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Ivan, Ion; Ciurea, Cristian; Pavel, Sorin – Journal of Applied Quantitative Methods, 2010
The collaborative system with finite number of states is defined. A very large database is structured. Operations on large databases are identified. Repetitive procedures for collaborative systems operations are derived. The efficiency of such procedures is analyzed. (Contains 6 tables, 5 footnotes and 3 figures.)
Descriptors: Foreign Countries, Cooperation, Databases, Efficiency
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Qu, Changtao; Nejdl, Wolfgang – Educational Technology & Society, 2004
Edutella is an RDF-based E-Learning P2P network that is aimed to accommodate heterogeneous learning resource metadata repositories in a P2P manner and further facilitate the exchange of metadata between these repositories based on RDF. Whereas Edutella provides RDF metadata repositories with a quite natural integration approach, XML metadata…
Descriptors: Metadata, Educational Resources, Models, Programming
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Byers, John A. – Educational Media International, 1999
Describes a software system that allows teachers and students in practically any subject to make interactive expert systems of quizzes on the Internet. Discusses the design of the system, including building a database of questions and answers; integrating text files of questions and answers with JavaScript-HTML pages; and the JavaScript and HTML…
Descriptors: Computer Assisted Testing, Computer Software Development, Computer System Design, Database Design
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Brase, Jan; Painter, Mark – Educational Technology & Society, 2004
Learning Objects Metadata (LOM) aims at describing educational resources in order to allow better reusability and retrieval. In this article we show how additional inference rules allows us to derive additional metadata from existing ones. Additionally, using these rules as integrity constraints helps us to define the constraints on LOM elements,…
Descriptors: Inferences, Metadata, Information Retrieval, Standards
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Omicini, Andrea; Zambonelli, Franco – Internet Research, 1998
Examines mobile agent coordination and presents TuCSoN, a coordination model for Internet applications based on mobile information agents that uses a tuple centre, a tuple space enhanced with the capability of programming its behavior in response to communication events. Discusses the effectiveness of the TuCSoN model in the contexts of Internet…
Descriptors: Business, Computer Mediated Communication, Computer Software Development, Database Design
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Chang, Naicheng – Program: Electronic Library and Information Systems, 2005
Purpose: To help to clarify the role of XML tools and standards in supporting transition and migration towards a fully XML-based environment for managing access to information. Design/methodology/approach: The Ching Digital Image Library, built on a three-tier architecture, is used as a source of examples to illustrate a number of methods of data…
Descriptors: Electronic Libraries, Visual Aids, Classification, Programming Languages