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Regulative support during inquiry learning with simulations and modeling
Many factors impact learning; the environment and resources available, the domain, how much prior-knowledge a student has, and how well they make use of their metacognitive skills, all of these factors impact new knowledge creation. The series of studies described in this dissertation focuses on the latter; i.e. the metacognitive skillfulness of students. Known collectively as self-regulation, planning, monitoring, and evaluation, when applied appropriately will enhance learning. Students who m
Author(s): Manlove Sarah

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Problems and Opportunities of Learning together in a Virtual Learning Environment
This chapter explores new ways of collaborative learning in a virtual learning environment based on our acquisition of knowledge from previous experience. We identify both the problems faced in real collaborative learning practices and the ways these problems can be overcome and become opportunities for more efficient learning. These issues concern pedagogical, organisational and technical elements and constraints that influence the successful application of collaborative learning in distance ed
Author(s): Daradoumis Thanasis,Xhafa Fatos

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A Framework for Assessing Self, Peer and Group Performance in e-Learning
In this chapter we propose a framework that supports the analysis and assessment of collaborative learning of online groups of students working on a complex task (software project, or case study) in a real web-based, distance learning context. On the one hand, our approach is based on principled evaluation criteria that involve and measure a variety of elements and factors as well as on a combination of a basic qualitative process and a quantitative method that provide a grounded and holistic fr
Author(s): Daradoumis Thanasis,Xhafa Fatos,Juan Perez A.

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A Neural Approach for Modeling the Inference of Awareness in Computer-Supported Collaboration
Individuals interacting in a computer supported collaborative learning (CSCL) environment produce a variety of information elements during their participation; these information elements usually have a complex structure and semantics, which make it rather difficult to find out the behavioral attitudes and profiles of the users involved. This work provides a model that can be used to discover awareness information lying underneath multi-user interaction. This information is initially captured in
Author(s): Daradoumis Thanasis,Casillas Luis A.

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Collaborative distributed environments for learning design tasks by means of modelling and simulatio
The Simulation discipline has to face new challenges such as the incorporation of Collaborative Technologies for professional use as well as for teaching purposes. This integration permits the creation of new kinds of support for collaborative learning processes. In this paper, we explore the potential of this synergy with DomoSim-TPC, a synchronous distributed collaborative environment for the teaching and learning of Domotics. The system supports an active, simulation-based and problem-based a
Author(s): Bravo Crescencio,Redondo Miguel,Ortega Manuel,Verd

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Open Distance Inter-University Synergies Between Europe, Africa and the Middle East (ODISEAME)
The challenge facing new technologies is whether they can contribute to a qualitative step up and to education for all as a process of facilitating the development of creative people with the ability to think critically and to engage in socially relevant decision making. In this paper, we describe a project whose purpose is to develop a learning environment that takes into account current expertise in learning theory in order to facilitate productive collaboration in a way that leads to active c
Author(s): Nicolaou Christiana Th.,Constantinou Constantinos

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Stagecast Creator™ and Webct™: An integrated use of computer programming and a virtual learning en
This paper reports on an effort to use Stagecast Creator™ as a means for developing modelling skills among undergraduate students taking an introductory course in science that took place in a virtual learning environment (WebCT™). An inquiry-based curriculum was implemented, which guided students working in small groups to collect and study moon observations and construct a series of successive models of the moon phases using Stagecast Creator™. Students’ reflective journals and reports of s
Author(s): Nicolaou Christiana Th.,Constantinou Constantinos

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Meanings for Fraction as Number - Measure by Exploring the Number Line
Construction of meanings for fraction as number-measure is studied during the implementation of exploratory tasks concerning comparison and ordering of fractions as well as operations with fractions. 12-year-old students were working collaboratively in groups of two with software that combines graphical and symbolic notation of fractions represented as points on the number line. Fractions as points and segments, ordering fractions as part of kinesthetic activities and abstracting the scaling of
Author(s): Psycharis Giorgos,Latsi Maria,Kynigos Chronis

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Flexibility in macro-scripts for computer-supported collaborative learning
In the field of computer-supported collaborative learning (CSCL), scripts are designed to support collaboration among distant learners or co-present learners whose interactions are (at least partially) mediated by a computer. The rationale of scripts is to structure collaborative learning processes in order to trigger group interactions that may be rare in free collaboration. Fixing the degree of coercion is a delicate design choice: too rigid scripts would spoil the richness of collaborative in
Author(s): Dillenbourg Pierre,Tchounikine Pierre

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Decentralized Service Deployment for Collaborative Environments
In this paper we present the design of a system which allows service deployment in a small-sized group of computers distributed through the Internet. These groups are formed by users who share a common interest, and voluntarily yield their own resources for the achievement of the collaborative activities of the group. Having enough resources contributed by the members of the group, our system guarantees service availability and the fact that the deployment and execution of the services is carrie
Author(s): Lazaro Iglesias Daniel,Marquès Joan Manuel,Jorba

