Autonomía y tutorización como base del aprendizaje en asignaturas de Génesis de Suelos

Ante la oportunidad de cambio en la docencia que la Universidad Española está ofreciendo a sus profesores dentro del nuevo Espacio Europeo de Educación Superior y dentro de la asignatura de Génesis de suelos o Geología (Escuela Técnica Superior de Ingenieros agrónomos de la Universidad Politécnica de Valencia) se encuadra la presente comunicación que pretende ofrecer una visión de la posible combinación de dos pilares básicos en el aprendizaje de modo activo de los alumnos: la autonomía y la tutorización. La enseñanza universitaria del futuro debe desarrollarse sobre dichos pilares con un aumento del trabajo autónomo por parte de los alumnos, los cuales son conocedores en todas las etapas de su aprendizaje. Debido a esto los profesores pasan a un segundo plano, como una figura simbólica de "guía", consiguiendo una mejora de los resultados de aprendizaje e implicación y motivación de los alumnos en la asignatura de génesis de suelos. Las metodologías activas y nuevas tecnologías (TIC's) favorecen la fluidez entre alumno y profesor en el proceso de aprendizaje y ayudan también a mejorar los resultados de dicho proceso, obteniéndose una mejora cualitativa y cuantitativa en la calidad de la enseñanza universitaria. El uso de material educativo, junto nuevas plataformas de transferencia de conocimiento, la implantación de tareas sobre las cuales aplicar los conocimientos adquiridos y una evaluación correcta que permita evaluar el grado de conocimiento ·in situ" para subsanar los errores y problemas, son los puntos de innovación expuestos en el presenten documento, siendo éstos, sobre los cuales se apoya el trabajo autónomo y la tutorización para obtener resultados óptimos evaluables en el proceso de aprendizaje en el entorno universitario. Estas innovaciones, así como la necesidad de restructuración de créditos en base a las nuevas directrices europeas (teniéndose en cuenta las horas de trabajo del alumno en su casa) son los principales aspectos junto con la excelencia docente y el ánimo por enseñar a aprender, los motivos que han motivado a los profesores de la asignatura a adecuarla a las nuevas metodologías docentes que deben de favorecer la inserción de la Universidad Politécnica de Valencia en el Espacio Europeo de Educación Superior

Aprendizaje y evaluación de la competencia transversal "Creatividad e Innovación" en el marco de una titulación adaptada al EEES

Un aspecto primordial del cambio que ha supuesto la adaptación de las titulaciones al Espacio Europeo del Educación Superior (EEES) es que el proceso de aprendizaje se centra en el estudiante y resalta la importancia que representa la educación en términos de adquisición de diversas competencias. Para ofrecer una formación de calidad es indispensable evaluar el progreso de los estudiantes en dichas competencias utilizando instrumentos que permitan la mejora continua del aprendizaje a lo largo de toda la titulación. En el presente trabajo se expondrá la importancia que adquiere en el título de Grado en Administración y Dirección de Empresas (ADE) de la Universitat Ramon Llull (URL), la adquisición por parte de los estudiantes de la competencia transversal “Creatividad e Innovación” y los instrumentos de evaluación que se han diseñado para evaluar el progreso y logro de los estudiantes en dicha competencia durante su periodo formativo. Por una parte, se tratará la evaluación de la creatividad como competencia transversal del currículo de la titulación de ADE y en consecuencia, en el contexto global del plan de estudios de la titulación. Por otra parte, se describirá la evaluación de la creatividad en el marco específico de una asignatura para detallar el instrumento y criterios concretos de evaluación utilizados aplicados a una materia concreta. En las conclusiones se expondrá en qué medida el proceso de evaluación ha repercutido en la mejora del aprendizaje de la competencia y las acciones llevadas a cabo como resultados de la evaluación

La piscicultura: una alternativa per a las comarques gironines

La piscicultura com una alternativa per a las comarques gironines

UdGExpress

Notícies de la comunitat universitària

Multicast extension of unicast charging for QoS Services

In order to successfully deploy multicast services in QoS-aware networks, pricing architectures must take into account the particular characteristics of multicast sessions. With this objective, we propose a charging scheme for QoS multicast services, assuming that the unicast cost of each interconnecting link is determined and that such cost is expressed in terms of quality of service (QoS) parameters. Our scheme allows determining the cost distribution of a multicast session along a cost distribution tree (CDT), and basing such distribution in those pre-existing unicast cost functions. The paper discusses in detail the main characteristics of the problem in a realistic interdomain scenario and how the proposed scheme would contribute to its solution

Multidimensional Adaptations for Open Learning Management Systems

Our work is focused on alleviating the workload for designers of adaptive courses on the complexity task of authoring adaptive learning designs adjusted to specific user characteristics and the user context. We propose an adaptation platform that consists in a set of intelligent agents where each agent carries out an independent adaptation task. The agents apply machine learning techniques to support the user modelling for the adaptation process

A quality-based cost distribution charging scheme for QoS multicast networks

This paper presents a new charging scheme for cost distribution along a point-to-multipoint connection when destination nodes are responsible for the cost. The scheme focus on QoS considerations and a complete range of choices is presented. These choices go from a safe scheme for the network operator to a fair scheme to the customer. The in-between cases are also covered. Specific and general problems, like the incidence of users disconnecting dynamically is also discussed. The aim of this scheme is to encourage the users to disperse the resource demand instead of having a large number of direct connections to the source of the data, which would result in a higher than necessary bandwidth use from the source. This would benefit the overall performance of the network. The implementation of this task must balance between the necessity to offer a competitive service and the risk of not recovering such service cost for the network operator. Throughout this paper reference to multicast charging is made without making any reference to any specific category of service. The proposed scheme is also evaluated with the criteria set proposed in the European ATM charging project CANCAN

