This book constitutes the refereed proceedings of the 8th International Conference, CITI 2022, held in Guayaquil, Ecuador, during November 14-17, 2022. The 19 full papers included in this book were carefully reviewed and selected from 48 submissions. They were organized in topical sections as follows: machine Learning; knowledge based systems; computer vision and image analysis; networks, monitoring and collaborative systems; apps and user interfaces.

This book constitutes refereed proceedings of the 7th International Conference on Technologies and Innovation, CITI 2021, held in Guayaquil, Ecuador, in November 2021.The 14 full papers presented in this volume were carefully reviewed and selected from 36 submissions. They are organized in topical sections named: semantic technologies and machine learning; natural language processing; mobile and collaborative technologies; networks and IoT technologies; ICT for agronomy and environment.