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Table 1 Scenarios illustrated by videos: possible display reactions in different contextual combinations (situations)

From: Trust-based Decision-making for the Adaptation of Public Displays in Changing Social Contexts

Proximity scenario (privacy issues)
User context Data context Social context Display reaction
User approaching a) Private data a) User alone a) Show user data automatically
(FF, MW, SMD) b) Neutral data b) User not alone b) Ask via mobile device
    c) Do nothing
User leaving a) Private data a) User alone a) Remove user data automatically
(FF, MW) b) Neutral data b) User not alone b) Ask via mobile device
    c) Do nothing
Spectator scenario (privacy issues)
User context Data context Social context Display reaction
User interacts a) Private data A person comes: a) Hide private data
alone. (FF, MW) b) Neutral data a) Friend b) Mask private data
   b) Acquaintance c) Ask via mobile device
   c) Stranger d) Do nothing
User logged in a) Private Data a) User alone a) Show data on public display
(TP) b) Neutral data b) User not alone b) Show data on mobile device
Space scenario (space conflicts)
User context Devices context Social context Display reaction
User A interacts a) Mobile available User B approaches a) Provide space for B,
with the display. b) not available the display: shrink data of A
(SMD)   a) B is female b) Provide space for B,
   b) B is male move data of A to mobile
    c) Do nothing. B will wait