© Copyright 2006 Texas Digital Library. All Rights Reserved.
Vol 3, No 1 (2002)
Articles
XML: One Input — Many Outputs: a response to Hillesund
Hillesund (2002) argues that XML does not and cannot fulfil the often touted benefit that it allows authors and publishers to create documents that can be effectively presented in a variety of formats; that the "doctrine of 'one input — many outputs' ... is basically wrong." This Letter defends the position that XML is an effective technology, in fact the most effective technology in widespread use, for producing multiple output formats from a single input document.
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Hypermedia and the Semantic Web: A Research Agenda
Until recently, the Semantic Web was little more than a name for the next-generation Web infrastructure as envisioned by its inventor, Tim Berners-Lee. With the introduction of XML and RDF, and new developments such as RDF Schema and DAML+OIL, the Semantic Web is rapidly taking shape. This paper gives an overview of the state-of-the-art in Semantic Web technology, the key relationships with traditional hypermedia research, and a comprehensive reference list to various sets of literature (hypertext, Web and Semantic Web). A research agenda describes the open research issues in the development of the Semantic Web from the perspective of hypermedia research.
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Enabling Dissemination of Meta Information in the Usenet Framework
The paper discusses a transparent and flexible way to disseminate meta information within the global conferencing system, Usenet news. Examples of such information are ratings for Usenet articles or information about the behavior of other users. In particular, the paper describes how the Usenet "overview'' mechanism was modified to disseminate meta information to off-the-shelf Usenet clients. Experiences with the modified overview mechanism are discussed by example of two fully working prototype implementations disseminating social navigation information and collaborative filtering ratings to Usenet clients.
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Many Outputs — Many Inputs: XML for Publishers and E-book Designers
This essay questions the XML doctrine of "one input — many outputs". In the area of publishing the doctrine says that from one book one can produce many formats and end-products. Supported by insights of linguistics and experiences of writers and editors, I shall claim this assertion to be basically wrong. By examining the main properties of XML I will further, in contrast to the doctrine, argue that XML and related technologies add to the complexity of publishing. New media, new formats and new genres will, powered by XML, lead publishers into a new and challenging state of "many outputs — many inputs".
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Map-Based Horizontal Navigation in Educational Hypertext
The paper discusses the problem of horizontal (non-hierarchical) navigation in modern educational courseware. It considers why horizontal links disappear, how to support horizontal navigation in modern hyper-courseware, and looks at our earlier attempts to provide horizontal navigation in Web-based electronic textbooks. Map-based navigation -- a new approach to support horizontal navigation in open corpus educational courseware -- which we are currently investigating, is presented. We describe the mechanism behind this approach, present a system, KnowledgeSea, that implements this approach, and provide some results from a classroom study of this system.
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