133,285 research outputs found
The potential of open models for public archaeology
No full textThis paper presents a public archaeology project that aims to train community groups to use computational photography techniques for the recording and dissemination of church gravestones and memorials. The project implements open approaches into its use of technology and also methodological design. The manner by which open principles were engaged by the project is described. The paper ends with an outline of plans for future work, to include crowdsourcing and open access publication in pursuit of these objectives
Letter from Charles Maltby to D. N. Cooley with letters from Henley and Beale, 1866
No full textEnclosed letters from Henley and Beale to T. P. Madden in regards to value of land on Tule River now leased as reservation
Assessing late-time singular behaviour in symmetry-plane models of 3D Euler flow
No full textMotivated by work on stagnation-point type exact solutions of the 3D Euler fluid equations by Gibbon [Gibbon et. al. Phys. D, 132, 497, (1999)] and the subsequent demonstration of finite-time blowup by Constantin [Constantin, Math. Res. Notices, 9, 455, (2000)] we introduce a one-parameter family of models of the 3D Euler equations on a 2D symmetry plane. These models provide a collection of blow-up scenarios which admit analytical solutions and are computationally inexpensive in comparison to the full 3D Euler equations. We take advantage of these features to examine the efficacy of novel methods which aid the assessment of finite-time blow-up in numerical simulations. The principal of these is the mapping to regular systems [Bustamante, Phys. D, 240, 1092, (2011)]; a bijective nonlinear mapping of time and the prognostic variables based on a Beale-Kato-Majda (BKM) type supremum norm regularity condition [Beale et. al. Commun. Math. Phys. 94, 61, (1984)]. We show a 3 order of magnitude increase of accuracy of the singularity time when employing the mapping with negligible additional computational expense. An investigation of the spectra of the primary field (vortex stretching rate) allows us to confirm a power law decrement of the analyticity-strip width with time in agreement with rigorous bounds bridging between the global spatial behaviour and BKM theorems [Bustamante & Brachet, Phys. Rev. E. 86, (2012)]
Letter from E. F. Beale to Agent B. D. Wilson with a letter from R. W. Wood, 1852
No full textBeale asks Wilson for his opinion regarding which sections of Indian Country are in need of the most protection and for the best means of shielding the Los Angeles district from Indian depredations. Encloses a letter from R. W. Wood relative to traffic in Indians
Additive archaeology: The spirit of virtual archaeology reprinted
No full textArchaeologists in the 1980s were embracing wholeheartedly the rapidly expanding field of computer modelling, hypertext and visualisation as vehicles for dataexploration. Against this backdrop ‘virtual archaeology’ was conceived. The term was originally intended to describe a multi-dimensional approach to the modelling of the physical structures and processes of field archaeology. It described some ways in which technology could be harnessed in order to achieve new ways of experiencing, documenting, interpreting and annotating primary archaeological materials and processes. Despite its initial promise, virtual archaeology failed to have the impact upon archaeological fieldwork which might have been expected. While the archaeological record is now primarily digital, its sections, plans, drawings and photographs are facsimiles of the analogue technologies which preceded them. This retention of analogue conventions is increasingly out of step with the general prevalence of digital technologies and especially 21st century advances in 'additive manufacturing', popularised through 3D printers, which could bring the world of virtual archaeology into closer alignment with the material one.This paper will set out to demonstrate that in spite of technological developments much of the theoretical infrastructure which underpinned virtual archaeology remains as relevant today as it was when the term was first conceived. Through an analysis of rapidly developing additive manufacturing technology, this paper will demonstrate the need to move beyond passive technological appropriation and towards the development of authentically archaeological approaches to technolog
MeSH term explosion and author rank improve expert recommendations
No full textInformation overload is an often-cited phenomenon that reduces the productivity, efficiency and efficacy of scientists. One challenge for scientists is to find appropriate collaborators in their research. The literature describes various solutions to the problem of expertise location, but most current approaches do not appear to be very suitable for expert recommendations in biomedical research. In this study, we present the development and initial evaluation of a vector space model-based algorithm to calculate researcher similarity using four inputs: 1) MeSH terms of publications; 2) MeSH terms and author rank; 3) exploded MeSH terms; and 4) exploded MeSH terms and author rank. We developed and evaluated the algorithm using a data set of 17,525 authors and their 22,542 papers. On average, our algorithms correctly predicted 2.5 of the top 5/10 coauthors of individual scientists. Exploded MeSH and author rank outperformed all other algorithms in accuracy, followed closely by MeSH and author rank. Our results show that the accuracy of MeSH term-based matching can be enhanced with other metadata such as author rank
Going Beyond Counting First Authors in Author Co-citation Analysis
No full textThe present study examines one of the fundamental aspects of author co-citation analysis (ACA) - the way co-citation
counts are defined. Co-citation counting provides the data on which all subsequent statistical analyses and mappings
are based, and we compare ACA results based on two different types of co-citation counting - the traditional type that
only counts the first one among a cited work's authors on the one hand and a non-traditional type that takes into
account the first 5 authors of a cited work on the other hand. Results indicate that the picture produced through this non-traditional author co-citation counting contains more coherent author groups and is therefore considerably clearer. However, this picture represents fewer specialties in the research field being studied than that produced through the traditional first-author co-citation counting when the same number of top-ranked authors is selected and analyzed. Reasons for these effects are discussed
"Closing the R&D Gap, Evaluating the Sources of R&D Spending"
No full textBoth spending and tax policies have been implemented in the United States with the goal of stimulating private sector research and development (R&D). Karier questions whether current R&D policy, especially the research and experimentation tax credit, can contribute to closing the gap between nondefense expenditures on R&D in the United States and such expenditures in other countries, such as Japan and Germany. He also explores possible changes to our current R&D policy to make it more effective.
"City Directory and History of Montgomery, Alabama, with a Summary of Events in that History, Calendarically Arranged, Besides Other Valuable and Useful Information," published by Beale & Phelan.
No full textJesse D. Beale and S. H. Phelan published the directory, while Matthew Blue wrote the history of the city
H. Beale, A. Hartkamp, H. Kôtz, D. Tallon, Cases, Materials and Text on Contract Law.W. van Gerven, J. Lever, P. Larouche, Cases, Materials and Text on Tort Law
No full textH. Beale, A. Hartkamp, H. Kôtz, D. Tallon, Cases, Materials and Text on Contract Law.W. van Gerven, J. Lever, P. Larouche, Cases, Materials and Text on Tort Law. In: Revue internationale de droit comparé. Vol. 55 N°2, Avril-juin 2003. pp. 447-450
- …
