There are at least five components to the CQ system:
The client manager contains three components: A registration manager, a CQ installation manager, and a client service manager.
The client manager connects to two services: the meta data repository where user registration is stored, and the CQ server itself.
The CQ server connects with several wrappers that monitor hetergeneous types of information sources. Each wrapper contains a source update event observer to determine when a source has changed.
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