Semantic web, and accessibility
by
charles mccn
Table of contents
The Semantic Web
The Semantic Web??
Some Key Technologies:
Visions from 1994:
can be given semantics...
Metadata...
In Principio (of the Web)...
old technology: PICS
PICS is useful...
... but PICS is limited
RDF has (a bit) more power
In RDF we can...
Take some information...
...and add to it
Architecture
RDF+Schema layer
"Ontology" layer
What is Accessibility?
"Transform Gracefully"
Different input or output
Conversion of languages
PICS helps access...
More powerful: RDF
Re-render the RDF...
Or re-render the RDF...
Combining technologies
Text is difficult too...
EARL - accessible authoring support
EARL pictured
EARL - use case (authoring)
EARL - use case (publishing)
Thank You! Questions?