Querying medical databases in an environment offering logical data independence

Computer Methods and Programs in Biomedicine - Tập 28 - Trang 225-234 - 1989
Paolino di Felice1
1Dipartimento di Ingegneria Elettrica, Universitàdi L'Aquila, 67100 L'Aquila, Italy

Tài liệu tham khảo

1987, 25, 243 Ullman, 1983 Ullman, 1983, Universal relation interfaces for database systems, 243 Biskup, 1983, Universal relation view: a pragmatic approach, 172 Korth, 1984, System/U: a database system based on the universal relation assumption, ACM Trans. Database Syst., 9, 331, 10.1145/1270.1209 Maier, 1982, Toward logical data independence: a relational query language without relations, 51 Atzeni, 1982, Assumptions in relational database theory, 1 Kent, 1981, Consequences of assuming a universal relation, ACM Trans. Database Syst., 6, 539, 10.1145/319628.319630 D'Atri, 1989, Dynamic query interpretation in relational databases, Inf. Syst., 14, 10.1016/0306-4379(89)90029-X Chamberlin, 1976, SEQUEL 2: a unified approach to data definition, manipulation and control, IBM J. Res. Dev., 20, 560, 10.1147/rd.206.0560 Stonebraker, 1976, The design and implementation of INGRES, ACM Trans. Database Syst., 1, 189, 10.1145/320473.320476 Zloof, 1977, Query by example: a database language, IBM Syst. J., 16, 324, 10.1147/sj.164.0324 Maier, 1983, Windows on the world, Vol. 13, 68 Maier, 1983, Maximal objects and the semantics of universal relation databases, ACM Trans. Database Syst., 8, 1, 10.1145/319830.319831 Maier, 1984, On the foundations of the universal relation model, ACM Trans. Database Syst., 9, 283, 10.1145/329.318580 D'Atri, 1983, Answering queries in relational databases, Vol. 13, 173 1985 1986 Currò, 1987, An information system for ambulatory pediatrics, 188