Ck 12 Wikimania 2008

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

Aggregated Index

Centralized Repository

Collaborative Collection

Collaborative Wiki

Syndication…?

Auto Discovery…?

Synchronization…?

Federation…?

Ideally…

Collaborate

Syndicate

Customize

Contextualize

Synchronize

flexbooks.ck12.org

Technical Aspects

Extraction: Text & Media

Translation: Canonicalized Format

Synchronization: Bi-directional

Licensing Policies

Content Discovery: Machine Readable

Compatibility: GnuFDL vs. CCbySA

$ vs NC

Compliance: Sharing-Alike

Content Suitability

Categorized: Classified Taxonomies

Contextualized: Coherent

Readability: Pedagogical Outcomes

DocBook

WikipediaWikiFamily

Wiki Syntax

Hardcopy PDF

FlexFeeds

HTML

Online Editor

(Mediawiki)

Transcribe

Convert to

Wiki Syntax

SAVE OnlineEditor

DocBookXlator

Harvest

USB Image

WikiImport

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

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

Wikipedia Federation

• Content Suitability

– Categorized:

• MediaWiki’s `Categories` Feature

– Contextualized:

• Associated Standards Frameworks as ATOM Feeds

– Readability:

• Share Ratings , Reviews & Recommendation

About CK-12 Foundation

The Problem : Old Technology

The Issues

Weight

Monolithic Nature

Rigidity

Cost

Visual Distractions

CA600 Mm

NYC250 Mm

Text Books

4 Billion

16 Billion 4 Billion

Collaborative online environment

Free and open content

Aligned with curriculum guidelines

Customized for learning styles

CK12 VISION

As simple as Email

Collaborate like Wiki

Flexible

TECHNOLOGY

www.ck12.org

Thank You

community@ck12.org

Customizable & Contextualized Content

across Federated Repositories

through Collaboration & Synchronization

that can be Flexibly Manifested