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Profiling Learners with Special Needs for Custom E-Learning Experiences, a Closed Case?

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Silvia Mirri

This document proposes a complete profiling approach for e-learners that combines learner profiles describing accessibility needs (ACCLIP) with device profiles describing technical capabilities (CC/PP). It presents two use cases where learner and device profiles are used to dynamically adapt e-learning content. The profiling approach has been implemented in a web-based learning system that can customize multimedia content based on learner needs and device capabilities.

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Profiling Learners with Special Needs for Custom E-Learning Experiences, a Closed Case? Paola Salomoni Silvia Mirri Stefano Ferretti Marco Roccetti Department of Computer Science Università di Bologna
Summary ,[object Object],[object Object],[object Object],[object Object],[object Object]
Introduction ,[object Object],[object Object],[object Object],[object Object],[object Object]
Introduction ,[object Object],[object Object],[object Object]
Complete Profile Learners Profiles Devices Profiles
Complete Profile ,[object Object],[object Object]
Profiling Devices ,[object Object],[object Object],[object Object]
Profiling Learners ,[object Object],[object Object],[object Object]
Complete Profile Complete Profile = ACCLIP U CC/PP browsers user agent software hardware CCPP Profile eligibility control content display IMS A CCLIP Profile
Our Approach ,[object Object],[object Object],[object Object]
Complete Profile browser user agent software hardware CC/PP Profile eligibility control content display IMS A CCLIP Profile Assistive Technologies Common Definitions
A wider view ,[object Object],[object Object]
A wider view
Use case 1 ... <accessForAll ... > … <display> <visualAlert> <visualAlertGeneric> <systemSounds value=&quot;captionBar&quot;/> <captions value=&quot;true&quot;/> </visualAlertGeneric> </visualAlert> </display> ... <control> <mouseEmulation> <mouseEmulationGeneric> <speed value=&quot;0.5&quot;/> <acceleration value=&quot;0.5&quot;/> <device value=&quot;keypad&quot;/> </mouseEmulationGeneric> </mouseEmulation> </control> </context> </accessForAll> ...
Use case 1 [sfa:AProfile] | +ccpp:component-> [sfa:TerminalHardware] | | | +-rdf:type->sfa:HardwarePlatform] | +--ex:displayWidth----> &quot;240&quot; | +--ex:displayHeight---> &quot;320&quot; | +--sfa:audio----------> “yes” | +--sfa:imagecapable---> “yes” | +--sfa:brailledisplay-> “no” | +--sfa:keyboard-------> “no” ...
Use case 1 ... +ccpp:component-> [sfa:TerminalSoftware] | | | +-rdf:type-> [sfa:SoftwarePlatform] | +-ccpp:defaults-> [sfa:SWDefaults] | +-sfa:name------> “Pocket PC” ... | +-sfa:tool-------->[ ] | | | | | ----------------- | | | | | +--rdf:type---->[rdf:Seq] | | +--rdf:_1------>“jaws6.20” ... | +-sfa:audio----------> [ ] | | | | | --------------------- | | | | | +--rdf:type---> [rdf:Bag] | | +--rdf:_1-----> “wav” | | +--rdf:_2-----> “mp3” | | +--rdf:_3-----> “mid” | | ...
Use case 1 ... | +-ccpp:component-> [sfa:TerminalBrowser] | +-rdf:type------> [sfa:BrowserUA] +-ccpp:defaults-> [sfa:UADefaults] +-sfa:name-->“Pocket Internet Explorer” +-sfa:version---> “4.1” +-sfa:javascriptversion-> [ ] ... +--sfa:CSS-------------> [ ] ... +--sfa:htmlsupported---> [ ] ... +--sfa:mimesupported---> [ ] ... +--sfa:language--------> [ ] ...
Use case 2 ... <accessForAll ...&quot;> … <display> <screenReader> <screenReaderGeneric> <link value=&quot;speakLink&quot;/> <link value=&quot;differentVoice&quot;/> <speechRate value=&quot;500&quot;/> <pitch value=&quot;0.8&quot;/> <volume value=&quot;0.5&quot;/> </screenReaderGeneric> </screenReader> <braille>…</braille> </display> <control> <keyboardEnhanced> … </keyboardEnhanced> <mouseEmulation>…</mouseEmulation> <voiceRecognition> … </voiceRecognition> </control> </context> </accessForAll> ...
Use case 2 [sfa:BProfile] | +-ccpp:component-> [sfa:TerminalHardware] | | | +-rdf:type-->[sfa:HardwarePlatform] | +-ex:displayWidth----> &quot;1024&quot; | +-ex:displayHeight---> &quot;768&quot; | +-sfa:audio----------> “yes” | +-sfa:imagecapable---> “yes” | +-sfa:brailledisplay-> “yes” | +-sfa:keyboard-------> “yes” ...
Use case 2 ... +-ccpp:component-> [sfa:TerminalSoftware] | | | +-rdf:type---> [sfa:SoftwarePlatform] | +-ccpp:defaults---> [sfa:SWDefaults] | +-sfa:name->“Windows XP Professional” ... | +-sfa:tool-------->[ ] | | | | | ----------------- | | | | | +--rdf:type---->[rdf:Seq] | | +--rdf:_1------>“jaws7.0” ... | +-sfa:audio------>[ ] ... | +-sfa:video------>[ ] ... | +--sfa:SMILplayer->[ ] ...
Use case 2 ... +-ccpp:component--> [sfa:TerminalBrowser] | +-rdf:type---------> [sfa:BrowserUA] +-ccpp:defaults----> [sfa:UADefaults] +--sfa:name------>“Internet Explorer” +--sfa:version---------> “6.0” +--sfa:javascriptversion-> [ ] ... +--sfa:CSS-------------> [ ] ... +--sfa:htmlsupported---> [ ] ... +--sfa:mimesupported---> [ ] ... +--sfa:language--------> [ ] ...
Conclusions ,[object Object],[object Object],[object Object]
Contacts ,[object Object],[object Object]

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Profiling Learners with Special Needs for Custom E-Learning Experiences, a Closed Case?

