Implementing NOT EXISTS Predicates over a Probabilistic Database.

Ting-You Wang Christopher Ré Dan Suciu Implementing NOT EXISTS Predicates over a Probabilistic Database. 73-86 2008 QDB/MUD http://www.vldb.org/conf/2008/workshops/WProc_qdbmud/mud3.pdf conf/iqis/2008 db/conf/iqis/qdbmud2008.html#WangRS08