Article ID Journal Published Year Pages File Type
426543 Information and Computation 2009 22 Pages PDF
Abstract

The data-complexity of both satisfiability and finite satisfiability for the two-variable fragment with counting quantifiers is NP-complete; the data-complexity of both query answering and finite query answering for the two-variable guarded fragment with counting quantifiers is co-NP-complete.

Related Topics
Physical Sciences and Engineering Computer Science Computational Theory and Mathematics