Discovering Accessible Educational Resources via Schema.org and LR EDUPUB 2 http://tinyurl.com/schema-a11y-edupub
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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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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 accepted by Schema.org in November 2013 – Influenced heavily by IMS Global Access for All – Released under a Creative Commons BY-SA License
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Accepted 1.0 Properties
• alterna(veText, longdescrip(on, MathML, cap(ons, transcript, … AccessibilityFeature
• noFlashingHazard, mo(onSimula(on, noSoundHazard, … AccessibilityHazard
• AndroidAccessibility, ARIA, MacOSXAccessibility, ... AccessibilityAPI
• fullKeyboardControl, fullTouchControl, ... AccessibilityControl
http://Schema.org/CreativeWork
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Proposed 1.1 Properties
• auditory, textual, visual, colorDependent, … AccessMode
• URI/URL hasAdapta(on
• URI/URL isAdapta(onOf
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=”accessibilityFeature” content=”longDescription”/>
<meta itemprop=”accessibilityFeature” content=”structuralNavigation”/>
<meta itemprop=”accessibilityFeature” 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/DAISY3"/>
<meta itemprop="accessMode" content="auditory"/>
<meta itemprop="accessibilityFeature" content="structuralNavigation"/>
<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=”accessibilityFeature” content=”alternativeText”/>
<meta itemprop=”accessibilityFeature” content=”longDescription”/>
<meta itemprop=”accessibilityFeature” 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=”accessibilityFeature” content=”audioDescription”/>
<meta itemprop=”accessibilityFeature” 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=”accessibilityFeature” content=”tactileGraphic”/>
<meta itemprop="accessibilityFeature" content="braille"/>
<meta itemprop="learningResourceType" content="illustration" />
<meta itemprop="typicalAgeRange" content="15-16" />
IMAGE HTML MARKUP HERE
</span>
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Adoption Status ● Bookshare.org has implemented
● Learning Registry integration with Free.Ed.gov – Bookshare and Khan Academy videos
● EPUB 3.0.1 support Schema.org metadata
● Wordpress Plugin for Captions (YouTube Lyte)
● Exploring use for accessible image registry
● Need more funding for evangelism and tool development
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OERPUB Editor Integration
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Resources and Contact Info
● http://schema.org ● http://a11ymetadata.org Gerardo Capiel [email protected] Twitter: @gcapiel
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Links Referenced In Prez
● https://www.google.com/search?q=pecan+pie&tbm=rcp&tbs=rcp_cal:500
● http://www.google.com/webmasters/tools/richsnippets?q=http%3A%2F%2Fallrecipes.com%2Frecipe%2Fpecan-pie-v%2F
● http://www.google.com/cse?cx=001043429226464649088:WMX1711548652&q=science+more:p:book-typicalAgeRange:13+more:p:book-accessibilityfeature:alternativetext,longdescription
● https://www.google.com/search?q=dame+tartine+site:archive.org&tbm=vid&tbs=cc:1
● http://www.google.com/cse?cx=001043429226464649088:WMX1711548652&q=wgbh%20more%3Ap%3Avideoobject-accessibilityfeature:captions
● http://www.google.com/cse?cx=001043429226464649088:WMX1711548652&q=video%20description%20tutorial%20more%3Ap%3Avideoobject-accessibilityfeature:audiodescription
● http://www.google.com/cse?cx=001043429226464649088:WMX1711548652&q=ecology%20more%3Ap%3Aimageobject-accessibilityfeature%3AtactileGraphic
● http://www.thingiverse.com/thing:127089
● http://learningregistry.org/
● https://node01.public.learningregistry.net/apps/EasyPublish/#login
● http://free.ed.gov/?page_id=6&query=fittle%20fish&type=index
● http://www.a11ymetadata.org/implementations/learning-registry-search-demo/