Natural Language Processing and Text Mining -- Comparative Analysis of Question Answering Models for HRI Tasks with NAO in Spanish -- Peruvian citizens reaction to Reactiva Perú Program: A Twitter Sentiment Analysis Approach -- Twitter Early Prediction of preferences and tendencies based in neighborhood behavior -- Summarization of Twitter Events with Deep Neural Network Pre-trained Models -- Multi-strategic Approach for Author Name Disambiguation in Bibliography Repositories -- Machine Learning techniques for speech emotion classification -- An evaluation of physiological public datasets for emotion recognition systems -- Machine Learning -- YTTREX: crowdsourced analysis of YouTube's recommender system during COVID-19 pandemic -- Parallel Social Spider Optimization Algorithms with Island Model for the Clustering Problem -- Two-Class Fuzzy Clustering Ensemble Approach Based on A Constraint on Fuzzy Memberships -- Modeling and Predicting the Lima Stock Exchange General Index with Bayesian Networks and Information from Foreign Markets -- Comparative study of spatial prediction models for estimating PM2:5 concentration level in urban areas -- Prediction of Solar Radiation using Neural Networks Forecasting -- COVID-19 Infection Prediction and Classification -- Image Processing -- Towards a benchmark for sedimentary facies classification: Applied to the Netherlands F3 Block -- Mobile application for movement recognition in the rehabilitation of the anterior cruciate ligament of the knee -- Semantic Segmentation using Convolutional Neural Networks for Volume Estimation of Native Potatoes at High Speed -- Symbiotic Trackers' Ensemble with Trackers' Re-initialization for Face Tracking -- Multi-class Vehicle Detection and Automatic License Plate Recognition based on YOLO in Latin American Context -- Static Summarization using Pearsons Coefficient and Transfer Learning for Anomaly detection for Surveillance Videos -- Humpback Whale's Flukes Segmentation Algorithms -- Improving Context-Aware Music Recommender Systems with a Dual Recurrent Neural Network -- Social Networks -- Classification of Cybercrime Indicators in Open Social Data -- StrCoBSP: relationship Strength-aware Community-based Social Pro ling -- Identifying Differentiating Factors for Cyberbullying in Vine and Instagram -- Effect of Social Algorithms on Media Source Publishers in Social -- Media Ecosystems -- The Identification of Framing Language in Business Leaders' Speech From the Mass Media -- Clustering Analysis of Website Usage on Twitter during the COVID-19 Pandemic -- Data-driven Software Engineering -- Calibrated Viewability Prediction for Premium Inventory Expansion -- Data Driven Policy Making: The Peruvian Water Resources Observatory -- Graph Mining -- Use of complex networks to differentiate elderly and young people -- Analysis of the Health Network of Metropolitan Lima against Large-scale Earthquakes -- Quasiquadratic time algorithms for square and pentagon counting in real-world networks -- Identifying COVID-19 Impact on Peruvian Mental Health during Lockdown using Social Network -- Diagnosis of SARS-CoV-2 based on patient symptoms and fuzzy classifiers -- Semantic Web, Repositories, and Visualization -- Distributed Identity Management for Semantic Entities -- Telegram: Data Collection, Opportunities and Challenges -- Graph theory applied to International Code of Diseases (ICD) in a hospital -- CovidStream: Interactive Visualization of Emotions Evolution Associated with Covid-19.