Traditional frameworks construction systems in Argentina and Colombia from an integral sustainability approach

Este artículo investiga posibles contribuciones de la disciplina arquitectónica al enfoque de sustentabilidad integral, en el estudio del saber histórico y los materiales de construcción que se mantienen como alternativas arquitectónicas contemporáneas. Uno de los costos energéticos más altos involucrados en la producción de hábitat radica en el impacto ambiental de los materiales de construcción y en la energía utilizada para lograr un adecuado confort térmico durante su vida útil. En este marco, se reconoce que la arquitectura de tierra es capaz de contribuir a la construcción de un paradigma de sustentabilidad de manera notable, ya que es capaz de producir tanto nuevos edificios como mejoras de construcciones existentes, manteniendo ventajas medioambientales, confort térmico y economía de recursos frente a otros sistemas constructivos. Entre las técnicas constructivas que utilizan la tierra como materia prima principal, nos centraremos en la técnica mixta, caracterizada por la presencia de diferentes materiales en la construcción. En el caso de Argentina, popularmente conocida como quincha y en el caso colombiano, como el bahareque.This paper investigates possible contributions from architectural discipline to the integral sustainability approach, based on the study of historical knowledge and construction materials that remain as contemporary architectural alternatives. One of the highest energy costs involved in habitat production lies in the environmental impact of building materials and in energy used to achieve adequate thermal comfort during their useful life. In this framework, it is recognized that earthen architecture is capable of contributing to the construction of a sustainability paradigm in a remarkable way, since it is capable of producing both new buildings and improvements of existing constructions, because it environmental advantages, thermal comfort and economy resources compared to other construction systems. Among the construction techniques that use earth as the main raw material, we will focus on mixed technique, characterized by the presence of different materials in the construction. In the case of Argentina, popularly known as quincha and in the Colombian case, as bahareque.Fil: Mandrini, María Rosa. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Córdoba. Centro Experimental de la Vivienda Económica; ArgentinaFil: Dona, Luciano. Universidad Nacional del Litoral. Facultad de Arquitectura, Diseño y Urbanismo; ArgentinaFil: Peñaloza Kairuz, Eduardo. Universidad de Ibagué; Colombi

Traditional frameworks construction systems in Argentina and Colombia from an integral sustainability approach

Este artículo investiga posibles contribuciones de la disciplina arquitectónica al enfoque de sustentabilidad integral, en el estudio del saber histórico y los materiales de construcción que se mantienen como alternativas arquitectónicas contemporáneas. Uno de los costos energéticos más altos involucrados en la producción de hábitat radica en el impacto ambiental de los materiales de construcción y en la energía utilizada para lograr un adecuado confort térmico durante su vida útil. En este marco, se reconoce que la arquitectura de tierra es capaz de contribuir a la construcción de un paradigma de sustentabilidad de manera notable, ya que es capaz de producir tanto nuevos edificios como mejoras de construcciones existentes, manteniendo ventajas medioambientales, confort térmico y economía de recursos frente a otros sistemas constructivos. Entre las técnicas constructivas que utilizan la tierra como materia prima principal, nos centraremos en la técnica mixta, caracterizada por la presencia de diferentes materiales en la construcción. En el caso de Argentina, popularmente conocida como quincha y en el caso colombiano, como el bahareque.This paper investigates possible contributions from architectural discipline to the integral sustainability approach, based on the study of historical knowledge and construction materials that remain as contemporary architectural alternatives. One of the highest energy costs involved in habitat production lies in the environmental impact of building materials and in energy used to achieve adequate thermal comfort during their useful life. In this framework, it is recognized that earthen architecture is capable of contributing to the construction of a sustainability paradigm in a remarkable way, since it is capable of producing both new buildings and improvements of existing constructions, because it environmental advantages, thermal comfort and economy resources compared to other construction systems. Among the construction techniques that use earth as the main raw material, we will focus on mixed technique, characterized by the presence of different materials in the construction. In the case of Argentina, popularly known as quincha and in the Colombian case, as bahareque.Fil: Mandrini, María Rosa. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Córdoba. Centro Experimental de la Vivienda Económica; ArgentinaFil: Dona, Luciano. Universidad Nacional del Litoral. Facultad de Arquitectura, Diseño y Urbanismo; ArgentinaFil: Peñaloza Kairuz, Eduardo. Universidad de Ibagué; Colombi

Context Matching for Electronic Marketplaces -- a case study

Context matching algorithms automatically discover semantic relations between two autonomously developed conceptual representations of two overlapping domains. This work is based on CTXMATCH, a context matching algorithm which applies to symbolic based conceptual representations organized as hierarchies of concepts. Typical examples of such conceptualizations are electronic market catalogues (e.g., UNSPSC and ECL@SS) and web directories (e.g., GOOGLE and YAHOO!). The objectiv

ConTeXtualized local ontology specification via CTXML

... management, distributed databases, it's been recognized that we need an explicit way to represent meanings. A major issue in all these efforts is the problem of semantic interoperability, namely the problem of communication between agents using languages with different semantic. Following (Bonifacio, Bouquet, & Traverso 2002), we claim that a technological infrastructure for semantic interoperability between "semantically autonomous" communities must be based on the capability of representing local ontologies and mappings between them, rather than on the attempt of creating a global, supposedly shared, conceptualization. The goal of this paper is to define a theoretical framework and a concrete language for the specification of local ontologies and mappings between them

The sickle cell trait and end stage renal disease in Salvador, Brazil.

BACKGROUND:Carriers of the sickle cell trait (HbAS) usually remain asymptomatic. However, under conditions of low tissue oxygenation, red blood cell sickling and vascular obstruction may develop. Chronic kidney disease (CKD) can arise from conditions promoting low-oxygen in kidney tissue, which may be aggravated by the presence of the sickle cell trait. In addition, CKD can arise from other genetic traits. AIM:To compare the frequency of HbAS among hemodialysis patients and the general newborn population of Salvador (Bahia-Brazil), as well as to investigate the frequencies of apolipoprotein L1 risk variants in patients undergoing hemodialysis. METHODS:A cross-sectional study included 306 patients with ESRD (End Stage Renal Disease) on hemodialysis for no more than three years. Hemoglobin profiles were characterized by high-performance liquid chromatography. To estimate the sickle cell trait frequency in the general population of Salvador, we analyzed data collected by a local neonatal screening program between 2011 and 2016. To exclude the potential contributing effect of the apolipoprotein L1 (APOL1) gene variants, we performed genotyping by PCR and DNA sequencing of 45 patients. RESULTS:The frequency of HbAS was significantly higher in hemodialysis patients (9.8%) than in the general population (4.6%): Odds Ratio = 2.32 (95% CI = 1.59-3.38). No differences in demographic, clinical or laboratory data were found among patients with or without the sickle cell trait. The frequency of patients with none, one or two APOL1 risk haplotypes (G1 and G2) for CKD were 80%, 18% and 2%, respectively. CONCLUSIONS:The frequency of the sickle cell trait is higher in patients with ESRD on hemodialysis compared to the general population. APOL1 haplotypes do not seem to be the determinant of ESRD in these patients