1. RDF,
http://www.w3.org/RDF
2. OWL,
http://www.w3.org/TR/owl-features/
3. Strapparava, C., Valitutti, A.: WordNet-Affect: an Affective Extension of WordNet. In: Proceedings of the 4th International Conference on Language Resources and Evaluation, vol. 4, pp. 1083–1086 (2004)
4. Ptaszynski, M., Rzepka, R., Araki, K., Momouchi, Y.: A Robust Ontology of Emotion Objects. In: Proceedings of the Eighteenth Annual Meeting of The Association for Natural Language Processing (NLP 2012), pp. 719–722 (2012)
5. EmotionML,
http://www.w3.org/TR/emotionml/