Agathoniki Trigoni, Gavin M. Bierman. Inferring the Principal Type and the Schema Requirements of an OQL Query. In Brian J. Read, editor, Advances in Databases, 18th British National Conference on Databases, BNCOD 18, Chilton, UK, July 9-11, 2001, Proceedings. Volume 2097 of Lecture Notes in Computer Science, pages 185-201, Springer, 2001. [doi]
Abstract is missing.