Thomas R. Gruber. A translation approach to portable ontology specifications. „Knowledge Acquisition”. 5 (2), s. 199–220, 1993. DOI: 10.1006/knac.1993.1008. ISSN1042-8143.
Woznowski PR, Tonkin EL, Flach PA. Activities of Daily Living Ontology for Ubiquitous Systems: Development and Evaluation. Sensors (Basel). 2018;18(7):2361. Published 2018 Jul 20. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6068475/
Thomas R. Gruber. A translation approach to portable ontology specifications. „Knowledge Acquisition”. 5 (2), s. 199–220, 1993. DOI: 10.1006/knac.1993.1008. ISSN1042-8143.
Tim Berners-Lee, James Hendler, Ora Lassila. The Semantic Web. „Scientific American”, 2001. ISSN0036-8733.brak numeru strony