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2. A Deep Learning Strategy for Vehicular Floating Content Management

Author

Manzo, Gaetano, Otalora, Juan Sebastian, Marsan, Marco Ajmone, and Rizzo, Gianluca

Subjects
Computer Science - Networking and Internet Architecture, Computer Science - Machine Learning, Statistics - Machine Learning
Abstract

Floating Content (FC) is a communication paradigm for the local dissemination of contextualized information through D2D connectivity, in a way which minimizes the use of resources while achieving some specified performance target. Existing approaches to FC dimensioning are based on unrealistic system assumptions that make them, highly inaccurate and overly conservative when applied in realistic settings. In this paper, we present a first step towards the development of a cognitive approach to efficient dynamic management of FC. We propose a deep learning strategy for FC dimensioning, which exploits a Convolutional Neural Network(CNN) to efficiently modulate over time the resources employed by FC in a QoS-aware manner. Numerical evaluations show that our approach achieves a maximum rejection rate of3%, and resource savings of 37.5% with respect to the benchmark strategy

Published
2018

5. Are there significant differences in the performance of students who study a virtual higher education program compared to a face-to-face one in Colombia? : The case in business and economics undergraduate programs

Author

Medina Otalora, Juan Manuel, Gómez Soler, Silvia Consuelo, and Astorga Rojas, Luis Diego

Subjects
Educational quality, Learning gaps.multilevel model, Educación presencial, Brechas de aprendizaje, Características de desempeño académico, Calidad educativa, Learning gaps, Educación virtual y a distancia, Multilevel model, Academic performance, Calidad de la educación, Educación superior - Colombia, Modelo multinivel, Face-to-face education, Virtual and distance education, Educación superior, Higher education, Maestría en economía - Tesis y disertaciones académicas
Abstract

El presente estudio tiene como objetivo examinar las brechas de desempeño académico de la educación superior en Colombia para las modalidades de formación virtual y presencial en los programas universitarios del área de las Ciencias Económicas y Administrativas. A partir de los resultados en competencias genéricas de la prueba de Estado Saber Pro del año 2019 y por medio de la aplicación de modelos multinivel, se contrastaron factores personales, familiares, socioeconómicos y de la institución educativa asociados con el desempeño obtenido. Como resultado de las estimaciones, se identificó que los estudiantes que se forman en modalidad virtual obtienen un menor rendimiento académico en las competencias de razonamiento cuantitativo, lectura crítica, inglés y competencias ciudadanas que aquellos que cursan programas presenciales. The objective of this study is to examine the differences in academic performance between students enrolled in virtual and face-to-face programs at Colombian universities, focusing in business and economics undergraduate programs. Using the generic competencies results of the 2019 Saber Pro examination, we estimate a multilevel model that includes personal, family, socioeconomic and educational institution factors associated with academic performance. The results show that those students who attended virtual programs have a lower performance in quantitative reasoning, critical reading, English, and citizenship skills than those who attended face-to-face programs. Magíster en Economía Maestría

Published
2021

6. Readout Firmware of the Vertex Locator for LHCb Run 3 and Beyond

Author

Hennessy, Karol, primary, Prieto, Antonio Fernandez, additional, Regueiro, Pablo Vazquez, additional, Buytaert, Jan, additional, Van Beuzekom, Martin, additional, Cid, Edgar Lemos, additional, Eklund, Lars, additional, de Bruyn, Kristof, additional, Naik, Sneha, additional, Schiller, Manuel, additional, Murray, Donal, additional, Leflat, Alexander, additional, Bassi, Giovanni, additional, Punzi, Giovanni, additional, Lazzari, Federico, additional, Morello, Michael J., additional, Garcia, Oscar Boente, additional, Torreira, Abraham Gallas, additional, Plana, Beatriz Garcia, additional, Bowcock, Themis, additional, Dettori, Francesco, additional, Dreimanis, Karlis, additional, Lima, Vinicius Franco, additional, Hutchcroft, David, additional, Rinnert, Kurt, additional, Shears, Tara, additional, Augusto, Oscar, additional, Coco, Victor, additional, Collins, Paula, additional, Evans, Tim, additional, Ferro-Luzzi, Massi, additional, Schindler, Heinrich, additional, Akiba, Kazu, additional, Occo, Elena Dall', additional, Graz, Cristina Sanchez, additional, Hulsbergen, Wouter, additional, Hynds, Daniel, additional, Kostiuk, Igor, additional, Merk, Marcel, additional, Snoch, Aleksandra, additional, Bobulska, Dana Seman, additional, Borghi, Silvia, additional, de Capua, Stefano, additional, Dutta, Deepanwita, additional, Gersabeck, Marco, additional, Parkes, Chris, additional, Svihra, Peter, additional, Williams, Mark, additional, Bogdanova, Galina, additional, Volkov, Vladimir, additional, Kopciewicz, Pawel, additional, Majewski, Maciej, additional, Oblakowska-Mucha, Agnieszka, additional, Rachwal, Bartlomej, additional, Szumlak, Tomasz, additional, Garcia, Lucas Meyer, additional, Marinho, Franciole, additional, Mendes, Larissa Helena, additional, Nasteva, Irina, additional, Otalora, Juan, additional, Rodrigues, Gabriel, additional, Velthuis, Jaap, additional, Jalocha, Pawel, additional, John, Malcolm, additional, Jurik, Nathan, additional, Scantlebury-Smead, Luke, additional, Back, John, additional, Gershon, Tim, additional, Latham, Tom, additional, and Morris, Andrew, additional

