Agrawal, R. ; Borgida, A. ; Jagadish, H. V.:
Efficient management of transitive relationships in large data and knowledge bases.
In: SIGMOD '89: Proceedings of the 1989 ACM SIGMOD international conference on Management of data.
New York, NY, USA
: ACM Press,
1989. - ISBN
0-89791-317-5,
S. 253--262