A tool that estimates the author's personality by analysing cues from written texts or conversation transcripts. The recognizer is based on statistical models trained on conversational data and written essays, that produce a personality score for each of the Big Five personality traits.
François Mairesse, Marilyn Walker, Matthias Mehl and Roger Moore. Using Linguistic Cues for the Automatic Recognition of Personality in Conversation and Text. Journal of Artificial Intelligence Research (JAIR), 30, pages 457-500, 2007.