186,801 research outputs found
Author-wise bibliometric analysis based on entropy.
No full textAuthor-wise bibliometric analysis based on entropy.</p
Políticas educativas y su impacto en las comunidades. Donatila Ferrada (Ed.), Ediciones UCM, Talca, Chile, 2018, 236 p.
No full textLas políticas educativas constituyen un factor fundamental para el desarrollo social, económico y educacional de una nación. El libro que se reseña es una publicación electrónica y colectiva de los miembros del Centro de investigación en educación para la justicia social (CIEJUS) publicado en abril del año 2018 por la editorial de la Universidad Católica del Maule (UCM), bajo la conducción de la académica y editora Donatila Ferrada quien actualmente es la directora del CIEJUS. Este centro fu..
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
A new proxy to estimate the cosmic ray ionization rate in dense cores
No full textCosmic rays are a global source of ionization, and the ionization fraction represents a fundamental parameter in the interstellar medium. Ions couple to magnetic fields, and affect the chemistry and the dynamics of star-forming regions as well as planetary atmospheres. However, the cosmic ray ionization rate represents one of the bottlenecks for astrochemical models, and its determination is one of the most puzzling problems in astrophysics. While for diffuse clouds reasonable values have been provided from observations, for dense clouds, due to the lack of rotational transitions, this is not possible, and estimates are strongly biased by the employed model. We present here an analytical expression, obtained from first principles, to estimate the cosmic ray ionization rate from observational quantities. The theoretical predictions are validated with high-resolution 3D numerical simulations and applied to the well-known core L1544; we obtained an estimate of ζ2 ∼2-3 × 10-17 s-1. Our results and the analytical formulae provided represent the first model-independent robust tool to probe the cosmic ray ionization rate in the densest part of star-forming regions (on spatial scales of R ≤ 0.05 pc). An error analysis is presented to give statistical relevance to our study
Appropriate Similarity Measures for Author Cocitation Analysis
No full textWe 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
"There is life and death, and in between, text" : The existential qualities of poetry in Caroline Ringskog Ferrada-Noli's <em data-start="73" data-end="94">Den förlorade sonen and creative writing
No full textThis thesis examines whether poetry can be considered a particularly suitable genre for addressing existential questions, through analyzing Caroline Ringskog Ferrada-Noli's debut poetry collection, Den förlorade sonen. Employing a lyrical analysis methodology, the thesis examines the three most central existential themes in the book and how the author chooses to portray them. The aim of this analysis is also to gain a deeper understanding of my own interest in addressing existential questions through poetry and what that appeal is about. The outcome reveals that three of the most prominent existential themes in Ferrada-Noli's Den förlorade sonen are death, identity and anxiety. The studys close textual analysis demonstrates how the author writes in a highly varied form, ranging from prose-like passages to fragmented verse lines through enjambments, blank spaces, line breaks and other literary pauses. Typical lyrical devices such as imagery, metaphors, repetition, alliteration, anaphora and other various types of rhyme are also applied to influence the poem's mood, create contrasts and paradoxical connections which render certain words or themes into something more powerful and memorable. The white spaces in poetry have been shown to remind us of a certain nothingness that we cannot speak about, but which poetry in this way can. In conclusion, these lyrical devices have an essential impact on the magnitude and force of the poem's existential themes and the reader's emotional resonance.C-uppsats i kreativt skrivande</p
"There is life and death, and in between, text" : The existential qualities of poetry in Caroline Ringskog Ferrada-Noli's <em data-start="73" data-end="94">Den förlorade sonen and creative writing
No full textThis thesis examines whether poetry can be considered a particularly suitable genre for addressing existential questions, through analyzing Caroline Ringskog Ferrada-Noli's debut poetry collection, Den förlorade sonen. Employing a lyrical analysis methodology, the thesis examines the three most central existential themes in the book and how the author chooses to portray them. The aim of this analysis is also to gain a deeper understanding of my own interest in addressing existential questions through poetry and what that appeal is about. The outcome reveals that three of the most prominent existential themes in Ferrada-Noli's Den förlorade sonen are death, identity and anxiety. The studys close textual analysis demonstrates how the author writes in a highly varied form, ranging from prose-like passages to fragmented verse lines through enjambments, blank spaces, line breaks and other literary pauses. Typical lyrical devices such as imagery, metaphors, repetition, alliteration, anaphora and other various types of rhyme are also applied to influence the poem's mood, create contrasts and paradoxical connections which render certain words or themes into something more powerful and memorable. The white spaces in poetry have been shown to remind us of a certain nothingness that we cannot speak about, but which poetry in this way can. In conclusion, these lyrical devices have an essential impact on the magnitude and force of the poem's existential themes and the reader's emotional resonance.C-uppsats i kreativt skrivande</p
APPENDIX_A – Supplemental material for Deep semi-supervised generative adversarial fault diagnostics of rolling element bearings
No full textSupplemental material, APPENDIX_A for Deep semi-supervised generative adversarial fault diagnostics of rolling element bearings by David Benjamin Verstraete, Enrique López Droguett, Viviana Meruane, Mohammad Modarres and Andrés Ferrada in Structural Health Monitoring</p
Dispelling the Myths Behind First-author Citation Counts
No full textWe 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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