Furthermore, speaker pairing and topic attribution were constrained so that no two speakers would be paired with each other more than once and no one spoke more than once on a given topic.
only a subset of 1155 manual transcriptions (annotated with disfluency, abandonment, and interruption information), contain-ing 223606 utterances, was annotated for dialog acts, using the SWBD-DAMSL tag set (Jurafsky et al., 1997).