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Papers by Francisco Rodriguez

Research paper thumbnail of CAD/CAM Manufacturing of Prototype Shipboard Components

Naval Engineers Journal, 1990

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Research paper thumbnail of Modelling the diameter at breast height growth of Populus × euramericana plantations in Spain

Modelling forest systems. Workshop on the interface between reality, modelling and the parameter estimation processes, Sesimbra, Portugal, 2-5 June 2002, 2003

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Research paper thumbnail of RADIP: A Software Development Process for Mexican PyMEs

The actual software development models that employ methods and processes are designed to focus on... more The actual software development models that employ methods and processes are designed to focus on the definition of the software development processes in large scale companies. In the case of Mexico (a country in which almost 80% of the software industry is composed of small and medium scale companies) the penetration of such models have being quite minimal. In this research, a software development process has been designed, based on the CMMI maturity level 2 in its staged representation, to offer the PyMEs (from Spanish, Pequeñas y Medianas Empresas) a reference framework for building systems and implementing software engineering techniques. This process was designed by identifying the set of better practices that would permit PyMEs to construct a high quality software product. Also, this process enabled 14 development teams to reach a CMMI maturity level 3.

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Research paper thumbnail of Gestión eficiente de cargas térmicas en base a la previsión de precios del día siguiente

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Research paper thumbnail of Evaluating the Impact of Information Distortion on Normalized Compression Distance

In this paper we apply different techniques of information distortion on a set of classical books... more In this paper we apply different techniques of information distortion on a set of classical books written in English. We study the impact that these distortions have upon the Kolmogorov complexity and the clustering by compression technique (the latter based on Normalized Compression Distance, NCD). We show how to decrease the complexity of the considered books introducing several modifications in

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Research paper thumbnail of Evaluating the Impact of Information Distortion on Normalized Compression Distance-driven Text Clustering

Computing Research Repository, 2007

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Research paper thumbnail of Reducing the Loss of Information through Annealing Text Distortion

IEEE Transactions on Knowledge and Data Engineering, 2011

Compression distances have been widely used in knowledge discovery and data mining. They are para... more Compression distances have been widely used in knowledge discovery and data mining. They are parameter-free, widely applicable, and very effective in several domains. However, little has been done to interpret their results or to explain their behavior. In this paper, we take a step toward understanding compression distances by performing an experimental evaluation of the impact of several kinds of

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Research paper thumbnail of Photoinduced birefringence in hydrogen-bonded polymer-azobenzene complexes: 2-pyridine-azo-p-dimethylaniline in poly(4-vinyl phenol)

Introduction Linear and nonlinear optical effects induced by photoisomerization and photo-orienta... more Introduction Linear and nonlinear optical effects induced by photoisomerization and photo-orientation of azobenzene chromophores in polymer matrices are exten-sively studied for various optical and photonic applications. 1, 2 The photo-orientation is based on selective excitation of the chromophores with linearly polarized light, which leads to an excess of chromophores being oriented perpendicular to the polarization direction of the excitation beam, thus becom-ing inert to the incident irradiation. The anisotropic orientation of the chromo-phores leads to in-plane birefringence, which can be erased by randomizing the molecular orientation with, e.g., circularly-polarized light. From the viewpoint of materials preparation, the preferred approach for most applications is to attach the chromophores covalently to the polymer backbone. Such side-chain polymers can contain high concentration of the chromophores, thereby providing a strong response to optical fields. More-over, the optic...

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Research paper thumbnail of Have Collapses in Infrastructure Spending led to Cross-Country Divergence in Per Capita GDP?

This paper explores whether the post-1980 decline in infrastructure investment in developing coun... more This paper explores whether the post-1980 decline in infrastructure investment in developing countries is a source of growing disparities in world per capita GDP. I start by reviewing the literature on the infrastructure-productivity link, arguing that a balanced reading of previous studies points to a significant effect of infrastructure provision on productivity. I then empirically study whether retrenchments in infrastructure

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Research paper thumbnail of ENTORNO INFORMÁTICO PARA EL PROCESAMIENTO INTERACTIVO DE LA NTE-IFA SOBRE ABASTECIMIENTO DE AGUA

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Research paper thumbnail of UN PROYECTO DE GESTIÓN DEL CONOCIMIENTO TÉCNICO RELATIVO AL DISEÑO Y FABRICACIÓN DE PRODUCTOS INDUSTRIALES

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Research paper thumbnail of Desarrollo de tecnologías apropiadas para el procesamiento de yuca en las áreas rurales colombianas

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Research paper thumbnail of Modelización de información espacial mediante tecnología orientada a objetos