Published
2021
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7. Tributación en Colombia: Una aproximación teórica y empírica de la Curva de Laffer

Author

Villar Otalora, Juan Camilo, Herrera Saavedra, Juan Pablo, Campo Robledo, Jacobo, Superintendencia De Industria Y Comercio, Grupo De Estudios Económicos, Grupo de Estudios Económicos (GEE), and Superintendencia de Industria y Comercio

Subjects
[STAT]Statistics [stat], JEL: D - Microeconomics/D.D7 - Analysis of Collective Decision-Making/D.D7.D72 - Political Processes: Rent-Seeking, Lobbying, Elections, Legislatures, and Voting Behavior, JEL: E - Macroeconomics and Monetary Economics/E.E1 - General Aggregative Models/E.E1.E13 - Neoclassical, JEL: E - Macroeconomics and Monetary Economics/E.E6 - Macroeconomic Policy, Macroeconomic Aspects of Public Finance, and General Outlook/E.E6.E62 - Fiscal Policy, JEL: C - Mathematical and Quantitative Methods/C.C2 - Single Equation Models • Single Variables/C.C2.C22 - Time-Series Models • Dynamic Quantile Regressions • Dynamic Treatment Effect Models • Diffusion Processes, JEL: H - Public Economics/H.H3 - Fiscal Policies and Behavior of Economic Agents/H.H3.H30 - General, [SHS.ECO]Humanities and Social Sciences/Economics and Finance, [SHS.ECO] Humanities and Social Sciences/Economics and Finance, JEL: H - Public Economics/H.H2 - Taxation, Subsidies, and Revenue/H.H2.H20 - General, [STAT] Statistics [stat]
Published
2021

8. Phase I Upgrade of the Readout System of the Vertex Detector at the LHCb Experiment

Author

Fernandez Prieto, Antonio, primary, Vazquez Regueiro, Pablo, additional, Hennessy, Karol, additional, Buytaert, Jan, additional, van Beuzekom, Martin, additional, Lemos Cid, Edgar, additional, Eklund, Lars, additional, de Bruyn, Kristof, additional, Naik, Sneha, additional, Schiller, Manuel, additional, Murray, Donal, additional, Leflat, Alexander, additional, Boente Garcia, Oscar, additional, Gallas Torreira, Abraham, additional, Garcia Plana, Beatriz, additional, Bowcock, Themis, additional, Dettori, Francesco, additional, Dreimanis, Karlis, additional, Franco Lima, Vinicius, additional, Hutchcroft, David, additional, Rinnert, Kurt, additional, Shears, Tara, additional, Augusto, Oscar, additional, Coco, Victor, additional, Collins, Paula, additional, Evans, Tim, additional, Ferro-Luzzi, Massi, additional, Funk, Wolfgang, additional, Schindler, Heinrich, additional, Akiba, Kazu, additional, Dall'Occo, Elena, additional, Sanchez Graz, Cristina, additional, Hulsbergen, Wouter, additional, Hynds, Daniel, additional, Kostiuk, Igor, additional, Merk, Marcel, additional, Snoch, Aleksandra, additional, Seman Bobulska, Dana, additional, Borghi, Silvia, additional, de Capua, Stefano, additional, Dutta, Deepanwita, additional, Gersabeck, Marco, additional, Parkes, Chris, additional, Svihra, Peter, additional, Williams, Mark, additional, Bogdanova, Galina, additional, Volkov, Vladimir, additional, Kopciewicz, Pawel, additional, Majewski, Maciej, additional, Oblakowska-Mucha, Agnieszka, additional, Rachwal, Bartlomej, additional, Szumlak, Tomasz, additional, Meyer Garcia, Lucas, additional, Marinho, Franciole, additional, Helena Mendes, Larissa, additional, Nasteva, Irina, additional, Otalora, Juan, additional, Rodrigues, Gabriel, additional, Velthuis, Jaap, additional, Jalocha, Pawel, additional, John, Malcolm, additional, Jurik, Nathan, additional, Scantlebury-Smead, Luke, additional, Back, John, additional, Gershon, Tim, additional, Latham, Tom, additional, and Morris, Andrew, additional

