Graphical rewrite rules are often used in programming environments for children. These rules consist of two parts: a left-hand side, which is visually matched in the environment, ...
We describe Thresher, a system that lets non-technical users teach their browsers how to extract semantic web content from HTML documents on the World Wide Web. Users specify exam...
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...