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myUI Ontology
myUI Ontology
myUI Ontology
myUI Ontology
myUI Ontology
myUI Ontology
myUI Ontology
myUI Ontology
myUI Ontology
myUI Ontology
myUI Ontology
myUI Ontology
myUI Ontology
myUI Ontology
myUI Ontology
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myUI Ontology

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Review meeting

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  • 1. MyUI Ontology Draft
    Andreas Schmidt, Heiko Haller
    FZI Research Center for Information Technologies Karlsruhe, Germany
    Review Meeting, Brussels, July 14, 2010
  • 2. Ontologiesandtheiruse
    Twoperspectives:
    sharedunderstandingof a domainofinterest(Uschold & Grüninger 1996)
    explicit specificationof a conceptualization(Gruber 1993)
    Ontology-centereddesign
    2
  • 3. Ontologies in myUI
    In myUI:
    describingpreferences, impairments etc. ofthe end user („user model“)
    describingcapabilitiesofdevices (withrespectto UI adaptation)
    describing environmental andothercontextualfactor
    Purpose
    enablerun-time adaptation
    guide design-time activities
    3
  • 4. Iterative Approach
    4
    Standards
    Wouldthisinformationchangethewaywewouldliketoadaptthe UI?
    adaptation
    requirements &
    strategies
    device UIdesign
    sensors
    SCENARIOS
    Whataredevicerequirements/constraints?
    Whatarewelikelyabletocapture?
    Standards
    Standards
  • 5. Startingpoint
    5
    reusing
  • 6. Ontology Overview: Preferences and Impairment
  • 7. Ontology: Hierarchy of Disabilities
  • 8. Hierarchy of Disabilities (Detail)
  • 9. Additional contextualfactorsidentified (smallsubset)
    9
  • 10. Disability Profiles
    Doris mobility impairment 0.8
    Doris right hand weakness 0.9
    Doris presbyopia 0.6
    Arthur mobility impairment 0.7
    Arthur manual impairment 0.4
    Arthur visual impairment 0.8
    Arthur myopia 0.5
    Thomas h.f. hearing impairment 0.8
    Thomas colour blindness 1.0
  • 11. Personal Preferences
    Doris preferred text angle 0.024*
    Doris preferred input device big-button remote
    Doris preferred volume 0.2
    Arthur preferred text angle 0.07*
    Arthur preferred input device voice
    Arthur preferred volume 0.7
    Thomas preferred input device keyboard
    Thomas preferred text angle 0.01*
    *) fraction of vertical visual angle (0.01 ≈ 28pt at a distance of 50cm).
  • 12. Interface Profiles
    Profile1 (default colour based visual with limited text scaling)
    max. visual impairment 0.4 (relies mainly on visual interaction)
    max. font size 80
    max. color blindness 0.2 (uses color as vital part of design)
    Profile2 (voice feedback)
    max. hearing impairment 0.3 (relies on audio feedback)
    max. anterograde amnesia 0.7 (AP needs to remember question)
    max. slow reactions 0.4 (AP needs to react sequentially)
    Profile3 (very large buttons)
    max. visual impairment 0.8 (compatible with very weak vision)
    max. font size 300 (huge letters)
    max. anterograde amnesia 0.9 (AP needs to remember context)
  • 13. Preliminary Interaction Scenario Doris
    Device encounters Doris at 50cm distance
    System checks device’s interaction profiles for compatibility with user disabilities and preferences
    System tells device to use the best fitting profile (no. 1) of the possible profiles (1,2,3)
    System tells device to set preferred text size to 67pt (0.024 at 50 cm)
    Device adapts accordingly
    […later…]
    Device detects Doris has moved to armchair at 250cm distance
    System re-calculates required font size to maintain text viewing angle (335pt).
    System checks device’s interaction profiles for compatibility with updated requirement (Profile1 cannot handle font sizes > 80pt).
    System tells device to use the best fitting profile (no. 2) of the possible profiles (no. 2,3)
    Device switches to audio output, adjusts the volume according to the ambient noise level
  • 14. Summary
    Iterative approachtoontologymodelingfollowingtheontology-centered design methodology
    First phase: „ontologyasmediatingartefact“
    (Second phase: ontology a formal specificationforautomation)
    Currentstatus: First iterationscompletedwith afirstdraftoftheontology
    Mainlyfocused on theuserprofileandimpairments
    Reusingthevocabularyfromthe SOPRANO/openAALontology
    Next steps
    closerinvestigationintoadaptivityrequirements
    14
  • 15. Questions?
    andreas.schmidt@fzi.de
    heiko.haller@fzi.de
  • 16. Existing OpenAALOntology

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