Published
2020
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9. Velo Upgrade Module Nomenclature

Author

Coco, Victor, Akiba, Kazu, Back, John, Bertella, Claudia, Bitadze, Alexander, Boente García, Oscar, Bogdanova, Galina, Borghi, Silvia, Bowcock, Themis, Bridges, Kieran, Brock, Matthew, Buytaert, Jan, Byczinski, Wiktor, Carroll, John, Collins, Paula, Dall'Occo, Elena, de Capua, Stefano, de Bruyn, Kristof, de Roo, Krista, Dettori, Francesco, di Canto, Angelo, Doets, Martin, Dosil Suarez, Alvaro, Dreimanis, Karlis, Dumps, Raphael, Dutta, Deepanwita, Eklund, Lars, Elvin, Andrew, Evans, Tim, Fernández Prieto, Antonio, Ferro-Luzzi, Massi, Flores, Leyre, Franco Lima, Vinicius, Franscisco, Oscar, Freestone, Julian, Funk, Wolfgang, Fuzipeg, Claire, Gallas Torreira, Abraham, Garcia Pardiñas, Julián, García Plana, Beatriz, Gersabeck, Marco, Gershon, Tim, Helena Mendes, Larissa, Hennessy, Karol, Hulsbergen, Wouter, Hutchcroft, David, Hynds, Daniel, Jalocha, Pawel, Jans, Eddy, John, Malcolm, John, Dimitri, Jurik, Nathan, Ketel, Tjeerd, Kopciewicz, Pawel, Kos, Johan, Kostiuk, Igor, Kraan, Marco, Kuilman, Willem, Latham, Tom, Leflat, Alexander, Lemos Cid, Edgar, Majewski, Maciej, Marinho, Franciole, McCormick, Kevin, Merk, Marcel, Meyer Garcia, Lucas, Miller, Graham, Morris, Andrew, Munneke, Berend, Murray, Dónal, Naik, Sneha, Nasteva, Irina, Oblakowska-Mucha, Agnieszka, Otalora, Juan, Pérez Trigo, Eliseo, Parkes, Chris, Pazos Álvarez, Antonio, Perry, Michael, Rachwal, Bartlomej, Rinnert, Kurt, Rodrigues, Gabriel, Roeland, Erno, Romero Vidal, Antonio, Rovekamp, Joop, Sanchez Graz, Cristina, Sanders, Freek, Scantlebury-Smead, Luke, Schiller, Manuel, Schindler, Heinrich, Seman Bobulska, Dana, Shears, Tara, Smith, Tony, Snoch, Aleksandra, Švihra, Peter, Szumlak, Tomasz, Vázquez Regueiro, Pablo, Van Beuzekom, Martin, van Overbeek, Martijn, van Dongen, Jesse, Vazquez Sierra, Carlos, Velthuis, Jaap, Vieites Diaz, Maria, Volkov, Vladimir, Whitley, Mark, and Williams, Mark

Subjects
Particle Physics - Experiment
Abstract

The nomenclature and geometry of the various constituents of velo upgrade hybrid sensors are defined, as well as their position within the modules. The modules nomenclature and their position along the z-axis are defined.

