Media type: E-Article Title: Présentation Contributor: Flichy, Patrice [Author] Published in: Réseaux ; Vol. 16, n° 90, pp. 5-7 Language: French ISSN: 0751-7971 Keywords: edito Origination: Footnote: Access State: Open Access Rights information: Attribution - Non Commercial - No Derivs (CC BY-NC-ND)