Enterprise 2.0: Research Challenges and Opportunities. - Zakaria Maamar; Noura Faci; Ejub Kajan; Khouloud Boukadi; Sherif Sakr; Mohamed Boukhebouze; Soraya Kouadri Mostéfaoui; Vanilson Arruda Burégio; Fadwa Yahya; Valérie Monfort; Romain Hennion (WEBIST (Revised Selected Papers), 2014)