(1) The process of analyzing event data to identify patterns, common causes, and root causes. Correlation analyzes the incoming events for known states, using rules and relationships.
(2) In transaction monitoring, the process of tracking hierarchical relationships among transactions and associating transactions with their nested subtransactions.
(3) A record used with business processes and state machines to allow two partners to initialize a transaction, temporarily suspend an activity, and then recognize each other again when that activity resumes.
(4) A mechanism that bridges a point in a process flow between two or more process instances.
(5) The relationship, captured in a correlation expression, that describes how an incoming event is matched with one or more monitoring context instances to which it will be delivered.