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Author |
Javier Rodenas; Bhalaji Nagarajan; Marc Bolaños; Petia Radeva |
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Title |
Learning Multi-Subset of Classes for Fine-Grained Food Recognition |
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Conference Article |
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Year |
2022 |
Publication |
7th International Workshop on Multimedia Assisted Dietary Management |
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17–26 |
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Food image recognition is a complex computer vision task, because of the large number of fine-grained food classes. Fine-grained recognition tasks focus on learning subtle discriminative details to distinguish similar classes. In this paper, we introduce a new method to improve the classification of classes that are more difficult to discriminate based on Multi-Subsets learning. Using a pre-trained network, we organize classes in multiple subsets using a clustering technique. Later, we embed these subsets in a multi-head model structure. This structure has three distinguishable parts. First, we use several shared blocks to learn the generalized representation of the data. Second, we use multiple specialized blocks focusing on specific subsets that are difficult to distinguish. Lastly, we use a fully connected layer to weight the different subsets in an end-to-end manner by combining the neuron outputs. We validated our proposed method using two recent state-of-the-art vision transformers on three public food recognition datasets. Our method was successful in learning the confused classes better and we outperformed the state-of-the-art on the three datasets. |
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Lisboa; Portugal; October 2022 |
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MADiMa |
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MILAB |
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no |
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Admin @ si @ RNB2022 |
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3797 |
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Author |
David Vazquez; David Geronimo; Antonio Lopez |
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Title |
The effect of the distance in pedestrian detection |
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Report |
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Year |
2009 |
Publication |
CVC Technical Report |
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Volume |
149 |
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Pedestrian Detection |
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Abstract |
Pedestrian accidents are one of the leading preventable causes of death. In order to reduce the number of accidents, in the last decade the pedestrian protection systems have been introduced, a special type of advanced driver assistance systems, in witch an on-board camera explores the road ahead for possible collisions with pedestrians in order to warn the driver or perform braking actions. As a result of the variability of the appearance, pose and size, pedestrian detection is a very challenging task. So many techniques, models and features have been proposed to solve the problem. As the appearance of pedestrians varies signi cantly as a function of distance, a system based on multiple classi ers specialized on diferent depths is likely to improve the overall performance with respect to a typical system based on a general detector. Accordingly, the main aim of this work is to explore the e ect of the distance in pedestrian detection. We have evaluated three pedestrian detectors (HOG, HAAR and EOH) in two di erent databases (INRIA and Daimler09) for two di erent sizes (small and big). By a extensive set of experiments we answer to questions like which datasets and evaluation methods are the most adequate, which is the best method for each size of the pedestrians and why or how do the method optimum parameters vary with respect to the distance |
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Master's thesis |
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ADAS |
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ADAS @ adas @ VGL2009 |
Serial |
1669 |
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Author |
Hassan Ahmed Sial; Ramon Baldrich; Maria Vanrell; Dimitris Samaras |
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Title |
Light Direction and Color Estimation from Single Image with Deep Regression |
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Conference Article |
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Year |
2020 |
Publication |
London Imaging Conference |
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We present a method to estimate the direction and color of the scene light source from a single image. Our method is based on two main ideas: (a) we use a new synthetic dataset with strong shadow effects with similar constraints to the SID dataset; (b) we define a deep architecture trained on the mentioned dataset to estimate the direction and color of the scene light source. Apart from showing good performance on synthetic images, we additionally propose a preliminary procedure to obtain light positions of the Multi-Illumination dataset, and, in this way, we also prove that our trained model achieves good performance when it is applied to real scenes. |
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Virtual; September 2020 |
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LIM |
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CIC; 600.118; 600.140; |
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no |
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Call Number |
Admin @ si @ SBV2020 |
Serial |
3460 |
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Author |
Fernando Vilariño |
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Title |
Giving Value to digital collections in the Public Library |
Type |
Conference Article |
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Year |
2016 |
Publication |
Librarian 2020 |
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Brussels; Belgium; October 2016 |
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LIB |
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Notes |
MV; 600.097;SIAI |
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no |
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Call Number |
Admin @ si @Vil2016a |
Serial |
2802 |
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Author |
David Roche; Debora Gil; Jesus Giraldo |
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Title |
Assessing agonist efficacy in an uncertain Em world |
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Conference Article |
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Year |
2012 |
Publication |
40th Keystone Symposia on mollecular and celular biology |
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79 |
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Abstract |
The operational model of agonism has been widely used for the analysis of agonist action since its formulation in 1983. The model includes the Em parameter, which is defined as the maximum response of the system. The methods for Em estimation provide Em values not significantly higher than the maximum responses achieved by full agonists. However, it has been found that that some classes of compounds as, for instance, superagonists and positive allosteric modulators can increase the full agonist maximum response, implying upper limits for Em and thereby posing doubts on the validity of Em estimates. Because of the correlation between Em and operational efficacy, τ, wrong Em estimates will yield wrong τ estimates.
