18. The system according to claim 1 , wherein the agent architecture further includes a system agent that provides default functionality and basic services, wherein each of the plurality of domain agents can use the functionality and services of the system agent.
18. The system according to claim 1 , wherein the agent architecture further includes a system agent that provides default functionality and basic services, wherein each of the plurality of domain agents can use the functionality and services of the system agent. 25. The system according to claim 18 , wherein the parser formulates at least one request in accordance with a grammar that the selected domain agent uses to process requests associated with the context for the one or more keywords contained in the utterance.