ED-MEDIA 1999 Proceedings Book - Association for the ...

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allow a fast prototyping of the user interaction. This functional separation will allow to deploy and store part of the server applications near the user Web browser and tighten the bandwidth requirements. Figure 2 - The ParlEuNet system architecture The distinction between the entity object model and the flat data storage is twofold. First, it allows references to the EDUCASE database directly from projects and assignments. Secondly, through a set of CD-ROM backups will be possible to move part of the physical entities on the client side (in particular those elements which are too cumbersome to transfer or which are often used). In this way, users will be still able to modify elements referred to on the CD-ROM, but such a modification would imply that the data will be loaded from the remote data storage again until the next backup is burned and dispatched. Using the Uniform Resource Names (URN) technology will be possible to federate and independently manage these entities. A URN consists of a persistent URL with an extra level of indirection behind it. Federated URNs will allow for an arbitrary number of depositories with little or no interconnections or shared management. The URN resolution to a URL will be done automatically when necessary. The entity object model contains effectively a object relation model of various resources owned by pupils, teachers and managers, such documents, projects and assignments. To communicate such information structure between client and server applications a metadata strategy is needed. This should allow to serialize the data model and pass it fore and back between the Web server and the Web browser. At the JRC, it is under investigation the use of the new Web metadata technologies like the Extensible Markup Language (XML) and the Resource Description Framework (RDF) to fulfill this crucial task. 4. System prototyping A series of prototypes of the ParlEuNet system are under development at the JRC. These aim to provide a basic framework on which the final system will be built. The actual prototypes are implemented using Apache (version 1.2 or higher) as Web server running on a FreeBSD UNIX machine, PERL5 as programming language on the server side and HTML/Java/Javascript to provide the UI on the client side. The system has been tested using Netscape 3.0 and/or Netscape Communicator 4.0 as well as MS- IE 3.0-4.0. The Apache software has been customized to include a session module, a digital certification module and many others.
The prototype under development is available at the following address : https://pen.jrc.it 5. What to espect from the ParlEuNet A first prototype version of the system must be ready by January 1999. Based on the first prototype the final system will be defined and implemented. A variety of collaborative activities will be planned in the experimentation phase. ParlEuNet will experiment with pedagogical models that promote student-centred problem based learning aiming at the design of guidelines for working in telematics learning environments. Training workshops will be conducted to integrate the telematics learning environment into classroom practice, get feedback on content, the appropriateness of the media involved. Following the experimentation, the results will be analysed. In addition to educational publications, a practical guide will be produced to disseminate the results to other European schools to generalise the results from the pilot experiment. A hands-on workshop in the European Parliament will be organised for policymakers and Parliamentarians. Workshops will be organised on a national level by parents' associations as well as the distribution of a project video and major on-line hyperlinking with European educational projects. 6. References CEO Briefing Document, CEO/115/95, http://www.ceo.org/CEO_briefpap.html CEO Enabling Services, CEO/166/1995, CEOS , http://gds.esrin.esa.it:80/05EC3ADD/Cceos-about EWSE, http://ewse.ceo.org G7 Environment and Natural Resource Monitoring, http://ceo.gelos.org CEOS Information Locator System, http://cils.ceo.org ParlEuNet, http://parleunet.jrc.it WWW, http://www.w3.org HTTP, Berners-Lee, T., The Hypertext Transfer Protocol, World Wide Web Consortium, Work in Progress, http://www.w3.org/hypertext/WWW/Protocols/Overview.html Hypertext Transfer Protocol -- HTTP/1.0, Internet draft of the HTTP Working Group of the IETF, http://www.w4.org/pub/WWW/Protocols/HTTP1.0/draft-ietf-http-spec.html URL, Berners-Lee, T., Fielding, R. and Nielsen, H.F., Hypertext Transfer Protocol-HTTP/1.0, March 1995 IETF, http://www.ietf.org/ URNs, K. Sollins, L. Masinter, Functional Requirements for Uniform Resource Names, RFC 1737 EWSE Design Document, Clive Best, European Wide Service Exchange Design Document, CEO/125/95 Perl, Larry Wall and Randal L. Schwartz, Programming Perl, O'Reilly & Associates, Inc, ISBN 0-937175-64-1 Apache, David Robinson, Apache - An HTTP Server, Reference Manual, The Apache Group 1995, http://www.apache.org/
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Designing an Interactive Learning E
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develop an educationally meaningful
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2. Functionality of the BSCW System
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3. First empirical findings During
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of the users as participating actor
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2. Other Characteristics of the Pro
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education resources are being produ
