Radim Belohlávek Vladimir Sklenar Jiri Zacpal Concept Lattices Constrained by Attribute Dependencies. 63-73 2004 conf/dateso/2004 DATESO http://sunsite.informatik.rwth-aachen.de/Publications/CEUR-WS/Vol-98/paper6.pdf db/conf/dateso/dateso2004.html#BelohlavekSZ04