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Towards a Generic Platform for Developing CSCL Applications Using Grid Infrastructure
The goal of this paper is to explore the possibility of using CSCL component-based software under a Grid infrastructure. The merge of these technologies represents an attractive, but probably quite laborious enterprise if we consider not only the benefits but also the barriers that we have to overcome. This work presents an attempt toward this direction by developing a generic platform of CSCL components and discussing the advantages that we could obtain if we adapted it to the Grid. We then pro
Author(s): Caballé Santi,Xhafa Fatos,Daradoumis Thanasis,Mar

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A Parallel Grid-based Implementation for Real Time Processing of Event Log Data in Collaborative App
Collaborative applications usually register user interaction in the form of semi-structured plain text event log data. Extracting and structuring this data is a prerequisite for later key processes such as the analysis of interactions, assessment of group activity, or the provision of awareness and feedback. Yet, in real situations of online collaborative activity the processing of log data is usually done offline since structuring event log data is, in general, a computationally costly process
Author(s): Paniagua Claudi,Xhafa Fatos,Caballé Santi,Daradou

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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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Improvement of JXTA protocols for supporting reliable distributed applications in P2P systems
In any distributed application, the communication between the distributed processes/nodes of the distributed systems is essential for both reliability and efficiency matters. In this work we address this issue for distributed applications based on JXTA protocols. After a careful examination of the current version of JXTA protocols, we observed the need for improving the original JXTA protocols, such as pipe services, to ensure reliable communication between peer nodes and the discovery and prese
Author(s): Xhafa Fatos,Fernandez Raul,Daradoumis Thanasis,Bar

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Adaptive and context-aware scenarios for technology-enhanced learning system based on a didactical t
Among the main issues of future technology-enhanced learning systems, we can mention the following ones: the ability to reuse learning resources (learning objects, tools and services) from large repositories, to take into account the context and to allow dynamic adaptation to different learners based on substantial advances in pedagogical theories and knowledge models. In our framework, the goal of scenarios is to describe the learning and tutoring activities to acquire some knowledge domain (fo
Author(s): Tetchueng Jean Louis,Garlatti Serge,Laubé Sylvain

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Normalising Geometrical Constructions: A Context for the Generation of Meanings for Ratio and Propor
This paper describes aspects of 13 year-olds’ activity in mathematics as emerged during the implementation of proportional geometric tasks in the classroom. Pupils were working in pairs using a piece of software specially designed for multiple representation (symbolic and graphical) of the variation in parametric procedures with dynamic manipulation of variable. In this paper we discuss children’s use of normalising, an activity in which children ‘correct’ the geometrical figures while devel
Author(s): Psycharis Giorgos,Kynigos Chronis

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Collaboration Activity Function: An interaction analysis’ tool for Computer Supported Collaborative
During the last years, an increased interest has been observed on tools analyzing collaborative interactions that could be useful for researchers, teachers, or even students. The paper presents such a tool, based on the formally defined collaborative activity function (CAF). The empirical evaluation of CAF is also presented. The evaluation is focused on teachers using CAF during and after sessions of synchronous collaborative problem solving among students.
Author(s): Fessakis George,Petrou Argyroula,Dimitracopoulou A

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An examination of two types of timeline, linear vs. staggered: a mixed method approach
This study conducted as follow-up study to evaluate effects of two different time-based interfaces, linear and staggered. This study also tries to reveal users’ preferences when they look for information in two different computer-based timeline. Explanatory mixed method design was implemented. In the first part, quantitative, there were 42 subjects. Results shows no significant difference between two types of computer-based time-line in terms of task completion time and answer accuracy. In the
Author(s): Kursun Engin,Cagiltay Kursat

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Towards educational data mining: Using data mining methods for automated chat analysis to understand
In this paper we investigate the application of data mining methods to provide learners with real-time adaptive feedback on the nature and patterns of their on-line communication while learning collaboratively.We derived two models for classifying chat messages using data mining techniques and tested these on an actual data set [16]. The reliability of the classification of chat messages is established by comparing the models performance to that of humans. Results indicate that the classificatio
Author(s): Anjewierden Anjo,Kolloffel Bas,Hulshof Casper

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Distance learning and foreign language teaching
Among numerous modes of technology enhanced learning there are not many that have received as much attention as distance learning. Stimulated by the recent rapid developments in Web technologies, researchers in both ICT and education are constantly working to make the most of technological resources and put them to the best pedagogical use. In the area of foreign language teaching a lot has been done to cover a variety of world languages, but there are constant attempts for new solutions, taking
Author(s): Trajanovic Miroslav,Domazet Dragan,Misic-Ilic Bilj

