1. A method of executing queries in a complex event processing (CEP) environment, the method comprising: receiving a stream of continuous event data; identifying a query to be run on the received stream, the query including at least one adaptable parameter; executing the identified query; displaying results of the identified query in a user interface; receiving, via the user interface, input indicative of a change to the adaptable parameter; and modifying the identified query based on the received input, the query being dynamically modified during runtime and as the stream of continuous event data is being received.