1. A system, comprising: a memory storing a plurality of instructions; and one or more processors configured to access the memory, wherein the one or more processors are further configured to execute the plurality of instructions to at least: identify a query that identifies at least a data stream; identify a configurable window size; initialize the query with at least a portion of historical data based at least in part on the window size; and evaluate the query based at least in part on the data stream and the portion of the historical data.