Jonathan Rossiter Humanist Computing: Modelling with Words, Concepts, and Behaviours. 124-152 http://springerlink.metapress.com/openurl.asp?genre=article&issn=0302-9743&volume=2873&spage=124 2003 conf/mww/2003 Modelling with Words db/conf/mww/mww2003.html#Rossiter03