Schema.org a11y prez at Accessing Higher Ground 2013
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Transcript of Schema.org a11y prez at Accessing Higher Ground 2013
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Discovering Accessible Educational Resources via Schema.org and LR Accessing Higher Ground 2013
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Food for Thought…
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Food for Thought…
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Food for Thought…
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Food for Thought…
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Food for Thought…
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Food for Thought…
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Food for Thought…
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Food for Thought…
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How it Works – Schema.org Schema.org metadata describes ‘things’ on the web as agreed upon by the major search engines to improve search & discoverability
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Recipe Metadata 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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Goal: Make it easier and more convenient to find learning resources that meet specific student and class needs.
Curriculum and Accessibility
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 15 http://209.7.195.215:90/Search.aspx
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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 Web Pages
<div itemscope=”” itemtype=”http://schema.org/Blog”>
<meta itemprop=”accessMode” content=”textual”/>
<meta itemprop=”accessMode” content=”visual”/>
<meta itemprop=”mediaFeature” content=”alternativeText”/>
<meta itemprop=”mediaFeature” content=”longDescription”/>
<meta itemprop=”mediaFeature” content=”displayTransformability”/>
BLOG CONTENT HERE
</div>
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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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Video Search Can Be Fixed
● Closed-captioned search limited to YouTube domain ● https://www.google.com/search?q=site:archive.org
+%22Dame+Tartine%22&tbm=vid&tbs=cc:1 ● Should also be extended to audio description
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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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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 – integration with Document Accessibility Profiles (DAP)
● Exploring use for accessible image registry
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Upcoming Filters for Free.Ed.Gov
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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