Guozhu Dong Rodney W. Topor 282-296 ICDT1992/P282.pdf 1992 ICDT db/conf/icdt/icdt92.html#DongT92 conf/icdt/92 http://dx.doi.org/10.1007/3-540-56039-4_48 conf/stoc/AfratiC89 books/mk/minker88/AptBW88 conf/pods/AptP87 conf/db-workshops/Bancilhon85 conf/pods/BancilhonMSU86 conf/edbt/BryDM88 conf/soda/BuchsbaumKV90 conf/birthday/Dong92 conf/pods/Dong92 conf/pods/HillebrandKMV91 journals/ipl/IbarakiK83 journals/tcs/Italiano86 conf/dood/Kuchenhoff91 journals/jlp/LloydS91 journals/jlp/LloydST87 journals/acta/Nicolas82 journals/jacm/EmdenK76