Journal of Digital Information (Texas Digital Library - TDL E-Journals)
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252 research outputs found
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The Philological Workstation BAMBI (Better Access to Manuscripts and Browsing of Images)
No full textThis paper presents the results of the European project LIB-3114 for Digital Libraries called BAMBI (Better Access to Manuscripts and Browsing of Images). The project has produced a hypermedia system allowing historians, and more particularly codicologists and philologists, to read manuscripts, transcribe manuscripts, write annotations, and navigate between the words of the transcription and the matching piece of image in the numerized picture of the manuscript. After an introduction on the objectives of the project and the related works, the second part is devoted to the description of the functions and the design of the Philological Workstation. The third part describes how the international standard HyTime (Hypermedia/Time-based Structured Language) has been used as a modelling language to describe works on manuscripts (description, transcription, annotations, links, ...). Finally, the architecture of the BAMBI workstation is presented
Memory Scalability in Constraint-Based Multimedia Style Sheet Systems
No full textMultimedia style sheet systems uniformly use a constraint-based model of layout. Constraints provide a uniform mechanism for all aspects of style managementand layout and are better-suited to non-textual media than flow models.
We have developed a prototype style sheet system, Proteus, and have used it with a variety of document types, including program source code. This work has exposed a critical performance problem in constraint-based style sheet runtime systems: memory usage. Existing constraint systems treat cached attribute values and constraints as first-class objects, each with its own storage. Program syntax trees are very large and the constraint data for a medium-sized source file can easily consume tens of megabytes of main memory. This scalability problem would be exposed by any document of any type containing thousands of objects.
We present here a new constraint-based runtime system that is substantially faster and dramatically more space-efficient than its predecessor, which had first-class constraint objects. The improved performance is the result of exploiting important common cases and a sophisticated constraint representation that allows considerable sharing of information between individual constraints
A Pragmatics of Links
No full textThis paper applies the linguistic theory of relevance to the study of the way links work, insisting on the lyrical quality of the link-interpreting activity. It is argued that such a pragmatic approach can help us understand hypertext readers´ behavior, and thus be useful for authors and tool-builders alike
A Child\u27s Game Confused
No full textHow can we write about hypertext in hypertext? There must be as many ways as there are writers. Many more ways than have yet been attempted.
This is a hypertextual essay about and around a cycle of poems by Juliet Ann Martin: oooxxxooo. It\u27s an interpretation of the poems, a reading. It\u27s also about playing with the medium and with writing. The essay speaks its own voice, linking almost only to itself, always beside the poems it speaks of. You may hear voices of theorists behind these words, but they are implicit, a background rather than names to be paraded. The essay is brief and impressionistic and is not meant to be analytically exhaustive.
Don\u27t worry about what order to read this in, or about reading all of it. You\u27ll find that the essay loops around itself, much as the poem it describes loops around its hub. When you\u27re tired of the looping, you\u27ve probably read enough. (For those of you who crave a measure: there are 28 nodes and about 2500 words here,)
Where the essay rubs backs with one of the poems, you\u27ll find a thumbnail of the poem mentioned. These are links between the works.
I suggest you start at the beginning and end where you please
Separation of Concerns: a Web Application Architecture Framework
No full textArchitecture frameworks have been extensively developed and described within the literature. These frameworks typically support and guide organisations during system planning, design, building, deployment and maintenance. Their main pupose is to provide clarity to the different modelling perspectives, abstractions, and domains of consideration within system development. In dpoing so they allow improved clarity with regard to the connections between the different models, and the selection of models tht are most likely to capture salient features of the system. In this paper we present an Architectural Framework which takes into account the specific characteristics of web systems. The framework is based around a two dimensional matrix. One dimension separates the concerns of different participants of the web system into perspectives. The second dimension classifies each perspective into development abstractions: structure (what), behaviour (how), location (where) and pattern. The framework is illustrated through examples from the development of a commercial web application
XML: One Input — Many Outputs: a response to Hillesund
No full textHillesund (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 \u27one input — many outputs\u27 ... 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
Moving into XML Functionality: The Combined Digital Dictionaries of Buddhism and East Asian Literary Terms
No full textA report on the new developments in the online Digital Dictionary of Buddhism and CJK-English Dictionary, focusing on their implementation in XML.The paper is in two parts:
1. Project Manager\u27s Report, by Charles Muller
2. Delivering CJK Dictionaries from Pure XML Sources: A Developer\u27s Perspective, by Michael Beddo
Towards Modular Access to Electronic Handbooks
No full textThe paper reports an ongoing project aimed at providing an exemplary architecture for an electronic dissemination environment for scientific handbooks. It focuses on a way of facilitating navigation through and access to electronic handbooks by using a WordNet-like concept hierarchy consisting of synsets (sets of synonyms) that are connected to each other and to external sources by semantic relations for navigational purposes
Building a Business Plan for DSpace, MIT Libraries\u27 Digital Institutional Repository
No full textThe paper presents an overview of the methodology and results of the MIT Libraries\u27 business plan development project for DSpace (http://www.dspace.org/), MIT\u27s digital institutional repository. The introductory section includes a description of DSpace, the objectives of the business plan project, and the current status of the DSpace project. The methodology section explains the process and tools with which the business plan was developed. The remainder of the paper describes the results of the business plan project, including the DSpace service definition, the cost model, potential funding sources, and future DSpace plans