iPhone and iPod Touch are multi-touch handheld devices that provide new possibilities for interaction techniques. We describe iPhone/iPod Touch implementation of a navigation inte...
Ji-Sun Kim, Denis Gracanin, Kresimir Matkovic, Fra...
d Abstract) Andrea Cal`i2,1 , Georg Gottlob1,2 , and Thomas Lukasiewicz1, 1 Computing Laboratory, University of Oxford, UK firstname.lastname@comlab.ox.ac.uk 2 Oxford-Man Institute...
APPEARED IN ACM PODS-2009. A sliding windows model is an important case of the streaming model, where only the most "recent" elements remain active and the rest are disc...
Vladimir Braverman, Rafail Ostrovsky, Carlo Zaniol...
We consider the problem of deciding query equivalence for a conjunctive language in which queries output complex objects composed from a mixture of nested, unordered collection ty...