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    Harmonising, Harvesting, and Searching Metadata Across a Repository Federation
    (Hannover : TIB Open Publishing, 2023) Neumann, Steffen; Bach, Felix; Castro, Leyla Jael; Fischer, Tillmann; Hofmann, Stefan; Huang, Pei-Chi; Jung, Nicole; Katabathuni, Bhavin; Mauz, Fabian; Meier, René; Nainala, Venkata Chandra Sekhar; Rayya, Noura; Steinbeck, Christoph; Koepler, Oliver
    The collection of metadata for research data is an important aspect in the FAIR principles. The and Bioschemas initiatives created a vocabulary to embed markup for many different types, including BioChemEntity, ChemicalSubstance, Gene, MolecularEntity, Protein, and others relevant in the Natural and Life Sciences with immediate benefits for findability of data packages. To bridge the gap between the worlds of semantic-web-driven JSON+LD metadata on the one hand, and established but separately developed interface services in libraries, we have designed an architecture for harmonising, federating and harvesting metadata from several resources. Our approach is to serve JSON+LD embedded in an XML container through a central OAI-Provider. Several resources in NFDI4Chem provide such domain-specific metadata. The CKAN-based NFDI4Chem search service can harvest this metadata using an OAI-PMH harvester extension that can extract the XML-encapsulated JSON+LD metadata, and has search capabilities relevant in the chemistry domain. We invite the community to collaborate and reach a critical mass of providers and consumers in the NFDI.
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    Digitalizing the Chemical Landscape: A Comprehensive Overview and Progress Report of NFDI4Chem
    (Hannover : TIB Open Publishing, 2023) Koepler, Oliver; Steinbeck, Christoph; Bach, Felix; Herres-Pawlis, Sonja; Jung, Nicole; Liermann, Johannes; Neumann, Steffen; Razum, Matthias
    The Chemistry consortium NFDI4Chem aims to digitalise key steps in chemical research, supporting scientists in managing research data throughout its life cycle. The SmartLab, embedded in a federation of services, integrates various tools such as electronic lab notebooks, data repositories, and search services, to create a smart lab environment for structured data gathering. Utilizing terminology services and adhering to data format standards, NFDI4Chem promotes secure and FAIR data sharing, fostering collaboration and expediting scientific discoveries. This development is supported by community building measures, workshops, and training initiatives, along with collaboration on international minimum information standards.