prometheus is a distributed digital image archive that currently makes more than 3,496,000 images of over 120 databases from institutes, research facilities and museums researchable on a common user interface.

Situated at the Institute of Art History of the University of Cologne, prometheus is supported by the non-profit association prometheus e.V. which promotes the ongoing developments of the digital media for science and research.

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Within the consortium NFDI4Culture, whose goal is to build a needs-oriented infrastructure for research data on material and intangible cultural assets in the National Research Data Infrastructure, the networking of the Culture Knowledge Graph advanced. This creates a connection between all research data in the subject areas from architecture, art and music to theater, dance, film and media studies.
prometheus is already integrated as a resource and the 26 Open -Access image databases accessed via the API, so that these will soon be integrated into the Culture Knowledge Graph.
Via the Interface (API) everyone has the opportunity to speak directly to pandora, the software from prometheus, the digital image archive, and perform the following actions: search, retrieve metadata and images, explore image collections, and upload images. Statistical queries are also possible.

An example of the query of metadata for individual images: „Aaron goes to meet Moses (Rieter window)“