Primitives in CHAIMS
SETUP: set up a connection to a megamodule
SET-, GETPARAM: preset / get parameters in a megamodule
ESTIMATE: get cost estimation for optimization
Invocation and result gathering:
INVOKE: start a specific method
EXAMINE: test status and progress of an invoked method
EXTRACT: extract results from an invoked method
TERMINATE: terminate a method invocation
TERMINATEALL: terminate the connection to a megamodule