P. Cimiano, V. Lopez, C. Unger, E. Cabrio, A. C. Ngomo et al., Multilingual Question Answering over Linked Data (QALD-3): Lab Overview, pp.321-332, 2013.
DOI : 10.1007/978-3-642-40802-1_30

URL : https://hal.archives-ouvertes.fr/hal-00908804

C. Fellbaum, WordNet: An Electronic Lexical Database, 1998.

A. Hallili, Toward an ontology-based chatbot endowed with natural language processing and generation, Proc. of ESSLLI 2014 -Student Session, 2014.
URL : https://hal.archives-ouvertes.fr/hal-01089102