An introduction to a web system that automatically works out 'you may also be interested in.." style links, and performs semantic clustering on folksonomies.
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Joining the docs: Back to the Future with Taxonomy and the New Semantics
1. Joining the Docs:
Back to the Future with
‘Taxonomy and the New Semantics’
Russell Blakeborough
Director – Brightonart
boblists@brightonart.org
Creative TechnologyBrightonart The Guardian 09.11.2010
3. The Problem
• People searching for Music and not finding
Piano teachers
• Freetagging vocabularies
• Diverging folksonomies
Brightonart The Guardian 09.11.2010
4. Research
• 1. Collaborative Creation of Communal Hierarchical
Taxonomies in Social Tagging Systems
Paul Heymann and Hector Garcia-Molina
Computer Science Department, Stanford University
• 2. The Structure of Collaborative Tagging Systems
Scott A. Golder and Bernardo A. Huberman
Information Dynamics Lab, HP Labs
• 3. Clustering Tags in Enterprise and Web Folksonomies
Edwin Simpson
HP Labs
Brightonart The Guardian 09.11.2010
http://www.hpl.hp.com/techreports/2008/HPL-2008-18.pdf
5. Solution
• NCO
• Normalised Co-Occurrence
• Inference to semantic distance
• Actually co-interest
• Useful community-specific data
Brightonart The Guardian 09.11.2010
9. Sample Data
Brightonart The Guardian 09.11.2010
Term A Term B NCO
Driving Tai Chi 0
Tai Chi martial arts 0.04
National Standards Cycling Test cycling 0.23
10. Application
• School of Everything
– schoolofeverything.com
• Netsounds
– netsoundsproject.eu
Brightonart The Guardian 09.11.2010
11. School of Everything is a social
learning network that connects
people who can teach with
people who want to learn
Web 2.0 system with a strong, fast growing community.
• Driven by the community itself
• Google food – web presence
• Developing new technologies for web learning
http://schoolofeverything.comBrightonart The Guardian 09.11.2010
18. Tai Chi
• Showing members tagged as Tai Chi
• Also showing:
Brightonart The Guardian 09.11.2010
Tai chi lessons
tai chi classes
Tai Chi Teacher
Qigong
chi kung
Taiji
qi gong
kung fu
Tai Chi Chuan
Meditation
Taijiquan
martial arts
Tao Yin
Taoist Yoga
24. Languages in London
Showing members tagged as Languages near
London.
Also showing:
Brightonart The Guardian 09.11.2010
• French
• Italian
• spanish
• russian
• Chinese
• japanese
• English
• german language
Literature & Culture
• portuguese
25. Clustering
• Navigation
• Zoom in
• Popular subjects bubble up automatically as
the community’s interests change
• Like pulling a hierarchical vocabulary out of a
freetagging vocabulary: magic
Brightonart The Guardian 09.11.2010
26. School of Everything / Netsounds
• Collaborative project
• Peer to peer learning
• Data feed
• Taxonomy
Brightonart The Guardian 09.11.2010
36. The Future
• RDF SKOS
• Interaction with results from Open Calais
• Clustering
• Visualisation
• Linking in to established ontologies
Brightonart The Guardian 09.11.2010
37. Summary
• Drupal contrib. module: taxonomy_nco
• ‘you may also be interested in’
– related subjects / interests
• Clustering
– the big issues
• Community
Brightonart The Guardian 09.11.2010 http://drupal.org/project/taxonomy_nco