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Generic speech act annotation for task-oriented dialogues.

1. Introduction The annotation of dialogues in terms of speech acts (or dialogue acts) has typically followed one of two paths. One path has been to tailor the speech act categories to a specific task or domain, as in the Edinburgh Map Task annotation scheme (Carletta et al. 1995). Another has been to aim at a more general coverage of dialogue, as in the DAMSL (Dialogue Act Markup in Several Layers) annotation scheme (Allen and Core 1997). We report here on a pilot project (supported by EPSRC grant GR/R37142/01) which has attempted to achieve a middle ground between the aims of genericity and specificity in data coverage. The SPAAC (SPeech Act Annotated Corpus) scheme has been developed to annotate a range of different kinds of dialogue, but within the general scope of telephone task-oriented dialogue between two people, as contrasted, for example, with general conversation. To try out the generic potential of the scheme, we have annotated different kinds of dialogue, especially British Telecom and The Trainline service-providing dialogues. 1 A set of 41 speech-act categories has been applied to these sets of corpus data.