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Mechanisms of common ground in case-based web-discussions in teacher education
Previous studies suggest that before the participants in Web-based conferencing can reach deeper level interaction and learning, they have to gain an adequate level of common ground in terms of shared mutual understanding, knowledge, beliefs, assumptions, and presuppositions (Clark & Schaefer, 1989; Dillenbourg, 1999). In this paper, the main purpose is to explore how participants establish and maintain common ground in order to reach deeper level interaction in case-based Web-discussions. The s
Author(s): Mäkitalo Kati,Häkkinen Päivi,Leinonen Piritta,J

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New Media and Open and Distance Learning: New challenges for Education in a Knowledge Society
The "digital society" provides not only with new technology, but also with new concepts. Information plays a central role and becomes a valuable good, but knowledge cannot be reduced to information, and one aim for educators is to contribute in a "knowledge society", not only an "information society". A knowledge society is structured in networks, enriching the traditional hierarchies; a knowledge society promotes a kind of "collective intelligence". In such a society, open and distance learning
Author(s): Cornu Bernard

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WWG: a Distributed Infrastructure for Learning in Groups
This paper describes the experiences of learning and working in groups on the Computer Science studies at Virtual Campus of the Open University of Catalunya. Two communities have used a web based shared workspace tool to a) coordinate the task of tutors of a computer architecture course, and b) a problem based collaborative learning project with software engineering students. These experiences have lead to the design of WWG: a distributed infrastructure for distance learning in groups at Interne
Author(s): Marquès Joan Manuel,Navarro Leandro,Daradoumis Th

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Extending the Scope of Asynchronous Collaboration: a Matter of Being Autonomous and Self-sufficient
Asynchronous collaborative applications and systems have to deal with complexities associated with interaction nature, idiosyncrasy of groups and technical and administrative issues. Inclusion of requirements derived from them is costly (in time, resources and economically). Existing solutions addresses asynchronous collaboration via simplification of requirements and by using centralized models. In this paper we present LaCOLLA, a fully decentralized infrastructure for building collaborative ap
Author(s): Marquès Joan Manuel,Navarro Leandro,Daradoumis Th

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A Model for the Efficient Representation and Management of Online Collaborative Learning Interaction
This study aims to explore the importance of the efficient representation and management of the event information generated from group activity in online collaborative learning practices so that we can use it to provide awareness about individual and group behaviour. The achievement of this goal first involves the design of a conceptual model of collaborative learning interaction that structures and classifies the information generated in an online collaborative learning situation at several lev
Author(s): Caballé Santi,Daradoumis Thanasis,Xhafa Fatos

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Supporting Effective and Useful Web-based Distance Learning
Learners interacting in a Web-based distance learning environment produce a variety of information elements during their participation; these information elements usually have a complex structure and semantics, which makes it rather difficult to find out the behavioral attitudes and profiles of the users involved. User modelling in on-line distance learning is an important research field focusing on two important aspects: describing and predicting students’ actions and intentions as well as ada
Author(s): Caballé Santi,Daradoumis Thanasis,Xhafa Fatos,Est

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Gridifying IBM's Generic Log Adapter to Speed-Up the Processing of Log Data
Problem determination in today's computing environments consumes between 30 and 70% of an organization’s IT resources and represents from one third to one half of their total cost of ownership. The first step to cutting down costs in this area and to enable autonomic computing systems is to have all parts of the system report status in a common log data format and semantics in order to be able to exploit the status information of the system as a whole. The Generic Log Adapter (GLA) is a generic
Author(s): Paniagua Claudi,Xhafa Fatos,Daradoumis Thanasis

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Exploring Semantic Description and Matching Technologies for Enhancing the Automatic Composition of
In the implementation of e-learning frameworks, a problem still unsolved is how to use and integrate low-level learning services to compose more complex high-level services or tools that make sense to both tutors and learners. In that sense semantic description of Grid learning Services appears like a powerful tool to be used for discovering and matching learning services depending of a set of parameters inside the learning framework. These parameters must represent significant functional charac
Author(s): Gutiérrez-Carreón Gustavo,Daradoumis Thanasis,Jo

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An Experimental Study on Peer Selection in a P2P Network over PlanetLab
Peer selection is an important aspect in many P2P applications requiring efficient assignment and execution of jobs to peer nodes and search and file transfer, among others. Due to increasing interest of using P2P systems for distributed computing, peer selection is taking relevance and several models have been proposed in the P2P literature. Yet, there are very few experimental studies for peer selection in P2P networks deployed in real large scale networks. In this work we present an experimen
Author(s): Xhafa Fatos,Barolli Leonard,Fernandez Raul,Daradou

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A Grid-Based Approach for Processing Group Activity Log Files
The information collected regarding group activity in a collaborative learning environment requires classifying, structuring and processing. The aim is to process this information in order to extract, reveal and provide students and tutors with valuable knowledge, awareness and feedback in order to successfully perform the collaborative learning activity. However, the large amount of information generated during online group activity may be timeconsuming to process and, hence, can hinder the rea
Author(s): Xhafa Fatos,Caballé Santi,Daradoumis Thanasis,Zho

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