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I*teach methodology in school practice
One of the assumptions of secondary education is that students are to acquire numerous ICT-related skills. The computer has become an essential element of live, both at school and outside it. Using ICT tools students can structure their knowledge, prepare images, create banks of data and analyze it, write reports and other text documents. Electronic mail, discussion lists, forums and other online applications facilitate communication and cooperation. World Wide Web gives an easy access to immens
Author(s): Nikolova Nikolina,Miranowicz Malgorzata

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Ontology development for computersupported collaborative learning scripts
This paper presents an ongoing effort to develop an ontology for Computer-Supported Collaborative Learning (CSCL) Scripts. Our work merges the field of collaborative learning with the field of semantic web and provides a framework for the formalization of collaboration scripts using the OWL language. Collaboration scripts are didactic scenarios that prescribe learners’ interactions in collaborative settings. A script comprises a number of phases and each phase specifies the activity that learne
Author(s): Papakonstantinou Aliki,Demetriadis Stavros,Bassili

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Enabling Students to Construct Theories of Collaborative Inquiry and Reflective Learning: Computer S
To develop lifelong learning skills, we argue that students need to learn how to learn via inquiry and understand the sociocognitive and metacognitive processes that are involved. We illustrate how software could play a central role in enabling students to develop such expertise. Our hypothesis is that sociocognitive systems, such as those needed for collaborative inquiry and reflective learning, can best be understood as a community of interacting agents, who each have expertise in accomplishin
Author(s): White Barbara Y.,Shimoda Todd A.,Frederiksen John

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The LEAP Authoring Tool: Supporting complex courseware authoring through reuse, rapid prototyping, a
An important goal of current work in computer-based learning environments is to develop systems that combine the richness and effectiveness of an individually crafted intelligent tutoring system (ITS) with the generality and flexibility of a computer-assisted instruction (CAI) authoring tool. Our effort to achieve this goal is demonstrated in the Learn, Explore and Practice (LEAPsm) ITS shell and its courseware development component, The LEAP Authoring Tool (LAT). The LAT was developed for use b
Author(s): Sparks Randall,Dooley Scott,Meiskey Lori,Blumentha

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Using Case-Based Reasoning in Instructional Planning.Towards a Hybrid Self-improving Instructional P
This paper presents a new approach, based on the Case-Based Reasoning technique, which is useful to enhance Intelligent Tutoring Systems with learning abilities. Case-Based Reasoning is a recent paradigm for problem solving that has an inherent learning capability. So we integrate a Case-Based Instructional Planner within existing Intelligent Tutoring Systems (ITS) to enhance the pedagogical component with learning capabilities. In this way, the enhanced tutors combine the Case-Based Instruction
Author(s): Elorriaga Jon A.,Fernández-Castro Isabel

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Toward Computer-Based Support of Meta-Cognitive Skills: a Computational Framework to Coach Self-Expl
We present a computational framework designed to improve learning from examples by supporting self-explanation ö the process of clarifying and making more complete to oneself the solution of an example. The framework is innovative in two ways. First, it represents the first attempt to provide computer support to example studying instead of problem solving. Second, it explicitly coaches a domain-general, meta-cognitive skill that many studies in cognitive science have shown to greatly improve le
Author(s): Conati Cristina,VanLehn Kurt

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Verbal Coaching During a Real-time Task
TRANSoM is a collaborative effort among university and industry researchers aimed at producing an intelligent tutoring system for training pilots of remotely operated vehicles (ROVs). ROVs are unmanned, tethered, underwater vehicles used in a range of applications such as inspection, search and salvage, and mine countermeasures. Pilots have to learn to maneuver the ROV, keeping track of its tether and its surroundings, using little more than a video camera and sonar. To minimize workload while a
Author(s): Roberts Bruce,Pioch Nicholas,Ferguson William

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Verbal and Nonverbal communication in computer mediated settings
The paper discusses the verbal and nonverbal communication during a video-recorded meeting between two physically separate teams as part of a 9 month multi-site construction project. In the extract analysed here, the team which was video-recorded contained three members and the project coordinator, whereas the remote team contained a single individual. Communication between the two teams was by means of telephone and shared computer meeting system. The video-recorded team used nonverbal communic
Author(s): Rosenberg Duska,Sillince John A.A.

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Aspects of Speech Act Categorisation: Towards Generating Teachers' Language
In this paper we examine a possible method for classifying speech acts produced by human teachers, with a view of informing the designs of intelligent natural language tutors and of providing the basis for a formal analysis of the effects that teachers' language has on students' learning. We argue that traditional means as initiated by the Ordinary Language Philosophers such as Austin (1962), Grice (1975) and Searle (1979) are not sufficient to account for all types of linguistic phenomena occur
Author(s): Porayska-Pomsta Kaska,Mellish Chris,Pain Helen

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