Aggregating coin find data to the ARIADNE+ portal: Challenges of a specialist domain

Integration of data on coin finds into the ARIADNE portal presents a number of challenges, partly because the data is being provided not from primarily numismatic projects and institutions, but rather from disparate archaeological resources that integrate a wide range of artefacts and records. As a result, there is generally little focus on more specialised aspects of the numismatic data. This presentation looks at the issues with the Getty AAT with respect to numismatic data and also with using CIDOC CRM for modelling. Potentially, many of these problems can be mitigated by using the Nomisma vocabulary and ontology. For example, the vocabulary aims to provide persistent identifiers for all required concepts, such as all the denominations of the Augustan coinage system for which Getty is incomplete. work is ongoing with colleagues from ARIADNEplus to investigate ways in which the Nomisma vocabulary and ontology can be integrated into the aggregation portal in order to provide more easily implemented and granular standardised modelling, thus increasing both the quantity and quality of accessible data. Already, as an interim measure, building on pre-existing models in the ARIADNE portal, a CIDOC-based model has been developed that is being tested on datasets from a number of different data providers