Analysis of the Web Accessibility Level of the Portoviejo Decentralized Autonomous Government Portal (Ecuador) Through Exploratory Factor Analysis and Unsupervised Fuzzy Clustering. - Macías, Tatiana Elizabeth Cobeña; Linzán, Mónica Daniela Barreiro; Zambrano Pico, Félix Vicente; Porta, Marco (Advances in Human-Computer Interaction, 2026)