18,980 research outputs found
Moving Image Preservation and Cultural Capital
This article examines the changing landscape of moving image archiving
in the wake of recent developments in online video sharing
services such as YouTube and Google Video. The most crucial change
to moving image archives may not be in regard to the collections
themselves, but rather the social order that sustains cultural institutions
in their role as the creators and sustainers of objectified cultural
capital. In the future, moving image stewardship may no longer be
the exclusive province of institutions such as archives and libraries,
and may soon be accomplished in part through the work of other
interested individuals and organizations as they contribute to and
define collections. The technologies being built and tested in the
current Internet environment offer a new model for the reimagined
moving image archive, which foregrounds the user in the process of
creating the archive and strongly encourages the appropriation of
moving images for new works. This new archetype, which in theory
functions on democratic principles, considers moving images???along
with most other types of cultural heritage material???to be building
blocks of creative acts or public speech acts. One might argue that
the latter represents a new model for creating an archive; this new
democratic archive documents and facilitates social discourse.published or submitted for publicatio
Distribución espacial de copépodos Antárticos en BahÃa FÃldes durante el verano de 2012
Indexación: Web of Science; Scielo.The Antarctic Chilean peninsula, is characterized for being stable in its oceanographic conditions. Nevertheless, its coastal zones, such as bays, may have more variable physical conditions, both spatially and temporally. It has been observed that a remarkable interaction between the oceanographic conditions and spatial distribution patterns of zooplankton occurs. However, there is no good understanding of how these interactions affect the horizontal and vertical distribution of zooplankton living in these areas. The present study shows the changes that occur at the level of the zooplankton community structure, specifically in the copepods assembly of FÃldes Bay. The results show that copepods of the Oithonidae family are abundant in coastal areas of the bay meanwhile Calanidae copepods are abundant in zones adjacent to Bransfield Strait and found only in low abundance at the interior of the bay. These findings indicate differences in the ensemble of copepods along the bay with changes in the abundance and distribution of dominant groups of copepods commonly found in the Antarctic Peninsula and Drake Passage waters.La PenÃnsula Antártica Chilena, se caracteriza por ser estable en su condición oceanográfica, sin embargo sus zonas costeras como bahÃas pueden presentar condiciones fÃsicas variables tanto espacial como temporalmente. Se ha señalado que existe una importante interacción entre las condiciones oceanográficas y patrones de distribución espacial del zooplancton, sin embargo, no existe mayor evidencia acerca de cómo esta interacción afecta la distribución horizontal y vertical del zooplancton que habita estas zonas. El presente estudio muestra evidencias de los cambios que ocurren a nivel de estructura comunitaria del zooplancton, especÃficamente en el ensamble de copépodos al interior de BahÃa FÃldes. Los resultados muestran que copépodos de la familia Oithonidae son abundantes en zonas costeras de la bahÃa mientras que copépodos de la familia Calanidae son abundantes en zonas contiguas al Estrecho Bransfield encontrándose en escasa abundancia al interior de la bahÃa. Estos hallazgos indican que existen diferencias en el ensamble de copépodos a lo largo de la bahÃa con cambios en términos de abundancia y distribución de grupos dominantes encontrados comúnmente en la PenÃnsula Antártica y aguas cercanas al paso Drake.http://ref.scielo.org/f3m7x
On the metric dimension of Grassmann graphs
The {\em metric dimension} of a graph is the least number of
vertices in a set with the property that the list of distances from any vertex
to those in the set uniquely identifies that vertex. We consider the Grassmann
graph (whose vertices are the -subspaces of , and
are adjacent if they intersect in a -subspace) for , and find a
constructive upper bound on its metric dimension. Our bound is equal to the
number of 1-dimensional subspaces of .Comment: 9 pages. Revised to correct an error in Proposition 9 of the previous
versio
Citrus trade liberalization with Japan
trade liberalization, Japan, citrus, Agribusiness, International Relations/Trade,
Evaluation of MARC for the analysis of rotating composite blades
The suitability of the MARC code for the analysis of rotating composite blades was evaluated using a four-task process. A nonlinear displacement analysis and subsequent eigenvalue analysis were performed on a rotating spring mass system to ensure that displacement-dependent centrifugal forces were accounted for in the eigenvalue analysis. Normal modes analyses were conducted on isotropic plates with various degrees of twist to evaluate MARC's ability to handle blade twist. Normal modes analyses were conducted on flat composite plates to validate the newly developed coupled COBSTRAN-MARC methodology. Finally, normal modes analyses were conducted on four composite propfan blades that were designed, analyzed, and fabricated at NASA Lewis Research Center. Results were compared with experimental data. The research documented herein presents MARC as a viable tool for the analysis of rotating composite blades
Comparison of intakes of Scottish dietary goals foods and nutrients by two socio-demographic measures
Real closed exponential fields
In an extended abstract Ressayre considered real closed exponential fields
and integer parts that respect the exponential function. He outlined a proof
that every real closed exponential field has an exponential integer part. In
the present paper, we give a detailed account of Ressayre's construction, which
becomes canonical once we fix the real closed exponential field, a residue
field section, and a well ordering of the field. The procedure is constructible
over these objects; each step looks effective, but may require many steps. We
produce an example of an exponential field with a residue field and a
well ordering such that is low and and are ,
and Ressayre's construction cannot be completed in .Comment: 24 page
The Scottish diet is poorer in households purchasing tobacco products:analysis of living costs and food survey data from 2001-2012
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