1,721,165 research outputs found
Ainea conzattii (Iridaceae: Tigridieae) revisited: description of a new variety
No full textMartorell, Carlos, López-Ferrari, Ana Rosa, Espejo-Serna, Adolfo, García-Meza, Diego, Clayton, Rupert (2023): Ainea conzattii (Iridaceae: Tigridieae) revisited: description of a new variety. Phytotaxa 600 (1): 1-6, DOI: 10.11646/phytotaxa.600.1.1, URL: http://dx.doi.org/10.11646/phytotaxa.600.1.
Determinantes de la densidad de cotizaciones en el sistema de jubilación del Instituto de Previsión Social : un análisis de la cobertura de los trabajadores del sector privado
Get PDFEl objetivo del estudio es proporcionar evidencia empírica acerca de la cobertura previsional de los trabajadores del sector privado afiliado al Instituto de Previsión Social (IPS), a través del análisis de los determinantes de la densidad de cotizaciones. Para ello se considera las características de los trabajadores según distintos atributos personales, otras relacionadas a su participación en el mercado laboral y sobre el conocimiento del sistema jubilatorio. Para este propósito, se utiliza la información generada por la Encuesta Longitudinal de Protección Social (ELPS) vinculada con los registros administrativos del IPS. La metodología empleada se basa en una regresión para variable de respuesta fraccional en dos partes. Entre los principales resultados se destaca la identificación del perfil de un grupo vulnerable de trabajadores afiliados con bajos niveles de densidad de cotización que les pone en riesgo de no acumular el requisito de antigüedad necesario para acceder al beneficio de la jubilación. Por último, las importantes evidencias proporcionadas por este trabajo demuestran las potencialidades de los registros administrativos que dispone el IPS en la actualidad para generar información relevante que permita conocer más sobre las historias laborales y disponer de información que facilite identificar en que grupos de trabajadores deben enfocarse las políticas que buscan la ampliación de la coberturaFil: Sanabria, Diego. Universidad Nacional de Asunción (Paraguay).Fil: Meza, Diego. Universidad Nacional de Asunción (Paraguay)
FIGURE 2. A in Ainea conzattii (Iridaceae: Tigridieae) revisited: description of a new variety
No full textFIGURE 2. A. Flower, front view of Ainea conzattii var. conzattii; B. C. Flower, front view of A. conzattii var. macropetala; D. Flower dorsal view of A. conzattii var. macropetala. Photo credits: A. Guadalupe Munguía; B., C., D. Carlos Martorell.Published as part of Martorell, Carlos, López-Ferrari, Ana Rosa, Espejo-Serna, Adolfo, García-Meza, Diego & Clayton, Rupert, 2023, Ainea conzattii (Iridaceae: Tigridieae) revisited: description of a new variety, pp. 1-6 in Phytotaxa 600 (1) on page 3, DOI: 10.11646/phytotaxa.600.1.1, http://zenodo.org/record/805410
Going Beyond Counting First Authors in Author Co-citation Analysis
Get PDFThe 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
Variations on the Author
Get PDF“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
Get PDFWe 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
¿Universalidad a través de subsidiariedad? Un análisis comparativo del derecho a un medioambiente sano en la jurisprudencia de la Corte Interamericana de Derechos Humanos y la Comisión Africana de Derechos Humanos y de los Pueblos
No full textIn the context of a global ecological crisis, there is an increasing tendency by actors to recast environmental concerns as legal issues within the framework of international human rights. This article explores whether and how differences in interpretation and enforcement of the right to a healthy or satisfactory environment, as reflected in the jurisprudence of the IACtHR and the ACmHPR, may illustrate a form of flexible universality when operationalized through the principle of subsidiarity. This article argues that subsidiarity functions not as a solution to the universalism-pluralism tension, but as an operational framework for articulating the uni-versality of human rights, self-determination, and pluralism in the international system. It ul-timately suggests that the analysis of the right to a healthy environment in the Inter-American and African systems indicates that universality does not entail uniformity; rather, subsidiarity helps structure the recognition of contextual particularities across diverse systems, support-ing their legitimacy while remaining compatible with the universality of human rights.En el contexto de una crisis ecológica global, existe una creciente tendencia de replantear preocupaciones ambientales como cuestiones legales dentro del marco de los derechos hu-manos. Este trabajo explora si —y cómo— las diferencias en la interpretación y aplicación del derecho a un medioambiente sano reflejadas en la jurisprudencia de la Corte Interamericana de Derechos Humanos y la Comisión Africana de Derechos Humanos y de los Pueblos pueden iluminar una forma de universalidad flexible cuando se operativiza mediante el principio de subsidiariedad. Se sostiene que la subsidiariedad no funciona como una solución a la tensión entre universalismo y pluralismo, sino como un marco operativo para articular la universal-idad de los derechos humanos, la autodeterminación y el pluralismo en el sistema interna-cional. En última instancia, se sugiere que el análisis del derecho a un medioambiente sano en el Sistema Interamericano y Africano indica que la universalidad no implica uniformidad; antes bien, la subsidiariedad ayuda a estructurar el reconocimiento de particularidades con-textuales, reforzando su legitimidad y manteniéndose compatible con la universalidad de los derechos humanos.Fil: Zapata Meza, Diego. Pontificia Universidad Católica de Chile; Chil
Dispelling the Myths Behind First-author Citation Counts
Get PDFWe 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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