Serge Abiteboul, Richard Hull
Data Functions, Datalog and Negation
SIGMOD, 1988.
@inproceedings{SIGMOD-1988-AbiteboulH, author = "Serge Abiteboul and Richard Hull", booktitle = "{Proceedings of the 18th ACM SIGMOD International Conference on Management of Data}", cdrom = "SIGMOD88/P143.PDF", doi = "10.1145/50202.50218", pages = "143--153", title = "{Data Functions, Datalog and Negation}", year = 1988, }