Published
2019

10. Mejoramiento de capacidades logísticas en la producción-distribución de café orgánico en ASOPECAM.

Author

Consultor de tesis, Clavijo Buritica, Nicolas, Rodriguez Gasca, Maria Camila, Gomez Otalora, Juan Sebastian, Ortiz, David Alejandro, Consultor de tesis, Clavijo Buritica, Nicolas, Rodriguez Gasca, Maria Camila, Gomez Otalora, Juan Sebastian, and Ortiz, David Alejandro

Abstract

ASOPECAM (Asociación de Pequeños Caficultores de la Marina) es una asociación de productores de café, que cuenta con más de 20 años de experiencia en el mercado nacional en la producción y distribución de productos basados en café de excelente calidad. Realiza un excelente trabajo comercializando a nivel nacional e internacional, trabajando en conjunto con las 23 fincas productoras de café orgánico certificadas y asociadas. Esta asociación basa sus objetivos en el fortalecimiento de la economía campesina y la implementación de una propuesta sostenible centrada en los indicadores económicos, sociales y ambientales. En 2017, el sector cafetero mostró una notable disminución en el número de paquetes producidos en comparación con los años anteriores, como resultado de los diferentes cambios climáticos que se observaron en todo el mundo. Este proyecto propone una solución alternativa basada en el diseño de un proceso de planeación técnica centrada en la producción y distribución de café orgánico, permitiendo que ASOPECAM incremente su control en la producción y distribución de café orgánico con el objetivo de potenciar la utilidad. Las diferentes herramientas cualitativas y cuantitativas de ingeniería industrial son la base para el desarrollo de este proyecto que apunta a mejorar los diferentes problemas evidenciados en el trabajo de campo en relación con las capacidades logísticas. Además, ASOPECAM busca potenciar y aplicar un proceso técnico centrado en la producción y distribución, que son elementos esenciales de la cadena de suministro, aunque en el futuro desea implementar una mejora continua en toda la cadena., ASOPECAM is one of the main associations of small coffee growers, which has more than 20 years of experience in the national coffee growers market. It performs an excellent work of commercialization nationally and internationally in conjunction with the 23 certified organic coffee producers farms associated. This association bases its goals on the strengthening of the peasant economy and the implementation of a sustainable proposal focused on economic, social and environmental indicators. In 2017, the coffee sector showed a noticeable decrease in the number of packages produced compared to the previous years, as a result of the different climate changes witnessed worldwide. This project proposes an alternative solution based on the design of a technical planning process focused on the production and distribution of organic coffee, which allows the association of small coffee growers of Mariana (ASOPECAM) increase the production and distribution of organic coffee with the objective of potentialize the utility. The different qualitative and quantitative tools of industrial engineering are the basis for the development of this project that aims to improve the different problems evidenced in the field work in relation to the logistic capabilities. In addition, ASOPECAM seeks to potentiate and apply a technical process focused on the production and distribution, which are essential elements of the supply chain, although in the future it desires to implement a continuous improvement in the entire chain.

Published
2019

13. Viabilidad de un centro comercial empresarial de alta tecnología en la ciudad de Barranquilla

Author

Jiménez Arévalo, Nicolás, Sanabria Devia, Laura Alejandra, Panqueva Otalora, Juan Guillermo, Jiménez Arévalo, Nicolás, Sanabria Devia, Laura Alejandra, and Panqueva Otalora, Juan Guillermo

Abstract

La tecnología hoy en día es un factor determinante, tanto para el desarrollo continuo de las personas, como para el mundo en general; por esta razón, se busca el buen manejo y aprovechamiento de un puerto tan importante como lo es Barranquilla para el desarrollo del sector informático y de servicios, estudiando la viabilidad de un “Centro Comercial Empresarial de Alta Tecnología” CCEAT, para así lograr una evolución tanto para el departamento, como para el país., Technology today is a determining factor for the continued development of the industries and for the world in general, for this reason we found in Barranquilla a great opportunity for the development such as software and technological services. Studying the viability of a CCEAT “Centro Comercial Empresarial de Alta Tecnología”, a high technology business center, we are going to analyze the proper management and the market forces in order to obtain a clear view about the projects viability.

Published
2009

14. BIGS: A framework for large-scale image processing and analysis over distributed and heterogeneous computing resources

Author

Ramos-Pollan, Raul, primary, Gonzalez, Fabio A., additional, Caicedo, Juan C., additional, Cruz-Roa, Angel, additional, Camargo, Jorge E., additional, Vanegas, Jorge A., additional, Perez, Santiago A., additional, David Bermeo, Jose, additional, Otalora, Juan Sebastian, additional, Rozo, Paola K., additional, and Arevalo, John E., additional

Published
2012
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16. Real Cédula, 1661-12-03

Author

Arce de Otalora, Juan and Real Chancillería de Granada

Subjects
Administración de justicia
Abstract

Fecha probable de imp., 2 ej. de la misma obra, Lugar y fecha de imp. probables deducidos del texto, Inic. grab., Enc. Perg., Sign.: A-C2, D1

