1. A computer-implemented method for facilitating a meeting of a group of participants, comprising: generating a graph of words from speeches of the participants, as the words are received from the participants; partitioning the group of participants into a plurality of subgroups of participants; performing, by a computer, a graphical text analysis on the graph to identify a cognitive state for each participant and a cognitive state for each subgroup of participants; and informing at least one of the participants about the identified cognitive state of a participant or a subgroup of participants.