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IrIs BIometrIC modeL
• e expressive serves to provide the recipient with details of
the speaker’s mental state such as “I am happy,” “I apologize
for yesterday,” or “thank you.”
• e declarative performs an act thereby to utter the statement
such as “I curse you” or “I sentence you to 2 years in prison.”
4.4.2 Acts of Conversation
Conversation is described as a sequence of states, linked by transi-
tions, representing communications between agents. e modeling of
conversations requires the definition of protocols (i.e., valid sequences
of messages). ese protocols are modeled as a finite state machine or
Petri network (Ferber 1997). e model of a finite state machine is
represented as a sequence of states linked by transitions (Winograd
and ...