Liu, M. Overview of Datalog Extensions. In Proceedings of the 6th International Workshop on Deductive Database and Logic Programming (DDLP 98), Manchester, UK, June 20, 1998
(1998)
Languages mentioned
COL
{1989}
DATALOG
{1990}
HiLog
{1989}
LDL
{1984}
Relationlog
{2001}