1. A method of managing feedback data used to rank search results, comprising: receiving, at a computing device, one or more elements of feedback data, the one or more elements of feedback data being in an unstructured format, wherein the one or more elements of feedback data includes textual comments describing a particular document; associating the one or more elements of feedback data with one or more documents; ranking the one or more documents based from the one or more elements of feedback data, wherein, when ranking the one or more documents, the feedback data is emphasized based on how often the one or more documents is indexed, the feedback data being emphasized more when the feedback data corresponds to a document that is indexed more frequently than other documents; and providing the ranked one or more documents.