Table 6: Variables and the possible states of Bayesian network model designed.

VariableState

Private relationClose friend, friend, acquaintance, none
Work relationClose colleague, colleague, acquaintance, none
Contact relatedHigh, low
Emotion relatedHigh, low
Social activity
related
High, low
Work activity
related
High, low
Call frequencyMany, some, none
SMS frequencyMany, some, none
Call durationLong, short
EmotionPositive, negative
Common social activityMany, some, none
ProximityPProximate, WProximate, NotProximate
Common work activityMany, some, none
Common scheduleYes, no