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XOW

XOW - XHTML Outlines and the W6 Vocabulary
- Classic Systems
  - Knowledge acquisition problem
  - Slow adoption
  - Relatively complex conceptually
  - Wide domain coverage
  - Complex implementation (limited application)
- Motivation : "Simple" Systems
  - e.g. OPML, XML-based structured data
  - Easy implementation
  - Rapid adoption
  - Simple conceptually
  - Narrow domain coverage
  - Simple implementation (limited application)

XOW

XOW - XHTML Outlines and the W6 Vocabulary
- XHTML Outlines
  - Where? Right here!
  - Simple Hierarchical Structures
  - Simple Conceptually
  - Familiar view
  - Convenient viewer (browser)
  - Easy to author in XHTML
  - Easy to style using CSS
  - Easy to make dynamic using Javascript
  - XSLT allows format alchemy

XOW

XOW - XHTML Outlines and the W6 Vocabulary
- W6
- http://purl.org/ibis/w6
- "Question Garland" OWL Ontology
  - W6 Facets
    - Who? ==> Agent
    - What? ==> Object
    - Why? ==> Cause
    - When? ==> Time
    - Where? ==> Location
    - How? ==> Process
  - Simple Conceptually
  - Easy to express in XHTML

XOW

XOW - XHTML Outlines and the W6 Vocabulary
- RDF from XOW
- Loops OK (URIs in link elements)
- bnodes OK? - maybe

XOW

XOW - XHTML Outlines and the W6 Vocabulary
- W6 and Friends

XOW

XOW - XHTML Outlines and the W6 Vocabulary
- --think
- we know the type of the thing at the end of the property
- facets - Indian whatsisname
- W6 Facets - disjoint
  - w6:who rdfs:range w6:Agent
  - w6:what rdfs:range w6:Object
  - w6:why rdfs:range w6:Cause
  - w6:when rdfs:range w6:Time
  - w6:where rdfs:range w6:Location
  - w6:how rdfs:range w6:Process

XOW

XOW - XHTML Outlines and the W6 Vocabulary
- RDQL

XOW

XOW - XHTML Outlines and the W6 Vocabulary
- Currently:
- HTML is available (XHTML)
- XML is available (XHTML)
- RDF is available (RDF/XML)
- Slides
- Bookmarks
- It's throwaway!
  - Simple mappings : XHTML <=> RDF
  - relatively easy to define
  - e.g. CSS @class = rdfs:Class
  - add new values to XHTML doc
  - tweak the XSLT
  - check the output!
- Easy enough to be domain/task-specific

XOW

XOW - XHTML Outlines and the W6 Vocabulary
- Does it work?
- Is it useful?
- Need more data!
- Is the overall approach useful?
- RDF to XHTML
- programming API?
- XSLT? Snail!

XOW

XOW - XHTML Outlines and the W6 Vocabulary
- blah blah
- SemText
  - What?
  - Why?
  - Where?
  - Danny Ayers
  - How?
  - 2004
- Simple Conceptually
- Easy to express in XHTML