Published
1661

17. Summa nobilitatis hispanicae et immunitatis regiorum tributorum, causas, ius, ordinem, iudicium et excusationem breviter complectens... Nunc postremo recognita atque... emendata, novisque additionibus aucta

Author

Arce de Otalora, Juan and Portonariis, Andrea de

Subjects
Nobleza, España, Derecho civil
Abstract

Ej. mútilo de port. y 16 p. del cuadernillo † y, en parte, de la parte superior de la h. A1 afectando a texto, Marca tip. en port., Pie de imp. tomado de colofón, Texto a dos col., Inic. grab., Apostillas marginales ms., Enc. Perg., Sign.: †8, A-Z6, Aa-Gg6, Hh7

Published
1559

18. Summa nobilitatis hispanicae, et immunitatis regiorum tributorum : causas, ius, ordinem, iudicium, & excusationem breuiter complectens : nunc postremò recognita, atque infinitis propè locis emendata, nouisque additionibus aucta

Author

Terranova, Juan Bautista, imp., Arce de Otalora, Juan, Terranova, Juan Bautista, imp., and Arce de Otalora, Juan

Abstract

Marca xil. del ed. librero Juan Moreno en port. y en Z>4, Colofón, Sign. : *>8<, A-Y>8<, Z>4<, 2*>6<, 3*>7, Texto a dos col. con inic. grab.

19. Summa nobilitatis hispanicae, et immunitatis regiorum tributorum : causas, ius, ordinem, iudicium, & excusationem breuiter complectens : nunc postremò recognita, atque infinitis propè locis emendata, nouisque additionibus aucta

Author

Terranova, Juan Bautista, imp., Arce de Otalora, Juan, Terranova, Juan Bautista, imp., and Arce de Otalora, Juan

Abstract

Marca xil. del ed. librero Juan Moreno en port. y en Z>4, Colofón, Sign. : *>8<, A-Y>8<, Z>4<, 2*>6<, 3*>7, Texto a dos col. con inic. grab.

20. Summa nobilitatis hispanicae et immunitatis regiorum tributorum : causas, ius, ordinem, indicium [et] excusationem breuiter complectens ..

Author

Arce de Otalora, Juan and Arce de Otalora, Juan

Abstract

https://patrimoniodigital.ucm.es/r/thumbnail/663018, https://books.google.com/books/ucm?vid=UCM5320228935&printsec=frontcover&img=1, Sello de la Universidad Literaria de Madrid, Biblioteca. Falto de port. y de p. 259 a 270, ambas incluídas. Encuadernación de pergamino, Datos tomados de CCPB, ICCU, Nota a la edición: Marca tip. del editor en port. y en el recto de la última h, Nota a la edición: Pie de imprenta entre paréntesis tomado de colofón, Nota a la descripción física: Sign.: [asterisco]8, 2[asterisco]6, 3[asterisco]8, A-Y8, Z4, Nota a la descripción física: Texto a dos col, Nota a la descripción física: Iniciales xilográficas, [asterisco]8, 2[asterisco]6, 3[asterisco]8, A-Y8, Z4.

21. De nobilitatis, & immunitatis Hispaniae causis... deque regaliu[m] tributoru[m]... iure, ordini, indicio, & excusatione summa, seu tractatus

Author

Arce de Otalora, Juan and Arce de Otalora, Juan

Abstract

https://patrimoniodigital.ucm.es/r/thumbnail/632597, https://books.google.es/books/content?id=OSLZ03tTFuwC&hl=es&pg=PP5&img=1&zoom=3&sig=ACfU3U1KP-_OvBK8NB-AOwJocTsbbsN5jQ&w=1025, Ingresó en la Biblioteca Histórica procedente de la Facultad de Derecho en 2000. Encuadernación de pergamino, Nota a la edición: Marca tip. en el v. del colofón, Nota a la descripción física: Sign.: A-Y6, Nota a la descripción física: Portada con orla y escudo xilográficos, A-Y6.

22. De nobilitatis, & immunitatis Hispaniae causis... deque regaliu[m] tributoru[m]... iure, ordini, indicio, & excusatione summa, seu tractatus

Author

Arce de Otalora, Juan and Arce de Otalora, Juan

Abstract

https://patrimoniodigital.ucm.es/r/thumbnail/632598, https://books.google.es/books/content?id=mwXKosA1HNsC&hl=es&pg=PP5&img=1&zoom=3&sig=ACfU3U0bAGyVt_G8o_-z3-eg5meOjpN8kw&w=1025, Ex-libris ms. de Juan Graciano y Figueroa. Ex libris ms. del Colegio de los verdes. Encuadernación de pergamino, Nota a la edición: Marca tip. en el v. del colofón, Nota a la descripción física: Sign.: A-Y6, Nota a la descripción física: Portada con orla y escudo xilográficos, A-Y6.

