db/conf/ht/DurandK98.html David G. Durand Paul Kahn MAPA: A System for Inducing and Visualizing Hierarchy in Websites. 66-76 HT1998/P066.pdf 1998 conf/ht/98 Hypertext http://doi.acm.org/10.1145/276627.276635 db/conf/ht/ht98.html#DurandK98