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Abstract

Introduces an implementation method for a complex-object modelling technique specifically for DGML documents and describes interface techniques tailored for text databases. Describes some of the concepts for a Structured Document Database Management System specifically designed for SGML documents. Presents a small survey of some current products to demonstrate the need for such a system

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Abstract

User problems with large information spaces multiply in complexity when we enter the digital domain. Virtual information environments can offer 3D representations, reconfigurations, and access to large databases that may overwhelm many users' abilities to filter and represent. As a result, user frequently experience disorienting in navigation large digital spaces to locate an duse information. To date, the research response has been predominantly based on the analysis of visual navigational aids that might support users' bottom-up processing of the spatial display. In the present paper, an emerging alternative is considered that places greater emphasis on the top-down application of semantic knowledge by the user gleaned from their experiences within the sociocognitive context of information production and consumption. A distinction between spatial and semantic cues is introduced, and existing empirical data are reviewed that highlight the differential reliance on spatial or semantic information as the domain expertise of the user increases. The conclusion is reached that interfaces for shaping information should be built on an increasing analysis of users' semantic processing

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Abstract

Proposes the artifact as theory perspective which drwas together models of scientific practice and design behaviour and in so doing, offers the view of any information technology system as a conjecture on the part of the design team of human and organizational requirements to be met. By adopting this perspective, information system design can be seen as an ill structured problem best tacked by user centred theories and methods. Outlines this perspective, emphasizing the need for convergence of views at the outset of design, and demonstrating the advantages it offers to both the theory and practice of technology design and the fields of information science

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Date

6. 2.1999 20:10:22