Resumen En esta Tesis se desarrolla un sistema para el ajuste de parámetros de un algoritmo que resuelve un problema, teniendo en consideración las características relevantes de cada instancia del problema a resolver. El sistema utiliza redes bayesianas como formalismo para modelar, cualitativa y cuantitativamente, las relaciones de dependencia entre los parámetros de interés y utiliza la metod...

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Alternative codes, an extension of the notion of ordinary codes, have been first introduced and considered by P. T. Huy et al. in 2004. As seen below, every alternative code, in its turn, defines an ordinary code. Such codes are called codes induced by alternative codes or alt-induced codes, for short. In this paper we consider these alt-induced codes and subclasses of them. In particular, char...

In this work we introduce the use of powerful tools from geometric measure theory (GMT) to study problems related to the size and structure of sets of mutual absolute continuity for the harmonic measure ω of a domain Ω = Ω ⊂ R and the harmonic measure ω− of Ω−, Ω− = int(Ω) in dimension n ≥ 3. These tools come mainly from Preiss’ work (see [19]), in which he proved that if the m-density of a Rad...

DIANA is a coordinated Project involving the research group of Ingeniería del Lenguaje Natural y Reconocimiento de Formas (ELiRF) of the Universitat Politècnica de València and the research group of Centre de Llenguatge i Computació (CliC) of the Universitat de Barcelona. This is an R&D project (TIN2012-38603) funded by the Spanish Ministry of Economy and Competitiveness. Paolo Rosso coordinate...

Özet. Başarısız giden birçok proje, hatalı yönetilen süreçler, ürünlerin ve projelerin zamanında teslim edilememesi, maliyetlerde oluşan aşırı artışlar yazılım mühendisliğinde risk yönetiminin önemini günden güne arttırmaktadır. Özellikle risklerin düzgün bir şekilde ele alınamaması, projeler arası risk türlerinin ve gruplarının farklılaşması, şirket/kurum içi yapılan risk yönetimi ve risk anal...

Telomeres are an unusual component of the genome because they do not encode genes, but their structure and cellular maintenance machinery (which we define as "telotype") are essential for chromosome stability. Cells can switch between different phenotypic states. One such example is when they switch from maintenance mediated by telomerase (TERT telotype) to one of the two alternative mechanisms...

Alanine aminotransferase (ALT) is a sensitive marker of dietary protein utilisation in fish. Three ALT isoforms (cALT1, cALT2 and mALT) encoded by two genes have been isolated from gilthead sea bream (Sparus aurata). Molecular characterization of ALT isozymes and gene promoters suggest involvement of cALT1 and mALT in postprandial use of dietary amino acids, while cALT2 seems associated to hepa...

hepatitis b, a common infectious disease of liver, is transmitted by blood and body fluids like semen and vaginal fluid that carry hepatitis b virus (hbv).  in chronic infection, medical care is required to decrease possibility of cirrhosis and liver cancer. in the present report, the hepatoprotective effect of an echinacea purpurea preparation (echiherb®) has been described in a patient who su...

CONTEXT Paracetamol (acetaminophen or APAP) is the most common pharmaceutical exposure in the US. Elevations in aspartate aminotransferase (AST) and alanine aminotransferase (ALT) levels indicate hepatic toxicity. AST and ALT levels rise in similar proportions but later decline at different rates, with AST falling more rapidly than ALT. OBJECTIVE To determine whether the AST/ALT ratio can ind...