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The Alpine Foreland Basins bear a multitude of natural subsurface resources (geopotentials) which can contribute substantially to boost green energy. Sustainable planning and management of geopotentials requires a holistic, transnational and three-dimensional evaluation of the geological fundamentals. Facing different data availability and policy in the Geological Survey Organizations (GSOs) in charge, transnational collaboration calls for a maximum of coordination from the very beginning of the data preparation and the 3D modeling processes, based on concerted proceedings and best practice in seismic processing and interpretation, 3D modeling and geopotential assessment, and demands a geo data infrastructure for full interoperability among the partners and the dissemination of seamless results. This article outlines the objectives and scope of the GeoMol project and summarizes the state of the art of its achievements to provide cross-border harmonized information via a web accessible exchange and information system. RIASSUNTO I bacini sedimentari alpini di avanfossa-avampaese custodiscono risorse naturali e capacità di stoccaggio, i cosiddetti "geopotenziali", che possono essere valorizzati per lo sviluppo e la gestione sostenibile delle energie pulite. La gestione sostenibile dei geopotenziali richiede una valutazione olistica, transnazionale e tridimensionale delle informazioni geologiche. Affrontando la diversa disponibilità di dati e la diversa policy applicata dai Servizi Geologici incaricati della loro diffusione, le collaborazioni transnazionali sollecitano il massimo coordinamento delle attività: dall'iniziale preparazione dei dati alla modellazione 3D, basandosi su metodi condivisi e best practice di analisi e interpretazione delle linee sismiche, di modellazione e valutazione dei geopotenziali. Tali collaborazioni richiedono infrastrutture dati per la piena interoperabilità tra i partners e per la diffusione dei risultati. Questo lavoro presenta gli obiettivi del Progetto GeoMol e sintetizza l'attività svolta per garantire informazioni armonizzate tra nazioni confinanti, attraverso un sistema informativo e di scambio accessibile via web.

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<p>In geosciences, where nomenclature naturally has grown from regional approaches with limited cross-border harmonization, descriptive texts are often used for coding data whose meanings in the international context are not conclusively clarified. This leads to difficulties when cross border datasets are compiled. On one hand, this is caused by the national-language, regional and historical descriptions in geological map legends. On the other hand, it is related to the interdisciplinary orientation of the geosciences e.g. when concepts adopted from different areas have a different meaning. A consistent use and interpretation of data to international standards creates the potential for semantic interoperability. Datasets then fit into international data infrastructures. But what if the interpretation to international standards is not possible, because there is none, or existing standards are not applicable? Then efforts can be made to create machine-readable data using knowledge representations based on Semantic Web and Linked Data principles.</p><p>With making concepts reference able via uniform identifiers (HTTP URIs) and crosslinking them to other resources published in the web, Linked Data offers the necessary context for clarification of the meaning of concepts. This modern technology and approach ideally complements the mainstream GIS (Geographic Information System) and relational database technologies in making data findable and semantic interoperable.</p><p>GeoERA project (Establishing the European Geological Surveys Research Area to deliver a Geological Service for Europe, https://geoera.eu/) therefore provides the opportunity to clarify expert knowledge and terminology in the form of project specific vocabulary concepts on a scientific level and to use them in datasets to code data. At the same time, parts of this vocabulary might be later included in international standards (e.g. INSPIRE or GeoSciML), if desired. So called “GeoERA Project Vocabularies” are open collections of knowledge that, for example, may also contain deprecated, historical or only regionally relevant terms. In an ideal overall view, the sum of all vocabularies results in a knowledge database of bibliographically referenced terms that have been developed through scientific projects. Due to the consistent application of the data standards of Semantic Web and Linked Data nothing stands in the way of further use by modern technologies such as AI.</p><p>Project Vocabularies also could build an initial part of a future EGDI (European Geological Data Infrastructure, http://www.europe-geology.eu/) knowledge graph. They are restricted to linguistic labeled concepts, described in SKOS (Simple Knowledge Organization System) plus metadata properties with focus on scientific reusability.  In order to extend this knowledge graph, additionally they also could be supplemented by RDF data files to support project related applications and functionality.</p>