Abstract: Provided are systems, methods and computer program products. Embodiments may include methods that include receiving a query that includes multiple requests, each including target data and corresponding to different respective attributes of the query, and selectively and iteratively executing a portion of multiple elemental computer programs responsive to different ones of the requests. Ones of the elemental computer programs are configured to be executed to provide a portion of target values corresponding to respective ones of the requests. More than one of the elemental computer programs are executed to provide, in aggregate, target values corresponding to the target data.