Communications -- Hybrid Solar-Radiofrequency Energy Harvesting System for Fifth Generation 5G Terminals -- Smart Antenna Array for Optimal Electromagnetic Energy Capture -- e-Learning -- Virtual Training Module for the Production of Rubber Adhesives through the Production of Cyclopentenol -- Virtual Training Module for the Extraction of Essential Oils using a Distillation column -- Teaching Digital Competences in University professors: A meta-analysis and systematic literature review in Web of Science -- Evaluation of the Kahoot tool as an applied assessment in Physical Education learning -- Intelligent Systems -- Enhanced Books Recommendation using Clustering Techniques and Knowledge Graphs -- Handwritten signature verification system using convolutional neural network for real-time applications -- A comparison of machine learning algorithms to predict cervical cancer on imbalanced data -- An Electronic Equipment for Automatic Identification of Forest Seed Species -- Automatic Evaluation of Physiotherapy Activities Using Deep Learning Techniques -- Multivariable control approach applied to the embryo incubation process of gallus gallus domesticus -- Discovering visual deficiencies in pilots candidates using data mining -- An Electronic Equipment for Measuring Color Difference between Tissues based on Digital Image Processing and Neural Networks -- Artificial intelligence-based banana ripeness detection -- U-Net vs. TransUNet: Performance Comparison in Medical Image Segmentation -- Access control through mask detection and estimation of people capacity in covered premises -- Customer segmentation in food retail sector: an approach from customer behavior and product association rules -- Bibliometric analysis of Web of Science database STEM fields in Engineering and Mathematics. Ecuador's case study -- Image processing method to estimate water quality parameter -- Use of the Student Engagement as a strategy to optimize online education, applying a supervised machine learning model using facial recognition -- Crime Data Analysis Using Machine Learning Models -- Machine Vision -- Gene therapy as a solution to genetic diseases through DNA manipulation -- Security -- Vulnerability of CAPTCHA systems using bots with machine vision skills -- Military Leadership in the Ecuadorian Army -- Analysis of key variables for Ecuadorian defense industry development -- The prioritization of external security as a means of guaranteeing multidimensional security and economic growth -- Comparative Study of Deep Learning Algorithms in the Detection of Phishing Attacks Based on HTML and Text Obtained from Web Pages -- Ground Robot for Research and Rescue Management -- A virtual shooting range, experimental study for military training -- Recovery of Level III Ballistic Plates by reinforcing and renewing their structural components -- Technology Trends -- A Blockchain-Based Model for OAuth Authorization via Third-Party Web Application -- A blockchain-based prototype to support the medical prescription control -- Identification system based on facial recognition services in the cloud -- ESPE-Chat: An inclusive application for people with hearing impairment -- IoT for energy saving in homes in Santo Domingo de los Tsáchilas -- Monitoring system based on an IOT platform for an axial flow permanent magnet generator -- Cyber-Physical Systems in Education: A New Approach to Continuous Improvement and Agile Learning -- Open-source platform for development of taximeters: Adjustment Software -- XiMent: Multiplatform cognitive training system based on multimedia technologies and Reminiscence methodology for the population of older adults with mild cognitive impairment -- A dataset for analysis of quality code andtoxic comments -- Model-Driven Engineering Applied to User Interfaces. A Systematic Literature Review -- A model based on attitudinal factors which impact the development of technical projects as undergraduate work. .