Querying disjunctive databases through nonmonotonic logics
1995 ◽
pp. 68-81
◽
1996 ◽
Vol 160
(1-2)
◽
pp. 321-363
◽
1993 ◽
pp. 249-288
◽
Keyword(s):
2005 ◽
pp. 341-393
Keyword(s):
Keyword(s):
2002 ◽
Vol 3
(2)
◽
pp. 226-278
◽