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Joining the Docs: Back to the Future with
‘Taxonomy and the New Semantics’
Russell Blakeborough Director – Brightonart
Creative Technology Brightonart The Guardian 09.11.2010
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Introduction
• The problem
• Research
• Solution
• Application
• The future
Brightonart The Guardian 09.11.2010
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The Problem
• People searching for Music and not finding
Piano teachers
• Freetagging vocabularies
• Diverging folksonomies
Brightonart The Guardian 09.11.2010
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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
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Solution
• NCO
• Normalised Co-Occurrence
• Inference to semantic distance
• Actually co-interest
• Useful community-specific data
Brightonart The Guardian 09.11.2010
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NCO – intersection / union
Brightonart The Guardian 09.11.2010
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NCO – intersection / union
Brightonart The Guardian 09.11.2010
A B
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NCO – intersection / union
Brightonart The Guardian 09.11.2010
A B
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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
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Application
• School of Everything
– schoolofeverything.com
• Netsounds
– netsoundsproject.eu
Brightonart The Guardian 09.11.2010
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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.com Brightonart The Guardian 09.11.2010
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Brightonart The Guardian 09.11.2010
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Brightonart The Guardian 09.11.2010
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Brightonart The Guardian 09.11.2010
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Brightonart The Guardian 09.11.2010
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Relationships
Brightonart The Guardian 09.11.2010
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Relationships
Brightonart The Guardian 09.11.2010
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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
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RDF SKOS - scheme
<div xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-
ns#" xmlns:rdfs="http://www.w3.org/2000/01/rdf-schema#"
xmlns:skos="http://www.w3.org/2004/02/skos/core#">
<div about="http://schoolofeverything.com/subject/tai-
chi/all/teaching" typeof="skos:Concept">
<span property="skos:prefLabel" content="Tai Chi">
<span rel="skos:inScheme"
resource="http://schoolofeverything.com/subject">
<span property="skos:prefLabel" content="School of
Everything Subjects"></span>
Brightonart The Guardian 09.11.2010
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RDF SKOS - related
<span rel="skos:related"
resource="http://schoolofeverything.com/subjec
t/qigong/all/teaching">
<span property="skos:prefLabel"
content="Qigong"></span>
Brightonart The Guardian 09.11.2010
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Brightonart The Guardian 09.11.2010
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Brightonart The Guardian 09.11.2010
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London subjects cluster
Brightonart The Guardian 09.11.2010
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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
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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
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School of Everything / Netsounds
• Collaborative project
• Peer to peer learning
• Data feed
• Taxonomy
Brightonart The Guardian 09.11.2010
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http://netsoundsproject.eu/community/soe_network Brightonart The Guardian 09.11.2010
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Brightonart The Guardian 09.11.2010
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Brightonart The Guardian 09.11.2010
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Brightonart The Guardian 09.11.2010
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Brightonart The Guardian 09.11.2010
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Brightonart The Guardian 09.11.2010
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Brightonart The Guardian 09.11.2010
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Matchy Matchy
• Module: taxonomy_nco
• AKA ‘Matchy Matchy’
Brightonart The Guardian 09.11.2010
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http://drupal.org/project/taxonomy_nco Brightonart The Guardian 09.11.2010
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The Future
• RDF SKOS
• Interaction with results from Open Calais
• Clustering
• Visualisation
• Linking in to established ontologies
Brightonart The Guardian 09.11.2010
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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
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Brightonart The Guardian 09.11.2010
Creative Technology