This book constitutes the proceedings of the Sixth Conference on Information and Communication Technologies "e;TIC.EC"e;, held in Cuenca, Ecuador, from November 27 to 29, 2019. Considered one of the most important conferences on ICT in Ecuador, it brings together scholars and practitioners from the country and abroad to discuss the development, issues and projections of the use of information and communication technologies in multiples fields of application. The 2019 "e;TIC.EC"e; conference was organized by Universidad del Azuay (UDA) and its Engineering School, as well as the Ecuadorian Corporation for the Development of Research and Academia (CEDIA). The book covers the following topics:*       Software engineering*       Security*       Data*       Networks*       Architecture*       Applied ICTs*       Technological entrepreneurship*       Links between research and industry*       High-impact innovation*       Knowledge management and intellectual property 

Hearing loss and its association with clinical practice at dental university students through mobile APP: a longitudinal study.- A Bayesian network approach to identity climate teleconnections within homogeneous precipitation regions in Ecuador.- Design and implementation of an automatic system for the monitoring and monitoring of a prototype refrigeration plant with parallel compressors.