LICS
1999
IEEE
14 years 3 months ago
1999
IEEE
The complexity of set constraints has been extensively studied over the last years and was often found quite high. At the lower end of expressiveness, there are atomic set constra...
CL
2000
Springer
14 years 3 months ago
2000
Springer
Abstract. Dominance constraints are widely used in computational linguistics as a language for talking and reasoning about trees. In this paper, we extend dominance constraints by ...
XIMEP
2005
ACM
14 years 5 months ago
2005
ACM
There are three set operators defined in XQuery, namely union, intersect and except. They take node sequences as operands, in which each node is identified by its node-ID and tr...