C. V. Ramamoorthy Benjamin W. Wah Knowledge and Data Engineering. 9-16 TKDE1/P0009.pdf 1989 1 IEEE Trans. Knowl. Data Eng. 1 db/journals/tkde/tkde1.html#Ramamoorthy89 db/journals/tkde/Ramamoorthy89.html ... ... ... ... journals/computer/McDonaldGSDB87 books/cs/Ullman82 journals/computer/WahLY85 ... journals/computer/West87 journals/software/Wiederhold84