3. The method of claim 1 , where the updating further comprises: modifying a content of the portion in the existing document, wherein the modifying replaces at least a part of the content.
1. A method for updating an existing document using natural language processing (NLP), the method comprising: receiving information about a subject-matter domain; identifying a portion of the existing document, wherein the portion corresponds to the subject-matter domain by including at least a threshold number of references to a category identified in the subject matter domain; lemmatizing, using a processor and a memory, a group of words from the portion to use in a search query, wherein the search query returns a result set, the result set including current information corresponding to the subject-matter domain, the current information being recent as compared to an age of the portion; forming, using the processor and the memory, natural language (NL) update content by processing the current information through an NLP application; associating with the NL update content a confidence rating, the confidence rating being indicative of a provenance of a data source that supplied the current information; and updating, by changing the portion of the existing document in a document repository, the existing document using the NL update content and the confidence rating.