authors SEVILLA SALCEDO, JAVIER QUISPE FLORES, MIGUEL ANGEL CARRASCO MARTINEZ, SARA GOMEZ JIMENEZ, JAIME CASTILLO MONTOYA, JOSE CARLOS CASTRO GONZALEZ, ALVARO MALFAZ VAZQUEZ, MARIA ANGELES SALICHS SANCHEZ-CABALLERO, MIGUEL
keywords ontology generation; semantic knowledge; hierarchical clustering; social robots; decision-making system; human-robot interaction; cognitive stimulation