抄録
The word “ discussion ” here means a general name of the oral exchanges of information among multi-persons.The transition of speakers in discussion is taken up as the objective data. The theoretical model of discussion process is defined as Markov Renewal Process Semi-Markov Process.And some numerical values are defined and applied to real data, that valuate the discussion from various angles that are the difference of dependency depth of Markov property of transition process in discussion process.
