Search (7 results, page 1 of 1)

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Abstract

Proposes a model for integrating hypermedia and expert systems and describes an implementation. The proposed model consists of an expert system with a hypermedia user interface module and hypermedia output explanation module. Describes implementation based on the proposed model, and expert system named the Tourist Hyper-Expert Consultant (THECO). The results showed that the proposed model and structure, which employ hypermedia features, can enhance the user interface and output explanation modules of expert systems. Incorporating hypermedia into the user interface module enhances the flexibility of the expert system application in acquiring inputs from the users. Hypermedia also improved the ability of the output explanation module to give more comprehensive recommendations

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Abstract

Das System HYPERQUERY ist ein Informationssystem, das Benutzern den Zugriff auf stark vernetzte multimediale Informationen erleichtern soll. Hierzu wurde ein Hypertext- bzw. Hypermediasystem um eine Anfragekomponente erweitert, die den gezielten Einstieg in eine objektorientierte Datenbasis erleichtert. Das System soll insbesondere Gelegenheitsbenutzern ermöglichen, Reiseinformationen abzurufen. Der Benutzerschnittstelle fällt dabei eine wichtige Rolle zu. Die Implementierungen zweier unterschiedlicher graphischer Benutzeroberflächen der Anfragekomponente werden vorgestellt und diskutiert

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Abstract

Reports on a continuing project to study children's use of a graphically-based direct manipulation interface for science materials. The Science Library Catalogue (SLC), a component of project SEED, has been implemented in the libraries of 21 elementary schools in Los Angeles and will soon be implemented in a public library. The interface employs a hierarchical structure drawn from the DDC and implemented in HyperCard on the Macintosh. The study on the 2nd version of the interface indicates that children are able to use the Science Library Catalogue unaided, with reasonable success in finding items. Search success on the same topics on a Boolean command driven system was equivalent, but Boolean searches were faster. However, the Boolean system was more sensitive to differences in age, with 12-year-olds having significantly better success rates than 10-year-olds; and to search topic, with one set of questions being much easier to search than the other. On average, children liked the 2 systems about the same; the Boolean system was more attractive to certain age and gender combinations, while the Science Library Catalogue was more consistently liked across groups. results are compared to prior studies on the Science Library Catalogue and other online catalogues

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Abstract

Hypertext for multi-media and full-text documents is rapidly developed on all fronts. For bibliographic information retrieval the applications are promising but pose several difficulties. Describes work conducted at the School of Library and Information Science at Univ. of Western Ontario the objective of which is to add the capability of a browsing search to an existing OPAC through the use of Windowed Hypertext Interface for Zippy Retrieval and Display (WHIZRD) software. Discusses the underlying retrieval capabilities of the system. Examines design problems and solutions and outlines future enhancements

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