In summary, there are really only two types of speech acts discussed in the draft specification for KQML, the directive and assertive. Although KQML offers an extensible language, a most important class of communication actions seems to be missing entirely the commissives, which commit an agent to a course of action. Dialogue acts are rational plans . The basic logic differs from that of Cohen and Levesque in that possible worlds are seen as time points, not whole sequences of time points. PG means persistent goal.
Dialogue acts are rational plans .
We now turn to the problem of showing how agents can form and discharge these joint commitments and intentions. However, we will primarily be concerned here with mutual belief acquired via explicit communication. Dialogue acts are rational plans . For example, speakers requests are planned to alter the intentions of their addressees. Dialogue acts are rational plans .