= Semantic Relations =

  * cites
  * challenges
  * questions
  * reverses (legal only?)
  * review of (article [journal, magazine] > book; the author and title of the book should ideally become part of the citation for the article, especially in cases when the review has no title)
  * version of (variants of classical texts, etc.) 

== Suggestions ==

  * cites
    * refutes
    * supports

  * references
  * supported by
  * refuted by
  * further details

  * derived from
  * based on

See Also:

  * [http://forums.zotero.org/discussion/1317/semantic-relations/ Related forum thread]