conf/pods/91 Håkan Jakobsson Mixed-Approach Algorithms for Transitive Closure. 199-205 1991 PODS db/conf/pods/pods91.html#Jakobsson91 http://doi.acm.org/10.1145/113413.113431 journals/anthology/cd1-3:PODS91/P199.PDF journals/anthology/dvd1:text/1-3/PODS91/P199.PDF books/aw/AhoHU74 ... ... conf/stoc/CoppersmithW87 ... journals/ipl/Ebert81 ... conf/vldb/IoannidisR88 journals/tcs/Italiano86 journals/ipl/Italiano88 ... journals/ipl/Munro71 ... journals/siamcomp/Schnorr78 ... journals/jacm/Warshall62 journals/cacm/Warren75