Source: https://www.researchgate.net/profile/Nathalie-Aussenac-Gilles/publication/220438882_Desambiguisation_et_Expansion_de_Requetes_dans_un_SRI_Etude_de_l'apport_des_liens_semantiques/links/55db37de08aeb38e8a8b7d89/Desambiguisation-et-Expansion-de-Requetes-dans-un-SRI-Etude-de-lapport-des-liens-semantiques.pdf