1. A method of manufacturing an aircraft comprising: receiving, at a processor, a plurality of documents each comprising corresponding unstructured text and each being from a different source, a particular document being in the plurality of documents; selecting, by the processor based on a policy, the particular document; converting, by the processor, the corresponding unstructured text for the particular document into a structured language; compiling, by the processor, the structured language into rules for a rules engine comprising software stored on a non-transitory computer readable storage medium; parsing, by the processor, the rules for the rules engine into a set of rules; and constructing the aircraft according to the set of rules.