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Science Demonstrator 8 addresses a common problem identifying in-situ observation sites across RIs. It can be challenging to identify synergies and potential collaboration between different in-situ environmental research infrastructures for cross-RI activities due to a lack of a common site registry. DEIMS-SDR (deims.org) not only acts as a RI-independent site registry, but also issues unique, persistent and resolvable identifiers that can be used to easily detect co-location and overlaps in different RIs. Site information can be extracted using standardised OGC services like WFS or CSW and therefore addresses the requirements for curation and cataloguing defined in use case IC8. DEIMS-SDR is also used in task 12.3.3 for the supply of site information with the aim to come up with a proof of concept for a federated site concept.

Science Demonstrator 9 shows a pilot implementation about a ENVRIplus PROV-Template registry and extension service. PROV-Template is a proposed standard for converting existing process output such as log files into representations following the PROV Data Model (PROV-DM) specification for describing provenance of electronic resources in machine readable, structured form. Besides the potential advantage that existing process implementations can be enabled to generate PROV-DM conforming data without the need to change their underlying codebase, the general notion of using templates for describing provenance traces for recurring workflows can be used to foster interoperability and best practices for provenance data generation across individual communities. Following this motivation, the ENVRIplus PROV-Template registry and expansion service prototype has been designed as public platform for describing, storing and sharing PROV-Templates across members of different RI, including a dedicated Web API for instantiating stored templates with individual data.

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