Henrik Nottelmann Umberto Straccia sPLMap: A Probabilistic Approach to Schema Matching. 81-95 http://springerlink.metapress.com/openurl.asp?genre=article&issn=0302-9743&volume=3408&spage=81 2005 conf/ecir/2005 ECIR db/conf/ecir/ecir2005.html#NottelmannS05