1. One or more computer-readable media embodying computer-useable instructions for performing a method to generate information to facilitate suggesting related queries for a search query based on a linking structure among a plurality of electronic documents in a document set, the method comprising: extracting document titles from the plurality of electronic documents, wherein each document title is identified as a potential related query; extracting links among the plurality of documents; generating a directed graph in which the document titles are nodes and the links are edges between the nodes; and storing information associated with the directed graph to facilitate suggesting related queries for a search query.