Envisioning information
A classification of visual representations
Communications of the ACM
Programming pearls: little languages
Communications of the ACM
A constraint extension to scalable vector graphics
Proceedings of the 10th international conference on World Wide Web
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This paper describes work in progress at OxfordBrookes University. The aim of the project is to define ahigher-level diagram description language for the WorldWide Web, which captures the structure and the semanticsof a diagram and enables the generation of accessiblepresentations in different modalities such as speech, text,graphic, etc.This project, called Graphical Structure SemanticMarkup Languages (GraSSML), is decomposed into threelevels: presentation, structure and semantics. Each ofthese levels captures a specific aspect of a diagram.The language at the structure level (called "ZineML")uses SVG as the output renderer at the presentation level.The semantic level language is highly dependent on thetype of diagram considered and the field in which it isused. The paper outlines the relevant limitation of SVGand describes our approach which addresses some ofthese limitations and can allow web graphics to bewritten easily and made accessible.