1. A method for transforming a natural language request for modifying a set of subscriptions for a publish/subscribe topic string, the method comprising: receiving, at a processing device, a natural language request for modifying a set of subscriptions for one or more topics in a publish/subscribe topic hierarchy, the natural language request comprising a predetermined natural language element; transforming the natural language request into a publish/subscribe topic string, wherein the predetermined natural language element is transformed into a publish/subscribe symbol, the symbol representing one or more topics in the topic hierarchy; and modifying one or more subscriptions to one or more topics based on the transformed topic string.