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Digital Solutions for European Numismatic Heritage

DigiNUMA is an interdisciplinary project (2021-2023) in Digital Humanities (DH), participatory heritage, semantic computing, museum collections management, and archaeological/numismatic studies addressing challenges in creating, publishing, and analysing archaeological cultural heritage ‘big data’. The project develops an ontological infrastructure and a methodological proof-of-concept model for finely-grained Linked Open Data (LOD) harmonisation across national and international databases that contain archaeological finds data in Finland, the U.K., and EU. The temporal focus of the project is on medieval times and Viking age.


Our goal is to create and test through data analysis a data model for international numismatic data, apply it to Finnish and international archaeological coin collections (British Museum / Portable Antiquities Scheme (PAS)), and test/show its usability in Digital Humanities research and applications for the public.

Research Question

What new research potential for transnational archaeological/cultural heritage research is unlocked through the creation of a proof-of-concept LOD data model and data service for numismatic data?


The datasets researched include the PAS database, coin data in the FHA’s archaeological collections and in the Coin Chamber of the National Museum of Finland, and coin finds data in the Ilppari reporting service of the Finnish Heritage Agency (FHA).


We develop methods for Digital Humanities (DH) analysis and visualization, semantic web technologies, and Knowledge Discovery.


Proof of concept linked data model and datasets conforming to it and Nomisma.org ontology for FHA and British Museum collection data. A data service and portal demonstrator "CoinSampo" based on applying the Sampo model. Peer reviewed scientific articles.

Wider Importance

DigiNUMA supports ongoing international efforts for creation of transnational DH Cultural Heritage databases, web services, and citizen science archaeology programs. The work contributes to the ongoing DARIAH-EU inftrastructure work and Pan-European AriadnePlus.eu programmes that the team participates currently in.

Project Consortium

Our work is funded by the Jenny and Antti Wihuri Foundation, Helsinki Institute for Social Sciences and Humanities, and Aalto University.

Research Team at the University of Helsinki and Aalto University

Advisory Board

The DigiNUMA Advisory Board includes Professor Michael Lewis (British Museum), Dr David Wigg-Wolf (German Archaeological Institute and Nomisma.org), Dr Frida Ehrnsten (National Museum of Finland) and Ville Rohiola (Curator at Archaeological Collection, FHA) acting as external advisors.

Studying Viking Age dirhems at the Coin Cabinet of the National Museum of Finland. From left to right, Eljas Oksanen, Frida Ehrnsten, Heikki Rantala and an apprentice of the Cabinet. Foto: Eero Hyvönen.



Eljas Oksanen, Heikki Rantala, Jouni Tuominen, MIchael Lewis, David Wigg-Wolf, Frida Ehrnsten and Eero Hyvönen: Digital Humanities Solutions for Pan-European Numismatic and Archaeological Heritage Based on Linked Open Data. 6th Digital Humanities in Nordic and Baltic Countries Conference, short paper, March, 2022. Accepted. bib
Heikki Rantala, Esko Ikkala, Jouni Tuominen, Eero Hyvönen, Ville Rohiola, Eljas Oksanen and Mikko Koho: FindSampo: A Linked Data Based Service for Analyzing and Disseminating Archaeological Finds. 6th Digital Humanities in Nordic and Baltic Countries Conference, poster paper, March, 2022. Accepted. bib
Heikki Rantala, Esko Ikkala, Ville Rohiola, Mikko Koho, JouniTuominen, Eljas Oksanen, Anna Wessman and Eero Hyvönen: FindSampo: A Linked Data Based Portal and Data Service for Analyzing and Disseminating Archaeological Object Finds. 2022. Submitted for review. bib pdf


Eero Hyvönen, Heikki Rantala, Esko Ikkala, Mikko Koho, Jouni Tuominen, Babatunde Anafi, Suzie Thomas, Anna Wessman, Eljas Oksanen, Ville Rohiola, Jutta Kuitunen and Minna Ryyppö: Citizen Science Archaeological Finds on the Semantic Web: The FindSampo Framework. Antiquity, A Review of World Archaeology, vol. 95, no. 382, pp. e24, Cambridge University Press, August, 2021. bib pdf link
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