Reachability queries on large directed graphs have attracted much attention recently. The existing work either uses spanning structures, such as chains or trees, to compress the c...
Mining frequent patterns in transaction databases, time-series databases, and many other kinds of databases has been studied popularly in data mining research. Most of the previous...
We study visibly pushdown automata (VPA) models for expressing and evaluating queries, expressed using MSO formulas, on words with a nesting structure (like XML documents). We deļ...
With the development of variable-data-driven digital presses where each document printed is potentially unique there is a need for pre-press optimization to identify material that...
Alexander J. Macdonald, David F. Brailsford, John ...
Optimisation of real world Variable Data printing (VDP) documents is a difficult problem because the interdependencies between layout functions may drastically reduce the number o...
Alexander J. Macdonald, David F. Brailsford, Steve...