Abstract
In this paper, an artificial society approach that regards offices as conversational networks complements and integrates cognitive and institutional aspects of Language / Action Perspectives and DAI approaches that have been confronted with the cognitive design problem of office was argued. A conversational game is the cognitive process that makes manager's understnding of the speaker's intentional states out of what the colleague had said and the knowledge structures for communication. And a conversational network that consists of conversational games interconnected via managerial role system describes some institutional aspects of office.