Now showing items 842-861 of 1516

    • N-Version programming for the detection of zero-day exploits 

      Nagy, Lajos; Ford, Richard; Allen, William (2006-02-04)
      Using N-Version programming techniques to increase software reliability is a well-explored field. In this paper, we extend the concept to the detection of new security vulnerabilities. Using our own N-Version arbiter, ...
    • NASA JPL Smart Breakout Box 2.0 

      Fisher, Joseph; Jones, Carlos Gross; Schultz, Daniel; Gambardella, Tom; Dillon, John
      The JPL Smart Breakout Box 2.0 (JSB2) team was tasked by the NASA Jet Propulsion Lab to design and construct a universal automated breakout box to be used for testing any electrical system at JPL.
    • NASA-JPL Google Glass 

      Amankwah, Daniel; Brandler, Sam; Chokshi, Shawn; Oliver, Rasheed; Stratton, Michael; Williams, Michael; Zappala, Peter
      The NASA-JPL Google Glass team seeks to further enhance the working conditions of assemblers at the NASA-JPL assembly warehouses. When an assembler is working, it is necessary to retrieve information about an assembly item. ...
    • NAT Traversal Techniques and UDP Keep-Alive Interval Optimization 

      Widmer, Christopher Daniel (2015-07)
      NAT traversal presents a challenge to Peer to Peer (P2P) applications, as in many instances a third party is needed to help initiate communication between two hosts when one is behind one or more NAT devices. Much work has ...
    • Natural gas to oxygenated gasoline 

      Boger, Craig; Collins, Reid; Romines, Corey; Worrell, Julia
      Methane is taken from a variety of sources including landfill, drilling flare, or standard pipeline and converted to gasoline and ethanol. This is accomplished by utilizing rapid prototype inorganic nanowire catalysts in ...
    • Near real-time operation of public image database for ground vehicle navigation 

      Ali, Ehsan A.; Kozaitis, Samuel P. (2015-02-10)
      An effective color night vision system for ground vehicle navigation should operate in near real-time to be practical. We described a system that uses a public database as a source of color information to colorize night ...
    • Network traffic anomaly detection based on packet bytes 

      Mahoney, Matthew V. (2002-09-06)
      Hostile network traffic is often "different" from benign traffic in ways that can be distinguished without knowing the nature of the attack. We describe a two-stage anomaly detection system for identifying suspicious ...
    • Neutral pion production with respect to centrality and reaction plane in Au+Au collisions at √sNN=200 GeV 

      Adare, Andrew Marshall; Afanasiev, Sergei V.; Aidala, C.; Ajitanand, N. N.; Akiba, Yasuyuki; Al-Bataineh, H.; Alexander, Jim P.; Baksay, Gyöngyi; Baksay, Laszlo; Hohlmann, Marcus (2013-03-28)
      The PHENIX experiment has measured the production of π0s in Au+Au collisions at √sNN = 200 GeV. The new data offer a fourfold increase in recorded luminosity, providing higher precision and a larger reach in transverse ...
    • A new approach to scalable Linda-systems based on swarms (EXTENDED VERSION) 

      Menezes, Ronaldo; Tolksdorf, Robert (2003-03-07)
      Natural forming multi-agent systems (aka Swarms) have the ability to grow to enormous sizes without requiring any of the agents to oversee the entire system. The success of these systems comes from the fact that agents are ...
    • New Bounds for the k-out-of-n Type Probabilities and Their Applications 

      Binmahfoudh, Ahmed Mohammed (2017-04)
      The contribution of the shape information of the underlying distribution in probability bounding problem is investigated and an efficient linear programming based bounding methodology, which takes advantage of the advanced ...
    • NEW CONSTRAINTS ON QUANTUM GRAVITY FROM X-RAY AND GAMMA-RAY OBSERVATIONS 

      PERLMAN, ERIC S.; Rappaport, Saul A.; Christiansen, Wayne A.; Ng, Yeejack; Devore, John G.; Pooley, David A. (2015-05-20)
      One aspect of the quantum nature of spacetime is its “foaminess” at very small scales. Many models for spacetime foam are defined by the accumulation power α, which parameterizes the rate at which Planck-scale ...
    • A new heavy ion abundance enrichment pattern in ³He-rich solar particle events 

      Mason, Glenn M.; Mazur, Joseph E.; Dwyer, Joseph R. (2002-01-20)
      We report the first examples of ³He-rich solar energetic particle (SEP) events with heavy ion enrichments that are not ordered generally by mass. A second new feature is the large enrichment of ¹⁴N, the first time large ...
    • A new look at the local white dwarf population 

      Holberg, Jay B.; Sión, Edward M.; Oswalt, T. D.; McCook, George P.; Foran, S.; Subasavage, John P. (2008-04)
      We have conducted a detailed new survey of the local population of white dwarfs lying within 20 pc of the Sun. A new revised catalog of local white dwarfs containing 122 entries (126 individual degenerate stars) is presented. ...
    • A new method to describe image theory for an imperfect conductor 

      Meredith, Scott L.; Earles, Susan K.; Turner, Niescja E. (2010)
      Problem statement: Modify the equations associated with image theory in order to account for perfect and imperfect conductors. Approach: A novel approach for describing the application of image theory for an imperfect ...
    • A new multispectral imaging instrument for in-situ characterization of flocs and colloidal aggregates in natural waters 

      Bostater, Charles R. (2016-04-17)
      In-situ sampling, characterization and quantification of colloidal aggregates and flocs in ambient water is complex but needed in order to understand their role in development and maintenance of moving fluid muds, muck, ...
    • A new phenomenon in impulsive-flare-associated energetic particles 

      Chollet, Eileen E.; Giacalone, Joe; Mazur, Joseph E.; Dayeh, M. A. (2007-11-01)
      We present ACE/ULEIS and Wind/STEP observations of a new and unusual feature of energetic ions between 0.02 and 3 MeV nucleon ˉ¹ associated with impulsive solar flares. In addition to the usual velocity dispersion associated ...
    • Nicmos polarimetry of "polar-scattered" Seyfert 1 galaxies 

      Batcheldor, Daniel P.; Robinson, Andrew Edward; Axon, David J.; Young, Stuart; Quinn, S.; Smith, James E.; Hough, James H.; Alexander, David M. (2011-08-16)
      The nuclei of Seyfert 1 galaxies exhibit a range of optical polarization characteristics that can be understood in terms of two scattering regions producing orthogonal polarizations: an extended polar scattering region ...
    • A non-markovian queueing system with a variable number of channels 

      Rosson, H. T.; Dshalalow, Jewgeni H. (2003)
      In this paper we study a queueing model of type GI/M/m̃a/∞ with m parallel channels, sonic of which may suspend their service at specified random moments of time. Whether or not this phenomenon occurs depends on the queue ...
    • Non-potential fields in the quiet Sun network: extreme-ultraviolet and magnetic footpoint observations 

      Chesny, David L.; Oluseyi, Hakeem M.; Orange, Norton B. (2013-11-20)
      The quiet Sun (QS) magnetic network is known to contain dynamics which are indicative of non-potential fields. Non-potential magnetic fields forming “S-shaped” loop arcades can lead to the breakdown of static activity and ...