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Pereira, Colombia

The Technological University of Pereira is a public, national, coeducational research university based in the city of Pereira, Risaralda, Colombia. The university is located in the southeast of the city.The university offers studies in Engineering ; Science and Technology ; Liberal arts ; Child pedagogy; and Sports science and recreation. Wikipedia.

Fonseca Diaz N.,Technological University of Pereira | Fonseca Diaz N.,University of Liege
Applied Energy | Year: 2011

As a part of a commissioning study, the chilled ceiling system of a large commercial building located in Belgium is evaluated. A representative office has been instrumented and data on the chilled ceiling system operating in real conditions have been collected. The simulation of the whole system is performed by means of a transient thermal model of the building and its HVAC system. The model considers the hydronic panels as a transient-state finned heat exchanger connected to a simplified lumped transient model of the building. The behavior of the hydronic ceiling system and the interactions with its environment (walls, ventilated facade, internal loads and ventilation system) has been experimentally and numerically evaluated. Commissioning test results show that the influence of surfaces temperatures inside the room, especially the facade, is considerable. Then, it is clear that the hydronic ceiling system must be evaluated together with its designed environment and not as a separate HVAC equipment. © 2010 Elsevier Ltd. Source

Isaza L.,Technological University of Pereira
Genetics and molecular research : GMR | Year: 2012

Researchers have classified the Heliconia genus as a group of highly variable and diverse plants. Species and cultivars are visually differentiated primarily on the basis of the color and size of inflorescence bracts. At taxonomic level, flower type (parabolic, sigmoid, or erect) and size are taken into account. The vast morphological diversity of heliconias at intra-specific, intra-population, and varietal levels in central-west Colombia prompted the present study. We characterized the genetic variability of 67 genotypes of cultivated heliconias belonging to Heliconia caribaea Lamarck, H. bihai (L.) L., H. orthotricha L. Andersson, H. stricta Huber, H. wagneriana Petersen, and H. psittacorum L. f., as well as that of several interspecific hybrids such as H. psittacorum L. f. x H. spathocircinata Aristeguieta and H. caribaea Lamarck x H. bihai (L.) L. We also created an approximation to their phylogenetic analysis. Molecular analysis using amplified fragment length polymorphism (AFLP) markers revealed a total of 170 bands. Two large, well-defined groups resulted: the first grouped cultivars of the very closely related H. caribaea and H. bihai species with those of H. orthotricha and H. psittacorum, and the second grouped H. stricta and H. wagneriana cultivars. The lowest percentage of polymorphism was found in H. psittacorum (17.65%) and the highest was in H. stricta (55.88%). Using AFLP, phylogenetic analysis of the species studied revealed the monophyletic origin of the Heliconiaceae family, and identified the Heliconia subgenus as monophyletic while providing evidence of the polyphyletic origin of several representatives of the Stenochlamys subgenus. Source

Alvarez M.A.,Technological University of Pereira | Rosasco L.,Italian Institute of Technology | Lawrence N.D.,University of Sheffield
Foundations and Trends in Machine Learning | Year: 2011

Kernel methods are among the most popular techniques in machine learning. From a regularization perspective they play a central role in regularization theory as they provide a natural choice for the hypotheses space and the regularization functional through the notion of reproducing kernel Hilbert spaces. From a probabilistic perspective they are the key in the context of Gaussian processes, where the kernel function is known as the covariance function. Traditionally, kernel methods have been used in supervised learning problems with scalar outputs and indeed there has been a considerable amount of work devoted to designing and learning kernels. More recently there has been an increasing interest in methods that deal with multiple outputs, motivated partially by frameworks like multitask learning. In this monograph, we review different methods to design or learn valid kernel functions for multiple outputs, paying particular attention to the connection between probabilistic and functional methods. © 2012 M. A. Álvarez, L. Rosasco and N. D. Lawrence. Source

Rodriguez-Morales A.J.,Technological University of Pereira
Recent patents on anti-infective drug discovery | Year: 2014

UNLABELLED: Leishmaniasis is a highly relevant neglected tropical disease. It has important consequences in affected populations, including a high fatality rate in its visceral form. It is present in Latin America, then it is necessary to promote more research on it. A bibliometric assessment of the Latin American scientific production in leishmaniasis was done.METHODS: Bibliometric study at SCI (1980-2013), MEDLINE/GOPUBMED (1802-2013), Scopus (1959-2013), SCIELO (2004-2013), LILACS (1980-2013). Different study types, characterized by years, city/country of origin, journals and more productive authors, by country, cites and H index.RESULTS: At SCI, 2857 articles were found (17.7% of the total). Brazil was the highest producer (58.1%), followed by Colombia (9.9%) and Venezuela (5.6%); the region received 41186 citations, 54.2% of Brazil (H index=62), 12.1% Colombia (H index=30) and 4.5% of Venezuela (H index=25). At Scopus, there are 3681 (14.7% of the total), 53.2% Brazil, 6.8% Colombia and 6.0% Venezuela; 38.46% at Brazil were from Fundação Oswaldo Cruz; 30.6% of Colombia corresponded to Universidad de Antioquia; 31.34% at Venezuela were from Universidad Central de Venezuela. At Medline there are 4525 records (60.6% of Brazil). At SciELO there are 1068 records (67.5% Brazil). At LILACS, there are 1740 records (56.0% Brazil).CONCLUSIONS: Scientific production of Brazil predominates in the region, with one single institution generating more articles than Colombia and Venezuela together. Scientific production in bibliographical data bases, particularly regional, is still relatively low, and the disease neglected when compared to other tropical conditions such as dengue and malaria. Source

Rodriguez-Morales A.J.,Technological University of Pereira
Recent patents on anti-infective drug discovery | Year: 2014

BACKGROUND: Despite efforts in prevention and control of dengue, it is still a public health problem in the region. There are estimations of 13 million people affected in the Americas, therefore, it is of outmost importance to research it. An assessment on the Latin- American contributions on dengue was done.METHODS: Bibliometric study at SCI (1980- 2013), MEDLINE/GOPUBMED (1802-2013), Scopus (1959-2013), SCIELO (2004-2013), LILACS (1980- 2013). Different study types, characterized by years, city/country of origin, journals and more productive authors, by country, cites and H index have been conducted.RESULTS: At SCI, 2598 articles were retrieved (21% of the total). Brazil was found to be the highest contributor (31.2%), then Puerto Rico (12.9%) and Mexico (10.7%). At Scopus, there are 2646 articles (16.7% of the total), 31.2% Brazil, 11.1% Mexico, 9.3% Cuba; the region received 41881 citations, 25.4% from Brazil (H index=45), 14.4% Cuba (H index=35) and 12.88% Puerto Rico (H index=38); 9.1% in Brazil were from Fundação Oswaldo Cruz; 1.6% of Mexico corresponded to Instituto Nacional de Salud Publica, 4.9% of Cuba are from Instituto de Medicina Tropical Pedro Kouri. At Medline, there are 2799 records (33.9% from Brazil). At SciELO there are 825 records (46.6% Brazil). At LILACS, there are 1178 records (46.8% Brazil).CONCLUSIONS: Brazil is the best producer in the region. In Puerto Rico and Brazil, there observed the epidemiologic burden of the disease. Scientific production in bibliographical data bases, particularly regional, is low, as compared to the high impact of the disease of in urban zones of the region. Source

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