C. L. Fay-varnier-c and . Roussanaly-a, Modelling an Intelligent Help System from a Wizard of Oz Experiment, ESCA Workshop on Spoken Dialogue Systems, 1995.

D. C. , E. D. Hockey-b, and S. B. Zaidel-m, XTAG System -A Wide Coverage Grammar for English, COLING, 1994.

J. A. Schabes-y, Tree Adjoining Grammars and lexicalized grammars, Tree automata and languages, 1992.

S. S. Schabes-y, Restricting the weak-generative capacity of synchronous treeadjoining grammars, Computational Intelligence, vol.10, pp.371-385, 1994.

V. Noord, G. Bouma-g, and K. R. Nederhof-m.-j, Robust Grammatical Analysis for Spoken Dialogue Systems, Natural Language Engineering, vol.1, pp.1-48, 1998.