23. De nobilitatis, & immunitatis Hispaniae causis... deque regaliu[m] tributoru[m]... iure, ordini, indicio, & excusatione summa, seu tractatus

Author

Arce de Otalora, Juan and Arce de Otalora, Juan

Abstract

https://patrimoniodigital.ucm.es/r/thumbnail/632596, https://books.google.es/books/content?id=pp4epk_0Hw8C&hl=es&pg=PP5&img=1&zoom=3&sig=ACfU3U2HjVRT96YME4wCV4Tgk9688hG6tg&w=1025, Olim: HIS XVI-53ARC den. - Ex-libris del Colegio de la Concepción de Alcalá. Firma en la portada de Fran[cisco] Ivañez Valero. - Encuadernación de pergamino, Ingresó en la Biblioteca Histórica procedente del Departamento de Historia del Derecho en 2013, Nota a la edición: Marca tip. en el v. del colofón, Nota a la descripción física: Sign.: A-Y6, Nota a la descripción física: Portada con orla y escudo xilográficos, A-Y6.

26. [Sobre la sucession de los mayorazgos de Vrrupain, y Garayo, que fundaron Iuan Diez de Garayo, y Doña Maria Ortiz de Vrbina su muger, y Iuan Martinez de Vrrupain, y Doña Catalina de Arratia su muger, por ser incompatibles con el de Otalora, que fundaron Iuan de Otalora, y Doña Maria de Zuaçu su muger, y el señor Licenciado Sancho Lopez de Otalora, de que es posseedor el dicho Don Baltasar de Otalora]

Author

Gutiérrez del Mazo, José, Díez de Garayo, Juan, Ortíz de Urbina, María, Martínez de Urrupain, Juan, Arratia, Catalina de, Otalora, Juan José de, Zuazu, María de, López de Otalora, Sancho, Gutiérrez del Mazo, José, Díez de Garayo, Juan, Ortíz de Urbina, María, Martínez de Urrupain, Juan, Arratia, Catalina de, Otalora, Juan José de, Zuazu, María de, and López de Otalora, Sancho

Abstract

Descripción basada en ejemplar de la BNE, por falto de portada, Se ha respetado la puntuación original, Título tomado de la cabecera de la h. 2, Texto firmado por: "Doct. Don Ioseph Gutierrez del Mazo", Fecha aproximada de impresión tomada del verso de la h. 5: "En 11. de Agosto de 1677", Sign.: A-K²

27. ¿Existen diferencias significativas en el desempeño de los estudiantes que cursan un programa de educación superior virtual respecto a uno presencial en Colombia? : el caso de los programas universitarios en Ciencias Económicas y Administrativas

Author

Gómez Soler, Silvia Consuelo, Astorga Rojas, Luis Diego, Medina Otalora, Juan Manuel, Gómez Soler, Silvia Consuelo, Astorga Rojas, Luis Diego, and Medina Otalora, Juan Manuel

Abstract

El presente estudio tiene como objetivo examinar las brechas de desempeño académico de la educación superior en Colombia para las modalidades de formación virtual y presencial en los programas universitarios del área de las Ciencias Económicas y Administrativas. A partir de los resultados en competencias genéricas de la prueba de Estado Saber Pro del año 2019 y por medio de la aplicación de modelos multinivel, se contrastaron factores personales, familiares, socioeconómicos y de la institución educativa asociados con el desempeño obtenido. Como resultado de las estimaciones, se identificó que los estudiantes que se forman en modalidad virtual obtienen un menor rendimiento académico en las competencias de razonamiento cuantitativo, lectura crítica, inglés y competencias ciudadanas que aquellos que cursan programas presenciales.

29. Summa nobilitatis hispanicae et immunitatis regiorum tributorum : causas, ius, ordinem, iudicium & excusationem breuiter complectens : nunc postremo recognita atq; infinitis propè locis enmendata nouisq; additionibus aucta

Author

Sánchez, Luis,, imp, Berrillo, Juan, ed. lit, Arce de Otalora, Juan, Sánchez, Luis,, imp, Berrillo, Juan, ed. lit, and Arce de Otalora, Juan

Abstract

Copia digital : Google Books, Colofones: en el verso de Z\b6\s y en 2¶\b6\s, Sign.: [calderón]\p8\s, A-Y\p8\s, Z\p6\s, [calderón]\p8\s, 2[calderón]\p6\s, Texto a dos columnas, Portada con escudo real xilográfico, Texto a dos col, Port. con esc. real xil

30. Summa nobilitatis hispanicae et immunitatis regiorum tributorum : causas, ius, ordinem, indicium & excusationem breuiter complectens ...

