An Object-Oriented Linguistic Engineering Environment using LFG (Lexical Functionnal Grammar) and CG (Conceptual Graphs) Jerome Vapillon author Xavier Briffault author Gerard Sabah author Karim Chibout author 1997 text Computational Environments for Grammar Development and Linguistic Engineering conference publication vapillon-etal-1997-object https://aclanthology.org/W97-1514/ 1997