1. A method configured for execution on a processor of a computing device comprising: determining at least one of a document feature, a query feature, or a document-query feature based at least in part upon categorical metadata corresponding to at least one of an item accessible by way of a search engine or a query executable by the search engine to retrieve items; and ranking search results based at least in part upon the at least one of the document feature, the query feature, or the document-query feature.