Author

Terranova, Juan Bautista de, imp, Moreno, Juan, ed. lit, Arce de Otalora, Juan, Terranova, Juan Bautista de, imp, Moreno, Juan, ed. lit, and Arce de Otalora, Juan

Abstract

Copia digital : Biblioteca Digital Hispánica (Biblioteca Nacional de España), Copia digital : Google Books, Colofón, Marca de Juan Moreno en portada y en el recto de la última h, Marca tip. del editor en port. y en el recto de la última h, Sign.: *\p8\s, 2*\p6\s, 3*\p8\s, A-Y\p8\s, Z\p4\s, Texto a dos columnas, Texto a dos col, Sign.: *\p8\s, 2*\p8\s, 3*\p8\s, A-Y\p8\s, Z\p4\s

31. De nobilitatis & inmunitatis Hispaniae causis ... deque regaliu tributoru ... iure, ordine, iudicio & excusatione summa, seu tractatus

Author

Nebrija, Sancho de, fl. 1534-1555, imp, Nebrija, Sebastián de, fl. 1534-1555, imp, Arce de Otalora, Juan, Nebrija, Sancho de, fl. 1534-1555, imp, Nebrija, Sebastián de, fl. 1534-1555, imp, and Arce de Otalora, Juan

Abstract

Marca tip., en port. y h. 132 v., del Taller granadino de los hijos y nietos de Antonio de Nebrija, de donde se deduce que los imp. son Sancho y Sebastián de Nebrija (Delgado, 624), Sign.: [cristus]\p6\s, 2[cristus]\p8\s, A-Y\p6\s, Texto a dos col, Port. con orla tip

32. Readout Firmware of the Vertex Locator for LHCb Run 3 and Beyond

Author

Mark Richard James Williams, Pawel Jalocha, Kurt Rinnert, Francesco Dettori, Pawel Kopciewicz, John Back, Malcolm John, Jan Buytaert, T. J. V. Bowcock, Timothy Gershon, Michael Joseph Morello, B. Rachwal, Nathan Jurik, Kristof De Bruyn, Karol Hennessy, Elena Dall' Occo, Jaap Velthuis, Andrew J. Morris, Victor Coco, Irina Nasteva, Federico Lazzari, Abraham Gallas Torreira, Maciej Witold Majewski, Pablo Vazquez Regueiro, Christopher Parkes, Daniel Hynds, Donal Murray, M. Ferro-Luzzi, Martin van Beuzekom, Timothy Evans, Stefano De Capua, Giovanni Punzi, Vladimir Volkov, Larissa Helena Mendes, Karlis Dreimanis, Deepanwita Dutta, Gabriel Rodrigues, Manuel Schiller, Antonio Fernandez Prieto, Igor Kostiuk, Lucas Meyer Garcia, Lars Eklund, Marcel Merk, Luke Scantlebury-Smead, Silvia Borghi, Edgar Lemos Cid, P. Collins, Peter Svihra, Galina Bogdanova, Aleksandra Snoch, Kazu Akiba, Tara Shears, Alexander Leflat, Oscar Augusto, Vinicius Franco Lima, Sneha Naik, Wouter Hulsbergen, Tomasz Szumlak, David Hutchcroft, Agnieszka Oblakowska-Mucha, Heinrich Schindler, Dana Bobulska, Juan Otalora, Franciole Da Cunha Marinho, Cristina Sanchez Graz, T. E. Latham, Beatriz Garcia Plana, Oscar Boente Garcia, Marco Gersabeck, Giovanni Bassi, Hennessy, Karol, Prieto, Antonio Fernandez, Regueiro, Pablo Vazquez, Buytaert, Jan, Van Beuzekom, Martin, Cid, Edgar Lemo, Eklund, Lar, de Bruyn, Kristof, Naik, Sneha, Schiller, Manuel, Murray, Donal, Leflat, Alexander, Bassi, Giovanni, Punzi, Giovanni, Lazzari, Federico, Morello, Michael J., Garcia, Oscar Boente, Torreira, Abraham Galla, Plana, Beatriz Garcia, Bowcock, Themi, Dettori, Francesco, Dreimanis, Karli, Lima, Vinicius Franco, Hutchcroft, David, Rinnert, Kurt, Shears, Tara, Augusto, Oscar, Coco, Victor, Collins, Paula, Evans, Tim, Ferro-Luzzi, Massi, Schindler, Heinrich, Akiba, Kazu, Occo, Elena Dall', Graz, Cristina Sanchez, Hulsbergen, Wouter, Hynds, Daniel, Kostiuk, Igor, Merk, Marcel, Snoch, Aleksandra, Bobulska, Dana Seman, Borghi, Silvia, de Capua, Stefano, Dutta, Deepanwita, Gersabeck, Marco, Parkes, Chri, Svihra, Peter, Williams, Mark, Bogdanova, Galina, Volkov, Vladimir, Kopciewicz, Pawel, Majewski, Maciej, Oblakowska-Mucha, Agnieszka, Rachwal, Bartlomej, Szumlak, Tomasz, Garcia, Lucas Meyer, Marinho, Franciole, Mendes, Larissa Helena, Nasteva, Irina, Otalora, Juan, Rodrigues, Gabriel, Velthuis, Jaap, Jalocha, Pawel, John, Malcolm, Jurik, Nathan, Scantlebury-Smead, Luke, Back, John, Gershon, Tim, Latham, Tom, and Morris, Andrew

