Modeling Information Flow in Face-to-Face Meetings while Protecting Privacy
Author(s)
Rudolph, Larry
Zhenghao, Chen
Date Issued
January 2006
Series/Report no.
Computer Science (CS)
Abstract
Social networks have been used to understand how information flows through an organization as well as identifying individuals that appear to have control over this information flow. Such individuals are identified as being central nodes in a graph representation of the social network and have high "betweenness" values. Rather than looking at graphs derived from email, on-line forums, or telephone connections, we consider sequences of bipartite graphs that represent face-to-face meetings between individuals, and define a new metric to identify the information elite individuals. We show that, in our simulations, individuals that attend many meetings with many different people do not always have high betweenness values, even though they seem to be the ones that control the information flow.
Subjects
social networks
universal hashing
privacy
information flow
pervasive computing
face-to-face meetings
models
location tracking
Persistent DSpace Link
