This book constitutes revised selected papers from the refereed proceedings of the 15th Colombian Congress on Advances in Computing, CCC 2021, held in Bogotá, Colombia, during November 22-26, 2021.

¿Artificial Intelligence.- SIMALL: Emotional BDI Model for Customer Simulation in a Mall.- Classification of Depression Based on Audio with Artificial Intelligence.- Analytical model of recommendations for the mitigation of theft risks.- Implementing a Deep Learning Algorithm for Detection of Denial of Service Attacks.- Correlations and cross-correlations in temperature and relative humidity temporal series from Manizales, Colombia.- Educational Informatics.- ALPY PLUS - Adaptive Model Oriented to Pathway Planning in Virtual Learning System.- Problem-based learning and virtual platforms process in education for civil engineers: An experiment carried out by the University of Medellin, Colombia.- Information Systems.- Cost Estimate Migration for Crystal Reports.- Evaluation of Work Stealing Algorithms.- Analysis of the user experience for an application proposal oriented to the general medical consultation service.