Subjects
Nuclear and High Energy Physics, Large Hadron Collider, Computer science, Firmware, business.industry, Settore FIS/01 - Fisica Sperimentale, Detector, vertex locator (VELO), computer.software_genre, DAQ, Computing and Computers, LHCb, Data acquisition, firmware, Nuclear Energy and Engineering, Application-specific integrated circuit, Gigabit, readout, Detectors and Experimental Techniques, Electrical and Electronic Engineering, Serializer, business, Field-programmable gate array, computer, Computer hardware
Abstract

The new LHCb Vertex Locator (VELO) for LHCb, comprising a new pixel detector and readout electronics, will be installed in 2021 for data taking in Run 3 at the LHC. The electronics centers around the "VeloPix" ASIC at the front-end operating in a trigger-less readout at 40MHz. A custom serializer, called gigabit wireline transmitter (GWT), and associated custom protocol have been designed for the VeloPix. The GWT data are sent from the serializers of the VeloPix at a line rate of 5.12 Gb/s, reaching a total data rate of 2-3 Tb/s for the full VELO detector. Data are sent over 300-m optic-fiber links to the control and readout electronics cards for deserialization and processing in Intel Arria 10 FPGAs. Because of the VeloPix trigger-less design, latency variances up to 12 mu s can occur between adjacent datagrams. It is therefore essential to buffer and synchronize the data in firmware prior to onward propagation or suffer a huge CPU-processing penalty. This article will describe the architecture of the readout firmware in detail with focus given to the resynchronization mechanism and techniques for cauterization. Issues found during readout commissioning, and scaling resource utilization, along with the their solutions, will be illustrated. The latest results of the firmware data-processing chain can be presented as well as the verification procedures employed in simulation. Challenges for the next generation of the detector will also be presented with ideas for a readout processing solution. The new LHCb Vertex Locator (VELO) for LHCb, comprising a new pixel detector and readout electronics, will be installed in 2021 for data taking in Run 3 at the LHC. The electronics centers around the 'VeloPix' ASIC at the front-end operating in a trigger-less readout at 40MHz. A custom serializer, called gigabit wireline transmitter (GWT), and associated custom protocol have been designed for the VeloPix. The GWT data are sent from the serializers of the VeloPix at a line rate of 5.12 Gb/s, reaching a total data rate of 2-3 Tb/s for the full VELO detector. Data are sent over 300-m optic-fiber links to the control and readout electronics cards for deserialization and processing in Intel Arria 10 FPGAs. Because of the VeloPix trigger-less design, latency variances up to 12 $\mu \text{s}$ can occur between adjacent datagrams. It is therefore essential to buffer and synchronize the data in firmware prior to onward propagation or suffer a huge CPU-processing penalty. This article will describe the architecture of the readout firmware in detail with focus given to the resynchronization mechanism and techniques for cauterization. Issues found during readout commissioning, and scaling resource utilization, along with the their solutions, will be illustrated. The latest results of the firmware data-processing chain can be presented as well as the verification procedures employed in simulation. Challenges for the next generation of the detector will also be presented with ideas for a readout processing solution.

Published
2021
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