Knowledge Engineering and Semantic Web.- Social Networks and Recommender Systems.- Collective Decision-Making.- Applications of Collective Intelligence.- Data Mining Methods and Applications.- Machine Learning Methods.- Deep Learning and Applications for Industry 4.0.- Computer Vision Techniques.- Biosensors and Biometric Techniques.- Innovations in Intelligent Systems.- Natural Language Processing.- Low Resource Languages Processing.- Computational Collective Intelligence and Natural Language Processing.- Computational Intelligence for Multimedia Understanding.- Intelligent Processing of Multimedia in Web Systems.