Variables are the distinguishing new feature of XPath 2.0 which permits to select n-tuples of nodes in trees. It is known that the Core of XPath 2.0 captures n-ary first-order (FO...
Emmanuel Filiot, Joachim Niehren, Jean-Marc Talbot...
By Andr`e theory, it is well known how to algebraically convert a spread in a projective space to an equivalent spread (representing the same translation plane) in a projective sp...
In this paper, we propose a new approach to thinking about and implementing Computer Science curricula in secondary education. The characteristic feature is to organize the items ...
We propose a general method to characterize and synthesize correctness-preserving, asynchronous wrappers for synchronous processes on a globally asynchronous locally synchronous (...
Dumitru Potop-Butucaru, Robert de Simone, Yves Sor...
—We use the recently developed theory of forest algebras to find algebraic characterizations of the languages of unranked trees and forests definable in various logics. These i...
Mikolaj Bojanczyk, Howard Straubing, Igor Walukiew...