conf/sigmod/78 John Mylopoulos Philip A. Bernstein Harry K. T. Wong A Language Facility for Designing Interactive Database-Intensive Applications (Abstract). 17 1978 SIGMOD Conference db/conf/sigmod/sigmod78.html#MylopoulosBW78 SIGMOD78/P017.PDF http://doi.acm.org/10.1145/509252.509262