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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