In this paper we present BBQ (Blended Browsing and Querying), a graphic user interface for seamlessly browsing and querying XML data sources. BBQ displays the structure of multipl...
We study the problem of answering queries through a target schema, given a set of mappings between one or more source schemas and this target schema, and given that the data is at...
Many existing access controls use node filtering or querying rewriting techniques. These techniques require rather time-consuming processes such as parsing, labeling, pruning and/...
In the last years User Interface Description Languages (UIDL) appeared as a suitable solution for developing multi-target user interfaces. By applying appropriate model transformat...
Marco Winckler, Jean Vanderdonckt, Adrian Stanciul...
The pebble tree automaton and the pebble tree transducer are enhanced by additionally allowing an unbounded number of `invisible' pebbles (as opposed to the usual `visible...
Joost Engelfriet, Hendrik Jan Hoogeboom, Bart Samw...