Search (13 results, page 1 of 1)

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Abstract

In einer Feldstudie wurden 74 Personen über ihre Nutzungserfahrungen in bezug auf eine elektronische oder eine gedruckte Projektkurzdarstellung befragt. Es zeigte sich u.a., daß die elektronische Fassung im Vergleich zur gedruckten deutlich länger genutzt wurde, aber auch unsystematischer. Die jeweilige Medienvariante beeinflußte nur unwesentlich die Fähigkeit, die Inhalte richtig zu reproduzieren. Damit konnte die weit verbreitete These von der generell höheren Leistungsfähigkeit elektronischer Informationssysteme, insbes. Hypertext, nicht bestätigt werden. Empirische, medienvergleichende Studien dieser Art sind noch relativ selten und ihre Ergebnisse sind sehr uneinheitlich. Es werden abschließend einige methodische Schwierigkeiten solcher Studien diskutiert

Source

Mehrwert von Information - Professionalisierung der Informationsarbeit: Proceedings des 4. Internationalen Symposiums für Informationswissenschaft (ISI'94), Graz, 2.-4. November 1994. Hrsg.: W. Rauch u.a

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Abstract

It is accepted wisdom that documents should be represented in terms of their logical structure rather than their appearance. Nevertheless most of the popular document processing systems concentrate on appearance rather than structure, mainly because most users opt for a user interface that is interactive, simple and direct. Considers issues related to fonts and other appearance attributes within hypertext documents. Presents the relevant differences between hypertext systems and document preparation systems whose end product is paper Describes schemes for representing appearance through logical structure. The scheme aims to meet the extra needs of hypertext systems, and yet still to be simple enough to attract wide usage.

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Abstract

Current hypertext systems have been widely and effectively used on relatively small data volumes. Explores the potential of database technology for aiding the implementation of hypertext systems holding very large amounts of complex data. Databases meet many requirements of the hypermedium: persistent data management, large volumes, data modelling, multi-level architecture with abstractions and views, metadata integrated with operational data, short-term transaction processing and high-level end-user languages for searching and updating data. Describes a system implementing the storage, retrieval and recall of trails through hypertext comprising textual complex objects (to illustrate the potential for the use of data bases). Discusses weaknesses in current database systems for handling the complex modelling required

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Source

nfd Information - Wissenschaft und Praxis. 51(2000) H.6, S.379-386

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Abstract

Describes a user study where the popularity of each node in a hypertext dtabase was presented with the links leading to that node and where popularity was computed by counting the number of users who had previously visited the node. Users clearly incorporated popularity information in their decisions: compares their browsing patterns with a control group for whom the popularity information was not provided. One possible use of popularity can be offset the previously documented trait of users to over-select items near the top or bottom of a linear list. Documents that popularity information affects user behaviour, but ages not necessarily advocate its use

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Abstract

Describes Microcosm an open hypermedia system developed at the Univ. of Southampton. In Microcosm no information concerning links is held in documents; all link information is held in external linkbases which contain details about the source and destination anchors of the links. Microcosm is also composed of independent components which communicate by passing messages. As working in such an open environment reduces system response work is being carried out in to the use of Microcosm as a hypertext onto other delivery systems. As an intermediate stage HyTime based document structures which describe Microcosm hypertext, especially linkbases are currently being produced. A process which will convert a Microcosm dataset into this representation and then further translation programs to convert the representation to run on other hypermedia delivery systems is being defined

Source

Information services and use. 13(1993) no.2, S.111-119

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Abstract

Briefly describes the final status of the project, which investigated the application of SGML to the production of hypertext information systems

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Abstract

Introduces a generic layered architecture for hypermedia systems with 4 major interfaces which will allow information interchange and code reusability between applications. The architecture uses the MHEG proposal to provide the desired independence between hypermedia applications' conceptual models and storage strategies for hypermedia object. Discuss design problems of the topmost layer, using as an example the nested context hypermedia model. As a distributed environment may be necessary to meet real time requirements of hypermedia applications addresses issues concerning the design of a distributed system based on the proposed architecture

Source

Information services and use. 13(1993) no.2, S.131-139

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Abstract

Introduction to people familiar with the concepts and syntax of SGML to the functionality provided by the new ISO 10744 standard. HyTime: the Hypermedia and Time Based Structuring Language, in producing hypertext information systems

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Source

Information services and use. 13(1993) no.2, S.121-130

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Abstract

Electronic texts offer new ways to store, retrieve, update, and cross-link information. Hypermedia documents require new levels of organization and strict discipline from authors, editors, and managers. This book provides a step-by step guide to all aspects of hypermedia development, from strategic decision-making to editing formats and production methods

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Abstract

This paper suggests a standard format for creating hypermedia software. Teachers and students of literature have taken up the use of hypermedia technology enthusiastically and so we are rapidly arriving at a situation where a mushrooming of software for language and literature teaching will be faced. We will arrive much sooner at a situation where searching for an appropriate software would be as difficult as finding an appropriate article today. Technology is expected to optimise information to maximise knowledge: the confusion created by Gutenberg's invention is because duplication cannot be avoided. The suggested format is based on the major pillars of literary criticism - author centred, text centred and reader centred - and develops from the word to the work level. The findings have been demonstrated in the form of Technocriticism, a hypermedia program created on HyperCard