A computing device determines counts of documents that are similar to a reference document for a set of similarity ratings. Each similarity rating is based on a number of co-occurring terms between the reference document and corresponding similar documents. The computing device present the reference document and a GUI element pertaining to the documents similar to the reference document in a graphical user interface (GUI). Upon a selection of the GUI element, the computing device presents a visual representation of a correlation between the counts of similar documents and the similarity ratings in the GUI. The visual representation is provided prior to displaying at least one of the similar documents.