130 research outputs found

    Prototyping Virtual Data Technologies in ATLAS Data Challenge 1 Production

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    For efficiency of the large production tasks distributed worldwide, it is essential to provide shared production management tools comprised of integratable and interoperable services. To enhance the ATLAS DC1 production toolkit, we introduced and tested a Virtual Data services component. For each major data transformation step identified in the ATLAS data processing pipeline (event generation, detector simulation, background pile-up and digitization, etc) the Virtual Data Cookbook (VDC) catalogue encapsulates the specific data transformation knowledge and the validated parameters settings that must be provided before the data transformation invocation. To provide for local-remote transparency during DC1 production, the VDC database server delivered in a controlled way both the validated production parameters and the templated production recipes for thousands of the event generation and detector simulation jobs around the world, simplifying the production management solutions.Comment: Talk from the 2003 Computing in High Energy and Nuclear Physics (CHEP03), La Jolla, Ca, USA, March 2003, 5 pages, 3 figures, pdf. PSN TUCP01

    Reinventar la esclavitud, garantizar la libertad: De Saint-Domingue a Santiago a Nueva OrleĂĄns, 1803-1809

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    From French and Creole to Spanish, the domain of the Napoleonic Empire to the king of Spain, crossing the strait separating the French colony of Saint-Domingue and the Spanish colony of Cuba entailed a change of language and government. Some 18,000 people made that transition between the spring and summer of 1803 during the Revolutionary War in Saint-Dominque. Six years later, many crossed the Gulf of Mexico from Cuba to New Orleans and the recently acquired Louisiana Territory under the authority of a territorial governor and the United States Congress. What would these crossings lead to for those who had been slaves in Saint-Domingue and to those who would claim them as property? This article explores these issues in two overlapping dimensions: first, through the land and other official classifying documents; second, through the families and life experiences of these immigrants. The central figure is a woman named Rosalie of the Poulard Nation, born in Africa and held as a slave in the Jérémie region of Saint-Domingue. We must approach her life obliquely by gathering fragments written by others. However, through these fragments, the roles and powers that could turn a human being into a person with a price will become clear. In the end, we will also show that the ability to maneuver in the world of paper and power could sometimes return a person with a price to their status as an individual

    Rescaling the dynamics of evaporating drops

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    The dynamics of evaporation of wetting droplets has been investigated experimentally in an extended range of drop sizes, in order to provide trends relevant for a theoretical analysis. A model is proposed, which generalises Tanner's law, allowing us to smooth out the singularities both in dissipation and in evaporative flux at the moving contact line. A qualitative agreement is obtained, which represents a first step towards the solution of a very old, complex problem

    Camille MazĂ©, FrĂ©dĂ©ric Poulard et Christelle Ventura (dir.), Les MusĂ©es d’ethnologie. Culture, politique et changement institutionnel

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    Les musĂ©es d’ethnologie ne finissent pas d’ĂȘtre en crise. C’est le principal mĂ©rite de l’ouvrage dirigĂ© par Camille MazĂ©, FrĂ©dĂ©ric Poulard et Christelle Ventura que de mettre en perspective historique la rĂ©flexion sur la pĂ©riode critique qu’ils connaissent. En pointant les changements institutionnels de ces musĂ©es dans le contexte français, les auteurs n’en restent pas Ă  la chronologie ou la biographie des institutions musĂ©ales : ils s’efforcent de mettre en lumiĂšre les causes des mutations q..

    Camille MazĂ©, FrĂ©dĂ©ric Poulard et Christelle Ventura (dir.), Les MusĂ©es d’ethnologie. Culture, politique et changement institutionnel

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    Les musĂ©es d’ethnologie ne finissent pas d’ĂȘtre en crise. C’est le principal mĂ©rite de l’ouvrage dirigĂ© par Camille MazĂ©, FrĂ©dĂ©ric Poulard et Christelle Ventura que de mettre en perspective historique la rĂ©flexion sur la pĂ©riode critique qu’ils connaissent. En pointant les changements institutionnels de ces musĂ©es dans le contexte français, les auteurs n’en restent pas Ă  la chronologie ou la biographie des institutions musĂ©ales : ils s’efforcent de mettre en lumiĂšre les causes des mutations q..

    An Analysis of Flow Attenuation Provided by Stream-Buffer Ordinances in Johnson County, Kansas

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    Many communities in the United States have enacted ordinances requiring that areas surrounding natural channels be preserved in a natural state. These areas are commonly referred to as "stream-buffers". One of the goals of the stream-buffer is to preserve dense overbank vegetation. This has the effect of attenuating peak flows during flood events which inundate the channel overbanks. The goal of this study is to use state-of-the-practice hydrologic and hydraulic models to estimate peak-flow attenuation provided by stream-buffers using vertical variation in Manning's n values. Accounting for vertical variation in Manning's n values in overbanks allows for simulation of the roughness of the overbank provided by zones of vegetation. Typical zones include dense grasses and undergrowth at low overbank depths as well as heavily treed zones at higher depths. An existing 2.6 miles stream reach was evaluated for this study. Hydrologic modeling was completed using HEC-HMS and hydraulic modeling was completed using HEC-RAS. Existing models completed for the Blue River Watershed Study in Johnson County, Kansas, were modified for use in this study. A maximum peak-flow attenuation of 20% was observed for the 2-year and 50-year events over 3,110 feet. The highest maximum peak-flow reductions were observed for events ranging from the 2-year and 100-year events, and a smaller maximum reduction was observed for the 500-year event. Another goal of this study was to compare the results to stream-buffer ordinances in Johnson County to evaluate if they provide the maximum attenuation of peak flows possible at the case study site. The results showed that maximum attenuation is achieved by the ordinances for events ranging from the 2- to 10-year events

    Black Heritage Stamp Series: Mary McLeod Bethune

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    Informational pages for Mary McLeod Bethune Commemorative Stamp - Black Heritage Series, includes images of the stamps, information about the physical stamp and biographical information for Mary McLeod Bethune. First issued March 5, 1985, stamp No. 238 in a series

    The Enemy Other: Discourse of Evil in William Shakespeare’s "The Tempest"

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    Caliban, the ‘enemy Other’ of William Shakespeare’s The Tempest, is a character that allows further investigations of the colonial ideology in its earliest forms; locating ‘evil’ forces outside the continent of Europe and the White race. Caliban, the only non-European character, is typified as the autocratic antagonist of the play whose evil intentions and actions cannot be redeemed. Against such representation, the essay argues that the villainous discourse attributed to Caliban is informed by Renaissance theological doctrines escorted by an emergent colonial ideology. It argues that, at a semantic level, the employment of the concept of ‘evil’ often serves as an intensifier to denounce wrongful actions. At a moral level, however the term is often contested on the basis that it involves unwarranted metaphysical commitments to dark spirits necessitating the presence of harmful supernatural creatures. To attribute the concept to human beings is therefore essentially problematic and dismissive since it lacks the explanatory power of why certain people commit villainous actions rather than others. Hence, the epistemological aporia of Caliban’s ‘evil’ myth reveals an inevitable paradox, which concurrently requires locating Caliban both as a human and unhuman figure. Drawing on a deconstructionist approach, the essay puts the concept of ‘evil’ under erasure, hence, argues that Caliban’s evilness is a mere production of rhetoric and discourse rather than a reality in itself. This review contributes to the intersecting areas of discourse, representations, and rhetoric of evil within the spectrum of postcolonial studies
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