Papers › CHAD-KG: A Knowledge Graph for Representing Cultural Heritage Objects and Digitisation Paradata
CHAD-KG: A Knowledge Graph for Representing Cultural Heritage Objects and Digitisation Paradata
Sebastian Barzaghi, Arianna Moretti, Ivan Heibi, Silvio Peroni
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This paper presents CHAD-KG, a knowledge graph designed to describe bibliographic metadata and digitisation paradata of cultural heritage objects in exhibitions, museums, and collections. It also documents the related data model and materialisation engine. Originally based on two tabular datasets, the data was converted into RDF according to CHAD-AP, an OWL application profile built on standards like CIDOC-CRM, LRMoo, CRMdig, and Getty AAT. A reproducible pipeline, developed with a Morph-KGC extension, was used to generate the graph. CHAD-KG now serves as the main metadata source for the Digital Twin of the temporary exhibition titled \emph{The Other Renaissance - Ulisse Aldrovandi and The Wonders Of The World}, and other collections related to the digitisation work under development in a nationwide funded project, i.e. Project CHANGES (https://fondazionechanges.org). To ensure accessibility and reuse, it offers a SPARQL endpoint, a user interface, open documentation, and is published on Zenodo under a CC0 license. The project improves the semantic interoperability of cultural heritage data, with future work aiming to extend the data model and materialisation pipeline to better capture the complexities of acquisition and digitisation, further enrich the dataset and broaden its relevance to similar initiatives.
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