse to a voltage pulse sufficient to produce light from a semiconductor diode. This light

Cloud Computing Service Metrics Description

April 24, 2018
Author(s)
Frederic J. de Vaulx, Eric D. Simmon, Robert B. Bohn
With cloud computing in the mainstream, there is a preponderance of cloud based services in the market and the choices for consumers increase daily. However, comparing the service offerings between cloud service providers is not a straightforward exercise

Combinatorial Security Testing Course

April 11, 2018
Author(s)
Dimitris Simos, Yu Lei, D. Richard Kuhn, Raghu N. Kacker
Combinatorial methods have attracted attention as a means of providing strong assurance at reduced cost, but when are these methods practical and cost-effective? This tutorial comprises two parts. The first introductory part will briefly explain the back-

Improved Cryptanalysis of HFEv- via Projection

April 1, 2018
Author(s)
Jintai Ding, Ray Perlner, Albrecht R. Petzoldt, Daniel Smith-Tone
The HFEv- signature scheme is one of the most studied multivariate schemes and one of the major candidates for the upcoming standardization of post-quantum digital signature schemes. In this paper, we propose three new attack strategies against HFEv-, each

Safeguards for Securing Virtualized Servers

March 27, 2018
Author(s)
Ramaswamy Chandramouli, Larry Feldman, Gregory A. Witte
This bulletin summarizes the information found in NIST SP 800-125A: Security Recommendations for Hypervisor Deployment on Servers, which provides technical guidelines regarding the secure execution of baseline functions of the hypervisor and are therefore

Small Low-Depth Circuits for Cryptographic Applications

March 24, 2018
Author(s)
Joan Boyar, Magnus G. Find, Rene Peralta
We present techniques to obtain small circuits which also have low depth. The techniques apply to typical cryptographic functions, as these are often specified over the field GF(2), and they produce circuits containing only AND, XOR and XNOR gates. The

Computer Science in Education 2018

February 14, 2018
Author(s)
Jeff Voas, D. Richard Kuhn, Celia Paulsen, Kim B. Schaffer
We surveyed six of our profession's best senior computer science educators for their views on the current state and trends in computer science education.

Educating Next-Gen Computer Scientists

January 31, 2018
Author(s)
Jeff Voas, D. Richard Kuhn, Celia Paulsen, Kim B. Schaffer
Just as yeast, flour, water, and salt are to bread, algorithms, data structures, operating systems, database design, compiler design, and programming languages were computer science (CS) education's core ingredients in past years. Then, universities led
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