20. The system of claim 18 logic executed on the computer system that receives the search query.
18. A system for searching for relevant content on a topic, comprising: a computer system that includes central processing unit; and a memory; logic executed on the computer system that identifies articles that satisfy a search query, the articles posted by a plurality of authors on the topic and published in a current period and an earlier period; logic executed on the computer system that identifies stakeholder authors that cited or posted articles on the topic during the current or earlier periods; logic executed on the computer system that identifies an authority of the plurality of authors of the identified articles, the authority based at least upon whether the stakeholder authors cite the identified articles in the current period and whether respective authors of the articles published at least one previous article on the topic satisfying the search query in a previous period, the logic further comprising logic that, before identifying the authority of the plurality of authors for the current period, initializes the authority for an author for the current period based at least upon the authority of the author for a latest earlier period; if the author has published the at least one previous article on the topic satisfying the search query in the current period, increasing the authority; wherein for each of the identified stakeholder authors, the authority of the author is further increased if the stakeholder author cites during the current period an identified article associated with the author, the authority of the author decreased if the stakeholder author does not cite during the current period the identified article associated with the author; and logic executed on the computer system that ranks the identified articles based on the authority of the author of each of the identified articles.