Sifting for Deeper Insights from Public Opinion: Towards Crowdsourcing and Big Data for Project Improvement. - Jean Marie Tshimula; Mary Muthoni Njuguna; Thierry Roger Bayala; Mbuyi Mukendi Didier; Achraf Essemlali; Hugues Kanda; Numfor Solange Ayuni (iCAST, 2019)