Drafts of the Heritage Digital Twin ontology evolve to support digital commons and cultural identity in heritage sites.
This report consists of the first and second drafts of the Heritage Digital Twin ontology (HDTO), published in June 2025 and February 2026, developed as the base data model for enabling the ECHOES’ “digital commons”, addressed here as “Heritage Digital Twins” and defined as: “The state-of-the-art of digital information about a real-world heritage asset, with its tangible and intangible components, describing its properties and capturing its space-time-culture identity, formally organised in a semantic framework and described by the CRM - based ontology (HDTO)” The final version of the Heritage Digital Twin Ontology will be published by June 2026 (D7.1)
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Hermon et al. (2025) studied this question.
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