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y using a drop-down menu: Informati
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Results Computing ability and expos
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instructional designs while introdu
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Global Educational Multimedia Serve
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Assured Access/Mobile Computing Ini
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The University has set up a secure
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* Changes in educational paradigms
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Using Computer Imagery and Visualis
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Publishing an imej Journal for Comp
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In summary, we offer the following
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Discussion Forums and Peer Review F
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Languages and Statistics: Solutions
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Kelly and Leckbee (1998) indicate,
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A Wide Array of Uses: Inquiry and I
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Effects of Question-Based Learning
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The EFFECTS of TRAINGING METHOD on
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3. RESEARCH METHODOLOGY A 10-day ex
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prototype for futuristic learning e
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Designing a Course Web-Site to Supp
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International Collaborative Learnin
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Facilitation frameworks Bostrom et
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From table 2 it can be seen that te
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Learning in Safety and Comfort: Tow
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Networking The Nation Noel Craske S
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Norfolk Stations. Schools of Distan
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one-on-one with Teaching Assistants
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Java. One of them is already an exp
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• Personal study room management
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As has already been discussed in th
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On-line Support of On-Campus Educat
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In-service Teachers Teaching Pre-se
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How the Construction & Analysis of
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Yet, still we ask ourselves: How do
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us, we need to be ever-conscious of
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A Reporting Simulation Using Toolbo
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environment — it is impossible to
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Actually, when a particular author
Page 89 and 90: Any instance of this type is an HC
Page 91 and 92: Figure 5: Saving an Educational App
Page 93 and 94: To address this problem Webfuse dra
Page 95 and 96: Cognitive tools can act as structur
Page 97 and 98: In this study, we propose the follo
Page 99 and 100: more information about it, for exam
Page 101 and 102: Charlottesville, VA., 691-696. Muly
Page 103 and 104: ownership is retained by the instit
Page 105 and 106: priority, it is in the interests of
Page 107 and 108: limitations of the prevailing compl
Page 109 and 110: exchange information with other cla
Page 111 and 112: whether compiled or interpreted. So
Page 113 and 114: A web site system for instructors t
Page 115 and 116: is to monitor the status of learner
Page 117 and 118: the capability grant G13 as Not Set
Page 119 and 120: Slavin R.(1994), Small group method
Page 121 and 122: tutor. Support offered in the form
Page 123 and 124: Apart from utilising the functional
Page 125 and 126: Rogoff, B., & Lave, J. (Ed.). (1984
Page 127 and 128: Java can significantly increase the
Page 129 and 130: The modules are designed for a vari
Page 131 and 132: adapted tests to assess the student
Page 133 and 134: Architecture of HEZINET The system
Page 135 and 136: Berners-Lee, T. & R. Cailliau, (198
Page 137 and 138: The ParlEuNet system will provide a
Page 139: 3. Students use a dedicated HTML co
Page 143 and 144: make an hypermedia educational envi
Page 145 and 146: accreditation or standing in countr
Page 147 and 148: A government designates a certain a
Page 149 and 150: will be involved - either in partne
Page 151 and 152: Streaming 7000 films... Uwe Sander
Page 153 and 154: and how to innovate will be paramou
Page 155 and 156: Toward a framework for instruction
Page 157 and 158: A knowledge integration approach to
Page 159 and 160: In 1978, the University formalized
Page 161 and 162: comparisons to conventional instruc
Page 163 and 164: Multimedia Cases in Teacher Educati
Page 165 and 166: Merseth, K.K. (1996). Cases and cas
Page 167 and 168: Using Multimedia to support mentors
Page 169 and 170: Conclusion The project is still und
Page 171 and 172: An Investigation into Faculty Attit
Page 173 and 174: Web-Based Testing in Distance Educa
Page 175 and 176: Selecting Internet Technologies to
Page 177 and 178: Designing and Implementing Web-Base
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