On the use of QoS requirements as base of multicast charging

We propose a charging scheme for cost distribution along a multicast tree when cost is the responsibility of the receivers. This scheme focuses on QoS considerations and it does not depend on any specific type of service. The scheme has been designed to be used as a bridge between unicast and multicast services, solving the problem of charging multicast services by means of unicast charging and existing QoS routing mechanisms. We also include a numerical comparison and discussions of the case of non-numerical or relative QoS and on the application to some service examples in order to give a better understanding of the proposal

CAC controlled services sharing a link with connectionless data services in an ATM network: a performance evaluation study

In the B-ISDN there is a provision for four classes of services, all of them supported by a single transport network (the ATM network). Three of these services, the connected oriented (CO) ones, permit connection access control (CAC) but the fourth, the connectionless oriented (CLO) one, does not. Therefore, when CLO service and CO services have to share the same ATM link, a conflict may arise. This is because a bandwidth allocation to obtain maximum statistical gain can damage the contracted ATM quality of service (QOS); and vice versa, in order to guarantee the contracted QOS, the statistical gain have to be sacrificed. The paper presents a performance evaluation study of the influence of the CLO service on a CO service (a circuit emulation service or a variable bit-rate service) when sharing the same link

Resource dimensioning aspect of heterogeneous traffic with different service requirements: Integration versus segregation

In this paper, we consider the ATM networks in which the virtual path concept is implemented. The question of how to multiplex two or more diverse traffic classes while providing different quality of service requirements is a very complicated open problem. Two distinct options are available: integration and segregation. In an integration approach all the traffic from different connections are multiplexed onto one VP. This implies that the most restrictive QOS requirements must be applied to all services. Therefore, link utilization will be decreased because unnecessarily stringent QOS is provided to all connections. With the segregation approach the problem can be much simplified if different types of traffic are separated by assigning a VP with dedicated resources (buffers and links). Therefore, resources may not be efficiently utilized because no sharing of bandwidth can take place across the VP. The probability that the bandwidth required by the accepted connections exceeds the capacity of the link is evaluated with the probability of congestion (PC). Since the PC can be expressed as the CLP, we shall simply carry out bandwidth allocation using the PC. We first focus on the influence of some parameters (CLP, bit rate and burstiness) on the capacity required by a VP supporting a single traffic class using the new convolution approach. Numerical results are presented both to compare the required capacity and to observe which conditions under each approach are preferred

Bandwidth allocation based on real time calculations using the convolution approach

This paper focuses on one of the methods for bandwidth allocation in an ATM network: the convolution approach. The convolution approach permits an accurate study of the system load in statistical terms by accumulated calculations, since probabilistic results of the bandwidth allocation can be obtained. Nevertheless, the convolution approach has a high cost in terms of calculation and storage requirements. This aspect makes real-time calculations difficult, so many authors do not consider this approach. With the aim of reducing the cost we propose to use the multinomial distribution function: the enhanced convolution approach (ECA). This permits direct computation of the associated probabilities of the instantaneous bandwidth requirements and makes a simple deconvolution process possible. The ECA is used in connection acceptance control, and some results are presented

Adaptive integral assessment package for the A2UN@ project

This paper presents a first approach of Evaluation Engine Architecture (EEA) as proposal to support adaptive integral assessment, in the context of a virtual learning environment. The goal of our research is design an evaluation engine tool to assist in the whole assessment process within the A2UN@ project, linking that tool with the other key elements of a learning design (learning task, learning resources and learning support). The teachers would define the relation between knowledge, competencies, activities, resources and type of assessment. Providing this relation is possible obtain more accurate estimations of student's knowledge for adaptive evaluations and future recommendations. The process is supported by usage of educational standards and specifications and for an integral user modelling

Designing context-aware adaptive units of learning based on IMS-LD standard

Learning contents adaptation has been a subject of interest in the research area of the adaptive hypermedia systems. Defining which variables and which standards can be considered to model adaptive content delivery processes is one of the main challenges in pedagogical design over e-learning environments. In this paper some specifications, architectures and technologies that can be used in contents adaptation processes considering characteristics of the context are described and a proposal to integrate some of these characteristics in the design of units of learning using adaptation conditions in a structure of IMS-Learning Design (IMS-LD) is presented. The key contribution of this work is the generation of instructional designs considering the context, which can be used in Learning Management Systems (LMSs) and diverse mobile devices

Adaption of Courses and Learning Environment to the User Context in dotLRN

The explosive growth of Internet during the last years has been reflected in the ever-increasing amount of the diversity and heterogeneity of user preferences, types and features of devices and access networks. Usually the heterogeneity in the context of the users which request Web contents is not taken into account by the servers that deliver them implying that these contents will not always suit their needs. In the particular case of e-learning platforms this issue is especially critical due to the fact that it puts at stake the knowledge acquired by their users. In the following paper we present a system that aims to provide the dotLRN e-learning platform with the capability to adapt to its users context. By integrating dotLRN with a multi-agent hypermedia system, online courses being undertaken by students as well as their learning environment are adapted in real time

Optimal Traffic Grooming in WDM using Lighttours

Recent developments in optical communications have allowed simpler optical devices to improve network resource utilization. As such, we propose adding a lambda-monitoring device to a wavelength-routing switch (WRS) allowing better performance when traffic is routed and groomed. This device may allow a WRS to aggregate traffic over optical routes without incurring in optical-electrical-optical conversion for the existing traffic. In other words, optical routes can be taken partially to route demands creating a sort of "lighttours". In this paper, we compare the number of OEO conversions needed to route a complete given traffic matrix using either lighttours or lightpaths