Computer Human Interaction Conference, 1998. Proceedings. 1998 Australasian

Nov. 30 1998-Dec. 4 1998

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  • Proceedings 1998 Australasian Computer Human Interaction Conference. OzCHI'98 (Cat. No.98EX234)

    Publication Year: 1998
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    Freely Available from IEEE
  • Validating a 3D layout for memorable graphs

    Publication Year: 1998
    Request permission for commercial reuse | Click to expandAbstract |PDF file iconPDF (5 KB)

    Summary form only given. Describes a layout technique for relational graphs which is suited to large graphs, i.e. those with many nodes and edges. Unlike many existing layout techniques, the assumptions behind the aesthetic criteria chosen for the graph have been experimentally verified. This paper describes a series of experiments which attempts to determine the internal layout shape that is most... View full abstract»

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  • Towards intelligent search interfaces: visualising query results by relating meta-data to user-relevance

    Publication Year: 1998
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    Summary form only given. Our concern is to exploit user behaviour in the interaction between humans and computers. By doing this we expect to move towards adaptive human-computer interaction. The work reported addresses the coordinated use of user behaviours and meta-data generated during interactive computer-mediated information searches. The context used to develop this idea is that of searching... View full abstract»

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  • Author index

    Publication Year: 1998, Page(s):349 - 350
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    Freely Available from IEEE
  • Supporting cognitive work analysis with the Work Domain Analysis Workbench (WDAW)

    Publication Year: 1998, Page(s):260 - 267
    Cited by:  Papers (3)
    Request permission for commercial reuse | Click to expandAbstract |PDF file iconPDF (104 KB)

    Conceptual development in a new area of investigation can be slowed by the absence of appropriate instruments, or speeded by their presence. In this paper we argue that supporting software tools are needed if cognitive work analysis (CWA) is to come a viable approach to the design of interactive systems and interfaces. We present work in progress on the Work Domain Analysis Workbench (WDAW) and di... View full abstract»

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  • Variables which affect the ability to cope with changes in IT

    Publication Year: 1998, Page(s):300 - 301
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    A survey was carried out in five companies in Norway. The results indicated that age, computer anxiety and locus of control have significant effect on the employees' ability to cope with IT changes, but these variables only explain 3% to 5% of the variation in coping. When the quality of IT and training and the amount of involvement were included, the variables explained 11% to 19% of the variatio... View full abstract»

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  • The effects of graph layout

    Publication Year: 1998, Page(s):80 - 86
    Cited by:  Papers (2)  |  Patents (1)
    Request permission for commercial reuse | Click to expandAbstract |PDF file iconPDF (96 KB)

    Information visualisation systems which generate diagrams representing discrete relational information must consider potential users if they are to be effective. Many algorithms which render an abstract graph structure as a diagram are valued for their conformance to aesthetic criteria, or for computational efficiency. They are not usually judged on their ability to produce diagrams that maximise ... View full abstract»

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  • Multimedia evaluation: lessons from learners

    Publication Year: 1998
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    In order to make progress towards developing a taxonomy for the evaluation of interactive multimedia systems, it was decided to investigate what could be learned from the experiences of postgraduate students who were studying a paper on HCI. They were required to build educational multimedia systems and then to evaluate those produced by their colleagues. This experience, together with lectures an... View full abstract»

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  • Cognitive work analysis for training system design

    Publication Year: 1998, Page(s):252 - 259
    Cited by:  Papers (3)
    Request permission for commercial reuse | Click to expandAbstract |PDF file iconPDF (64 KB)

    Training needs analysis is critical to the orderly development of training systems and the procurement of simulators for training. The standard methods of Instructional System Development have been neglected in part because they fail to take full account of cognitive skills and because the extensive detail generated by these methods has made it onerous to manipulate the knowledge representation. A... View full abstract»

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  • Interactive visualisation of similarity structures

