db/conf/cikm/Giles99.html C. Lee Giles Searching the Web: Can You Find What You Want? 1-2 CIKM1999/P001.pdf 1999 conf/cikm/99 CIKM http://doi.acm.org/10.1145/319950.319951 db/conf/cikm/cikm99.html#Giles99