Listar Artículos científicos por fecha de publicación
Mostrando ítems 21-40 de 873
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A problem-oriented method for supporting AEH authors through data mining
(Universidad Técnica de Aachen, 2007)Acceso abiertoOne of the main problems with Adaptive Educational Hypermedia Systems (AEHS) is that is very difficult to test whether adaptation decisions are beneficial for all the students or some of them would benefit from a different ... -
The geographic distribution of big five personality traits: patterns and profiles of human self-description across 56 nations
(Sage Publications, Inc., 2007)Acceso abiertoThe Big Five Inventory (BFI) is a self-report measure designed to assess the high-order personality traits of Extraversion, Agreeableness, Conscientiousness, Neuroticism, and Openness. As part of the International Sexuality ... -
Achievement goals, learning strateges and language achevement among peruvian high school students
(Ubiquity Press Ltd., 2007)Acceso abiertoWe used an achievement goal framework to study the role of motivation in the academic context of a Peruvian sample of 8 th to 10 th grade high school students (N = 1505). The purpose of this cross-sectional study was to ... -
Improving AEH courses through log analysis
(Technische Universität Graz, 2008)Acceso abiertoAuthoring in adaptive educational hypermedia environment is complex activity. In order to promote a wider application of this technology, the teachers and course designers need specific methods and tools for supporting ... -
ASquare: A powerful evaluation tool for adaptive hypermedia course system
(ACM, 2008)Acceso restringidoCurrently many methods and tools are being developed to support e-Learning courses. On the one hand, they are used to help students. On the other, a few applications are being developed to help course designers and ... -
Synthesis, characterization, and in vitro cytotoxic activities of benzaldehyde thiosemicarbazone derivatives and their palladium(II) and platinum(II) complexes against various human tumor cell lines
(Hindawi Publishing Corporation, 2008)Acceso abiertoThe palladium (II) bis-chelate Pd (L 1 - 3) 2 and platinum (II) tetranuclear Pt 4 (L 4) 4 complexes of benzaldehyde thiosemicarbazone derivatives have been synthesized, and characterized by elemental analysis and IR, FAB ... -
Costo del capital en el sector pesquero-acuícola chileno
(Interciencia Association, 2009)Acceso abiertoEn el presente estudio se estima una tasa de costo promedio ponderado de capital (WACC) para el sector pesquero-acuícola chileno, un parámetro esencial para la toma de decisiones de inversión en dicho sector. Para ello se ... -
Recommendation in higher education using data mining techniques
(Universidad de Cordoba, 2009)Acceso abiertoOne of the main problems faced by university students is to take the right decision in relation to their academic itinerary based on available information (for example courses, schedules, sections, classrooms and professors). ... -
Securitization of brand names: Basic concepts and its use in practice
(Palgrave Macmillan Ltd., 2009)Acceso restringidoToday, the securitization industry is international in scope, large and rapidly growing, and the nature of it has changed to become largely intellectual property (IP) and future flow based. Brand securitization, one type ... -
Autonomous and controlled regulation of performance-approach goals: Their relations to perfectionism and educational outcomes
(Springer, 2010)Acceso abiertoThe present research uses self-determination theory to examine whether autonomous and controlled regulation of performance-approach (PAp) goals would differentially predict educational outcomes and add to the variance ... -
A Case Study: Data Mining Applied to Student Enrollment
(Educational Data Mining, 2010)Acceso abiertoOne of the main problems faced by university students is deciding the right learning path based on available information such as courses, schedules and professors. In this context, this paper presents a recommender system ... -
Synthesis and Characterization of New Palladium(II) Complexes with Ligands Derived from Furan-2-carbaldehyde and Benzaldehyde Thiosemicarbazone and their in vitro Cytotoxic Activities against Various Human Tumor Cell Lines
(Walter de Gruyter GmbH, 2010)Acceso abiertoWith the ligands 4-phenyl-1-(furan-2-carbaldehyde)thiosemicarbazone, HTSC1, (1), 4-phenyl-1- (5 -phenyl-furan-2-carbaldehyde)thiosemicarbazone, HTSC2 (2), o-methoxy-benzaldehydethiosemicarbazone, HTSC3 (3), and ... -
El protocolo familiar. La contractualización en las familias empresarias para la gestión de las empresas familiares
(Universidad Nacional Autónoma de México, 2010)Acceso abiertoLas empresas familiares son un fenómeno mundial de gran trascendencia por el elevado número de ellas, no obstante se ven agobiadas por el problema de la transición generacional que, en muchas ocasiones, marca el inicio del ... -
El amauta Pedro Ortiz Cabanillas (1933-2011)
(Instituto Nacional de Salud, 2011)Acceso abiertoHa fallecido un médico y un maestro, cuyos méritos profesionales son difícilmente comparables a los de muchos otros intelectuales que han contribuido con sus esfuerzos para que en nuestro país se dé un cambio social que ... -
Adivinanzas audiovisuales para ejercitar el pensamiento creativo infantil
(Grupo Comunicar, 2011)Acceso abiertoPara resolver una adivinanza hay que asociar ideas, analizar metáforas, descubrir analogías. Por eso, impulsar esta forma de entretenimiento infantil es un modo de ejercitar el pensamiento creativo. Sin embargo, existe un ... -
La televisión: vista, oída y leída por adolescentes peruanos
(Grupo Comunicar, 2011)Acceso abiertoEl presente trabajo analiza la relación actual de los adolescentes peruanos con la pantalla televisiva. La información consultada en diversas fuentes concluye que los adolescentes siguen consumiendo ampliamente la televisión, ... -
La respuesta de la justicia constitucional frente a la obligación de los medios en la consolidación del estado democrático moderno. Nuevos caminos y nuevos desafíos
(Centro de Estudios Políticos y Constitucionales, 2011)Acceso abiertoLa democracia moderna exige que el poder que influye en la constitución de la sociedad política pueda ser controlado democráticamente y que ayude a que este sistema se perpetúe como garantía de las libertades de la ciudadanía. ... -
A data mining approach to guide students through the enrollment process based on academic performance
(Springer, 2011)Acceso abiertoStudent academic performance at universities is crucial for education management systems. Many actions and decisions are made based on it, specifically the enrollment process. During enrollment, students have to decide ... -
Teología y vida. La producción americanista de Josep-Ignasi Saranyana (1984-2010)
(Universidad de Navarra, 2011)Acceso abiertoEl artículo analiza la obra escrita por el profesor Josep-Ignasi Saranyana, libros y artículos, que trata sobre la teología americana. se detiene en las temáticas más importantes que dichos textos abordan, su contribución ... -
Effect of y-irradiation on the growth of ZnO nanorod films for photocatalytic disinfection of contaminated water
(Academic Press, 2011)Acceso restringidoThe growth of ZnO nanorods on a flat substrate containing c-irradiated seeds and their ability to photocatalytically eliminate bacteria in water were studied. The seed layer was obtained, by the spray pyrolysis technique, ...