In this presentation, the operational model of agonism and various methods for the simulation of allosteric modulation will be analyzed. Alternatives for curve fitting will be presented and discussed. |
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Fairmont Banff Springs, Banff, Alberta, Canada |
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Keystone Symposia |
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Keystone Symposia |
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Editor |
A. Christopoulus and M. Bouvier |
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english |
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english |
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Keystone Symposia |
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KSMCB |
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IAM |
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no |
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Call Number |
IAM @ iam @ RGG2012 |
Serial |
1855 |
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Author |
Carles Fernandez; Pau Baiget; Xavier Roca; Jordi Gonzalez |
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Title |
Natural Language Descriptions of Human Behavior from Video Sequences |
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Conference Article |
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Year |
2007 |
Publication |
Advances in Artificial Intelligence, 30th Annual Conference on Artificial Intelligence |
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4667 |
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279–292 |
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LNCS |
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KI |
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ISE |
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no |
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ISE @ ise @ FBR2007b |
Serial |
921 |
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Author |
Fernando Vilariño |
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Title |
Computer Vision and Performing Arts |
Type |
Conference Article |
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Year |
2015 |
Publication |
Korean Scholars of Marketing Science |
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Seoul; Korea; October 2015 |
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KAMS |
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Notes |
MV;SIAI |
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no |
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Call Number |
Admin @ si @Vil2015 |
Serial |
2799 |
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Author |
Lluis Gomez; Marçal Rusiñol; Ali Furkan Biten; Dimosthenis Karatzas |
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Title |
Subtitulació automàtica d'imatges. Estat de l'art i limitacions en el context arxivístic |
Type |
Conference Article |
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Year |
2018 |
Publication |
Jornades Imatge i Recerca |
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JIR |
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Notes |
DAG; 600.084; 600.135; 601.338; 600.121; 600.129 |
Approved |
no |
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Call Number |
Admin @ si @ GRB2018 |
Serial |
3173 |
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Author |
Enric Marti; Jaume Rocarias; Ricardo Toledo; Aura Hernandez-Sabate |
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Title |
Caronte: plataforma Moodle con gestion flexible de grupos. Primeras experiencias en asignaturas de Ingenieria Informatica |
Type |
Miscellaneous |
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Year |
2009 |
Publication |
15th Jornadas de Enseñanza Universitaria de la Informatica |
Abbreviated Journal |
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Pages |
461–468 |
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Abstract |
En este artículo se presenta Caronte, entorno LMS (Learning Management System) basado en Moodle. Una característica importante del entorno es la gestión flexible de grupos en una asignatura. Entendemos por grupo un conjunto de alumnos que realizan un trabajo y uno de ellos entrega la actividad propuesta (práctica, encuesta, etc.) en representación del grupo. Hemos trabajado en la confección de estos grupos, implementando un sistema de inscripción por contraseña.
Caronte ofrece un conjunto de actividades basadas en este concepto de grupo: encuestas, tareas (entrega de trabajos o prácticas), encuestas de autoevaluación y cuestionarios, entre otras.
Basada en nuestra actividad de encuesta, hemos definido una actividad de Control, que permite un cierto feedback electrónico del profesor sobre la actividad de los alumnos.