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Research paper thumbnail of Modelización geométrica en diseño asistido por computador

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Research paper thumbnail of Técnicas de representación gráfica mediante computador: Gráficos bidimensionales

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Research paper thumbnail of Herramientas de cubicación sin necesidad de apeo de árboles

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Research paper thumbnail of An ontology-based approach to spatial information modelling

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Research paper thumbnail of Análisis de sensibilidad sobre la rentabilidad financiera de choperas de Huesca y Lérida

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Research paper thumbnail of Los sensores aerotransportados LiDAR y multiespectrales en la descripción y cuantificación de los recursos forestales

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Research paper thumbnail of Rapid screening for alpha1-antitrypsin deficiency in patients with chronic obstructive pulmonary disease using dried blood specimens

American journal of respiratory and critical care medicine, Jan 15, 2002

We describe two reliable methods for high-throughput screening of proteinase inhibitor (PI) S and... more We describe two reliable methods for high-throughput screening of proteinase inhibitor (PI) S and PI Z alpha(1)-antitrypsin (alpha(1)-AT) deficiency alleles from dried blood spot (DBS) specimens using the LightCycler fluorimetric analyzer. The method was used to study 72 patients with chronic obstructive pulmonary disease. Results were confirmed with DNA sequencing. The alpha(1)-AT concentration in DBS was determined with immune nephelometry. Sixteen patients (22%) showed no PI Z or PI S mutations. Five patients (7%) had a heterozygous genotype consisting of a PI S allele and a normal allele for the Z and S positions (non-S non-Z). Twenty-five patients (35%) had a heterozygous genotype consisting of a PI Z and a non-S non-Z allele. Two (3%) had the PI SS genotype, 2 (3%) the PI SZ, and 20 (28%) the PI ZZ. All patients with two normal alpha(1)-AT alleles and 10 heterozygous carriers of one normal and one deficient allele had alpha(1)-AT levels that fell within the alpha(1)-AT DBS nor...

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Research paper thumbnail of CAD/CAM Manufacturing of Prototype Shipboard Components

Naval Engineers Journal, 1990

Bookmarks Related papers MentionsView impact

Research paper thumbnail of Modelling the diameter at breast height growth of Populus × euramericana plantations in Spain

Modelling forest systems. Workshop on the interface between reality, modelling and the parameter estimation processes, Sesimbra, Portugal, 2-5 June 2002, 2003

Bookmarks Related papers MentionsView impact

Research paper thumbnail of RADIP: A Software Development Process for Mexican PyMEs

The actual software development models that employ methods and processes are designed to focus on... more The actual software development models that employ methods and processes are designed to focus on the definition of the software development processes in large scale companies. In the case of Mexico (a country in which almost 80% of the software industry is composed of small and medium scale companies) the penetration of such models have being quite minimal. In this research, a software development process has been designed, based on the CMMI maturity level 2 in its staged representation, to offer the PyMEs (from Spanish, Pequeñas y Medianas Empresas) a reference framework for building systems and implementing software engineering techniques. This process was designed by identifying the set of better practices that would permit PyMEs to construct a high quality software product. Also, this process enabled 14 development teams to reach a CMMI maturity level 3.

Bookmarks Related papers MentionsView impact

Research paper thumbnail of Gestión eficiente de cargas térmicas en base a la previsión de precios del día siguiente

Bookmarks Related papers MentionsView impact

Research paper thumbnail of Evaluating the Impact of Information Distortion on Normalized Compression Distance

In this paper we apply different techniques of information distortion on a set of classical books... more In this paper we apply different techniques of information distortion on a set of classical books written in English. We study the impact that these distortions have upon the Kolmogorov complexity and the clustering by compression technique (the latter based on Normalized Compression Distance, NCD). We show how to decrease the complexity of the considered books introducing several modifications in

Bookmarks Related papers MentionsView impact

Research paper thumbnail of Evaluating the Impact of Information Distortion on Normalized Compression Distance-driven Text Clustering

Computing Research Repository, 2007

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Research paper thumbnail of Reducing the Loss of Information through Annealing Text Distortion

IEEE Transactions on Knowledge and Data Engineering, 2011

Compression distances have been widely used in knowledge discovery and data mining. They are para... more Compression distances have been widely used in knowledge discovery and data mining. They are parameter-free, widely applicable, and very effective in several domains. However, little has been done to interpret their results or to explain their behavior. In this paper, we take a step toward understanding compression distances by performing an experimental evaluation of the impact of several kinds of

Bookmarks Related papers MentionsView impact

Research paper thumbnail of Photoinduced birefringence in hydrogen-bonded polymer-azobenzene complexes: 2-pyridine-azo-p-dimethylaniline in poly(4-vinyl phenol)

