Ck 12 Wikimania 2008
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Transcript of Ck 12 Wikimania 2008
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teaching, learning & research resources
licensed for free use or re-purposing
“to break down the barriers – whether
legal, technical or cultural – between
different collections of open educational content”
- CCLearn
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Aggregated Index
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Centralized Repository
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Collaborative Collection
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Collaborative Wiki
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Syndication…?
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Auto Discovery…?
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Synchronization…?
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Federation…?
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Ideally…
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Collaborate
Syndicate
Customize
Contextualize
Synchronize
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flexbooks.ck12.org
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Technical Aspects
Extraction: Text & Media
Translation: Canonicalized Format
Synchronization: Bi-directional
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Licensing Policies
Content Discovery: Machine Readable
Compatibility: GnuFDL vs. CCbySA
$ vs NC
Compliance: Sharing-Alike
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Content Suitability
Categorized: Classified Taxonomies
Contextualized: Coherent
Readability: Pedagogical Outcomes
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DocBook
WikipediaWikiFamily
Wiki Syntax
Hardcopy PDF
FlexFeeds
HTML
Online Editor
(Mediawiki)
Transcribe
Convert to
Wiki Syntax
SAVE OnlineEditor
DocBookXlator
Harvest
USB Image
WikiImport
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Wikipedia Federation
• Technical Aspects
– Extraction: php.api
• Issues with Image Translations & Macros
– Translation: Wiki -> HTML -> DocBook
• Preferred: XHTML -> DocBook
– Synchronization: not yet
• Plan to leverage ATOM protocols
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Wikipedia Federation
• Licensing Policies
– Content Discovery: currently hardwired
• RDFa as proposed by CC
• ATOM protocols may be of help
– Compatibility: no silver bullet
• Separate repositories for incompatible licenses
– Compliance: Sharing-Alike
• Plan to leverage ATOM protocols
• Need API support to post modified contents
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Wikipedia Federation
• Content Suitability
– Categorized:
• MediaWiki’s `Categories` Feature
– Contextualized:
• Associated Standards Frameworks as ATOM Feeds
– Readability:
• Share Ratings , Reviews & Recommendation
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About CK-12 Foundation
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The Problem : Old Technology
The Issues
Weight
Monolithic Nature
Rigidity
Cost
Visual Distractions
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CA600 Mm
NYC250 Mm
Text Books
4 Billion
16 Billion 4 Billion
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Collaborative online environment
Free and open content
Aligned with curriculum guidelines
Customized for learning styles
CK12 VISION
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As simple as Email
Collaborate like Wiki
Flexible
TECHNOLOGY
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Customizable & Contextualized Content
across Federated Repositories
through Collaboration & Synchronization
that can be Flexibly Manifested