Systems, methods and computer program products are disclosed for facilitating the collection of activity data, organizational hierarchy data and distribution list data within a private computer network (especially an intranet) while complying with applicable privacy laws and regulations, as well as individual organizations' business rules addressing intranet users' privacy to display a social graph of organization members related to a requesting organization member. Such systems, methods and computer program products allow for the collecting of such data passively without a need for active participation from the requester. A computer-implemented process for displaying a social graph further comprises calculating sub-scores for each of activity data, organizational data and distribution list data and calculating a total score for each related organization member and displaying the social graph comprising those organization members whose score exceeds a predetermined value as related to the requester.