We investigate the problem of using materialized views to answer SQL queries. We focus on modern decision-support queries, which involve joins, arithmetic operations and other (po...
Markos Zaharioudakis, Roberta Cochrane, George Lap...
Mode-Automata have been proposed in [11]. They introduce, in the domain-specific data-flow language Lustre for reactive systems, a new construct devoted to the expression of runn...
Venn diagrams and Euler circles have long been used as a means of expressing relationships among sets using visual metaphors such as \disjointness" and \containment" of t...
The Web so far has been incredibly successful at delivering information to human users. So successful actually, that there is now an urgent need to go beyond a browsing human and ...
Type dispatch constructs are an important feature of many programming languages. Scheme has predicates for testing the runtime type of a value. Java has a class cast expression an...