The semantics of constraint logic programming languages with coroutining facilities (\freeze," suspension, residuation, etc.) cannot be fully declarative; thus, an operationa...
Abstract. In dynamic environments like the Web, data sources may change not only their data but also their schemas, their semantics, and their query capabilities.When a mapping is ...
We introduce adhesive categories, which are categories with structure ensuring that pushouts along monomorphisms are well-behaved. Many types of graphical structures used in comput...
Abstract. We investigate conditions under which con uence and or termination are preserved for constructor-sharing and hierarchical combinations of rewrite systems, one of which is...
ded abstract of this paper is published in the proceedings of the 3rd International Workshop on Conditional Term Rewriting Systems, Pont- -Mousson, 1992 1