1. Reality Mining Capturing Detailed Data on Human Networks and Mapping the Organizational Cognitive Infrastructure Nathan Eagle Digital Anthropology The MIT Media Lab February 21, 2003

2. From User to Group-Centric To unobtrusively glean a detailed map of an organization’s cognitive infrastructure Who influences results? Who is helping whom? Who are the gatekeepers? Which people work well together? Where is the expert? Who knows what? Who should connect with whom? How will communication change after the merger? What is the optimum organizational structure?

6. Physical to Cognitive Infrastructure 20 th Century Organization 21 st Century Organization Physical Infrastructure Cognitive Infrastructure flexibility, adaptation, robustness, speed – guided and tied together by ideas, by their knowledge of themselves, and by what they do and can accomplish slowly changing environment – development of infrastructures to carry out well described processes.

9. Why F2F Networks? Allen, T., Architecture and Communication Among Product Development Engineers . 1997, Sloan School of Management, MIT: Cambridge, p 33.

16. Allen’s Studies in the 20 th Century [AH87] [A97] [A97] [A84]

17. Future Organizational Studies? ?

19. Social Network Mapping - 802.11b Access Point Check - Waveform Segment Correlation High Energy Low Energy Exact Matches First-Order Proximity Second Order Proximity

20. Social Network Mapping Pairwise Conversation - Mutual Information [B02] - Non-Correlation + Speaker Transition Interruption Detection

21. Sample Data Group Pairwise

22. Networks Models Conversation Finite State Machine Variable-duration (semi-Markov) HMMs [Mu02] J N S The Influence Model with Hidden States [BCC01]

26. Organizations

27. Social Network Analysis

28. Knowledge Management

34. Questions?