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Search Results: 1 - 10 of 297505 matches for " J. Renshaw "
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Melanocortin Peptide Therapy for the Treatment of Arthritic Pathologies
S. J. Getting,M. Kaneva,Y. Bhadresa,D. Renshaw
The Scientific World Journal , 2009, DOI: 10.1100/tsw.2009.163
Relations World: A Possibilistic Graphical Model
Christopher J. C. Burges,Erin Renshaw,Andrzej Pastusiak
Computer Science , 2014,
Abstract: We explore the idea of using a "possibilistic graphical model" as the basis for a world model that drives a dialog system. As a first step we have developed a system that uses text-based dialog to derive a model of the user's family relations. The system leverages its world model to infer relational triples, to learn to recover from upstream coreference resolution errors and ambiguities, and to learn context-dependent paraphrase models. We also explore some theoretical aspects of the underlying graphical model.
"A eficácia simbólica" revisitada: cantos de cura ayoreo
Renshaw, John;
Revista de Antropologia , 2006, DOI: 10.1590/S0034-77012006000100012
Abstract: the aim of this paper is to consider a specific field of amerindian knowledge, namely the sarode or curing songs of the ayoreo of the gran chaco, and to try to elucidate some of the taken-for-granted metaphysical assumptions that underlie ayoreo epistemology. following the approach taken in joanna overing's introduction to reason and morality (1985), i will suggest that even these apparently simple, repetitive curing songs have to be understood as part of a broader corpus of "mythical" knowledge and acquire their effectiveness or power, not through suggestion or metaphor but rather by harnessing the power of the "mythical" world of the jnani bajade, the "original beings" that were and still are both ayoreo and the ancestors or masters of the present-day animals, plants and minerals.
Research and Development for a Gadolinium Doped Water Cherenkov Detector
Andrew Renshaw
Physics , 2012,
Abstract: The proposed introduction of a soluble gadolinium (Gd) compound into water Cherenkov detectors can result in a high efficiency for the detection of free neutrons capturing on the Gd. The delayed 8 MeV gamma cascades produced by these captures, in coincidence with a prompt positron signal, serve to uniquely identify electron antineutrinos interacting via inverse beta decay. Such coincidence detection can reduce backgrounds, allowing a large Gd-enhanced water Cherenkov detector to make the first observation of supernova relic neutrinos and high precision measurements of Japan's reactor antineutrino flux, while still allowing for all current physics studies to be continued. Now, a dedicated Gd test facility is operating in the Kamioka Mine. This new facility houses everything needed to successfully operate a Gd doped water Cherenkov detector. Successful running of this facility will demonstrate that adding Gd salt to SK is both safe for the detector and is capable of delivering the expected physics benefits.
Solar Neutrino Results from Super-Kamiokande
Andrew Renshaw
Statistics , 2014,
Abstract: Super-Kamiokande-IV (SK-IV) data taking began in September of 2008, after upgrading the electronics and data acquisition system. Due to these upgrades and improvements to water system dynamics, calibration and analysis techniques, a solar neutrino signal could be extracted at recoil electron kinetic energies as low as 3.5 MeV. When the SK-IV data is combined with the previous three SK phases, the SK extracted solar neutrino flux is found to be $[2.37\pm0.015\mbox{(stat.)}\pm0.04\mbox{(syst.)}]\times10^6$/(cm$^{2}$sec). The combination of the SK recoil electron energy spectra slightly favors distortions due to a changing electron flavor content. Such distortions are predicted when assuming standard solar neutrino oscillation solutions. An extended maximum likelihood fit to the amplitude of the expected solar zenith angle variation of the neutrino-electron elastic scattering rate results in a day-night asymmetry of $[-3.2\pm1.1$(stat.)$\pm0.5$(syst.)]$\%$. A solar neutrino global oscillation analysis including all current solar neutrino data, as well as KamLAND reactor antineutrino data, measures the solar mixing angle as $\sin^2\theta_{12}=0.305\pm0.013$, the solar neutrino mass squared splitting as $\Delta m^2_{21}=7.49^{+0.19}_{-0.17}\times10^{-5}$eV$^2$ and $\sin^2\theta_{13}=0.026^{+0.017}_{-0.012}$.
Brain Phosphorus Magnetic Resonance Spectroscopy Imaging of Sleep Homeostasis and Restoration in Drug Dependence
George H. Trksak,J. Eric Jensen,Perry F. Renshaw,Scott E. Lukas
The Scientific World Journal , 2007, DOI: 10.1100/tsw.2007.233
Low-Light-Level Optical Interactions with Rubidium Vapor in a Photonic Bandgap Fiber
Saikat Ghosh,Amar R. Bhagwat,C. Kyle Renshaw,Shireen Goh,Brian J. Kirby,Alexander L. Gaeta
Physics , 2006, DOI: 10.1103/PhysRevLett.97.023603
Abstract: We show that a Rubidium vapor can be produced within the core of a photonic band-gap fiber yielding an optical depth in excess of 2000. Our technique for producing the vapor is based on coating the inner walls of the fiber core with an organosilane and using light-induced atomic desorption to release Rb atoms into the core. We develop a model to describe the dynamics of the atomic density, and as an initial demonstration of the potential of this system for supporting ultra-low-level nonlinear optical interactions, we perform electromagnetically-induced transparency with control-field powers in the nanowatt regime, which represents more than a 1000-fold reduction from the power required for bulk, focused geometries.
Sharyn Renshaw,Girija Krishnaswamy
Lex et Scientia , 2008,
Abstract: This paper will provide critical analysis of Australia’ knowledge strategy, conducted from the perspective that driving a national knowledge strategy is the predominant responsibility of government for reasons of impartiality. As such critique will be focused upon the actionsundertaken by the Australian government to position the nation as a Knowledge-based Economy (KBE) competitively within the global community. It will be argued that to qualify for the title of “knowledge nation” the country needs to perform well across a composite range of factors. Examination of composite strategies will be conducted within a model of Knowledge Development, categorising the government’s knowledge sourcing, abstraction, conversion, diffusion and refinement strategies. The paper will conclude with recommendations for improving Australia’s position within the global knowledge economy and consequently within the global information community.
Covers of acts over monoids II
Alex bailey,James Renshaw
Mathematics , 2012,
Abstract: In 1981 Edgar Enochs conjectured that every module has a flat cover and finally proved this in 2001. Since then a great deal of effort has been spent on studying different types of covers, for example injective and torsion free covers. In 2008, Mahmoudi and Renshaw initiated the study of flat covers of acts over monoids but their definition of cover was slightly different from that of Enochs. Recently, Bailey and Renshaw produced some preliminary results on the `other' type of cover and it is this work that is extended in this paper. We consider free, divisible, torsion free and injective covers and demonstrate that in some cases the results are quite different from the module case.
Weak Factorization Systems for S-acts
Alex Bailey,James Renshaw
Mathematics , 2013,
Abstract: The concept of a weak factorization system has been studied extensively in homotopy theory and has recently found an application in one of the proofs of the celebrated flat cover conjecture, categorical versions of which have been presented by a number of authors including Rosicky [15]. One of the main aims of this paper is to draw attention to this interesting concept and to initiate a study of these systems in relation to flatness of $S-$acts and related concepts.
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