Peter Weinstein H. Van Dyke Parunak Paul Chiusano Sven Brueckner Hypothesis Corroboration in Semantic Spaces with Swarming Agents. 428-429 http://springerlink.metapress.com/openurl.asp?genre=article&issn=0302-9743&volume=3172&spage=428 2004 conf/antsw/2004 ANTS Workshop db/conf/antsw/antsw2004.html#WeinsteinPCB04