Integrating, Indexing and Querying the Tangible and Intangible Cultural Heritage Available Online: The QueryLab Portal. 13. https://doi.org/10.3390/info13050260
. Stewart, R., Zhelev, Y., & Monova-Zheleva, M. Development of Digital Collections of Intangible Cultural Heritage Objects - Base Ontology. 11, 51-56. Bulgarian Academy of Sciences, Institute of Mathematics and Informatics. Recuperado de https://www.scopus.com/inward/record.uri?eid=2-s2.0-85118681597&partnerID=40&md5=5f1f2f090eaafbcb90ccf7789689a4f4