Introduction Linear and nonlinear optical effects induced by photoisomerization and photo-orienta... more Introduction Linear and nonlinear optical effects induced by photoisomerization and photo-orientation of azobenzene chromophores in polymer matrices are exten-sively studied for various optical and photonic applications. 1, 2 The photo-orientation is based on selective excitation of the chromophores with linearly polarized light, which leads to an excess of chromophores being oriented perpendicular to the polarization direction of the excitation beam, thus becom-ing inert to the incident irradiation. The anisotropic orientation of the chromo-phores leads to in-plane birefringence, which can be erased by randomizing the molecular orientation with, e.g., circularly-polarized light. From the viewpoint of materials preparation, the preferred approach for most applications is to attach the chromophores covalently to the polymer backbone. Such side-chain polymers can contain high concentration of the chromophores, thereby providing a strong response to optical fields. More-over, the optic...

Bookmarks Related papers MentionsView impact

Research paper thumbnail of Have Collapses in Infrastructure Spending led to Cross-Country Divergence in Per Capita GDP?

This paper explores whether the post-1980 decline in infrastructure investment in developing coun... more This paper explores whether the post-1980 decline in infrastructure investment in developing countries is a source of growing disparities in world per capita GDP. I start by reviewing the literature on the infrastructure-productivity link, arguing that a balanced reading of previous studies points to a significant effect of infrastructure provision on productivity. I then empirically study whether retrenchments in infrastructure

Bookmarks Related papers MentionsView impact

Research paper thumbnail of ENTORNO INFORMÁTICO PARA EL PROCESAMIENTO INTERACTIVO DE LA NTE-IFA SOBRE ABASTECIMIENTO DE AGUA

Bookmarks Related papers MentionsView impact

Research paper thumbnail of UN PROYECTO DE GESTIÓN DEL CONOCIMIENTO TÉCNICO RELATIVO AL DISEÑO Y FABRICACIÓN DE PRODUCTOS INDUSTRIALES

Bookmarks Related papers MentionsView impact

Research paper thumbnail of Desarrollo de tecnologías apropiadas para el procesamiento de yuca en las áreas rurales colombianas

Bookmarks Related papers MentionsView impact

Research paper thumbnail of Modelización de información espacial mediante tecnología orientada a objetos

Bookmarks Related papers MentionsView impact

Research paper thumbnail of Modelización geométrica en diseño asistido por computador

Bookmarks Related papers MentionsView impact

Research paper thumbnail of Técnicas de representación gráfica mediante computador: Gráficos bidimensionales

Bookmarks Related papers MentionsView impact

Research paper thumbnail of Herramientas de cubicación sin necesidad de apeo de árboles

Bookmarks Related papers MentionsView impact

Research paper thumbnail of An ontology-based approach to spatial information modelling

Bookmarks Related papers MentionsView impact

Research paper thumbnail of Análisis de sensibilidad sobre la rentabilidad financiera de choperas de Huesca y Lérida

Bookmarks Related papers MentionsView impact

Research paper thumbnail of Los sensores aerotransportados LiDAR y multiespectrales en la descripción y cuantificación de los recursos forestales

Bookmarks Related papers MentionsView impact

Research paper thumbnail of Rapid screening for alpha1-antitrypsin deficiency in patients with chronic obstructive pulmonary disease using dried blood specimens

American journal of respiratory and critical care medicine, Jan 15, 2002

We describe two reliable methods for high-throughput screening of proteinase inhibitor (PI) S and... more We describe two reliable methods for high-throughput screening of proteinase inhibitor (PI) S and PI Z alpha(1)-antitrypsin (alpha(1)-AT) deficiency alleles from dried blood spot (DBS) specimens using the LightCycler fluorimetric analyzer. The method was used to study 72 patients with chronic obstructive pulmonary disease. Results were confirmed with DNA sequencing. The alpha(1)-AT concentration in DBS was determined with immune nephelometry. Sixteen patients (22%) showed no PI Z or PI S mutations. Five patients (7%) had a heterozygous genotype consisting of a PI S allele and a normal allele for the Z and S positions (non-S non-Z). Twenty-five patients (35%) had a heterozygous genotype consisting of a PI Z and a non-S non-Z allele. Two (3%) had the PI SS genotype, 2 (3%) the PI SZ, and 20 (28%) the PI ZZ. All patients with two normal alpha(1)-AT alleles and 10 heterozygous carriers of one normal and one deficient allele had alpha(1)-AT levels that fell within the alpha(1)-AT DBS nor...

Bookmarks Related papers MentionsView impact