“…Nowadays, the information stored in ontology-based knowledge bases has significantly grown and are being applied to different domains such as recommendation (Amini, Ibrahim, Othman, & Nematbakhsh, 2015; Carrer-Neto, Hernández-Alcaraz, Valencia-García, & García- Sánchez, 2012;Colombo-Mendoza, Valencia-García, Rodríguez-González, Alor-Hernández, & Samper-Zapater, 2015), information retrieval (Rodríguez-García, Valencia-García, García-Sánchez, & Samper-Zapater, 2014b), innovation management (Rodríguez-García, Valencia-García, Alcaraz-Mármol, & Carralero, 2014a), sentiment analysis (Peñalver-Martinez et al, 2014) , medicine (Ivanović & Budimac, 2014; Ruiz-Martínez, Valencia-García, Martínez-Béjar, & Hoffmann, 2012), human perception (Prieto-González, Stantchev, & Colomo-Palacios, 2014), and Customer Relationship Management (CRM) (García-Sánchez, Valencia-García, Martínez-Béjar, & Fernández-Breis, 2009) to mention but a few.…”