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Tam, Gary K. L.; Lau, Rynson W. H.; Zhao, Jianmin – International Journal of Distance Education Technologies, 2009
Due to the popularity of 3D graphics in animation and games, usage of 3D geometry deformable models increases dramatically. Despite their growing importance, these models are difficult and time consuming to build. A distance learning system for the construction of these models could greatly facilitate students to learn and practice at different…
Descriptors: Distance Education, Search Engines, Geometry, Internet

Vassilakopoulos, Michael; Manolopoulos, Yannis – Information Systems, 1995
Presents an improved inverted region quadtree variation called Dynamic Inverted Quadtree that is able to support and index a pictorial database. Pattern-searching algorithms are described, and the space needs of Fully Inverted and Dynamic Inverted Quadtrees are analytically compared based on a model of image randomness expressed as a branching…
Descriptors: Algorithms, Branching, Comparative Analysis, Computer System Design

Dunlop, Mark D.; van Rijsbergen, C. J. – Information Processing and Management, 1993
Discusses access to nontextual documents in large multimedia document bases. A hybrid information retrieval model, using queries in a hypertext environment for location of browsing areas, is presented; and two experiments using cluster-based descriptions of content are reported. (23 references) (EA)
Descriptors: Computer System Design, Graphs, Hypermedia, Indexing

Arents, Hans C.; Bogaerts, Walter F. L. – Information Processing and Management, 1993
Discusses and examines two approaches to concept-based retrieval of hypermedia information that improve a user's ability to navigate large systems--term indexing with semantically coupled thesauri and semantic hyperindexing. Visualization of index structures is discussed, and an example, the Cube of Contents retrieval model for the "Active…
Descriptors: Computer System Design, Hypermedia, Indexing, Information Retrieval

Aboud, M.; And Others – Information Processing and Management, 1993
Presents an information systems navigation approach using a combination of functionalities encountered in classification processes, Hypertext systems, and information retrieval systems. The first version of the SYRIUS system is described, with emphasis on the user's graphic interface which integrates these functionalities. (26 references) (EA)
Descriptors: Classification, Computer Graphics, Computer System Design, Hypermedia

Rosman, G.; And Others – Journal of Information Science, 1996
Presents costs and benefits of document information systems as well as a design methodology. Highlights include the method of working, method of modelling, multiple data types, access structure and indexing, and a case study of the implementation of a document information system in the Netherlands. (Author/LRW)
Descriptors: Access to Information, Case Studies, Computer System Design, Cost Effectiveness

Fernandez-Manjon, Baltasar; Fernandez-Valmayor, Alfredo; Fernandez-Chamizo, Carmen – British Journal of Educational Technology, 1998
Describes Aran, a knowledge-based system designed to help users deal with problems related to Unix operation. Highlights include adaptation to the individual user; user modeling knowledge; stereotypes; content of the individual user model; instantiation, acquisition, and maintenance of the individual model; dynamic acquisition of objective and…
Descriptors: Computer Interfaces, Computer System Design, Expert Systems, Indexing
Abel, Marie-Helene; Benayache, Ahcene; Lenne, Dominique; Moulin, Claude; Barry, Catherine; Chaput, Brigitte – Educational Technology & Society, 2004
E-learning leads to evolutions in the way of designing a course. Diffused through the web, the course content cannot be the direct transcription of a face to face course content. A course can be seen as an organization in which different actors are involved. These actors produce documents, information and knowledge that they often share. We…
Descriptors: Course Content, Internet, College Instruction, Models