    Publication Year: 1998, Page(s):292 - 299
    Request permission for commercial reuse | Click to expandAbstract |PDF file iconPDF (236 KB)

    In many operational contexts, data visualisation techniques are used to convey accurate and easily comprehended information to human analysts. One popular approach is to represent domains of interest in terms of the objects they contain and measures of the similarity between them. Spatial data visualisations can then be generated which place objects so that those which are more similar lie nearer ... View full abstract»

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  • Principles for a usability-oriented pattern language

    Publication Year: 1998, Page(s):132 - 139
    Cited by:  Papers (8)
    Request permission for commercial reuse | Click to expandAbstract |PDF file iconPDF (56 KB)

    High level usability principles (e.g. “familiarity”) are difficult to apply to specific projects, and style guides providing more detailed instructions are often misinterpreted and inaccessible. An approach to usability based on design patterns enables designers to learn how certain recurring problems can be solved according to high level principles. The paper summarises a review of th... View full abstract»

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  • Authoring communicating agents in virtual environments

    Publication Year: 1998, Page(s):22 - 29
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract |PDF file iconPDF (872 KB)

    3D-graphics popularity has steadily increased in a number of areas such as entertainment, scientific visualization, simulation, and virtual reality. Despite this rapid growth the authoring of animated 3D objects in virtual environments is still by no means trivial. This article presents new concepts of the animated 3D programming language SAM (Solid Agents in Motion) and its programming environmen... View full abstract»

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  • Signposts, footprints and maps

    Publication Year: 1998
    Request permission for commercial reuse | Click to expandAbstract |PDF file iconPDF (8 KB)

    The purpose of this paper is to demonstrate the authors work in the area of discovering what constitutes an effective visual cue in Web screen design. The screen designer should provide for user orientation and ease of navigation within the network of hyper-linked information which constitutes the Web-based computer assisted learning environment. Screen design, for the purpose of the study, is def... View full abstract»

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  • Visual recognition of windows: effects of size variation and presentation styles

    Publication Year: 1998, Page(s):72 - 79
    Cited by:  Patents (1)
    Request permission for commercial reuse | Click to expandAbstract |PDF file iconPDF (148 KB)

    One of the problems of windowing systems today is that the desktop quickly becomes cluttered with the number of windows in use. This can hinder the user during task performance. Users become overwhelmed and disorientated by the number of windows. They quickly lose track of documents and spend much of their time locating the document by manipulating the windowing environment rather than working on ... View full abstract»

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  • Meeting customer needs using participatory techniques

    Publication Year: 1998
    Request permission for commercial reuse | Click to expandAbstract |PDF file iconPDF (8 KB)

    I have used participatory design techniques on a number of projects, including the design of a GUI for a group meeting support system and the design of a multimodal information management tool. This technique has been used to scope functionality, produce a project plan, design the system, create and usability-test the user documentation, and facilitate best-practice principles in code review and s... View full abstract»

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  • Towards an approach for novel design

    Publication Year: 1998, Page(s):186 - 191
    Request permission for commercial reuse | Click to expandAbstract |PDF file iconPDF (40 KB)

    We contrast the design of traditional technology with the design of new technology. Gathering from our experience, we argue that traditional HCI design techniques are not directly applicable to the design of new technology. We review some of these techniques and show how they should be adapted to be used in the context of novel design. As part of this discussion, we show that user input in the pro... View full abstract»

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  • Towards a dynamic model of adaptation to technological change

    Publication Year: 1998, Page(s):244 - 251
    Cited by:  Papers (4)
    Request permission for commercial reuse | Click to expandAbstract |PDF file iconPDF (124 KB)

    The authors examine an approach to predictively modelling the impact of technological change on work practice. Taking a cognitive engineering perspective, an approach is discussed within which one can analyse a work domain and various stakeholder perspectives and then use this as a `field' upon which to trace the impact of design changes. While building upon cognitive work analysis, the authors al... View full abstract»

