Ontology-based affective models to organize artworks in the social semantic web.

•Emotions evoked by artworks are captured by emotion analysis of social tags.•An OWL 2 ontology based on Plutchik’s circumplex model of emotions is developed.•Ontologies, linked data and affective lexicons are combined in a novel framework.•Emotion-driven organization and access to online art collections is enabled.•The proposal is applied to a real dataset of tagged multimedia artworks.