Robert E. Mercer Lionel Forget Vincent Risch Comparing a Pair-Wise Compatibility Heuristic and Relaxed Stratification: Some Preliminary Results. 580-591 2001 conf/ecsqaru/2001 ECSQARU http://springerlink.metapress.com/openurl.asp?genre=article&issn=0302-9743&volume=2143&spage=0580 db/conf/ecsqaru/ecsqaru2001.html#MercerFR01