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  • Psychophysical aging and human computer interface design

    Publication Year: 1998, Page(s):281 - 291
    Cited by:  Papers (6)
    Request permission for commercial reuse | Click to expandAbstract |PDF file iconPDF (408 KB)

    This paper aims to provide an introduction for HCI researchers to findings on physical aging relevant to interface design. The paper begins with a brief examination of the relevance of studying physical aging in relation to design issues. The paper then examines some of the caveats which need to be considered in examining the evidence on aging. It reviews evidence, mainly from the psychological li... View full abstract»

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  • A speech training tool for people with motor speech impairment

    Publication Year: 1998
    Request permission for commercial reuse | Click to expandAbstract |PDF file iconPDF (144 KB)

    This prototype is a multimedia system for use by speech therapists to assist in the rehabilitation of motor-impaired patients. These may be stroke victims who have to re-learn the ability to communicate effectively. The process is laborious and usually conducted in a one-to-one situation where the interaction between the therapist and the client depends on visual and audio cues. Instead of the usu... View full abstract»

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  • Information portrayal design: applying the proximity-compatibility principle

    Publication Year: 1998, Page(s):130 - 131
    Request permission for commercial reuse | Click to expandAbstract |PDF file iconPDF (8 KB)

    The paper briefly reports on the process and design rationale for re-designing the representation of an existing emergency ambulance dispatch management status screen. The re-engineered screen was then subject to experimentation under four different categories of dispatch task difficulty. The results indicated that under the more difficult conditions, dispatch performance on the new screen improve... View full abstract»

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  • Exploiting the statechart in interactive learning systems authoring

    Publication Year: 1998
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    A visual formalism, namely the statechart (Harel, 1987) is proposed as a specification tool, and for the interface of a generic authoring system for learning to use interactive devices. The statechart is employed as a unified abstraction of both the device model and the tutor-student dialogue model to improve the authoring process View full abstract»

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  • Supporting 3D warping visual feedback for virtual reality

    Publication Year: 1998, Page(s):14 - 21
    Request permission for commercial reuse | Click to expandAbstract |PDF file iconPDF (476 KB)

    Cartoon animation techniques have previously been used to enhance the illusion of direct manipulation in 2D graphical user interfaces. In particular, animation can convey a feeling of substance in the objects being manipulated by the user. The paper presents the expansion of this concept to 3D graphical objects manipulated in a virtual reality domain. Three effects using 3D warping are presented t... View full abstract»

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  • Teamwork constructs in architectural design

    Publication Year: 1998, Page(s):45 - 52
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract |PDF file iconPDF (80 KB)

    Architectural design is fundamentally collaborative in nature due to the large number and diversity of participants that are involved in most design projects. Using architectural design as the domain of interest, the paper motivates the need for articulating concepts at an appropriate degree of detail for developing future CSCW systems. The paper draws upon the studies of the architectural practic... View full abstract»

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  • Human performance modelling in tactical environments

    Publication Year: 1998
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract |PDF file iconPDF (24 KB)

    Current military command and control systems, and future systems in particular an Australian Airborne Early Warning and Control (AEW&C) aircraft, require the human operator to process a large volume of information at very rapid rates. These systems can impose extensive mental workload and task coordination requirements in a variety of ways, such as: the need for rapid and accurate manual perfo... View full abstract»

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  • Aesthetic measures for screen design

    Publication Year: 1998, Page(s):64 - 71
    Cited by:  Papers (3)
    Request permission for commercial reuse | Click to expandAbstract |PDF file iconPDF (1328 KB)

    One way to enhance the usability of a computer system is to improve the appearance (beauty) of the user interface. The research reported here concerns making computers easier to learn and use by improving interface aesthetics through the use of aesthetic measures for evaluating screen layouts. We introduce five aesthetic measures: balance, equilibrium, symmetry, sequence, and order and complexity.... View full abstract»

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