A search system with a user interface module that generates a search engine results page including a listing of reference documents, each with a hyperlink to at least one secondary document relevant to the reference document. The search system also includes a text function tagger that parses text excerpts of the documents, and applies text function tags thereto. A secondary processing module is provided which identifies those secondary documents that have a text function tag that matches a text function tag of a reference document, so that selection of the hyperlink generates a display of secondary documents that are determined to at least have a text function tag that matches a text function tag of the reference document for which corresponding hyperlink was selected. A method and computer readable medium are also provided.