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Harnessing the Potential
Harnessing the Potential
Harnessing the Potential
Harnessing the Potential
Harnessing the Potential
Harnessing the Potential
Harnessing the Potential
Harnessing the Potential
Harnessing the Potential
Harnessing the Potential
Harnessing the Potential
Harnessing the Potential
Harnessing the Potential
Harnessing the Potential
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Harnessing the Potential

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Harnessing the Potential of Accessibility Standards and Responsive Web Design Practices to Achieve Learning Interoperability on the Level of the User Interface …

Harnessing the Potential of Accessibility Standards and Responsive Web Design Practices to Achieve Learning Interoperability on the Level of the User Interface

Presentation in ICWL 2013, Kenting, Taiwan

Published in: Technology, Design
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  • Open Knowledge Innitiative (OKI), CopperCore Service Integration (CCSI),Ontology Web Language for Web Services (OWL-S)
  • Transcript

    • 1. Harnessing the Potential of Accessibility Standards and Responsive Web Design Practices to Achieve Learning Interoperability on the Level of the User Interface Mohammad Al-Smadi, Vladimir Tomberg Image by courtesy of HuffPost Education Group
    • 2. Abilities of conforming to Learning Standards • Durability: no need for further redesigns or redevelopments even with new versions of the system • Scalability: can it grow from small to large? • Affordability: is it affordable? • Interoperability: are information and services sharable with other systems? • Reusability: can it be used within multiple contexts? • Manageability: is it manageable? • Accessibility: are the contents accessible and deliverable from anywhere and anytime?
    • 3. General Learning Interoperability Framework
    • 4. Lack of Interoperability at the UI Level (Presentation Interoperability) • Launching the learning content on the end-user devices causes different behaviors based on the such properties of the device and the web browser: • Width, height of the window, • Resizing state • Area of launching within the browser
    • 5. The first approach addressing mobile UI issues Separate desktop and mobile versions of a web site in the mobile browser
    • 6. Current Best Practices – Responsive Web Design (RWD) • Using together several well-known technologies like HTML, CSS, and JavaScript • The basic methods are: 1. Flexible images (CSS) 2. Media queries (JavaScript) 3. Fluid grids (JavaScript, CSS)
    • 7. From RWD to Adaptive Web Design • The “Mobile First” principle (Minimum Viable Product Strategy) • Progressive Enhancement versus Adaptive Degradation
    • 8. Concepts of interoperability on the UI level
    • 9. The Missing Part Accessible Rich Internet Applications (WAI-ARIA) 1.1 W3C First Public Working Draft 26 September 2013
    • 10. WAI ARIA Code Example <input type = "image" src = "thumbnail.gif" alt = "Effectiveness" role = "slider" aria-valuemin = "0" aria-valuemax = "100" aria-valuenow = "42" aria-valuetext = "42 percent" aria-labelledby = "effective">
    • 11. WAI ARIA Models and Semantics Keyboard Navigation Roles State & Properties Live Regions
    • 12. Advantages of using WAI ARIA • The basic principles of Universal Design are covered − content by default is available for the widest audience • Improved accessibility of learning content: all modern browsers and screen-reading devices already accessible today with WAI ARIA
    • 13. Extended Learning Interoperability Framework
    • 14. Advantages of the Framework 1. Establishing application domain semantics for common understanding 2. Consistent learning delivery through adaptive and flexible design of front-end, learning content, tools, and services 3. Additional layer of accessibility specifications enriched with semantics on the presentation level 4. Combining standard-conform technologies (WAI ARIA) with widely used best practices (RWD)

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