edupub 2013: schema.org lrmi and a11y for discovery
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Extending Schema.org to Improve Education Resource
Discovery & Accessibility
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What is Schema.org? A data structure to describe ‘things’ on the web agreed upon by the major search engines to improve search & discoverability
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Schema.org – Food for Thought
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Schema.org – Food for Thought
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Schema.org – Food for Thought
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Schema.org – Food for Thought
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Schema.org – Food for Thought
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Schema.org – Food for Thought
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Schema.org – Food for Thought
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Schema.org – Food for Thought
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Recipe Tagging Example
<div itemscope itemtype="http://schema.org/Recipe"> <div itemprop="nutrition” itemscope itemtype="http://schema.org/NutritionInformation"> Nutrition facts: <span itemprop="calories">240 calories</span>, </div> Ingredients: - <span itemprop="ingredients">3 or 4 ripe bananas, smashed</span> - <span itemprop="ingredients">1 egg</span>
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Learning Resources Metadata
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So, why do we need a standard?
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Goal: Make it easier and more convenient to find learning resources that meet specific student and class needs.
Curriculum Standards
Schema.org
Intersection of three opportunities
Resource Registries (Learning Registry)
LRMI
Why Now? Kinda’ Perfect Storm
from a representation by Brandt Redd, Gates Foundation
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The LRMI Proper-es v1 (lrmi.net/the-‐specifica-on)
General Terms (Schema.org): • -tle/name • URL • Descrip-on • Image • Topic • created (date) • Creator • Publisher • inLanguage • Mediatype • technologiesRequired • technologiesRecommended • Use RightsURL • is based on
Educa-onal Terms: • intendedEndUserRole • educa-onalUse • -meRequired • typicalAgeRange • interac-vityType • learningResourceType
Competency related: • educa-onalAlignment • Descrip-on • URL • Alignment Type • educa-onalFramework • targetDescrip-on • targetName • targetURL
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Page 17 http://209.7.195.215:90/Search.aspx
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Easy on… Easy off (& running)
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From Initiative to Consortium
Gates Foundation funded to International Consortium
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All about Shifting
Resource Institution
Media Adopted
Learning Learner Engagement Discovered
to to to to
Move from…
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What About Accessibility?
Addressing the needs of ALL Students
Discover Learning Resources based on disability needs and learner preferences
● Compatible with AT, WCAG guidelines
● Leverage MathML, tactile graphics and image descriptions
● Have closed-captioned video
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Leveraging Access For All ● Gates Foundation funded Benetech to develop a
Schema.org proposal for Accessibility Metadata that would be complementary to LRMI
● Benetech assembled a broad Working Group of experts – AEP (LRMI), APH, Dublin Core, EDItEUR (ONIX), Gooru
Learning, IMS Global, IDRC, NCAM, SRI (Learning Registry)
● Proposal submitted to Schema.org in April 2013 – Influenced heavily by IMS Global Access for All – Released under a Creative Commons BY-SA License
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Accessibility Properties
• auditory, textual, visual, colorDependent Access Mode
• alterna-veText, longdescrip-on, MathML, cap-on, transcript Media Feature
• hasAdapta-on, isAdapata-onOf Alterna-ves
• flashing, mo-onSimula-on, sound Access Hazard • displayTransformability, AccessAPI, controlFlexibility Others
http://a11ymetadata.org
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Application to Books Part 1
<span itemscope=”” itemtype=”http://schema.org/Book”>
<meta itemprop=”accessMode” content=”textual”/>
<meta itemprop=”accessMode” content=”visual”/>
<meta itemprop=”mediaFeature” content=”longDescription”/>
<meta itemprop=”mediaFeature” content=”structuralNavigation”/>
<meta itemprop=”mediaFeature” content=”MathML”/>
…
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Application to Books Part 2
<meta itemprop="hasAdaptation" content="https://www.bookshare.org/…&downloadFormat=DAISY_TEXT_ONLY"/>
<meta itemprop="hasAdaptation" content="https://www.bookshare.org/…&downloadFormat=BRF"/>
…
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Application to Books Part 3
<div class="adaptationLinks”>
<span itemscope itemtype="http://schema.org/Book">
<meta itemprop="isAdaptationOf" content="https://www.bookshare.org/browse/book/679044"/>
<meta itemprop="bookFormat" content="EBook"/>
<meta itemprop="accessMode" content="auditory"/>
<meta itemprop="mediaFeature" content="structuralNavigation"/>
<meta itemprop="encodingFormat" content="MP3"/>
<meta itemprop="encodingFormat" content="Audio"/>
<a itemprop="url" href="https://someurl">Audio</a>
</span>
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The End Result Search for “history” titles on Bookshare and filter by presence of image descriptions:
http://www.a11ymetadata.org/bookshare-tags-over-195000-titles-with-accessibility-metadata/
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Application to Video
<div itemscope=”” itemtype=”http://schema.org/Movie”>
<meta itemprop=”accessMode” content=”visual”/>
<meta itemprop=”accessMode” content=”auditory”/>
<meta itemprop=”mediaFeature” content=”audioDescription”/>
<meta itemprop=”mediaFeature” content=”captions”/>
YOUR VIDEO HTML CODE HERE
</div>
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Application to Images
<span itemscope=”” itemtype=”http://schema.org/ImageObject”>
<meta itemprop=”accessMode” content=”visual”/>
<meta itemprop=”accessMode” content=”tactile”/>
<meta itemprop=”accessMode” content=”auditory”/>
<meta itemprop=”mediafeature” content=”tactileGraphic”/>
<meta itemprop="mediafeature" content="braille"/>
<meta itemprop="learningResourceType" content="illustration" />
<meta itemprop="typicalAgeRange" content="15-16" />
IMAGE HTML MARKUP HERE
</span>
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Upcoming Filters for Free.Ed.Gov
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Adoption Status
● In active discussion with Schema.org reps
● Bookshare book detail pages are tagged
● Learning Registry integration with Free.Ed.gov – Bookshare and Khan Academy videos
● EPUB 3.0.1 support Schema.org metadata – which includes LRMI and soon accessibility properties
● In discussions with eBook publishers and distributors
● Exploring use for accessible image registry
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Resources and Contact Info
● http://schema.org ● http://lrmi.net ● http://a11ymetadata.org ● http://bornaccessible.org Gerardo Capiel, [email protected] @gcapiel Michael Jay, [email protected] @edReflector Project Twitter Hashtags:
#LRMI #a11ymetadata