  • 1. Profiling Learners with Special Needs for Custom E-Learning Experiences, a Closed Case? Paola Salomoni Silvia Mirri Stefano Ferretti Marco Roccetti Department of Computer Science Università di Bologna
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  • 5. Complete Profile Learners Profiles Devices Profiles
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  • 9. Complete Profile Complete Profile = ACCLIP U CC/PP browsers user agent software hardware CCPP Profile eligibility control content display IMS A CCLIP Profile
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  • 11. Complete Profile browser user agent software hardware CC/PP Profile eligibility control content display IMS A CCLIP Profile Assistive Technologies Common Definitions
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  • 14. Use case 1 ... <accessForAll ... > … <display> <visualAlert> <visualAlertGeneric> <systemSounds value=&quot;captionBar&quot;/> <captions value=&quot;true&quot;/> </visualAlertGeneric> </visualAlert> </display> ... <control> <mouseEmulation> <mouseEmulationGeneric> <speed value=&quot;0.5&quot;/> <acceleration value=&quot;0.5&quot;/> <device value=&quot;keypad&quot;/> </mouseEmulationGeneric> </mouseEmulation> </control> </context> </accessForAll> ...
  • 15. Use case 1 [sfa:AProfile] | +ccpp:component-> [sfa:TerminalHardware] | | | +-rdf:type->sfa:HardwarePlatform] | +--ex:displayWidth----> &quot;240&quot; | +--ex:displayHeight---> &quot;320&quot; | +--sfa:audio----------> “yes” | +--sfa:imagecapable---> “yes” | +--sfa:brailledisplay-> “no” | +--sfa:keyboard-------> “no” ...
  • 16. Use case 1 ... +ccpp:component-> [sfa:TerminalSoftware] | | | +-rdf:type-> [sfa:SoftwarePlatform] | +-ccpp:defaults-> [sfa:SWDefaults] | +-sfa:name------> “Pocket PC” ... | +-sfa:tool-------->[ ] | | | | | ----------------- | | | | | +--rdf:type---->[rdf:Seq] | | +--rdf:_1------>“jaws6.20” ... | +-sfa:audio----------> [ ] | | | | | --------------------- | | | | | +--rdf:type---> [rdf:Bag] | | +--rdf:_1-----> “wav” | | +--rdf:_2-----> “mp3” | | +--rdf:_3-----> “mid” | | ...
  • 17. Use case 1 ... | +-ccpp:component-> [sfa:TerminalBrowser] | +-rdf:type------> [sfa:BrowserUA] +-ccpp:defaults-> [sfa:UADefaults] +-sfa:name-->“Pocket Internet Explorer” +-sfa:version---> “4.1” +-sfa:javascriptversion-> [ ] ... +--sfa:CSS-------------> [ ] ... +--sfa:htmlsupported---> [ ] ... +--sfa:mimesupported---> [ ] ... +--sfa:language--------> [ ] ...
  • 18. Use case 2 ... <accessForAll ...&quot;> … <display> <screenReader> <screenReaderGeneric> <link value=&quot;speakLink&quot;/> <link value=&quot;differentVoice&quot;/> <speechRate value=&quot;500&quot;/> <pitch value=&quot;0.8&quot;/> <volume value=&quot;0.5&quot;/> </screenReaderGeneric> </screenReader> <braille>…</braille> </display> <control> <keyboardEnhanced> … </keyboardEnhanced> <mouseEmulation>…</mouseEmulation> <voiceRecognition> … </voiceRecognition> </control> </context> </accessForAll> ...
  • 19. Use case 2 [sfa:BProfile] | +-ccpp:component-> [sfa:TerminalHardware] | | | +-rdf:type-->[sfa:HardwarePlatform] | +-ex:displayWidth----> &quot;1024&quot; | +-ex:displayHeight---> &quot;768&quot; | +-sfa:audio----------> “yes” | +-sfa:imagecapable---> “yes” | +-sfa:brailledisplay-> “yes” | +-sfa:keyboard-------> “yes” ...
  • 20. Use case 2 ... +-ccpp:component-> [sfa:TerminalSoftware] | | | +-rdf:type---> [sfa:SoftwarePlatform] | +-ccpp:defaults---> [sfa:SWDefaults] | +-sfa:name->“Windows XP Professional” ... | +-sfa:tool-------->[ ] | | | | | ----------------- | | | | | +--rdf:type---->[rdf:Seq] | | +--rdf:_1------>“jaws7.0” ... | +-sfa:audio------>[ ] ... | +-sfa:video------>[ ] ... | +--sfa:SMILplayer->[ ] ...
  • 21. Use case 2 ... +-ccpp:component--> [sfa:TerminalBrowser] | +-rdf:type---------> [sfa:BrowserUA] +-ccpp:defaults----> [sfa:UADefaults] +--sfa:name------>“Internet Explorer” +--sfa:version---------> “6.0” +--sfa:javascriptversion-> [ ] ... +--sfa:CSS-------------> [ ] ... +--sfa:htmlsupported---> [ ] ... +--sfa:mimesupported---> [ ] ... +--sfa:language--------> [ ] ...
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