Social signal processing: What are the relevant variables? And in what ways do they relate? - Paul M. Brunet; Hastings Donnan; Gary McKeown; Ellen Douglas-Cowie; Roderick Cowie (ACII, 2009)

Detecting Politeness and efficiency in a cooperative social interaction. - Paul M. Brunet; Marcela Charfuelan; Roderick Cowie; Marc Schröder 001; Hastings Donnan; Ellen Douglas-Cowie (INTERSPEECH, 2010)

Politeness and social signals. - Paul M. Brunet; Roderick Cowie; Hastings Donnan; Ellen Douglas-Cowie (Cogn. Process., 2012)