Sophocles Efremidis;Christos, H. Papadimitriou;Martha Sideris
National Technical Univ. of Athens, Greece;National Technical Univ. of Athens, Greece;National Technical Univ. of Athens, Greece
On the complexity of regular-grammars with integer attributes
Journal of Computer and System Sciences
The HiLeX system for semantic information extraction
Transactions on Large-Scale Data- and Knowledge-Centered Systems V