oalib

Publish in OALib Journal

ISSN: 2333-9721

APC: Only $99

Submit

Any time

2019 ( 11 )

2018 ( 22 )

2017 ( 14 )

2016 ( 24 )

Custom range...

Search Results: 1 - 10 of 9736 matches for " Diana Lucio-Arias "
All listed articles are free for downloading (OA Articles)
Page 1 /9736
Display every page Item
Knowledge Emergence in Scientific Communication: From "Fullerenes" to "Nanotubes"
Diana Lucio-Arias,Loet Leydesdorff
Physics , 2009,
Abstract: This article explores the emergence of knowledge from scientific discoveries and their effects on the structure of scientific communication. Network analysis is applied to understand this emergence institutionally as changes in the journals; semantically, as changes in the codification of meaning in terms of words; and cognitively as the new knowledge becomes the emergent foundation of further developments. The discovery of fullerenes in 1985 is analyzed as the scientific discovery that triggered a process which led to research in nanotubes.
Main-path analysis and path-dependent transitions in HistCite(TM)-based historiograms
Diana Lucio-Arias,Loet Leydesdorff
Computer Science , 2009,
Abstract: With the program HistCite(TM) it is possible to generate and visualize the most relevant papers in a set of documents retrieved from the Science Citation Index. Historical reconstructions of scientific developments can be represented chronologically as developments in networks of citation relations extracted from scientific literature. This study aims to go beyond the historical reconstruction of scientific knowledge, enriching the output of HistCite(TM) with algorithms from social network analysis and information theory.
The Dynamics of Exchanges and References among Scientific Texts, and the Autopoiesis of Discursive Knowledge
Diana Lucio-Arias,Loet Leydesdorff
Computer Science , 2009,
Abstract: Discursive knowledge emerges as codification in flows of communication. The flows of communication are constrained and enabled by networks of communications as their historical manifestations at each moment of time. New publications modify the existing networks by changing the distributions of attributes and relations in document sets, while the networks are self-referentially updated along trajectories. Codification operates reflexively: the network structures are reconstructed from the perspective of hindsight. Codification along different axes differentiates discursive knowledge into specialties. These intellectual control structures are constructed bottom-up, but feed top-down back upon the production of new knowledge. However, the forward dynamics of diffusion in the development of the communication networks along trajectories differs from the feedback mechanisms of control. Analysis of the development of scientific communication in terms of evolving scientific literatures provides us with a model which makes these evolutionary processes amenable to measurement.
An Indicator of Research Front Activity: Measuring Intellectual Organization as Uncertainty Reduction in Document Sets
Diana Lucio-Arias,Loet Leydesdorff
Computer Science , 2009,
Abstract: When using scientific literature to model scholarly discourse, a research specialty can be operationalized as an evolving set of related documents. Each publication can be expected to contribute to the further development of the specialty at the research front. The specific combinations of title words and cited references in a paper can then be considered as a signature of the knowledge claim in the paper: new words and combinations of words can be expected to represent variation, while each paper is at the same time selectively positioned into the intellectual organization of a field using context-relevant references. Can the mutual information among these three dimensions--title words, cited references, and sequence numbers--be used as an indicator of the extent to which intellectual organization structures the uncertainty prevailing at a research front? The effect of the discovery of nanotubes (1991) on the previously existing field of fullerenes is used as a test case. Thereafter, this method is applied to science studies with a focus on scientometrics using various sample delineations. An emerging research front about citation analysis can be indicated.
Regional and Global Science: Latin American and Caribbean publications in the SciELO Citation Index and the Web of Science
Gabriel Velez-Cuartas,Diana Lucio-Arias,Loet Leydesdorff
Computer Science , 2015,