Finalmente, se presenta un resumen de las experiencias de uso de Caronte sobre asignaturas de Ingeniería Informática en el curso 2007-08. |
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Address |
Barcelona, Spain |
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ISBN |
978-84-692-2758-9 |
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JENUI |
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Notes |
IAM;RV;ADAS |
Approved |
no |
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Call Number |
IAM @ iam @ MRT2009 |
Serial |
1202 |
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Author |
Joan Oliver; Ricardo Toledo; J. Pujol; J. Sorribes; E. Valderrama |
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Title |
Un ABP basado en la robotica para las ingenierias informaticas |
Type |
Miscellaneous |
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2009 |
Publication |
15th Jornadas de Enseñanza Universitaria de la Informatica |
Abbreviated Journal |
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331–338 |
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Barcelona, Spain |
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ISBN:978–84–692–2758–9 |
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JENUI |
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ADAS |
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no |
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Call Number |
Admin @ si @ OTP2009 |
Serial |
1253 |
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Author |
Enric Marti; Ferran Poveda; Antoni Gurgui; Debora Gil |
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Title |
Aprendizaje Basado en Proyectos en Ingeniería Informática. Resultados y reflexiones de seis años de experiencia |
Type |
Miscellaneous |
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Year |
2011 |
Publication |
Actas del Simposio-Taller JENUI 2011 |
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1-8 |
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Abstract |
In this workshop a 6 years experience in Project Based Learning (PBL) in Computer Graphics, Computer Engineering course at the Autonomous University of Barcelona (UAB) is presented. We use a Moodle environment suited to manage the documentation generated in PBL. The course is organized by means of two alternative routes: a classic itinerary of lectures and test-based evaluation and another with PBL. In the PBL itinerary we explain the organization in teamgroups, homework tutoring and monitoring and evaluation guidelines for students. We provide some of the work done by students, and the results of assessment surveys carried out to students during these years. We report the evolution of our PBL itinerary in terms of, both, organization and student surveys.
The workshop aims at discussing about on the advantages and disadvantages of using these active methodologies in technical degrees such as computer engineering, in order to debate about the most suitable way of organizing PBL and assessing students learning rate. |
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Sevilla, Spain |
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spanish |
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978-84-694-5440-4 |
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JENUI |
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IAM |
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IAM @ iam @ MPG2011 |
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1584 |
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Author |
Enric Marti; Debora Gil; Marc Vivet; Carme Julia |
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Title |
Aprendizaje Basado en Proyectos en la asignatura de Gráficos por Computador en Ingeniería Informática. Balance de cuatro años de experiencia |
Type |
Miscellaneous |
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2009 |
Publication |
15th Jornadas de Enseñanza Universitaria de la Informatica |
Abbreviated Journal |
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Barcelona, Spain |
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1 |
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978-84-692-2758-9 |
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JENUI |
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IAM;ADAS |
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no |
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IAM @ iam @ MGV2009 |
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1596 |
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Author |
Enric Marti; Debora Gil; Marc Vivet; Carme Julia |
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Title |
Uso de recursos virtuales en Aprendizaje Basado en Proyectos. Una experiencia en la asignatura de Gráficos por Computador |
Type |
Miscellaneous |
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2009 |
Publication |
15th Jornadas de Enseñanza Universitaria de la Informatica |
Abbreviated Journal |
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Lleida |
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Octava Jornada sobre Aprendizaje Cooperativo |
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JENUI |
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IAM;ADAS |
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IAM @ iam @ MRG2009b |
Serial |
1597 |
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Author |
Laura Igual; Xavier Baro |
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Title |
Experiencia de aprendizaje de programación basada en proyectos. Simposio-Taller Estrategias y herramientas para el aprendizaje y la evaluación |
Type |
Miscellaneous |
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2013 |
Publication |
Simposio-Taller Estrategias y herramientas para el aprendizaje y la evaluación, de las XIX Jornadas sobre la Enseñanza Universitaria de la Informática |
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JENUI |
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Notes |
OR;HuPBA;MV |
Approved |
no |
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Call Number |
Admin @ si @ IgB2013 |
Serial |
2257 |
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| Permanent link to this record |
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Author |
Xavier Baro; David Masip; Elena Planas; Julia Minguillon |
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Title |
PeLP: Plataforma para el Aprendizaje de Lenguajes de Programación |
Type |
Miscellaneous |
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Year |
2013 |
Publication |
XV Jornadas de Enseñanza Universitaria de la Informatica |
Abbreviated Journal |
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Thesis |
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Language |
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Summary Language |
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Original Title |
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Series Editor |
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Abbreviated Series Title |
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Edition |
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ISSN |
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ISBN |
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Medium |
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Area |
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Expedition |
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Conference |
JENUI |
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Notes |
OR;HuPBA;MV |
Approved |
no |
|
| |
Call Number |
Admin @ si @ BMP2013 |
Serial |
2237 |
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| Permanent link to this record |
