Sajjad Haider Abbas K. Zaidi Alexander H. Levis Identification of best sets of actions in Influence Nets. 19-29 2008 5 Int. J. Hybrid Intell. Syst. 1 http://iospress.metapress.com/openurl.asp?genre=article&issn=1448-5869&volume=5&issue=1&spage=19 db/journals/ijhis/ijhis5.html#HaiderZL08