9. A system comprising: one or more devices to: obtain a search query, obtain search results based on the search query and a search index that includes information regarding documents, determine a category associated with a set of results of the search results, identify candidate queries for the search query, determine whether the category matches one of the candidate queries or one or more terms of the search query, determine a first ratio based on a first quantity of times that the search query is submitted to a web search engine interface, determine a second ratio based on a second quantity of times that the search query is submitted to a specialized search engine interface that is used to search for information associated with the category or to search for information associated with news, identify, based on the first ratio and the second ratio, the search query as a media query associated with the category when the category matches the one of the candidate queries, and provide a result document based on the media query and based on identifying the search query as the media query.
13. The system of claim 9 , where the information associated with the category includes information associated with books, and where, when identifying the search query as the media query, the one or more devices are to: determine a third ratio based on the first ratio and the second ratio, and identify the search query as the media query, associated with a book type of media, when the third ratio satisfies a particular threshold.