1. A method for generating search results comprising web documents with associated expert information, the method comprising: receiving one or more search queries; selecting one of the one or more search queries; determining one or more categories of web documents responsive to the selected search query; crawling a web graph of linked web documents to identify one or more web documents tagged as within the one or more categories responsive to the selected search query; generating a result set of the one or more web documents identified as within the one or more categories responsive to the selected search query; ranking the result set of the one or more web documents identified as within the one or more categories responsive to the selected search query based upon the quality of the secondary characteristics of the one or more documents of the result set, the secondary characteristics of the one or more documents of the result set comprising the level of experts linked to the one or more documents of the result set; and generating a list of ranked search results responsive to the selected search query.