Abstract: We compare the visibility of Latin American and Caribbean (LAC) publications in the Core Collection indexes of the Web of Science (WoS)--Science Citation Index Expanded, Social Sciences Citation Index, and Arts & Humanities Citation Index--and the SciELO Citation Index (SciELO CI) which was integrated into the larger WoS platform in 2014. The purpose of this comparison is to contribute to our understanding of the communication of scientific knowledge produced in Latin America and the Caribbean, and to provide some reflections on the potential benefits of the articulation of regional indexing exercises into WoS for a better understanding of geographic and disciplinary contributions. How is the regional level of SciELO CI related to the global range of WoS? In WoS, LAC authors are integrated at the global level in international networks, while SciELO has provided a platform for interactions among LAC researchers. The articulation of SciELO into WoS may improve the international visibility of the regional journals, but at the cost of independent journal inclusion criteria.
Registros nuevos de especies de Leucospidae (Hymenoptera: Chalcidoidea) para Colombia
Arias Penna Diana Carolina
Acta Biológica Colombiana , 2008,
Abstract: Dos especies de Leucospis se reportan por primera vez para Colombia Leucospis aliena y Leucospis enderleini. Teniendo en cuenta estos nuevos registros, el número de especies de Leucospis reportadas para el país se eleva a 11. Además se reporta una nueva localidad en Colombia para Leucospis colombiana en el departamento del Magdalena y un registro adicional para Polistomorpha conura en el departamento del Amazonas. Los especímenes se encuentran depositados en la colección entomológica del Museo José Hernández Camacho del Instituto de Investigación de Recursos Biológicos Alexander von Humboldt (IAvH-E), Villa de Leyva (Boyacá, Colombia).
NEW RECORDS OF SPECIES OF LEUCOSPIDAE (HYMENOPTERA: CHALCIDOIDEA) FOR COLOMBIA
ARIAS-PENNA,DIANA CAROLINA;
Acta Biológica Colombiana , 2008,
Abstract: two new records of leucospis are reported from colombia: leucospis aliena and leucospis enderleini. including the species reported here, eleven species of leucospis occur in colombia. this paper also reports a new locality for leucospis colombiana from colombia in the department of magdalena and an additional record of polistomorpha conura in the department of amazonas. the specimens are deposited in the entomological collection josé hernández camacho museum of the alexander von humboldt institute (iavh-e), villa de leyva (boyacá, colombia).
A functional derivative useful for the linearization of inequality indexes in the design-based framework
Lucio Barabesi,Giancarlo Diana,Pier Francesco Perri
Statistics , 2014,
Abstract: Linearization methods are customarily adopted in sampling surveys to obtain approximated variance formulae for estimators of nonlinear functions of finite population totals - such as ratios, correlation coefficients or measures of income inequality - which can be usually rephrased in terms of statistical functionals. In the present paper, by considering the Deville (1991) approach stemming on the concept of design-based influence curve, we provide a general result for linearizing large families of inequality indexes. As an example, the achievement is applied to the Gini, the Amato, the Zenga and the Atkinson indexes, respectively.
Algunas consideraciones sobre la responsabilidad precontractual: una mirada a su regulación en colombia, así como en otros paises y la aplicación de la autonomía en negocios de ingenieria
Arias Henao,Diana Patricia; Arias Henao,Humberto Enrique;
Tecnura , 2012,
Abstract: the parties to a contract formation process should avoid causing any damage and if it happens, the party that violates the right of the other must compensate the injured party. in this article, the reader will find the most relevant aspects of the regulation of pre-contractual responsibility in colombia, and its regulation in the european legal system and the u.s. including their legal nature and the various hypotheses structured around this type of responsibility.
Algunas consideraciones sobre la responsabilidad precontractual: una mirada a su regulación en Colombia, así como en otros países y la aplicación de la autonomía en negocios de ingeniería
Diana Patricia Arias Henao,Humberto Enrique Arias Henao
Tecnura , 2012,
Abstract: The parties to a contract formation process should avoid causing any damage and if it happens, the party that violates the right of the other must compensate the injured party. In this article, the reader will find the most relevant aspects of the regulation of pre-contractual responsibility in Colombia, and its regulation in the European legal system and the U.S. including their legal nature and the various hypotheses structured around this type of responsibility.
Page 1 /9736
Display every page Item


Home
Copyright © 2008-2017 Open Access Library. All rights reserved.