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Displaying 30676 - 30700 of 73812

Guide to General Server Security

July 25, 2008
Author(s)
Karen A. Scarfone, Wayne Jansen, Miles C. Tracy
The purpose of this document is to assist organizations in understanding the fundamental activities performed as part of securing and maintaining the security of servers that provide services over network communications as a main function. The document

Guide to Securing Legacy IEEE 802.11 Wireless Networks

July 25, 2008
Author(s)
Karen A. Scarfone, Derrick Dicoi, Matt Sexton, Cyrus Tibbs
The purpose of this document is to provide guidance to organizations in securing their legacy Institute of Electrical and Electronics Engineers (IEEE) 802.11 wireless local area networks (WLAN) that cannot use IEEE 802.11i. The document provides an

Forensic Protocol Filtering of Phone Managers

July 24, 2008
Author(s)
Wayne Jansen, Aurelien M. Delaitre
Phone managers are non-forensic tools sometimes used by forensic investigators to recover data from a cell phone when no suitable forensic tool is available for the device. While precautions can be taken to preserve the integrity of data on a cell phone

Mechanisms of Moisture Attack in Adhesive bonds Exposed to High Humidity

July 23, 2008
Author(s)
Kar T. Tan, Christopher C. White, Cyril Clerici, Donald L. Hunston, Bryan D. Vogt, Sushil K. Satija, Joshua E. Goldman, Kristen L. Steffens
Studies have show that certain adhesive joints exhibit a dramatic loss of strength when exposed to humidities above a certain critical value. Although much is know about this effect, questions still exist. This study combines neutron reflectivity

Infrared Absolute Calibrations Down to 10 fW in Low-Temperature Environments at NIST

July 22, 2008
Author(s)
Adriaan C. Carter, Raju V. Datla, Timothy Jung, Solomon Woods
The Low Background Infrared (LBIR) facility at the National Institute of Standards and Technology (NIST) is responsible for absolute IR radiometric calibrations (SI traceable) in low-background temperature (below 80 K) environments. IR radiometric test

Ballistic Resistance of Body Armor.

July 21, 2008
Author(s)
Kirk D. Rice, Michael A. Riley, Amanda L. Forster
This Office of Law Enforcement Standards (OLES) performance standard provides the criteria, requirements, methodology, and procedures for ballistic resistance evaluation of personal body armor, under the jurisdiction of the NIJ Compliance Testing Program

Limits of Opinion-Finding Baseline Systems

July 21, 2008
Author(s)
Ian M. Soboroff, Craig Macdonald, Ben He, Iadh Ounis
In opinion-finding, the retrieval system is tasked with re- trieving not just relevant documents, but which also express an opinion towards the query target entity. Most opinion- finding systems are based on a two-stage approach, where initially the system

Negative-Bias Temperature Instability Induced Electron Trapping

July 21, 2008
Author(s)
Jason P. Campbell, Kin P. Cheung, John S. Suehle, A Oates
Despite four decades of research, the physics responsible for the negative bias temperature instability (NBTI) in p-channel metal-oxide-silicon field-effect-transistors is still unresolved. The current NBTI debate focuses on the dominance of either a hole

Population-imbalanced fermions in harmonically trapped optical lattices

July 21, 2008
Author(s)
Menderes Iskin, Carl J. Williams
The attractive Fermi-Hubbard Hamiltonian is solved via the Bogoliubov-de Gennes formalism to analyze the ground state phases of population imbalanced fermion mixtures in harmonically trapped two-dimensional optical lattices. In the low density limit the

Relevance assessment: are judges exchangeable and does it matter?

July 21, 2008
Author(s)
Ian M. Soboroff, Peter Bailey, Nick Craswell, Alan Smeaton, Emine Yilmaz, Paul Thomas
We investigate to what extent people making relevance judgments for a reusable IR test collection are exchangeable. We consider three classes of judge: gold standard judges, who are topic origi- nators and are experts in a particular information seeking

Ultra fast quantum key distribution over a 97-km installed telecom fiber with wavelength-division-multiplexing clock synchronization

July 21, 2008
Author(s)
Akihiro Tanaka, Mikio Fujiwara, Sae Woo Nam, Yoshihiro Nambu, Seigo Takahashi, Wakako Maeda, Ken-ichiro Yoshino, Shigehito Miki, Burm Baek, Z. Wang, Akio Tajima, Masahide Sasaki, Akihisa Tomita
We demonstrated ultra fast BB84 quantum key distribution (QKD) transmission at 625 MHz clock rate through a 97 km field-installed fiber using practical clock synchronization based on wavelength-division-multiplexing (WDM). We succeeded in over-one-hour

Web Services Security: Techniques and Challenges (Extended Abstract)

July 21, 2008
Author(s)
Anoop Singhal
Web services-based computing is currently an important driver for the software industry. While several standards bodies (such as W3C and OASIS) are laying the foundation for Web services security, several research problems must be solved to make secure Web

On the Fluorescence From Integrating Spheres

July 20, 2008
Author(s)
Ping-Shine Shaw, Zhigang Li
Our recent study of the performance of integrating spheres shows prominent UV induced fluorescence features that are associated with contamination of the diffusing wall material by hydrocarbons. Because of multiple reflections of the radiation inside the

Sensor Experiments to Facilitate Robot Use in Assistive Environments

July 19, 2008
Author(s)
Roger V. Bostelman, James S. Albus
In this paper, we describe the mobile robot and sensor research and development toward assistive devices ongoing at the National Institute of Standards and Technology (NIST). Through mobility research projects, NIST has been studying advanced sensor

Materials Science &Technology (MS&T) 2008 Conference & Exhibition

July 18, 2008
Author(s)
Winnie K. Wong-Ng
The Materials Science &Technology 2008 Conference & Exhibition took place in the David L. Lawrence Convention Center in Pittsburgh, Pennsylvania from October 5-9. The MS&T 2008 Conference was a great success, with a total more than 1000 papers presented in

Microfluidic DNA Analysis Systems for Forensic Applications

July 18, 2008
Author(s)
Michael Gaitan, Jayna J. Shah, Darwin Reyes-Hernandez, Pierre-Alain Auroux, Jon Geist, Laurie E. Locascio, Wyatt N. Vreeland, David J. Ross, Peter Vallone, Paul Smith, Nicole Morgan, Tom Pohida, John Kakareka, Annelise Barron
This report summarizes the NIST effort on microfluidic DNA analysis systems for forensic applications sponsored by the National Institute of Justice. Currently emerging microfluidics-based forensic systems are implemented in silica (glass) because the

An Attack Graph Based Probabilistic Security Metric

July 16, 2008
Author(s)
Lingyu Wang, Tania Islam, Tao Long, Anoop Singhal, Sushil Jajodia
To protect critical resources in today's networked environments, it is desirable to quantify the likelihood of potential multi-step attacks that combine multiple vulnerabilities. This now becomes feasible due to a model of causal relationships between
Displaying 30676 - 30700 of 73812
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