Philip A. Bernstein Review - EXPRESS: A Data EXtraction, Processing, amd REStructuring System. 1999 1 ACM SIGMOD Digital Review db/journals/dr/dr1.html#Bernstein99b db/journals/dr/Bernstein99b.html journals/tods/ShuHTGL77 conf/pacific/HouselSSL75 journals/cacm/ShuHL75