Communications in Computer and Information Science

This book constitutes the proceedings of the 4th International Conference on Technologies and Innovation, CITI 2018, held in Guayaquil, Ecuador, in November 2018. The 21 full papers presented in this volume were carefully reviewed and selected from 64 submissions. They are organized in topical sections named: ICT in agronomy; software engineering; intelligent and knowledge-based systems; e-learning.