There were several dialog act corpora available to the research community like as TRAINS (Traum, 1996), VERBMOBIL (Alexandersson et al., 1998), SWBD-DAMSL (Jurafsky et al., 1997), MRDA (Shriberg et al., 2004), AMI (McCowan et al., 2005) and so on.
in the pre-processing stage, we build a Vietnamese dialect dictionary includes 167 distinct Southern Vietnam dialect words, 55 distinct Central Vietnam dialect words and their translation to the "standard" North Vietnam dialect.