1,721,287 research outputs found
James Foster, Colloquium Talk - Turning of the Wheel, Photograph 1
No full textWhy the classics matter: ancient Greece and the modern universityPhotograph 1 of James Foster's Colloquium Talk 'Why the classics matter: ancient Greece and the modern university.' James Foster is Professor of Biology and Computer Science. Pictured: James Foster.Colloquium Tal
James Foster, Colloquium Talk - Turning of the Wheel, PowerPoint
No full textWhy the classics matter: ancient Greece and the modern universityPowerPoint of James Foster's Colloquium Talk 'Why the classics matter: ancient Greece and the modern university.' James Foster is Professor of Biology and Computer Science.Colloquium Tal
"Detection of tsunami induced ionospheric perturbation with ship-based GNSS measurements: 2010 Maule tsunami case study
No full textThe VARION (Variometric Approach for Real-Time Ionosphere Observation) algorithm has been
successfully applied to TIDs (Travelling ionospheric disturbances) detection in several real-time
scenarios [1, 2]. VARION, thus, estimates sTEC (slant total electron content) variations starting from
the single time differences of geometry-free combinations of GNSS carrier-phase measurements.
This feature makes VARION suitable to also leverage GNSS observations coming from moving
receivers such as ship-based GNSS receivers: the receiver motion does not affect the sTEC
estimation process.
The aim of this work is to use the observations coming from two GNSS receivers installed on a ship
moving near Kauai Island in the Hawaiian archipelago to detect the TIDs connected to the 2010
Maule earthquake and tsunami [3]. Indeed, this earthquake triggered a tsunami that affected all
the Pacific region and that reached the Hawaiian islands after about 15 hours. All our analysis was
carried out in post-processing, but simulated a real-time scenario: only the data available in real
time were used.
In order to get a reference, the ship-based sTEC variations were compared with the ones coming
from GNSS permanent stations situated in the Hawaiian Islands. In particular, if we considered the
same satellite, the same TID is detected by both ship and ground receivers. As expected, the shipbased
sTEC variations are a little bit noisier since they are coming from a kinematic platform.
Hence, the results, although preliminary, are very encouraging: the same TIDs is detected both
from the sea (ships) and land (permanent receivers). Therefore, the VARION algorithm is also able
to leverage observations coming from ship-based GNSS receivers to detect TIDs in real-time.
In conclusion, we firmly believe that the application of VARION to observation coming from shipbased
GNSS receivers could really represent a real-time and cost-effective tool to enhance tsunami
early warning systems, without requiring the installation of complex infrastructures in open sea.
References
[1] Giorgio Savastano, Attila Komjathy, Olga Verkhoglyadova, Augusto Mazzoni, Mattia Crespi, Yong
Wei, and Anthony J Mannucci, “Real-time detection of tsunami ionospheric disturbances with a
stand-alone gnss receiver: A preliminary feasibility demonstration, ”Scientific reports, vol. 7, pp.
46607, 2017.
[2] Giorgio Savastano, Attila Komjathy, Esayas Shume, Panagiotis Vergados, Michela Ravanelli, Olga
Verkhoglyadova, Xing Meng, and Mattia Crespi, “Advantages of geostationary satellites for
ionospheric anomaly studies: Ionospheric plasma depletion following a rocket launch,”Remote
Sensing, vol. 11, no. 14, pp. 1734, 2019
[3] https://earthquake.usgs.gov/earthquakes/eventpage/official20100227063411530_30/executiv
Going Beyond Counting First Authors in Author Co-citation Analysis
Full text linkThe 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
Final statement of James Foster, 99th Regiment of Indiana Infantry Volunteers
No full textHeath reports the death of Private James Foster, providing information about the deceased.1860s (1860-1869)Atlanta (Ga.)600ppiCivil War Military FrontDC046This Civil War Military Front collection was funded by LSTA
Variations on the Author
Full text link“Variations on the Author” discusses two of Eduardo Coutinho’s recent films (Um Dia na Vida, from 2010, and Últimas Conversas, posthumously released in 2015) and their contribution to the general question of documentary authorship. The director’s filmography is characterized by a consistent yet self-effacing form of authorial self-inscription: Coutinho often features as an interviewer that rather than express opinions propels discourses; an interviewer that is good at listening. This mode of self-inscription characterizes him as an author who is not expressive but who is nonetheless markedly present on the screen. In Um Dia na Vida, however, Coutinho is completely absent form the image, while Últimas Conversas, on the contrary, includes a confessional prologue that moves the director from the margins to the center of his films. This article examines the ways in which these works stand out in the filmography of a director who offers new insights into the notion of cinematic authorship
Appropriate Similarity Measures for Author Cocitation Analysis
Full text linkWe provide a number of new insights into the methodological discussion about author cocitation analysis. We first argue that the use of the Pearson correlation for measuring the similarity between authors’ cocitation profiles is not very satisfactory. We then discuss what kind of similarity measures may be used as an alternative to the Pearson correlation. We consider three similarity measures in particular. One is the well-known cosine. The other two similarity measures have not been used before in the bibliometric literature. Finally, we show by means of an example that our findings have a high practical relevance.information science;Pearson correlation;cosine;similarity measure;author cocitation analysis
Defining Heresy: the Controversy between James Foster and Henry Stebbing (1735- 1737)
Full text linkFrom 1735 to 1737 the Baptist preacher James Foster (1697-1753) faced the orthodox Anglican Henry Stebbing ([1687]-1763) in a controversy over the definition of heresy. Their dispute reveals two distinct methods of Bible interpretation and throws light on the tensions prevailing in the eighteenth century between the established Church and Dissent, which is represented as a danger to Anglican orthodoxy by Stebbing.Le prédicateur baptiste James Foster (1697-1753) et l’anglican Henry Stebbing ([1687]-1763), partisan de l’orthodoxie, s’affrontent sur la définition de l’hérésie au cours d’une controverse qui a lieu entre 1735 et 1737. Celle-ci met en évidence deux méthodes d’interprétation biblique distinctes et illustre les tensions qui règnent au XVIIIe siècle entre l’Église établie et les dissidents, que Stebbing présente comme un danger pour l’orthodoxie anglicane
Dispelling the Myths Behind First-author Citation Counts
Full text linkWe conducted a full-scale evaluative citation analysis study of scholars in the XML research field to explore just how different from each other author rankings resulting from different citation counting methods actually are, and to demonstrate the capability of emerging data and tools on the Web in supporting more realistic citation counting methods. Our results contest some common arguments for the continued
use of first-author citation counts in the evaluation of scholars, such as high correlations between author rankings by first-author citation counts and other citation
counting methods, and high costs of using more realistic citation counting methods that are not well-supported by the ISI databases. It is argued that increasingly available digital full text research papers make it possible for citation analysis studies to go beyond what the ISI databases have directly supported and to employ more
sophisticated methods
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