This book constitutes the refereed proceedings of the Second International Conference on
Digital Economy ICDEc 2017 held in Sidi Bou Said Tunisia in May 2017. The 18 papers
presented in this volume were carefully reviewed and selected from 46 submissions. The theme of
ICDEc 2017 was Digital Economy: Emerging Technologies and Business Innovation. The conference
offered a number of sessions discussing innovative research focusing on emerging technologies
which support the digital transformation of business and the economy: digital marketing
digital economy and e-learning data science and security and uncertainty in Web data.