906931.fig.004a
(a)
906931.fig.004b
(b)
906931.fig.004c
(c)
Figure 4: (a) KeyGraphs for achievers, (b) socializers, and (c) explorers generated from the given sample data sets, where m (interaction to a mission master), c (chat), and r (interaction to a remote object) are the keywords in (a), (b), and (c), respectively.