RT Journal Article T1 On an OptLearn implementation using collaborative filtering. A1 Fuster López, Alejandro A1 Guerrero-García, Pablo A1 Hendrix, Eligius María Theodorus A1 Martínez-Cruz, Jesús A1 Nowak, Ivo K1 Matemáticas - Estudio y enseñanza - Innovaciones tecnológicas K1 Enseñanza asistida por ordenador AB The aim of the iMath project is to develop a recommender system where a student is recommended a next question or literature in a learning platform MathE. This paper describes the systems developed based on collaborative filtering python application Surprise by the partners of the project based in Universidad de Málaga and Hamburg. Moreover, it describes further development towards hybridization of recommenders and the inclusion of concept maps. YR 2023 FD 2023 LK https://hdl.handle.net/10630/27214 UL https://hdl.handle.net/10630/27214 LA eng NO 2021-1-PT01-KA220-HED-000023288 DS RIUMA. Repositorio Institucional de la Universidad de Málaga RD 14 abr 2026