Keywords
KTI-organizacion (GITI-O), Palabras clave: Predicción de precios de acciones, Inteligencia artificial, Procesamiento del lenguaje natural (NLP), Coocurrencias de palabras, Narrativa periodística, IBEX35, IBEX-Energy, Endesa, Sector energético, Correlación de Pearson, Keywords: Stock price prediction, Artificial intelligence, Natural Language Processing (NLP), Word co-occurrences, News narrative, IBEX35, IBEX-Energy, Endesa, Energy sector, Pearson correlation.