COQUEL : A Conceptual Query Language Based on the Entity Relationship Model
Rafael Bello
◽
Jorge Lloret
1996 ◽
Vol 7
(3)
◽
pp. 321-352
◽
Marc Andries
◽
Gregor Engels
Nectaria Tryfona
◽
Christian S. Jensen
Il-Yeol Song
◽
Peter P. Chen
Andrea Calì
◽
Georg Gottlob
◽
Andreas Pieris
Antonio L. Furtado
◽
Erich J. Neuhold