11. The server node of claim 10 , wherein the index engine to filter the received event data includes the index engine to determine what event data to publish to the query source based on the subscriptions to the component parts, including the index engine to forego publication of event data related to component parts the query source is not subscribed to.
10. The server node of claim 9 , wherein in response to receiving the query including the subscription, the index engine is to parse the query into multiple component parts, each related to a different data event of the enterprise system, and generate a subscription to each of the data events related to the multiple component parts.