1. One or more computer-readable media having computer-executable instructions embodied thereon that, when executed by a computing device, perform a method of detecting similarities between two or more clinical documents, the method comprising: identifying at least a first clinical document and a second clinical document that are to be compared to detect the similarities, wherein the first clinical document and the second clinical document are either associated with a same patient or authored by a same clinician, and wherein the identifying is based on one or more of, (A) times associated with the first and second clinical documents, (B) an identity of one or more clinicians who authored the first and second clinical documents, (C) an identity of one or more patients associated with the first and second clinical documents, (D) a type of the first and second clinical documents, or (E) contents of the first and second clinical documents; comparing at least a portion of the first clinical document to at least a portion of the second clinical document; and automatically generating a report without human intervention, the report indicating, at least, the similarities between the at least the portion of the first clinical document and the at least the portion of the second clinical document.