This paper presents methods for controlling interactions among agents in a tightly coupled multiagent framework. In this framework, an agent is aware of what agents are available, which is able to solve a qucry, and how to contact them. This characteristic leads to the simplicity in controlling both local and remote interactions among agents. The form of the communication packet used in information exchange is predetermined and transparent to all agents. Agent interactions are described within the platform of MASCOT that is a tightly coupled multiagent system developed for the role of a computer secretary. Protocols for message exchange are presented, and a scenario is given to demonstrate how the communication mechanism controls agent interactions in MASCOT.
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