https://w3id.org/np/RAV5S4SSzpEcGg3pbzCqH9HkEpLYIsx62AKsTKUi1mjGw/Head https://w3id.org/np/RAV5S4SSzpEcGg3pbzCqH9HkEpLYIsx62AKsTKUi1mjGw http://www.nanopub.org/nschema#hasAssertion https://w3id.org/np/RAV5S4SSzpEcGg3pbzCqH9HkEpLYIsx62AKsTKUi1mjGw/assertion https://w3id.org/np/RAV5S4SSzpEcGg3pbzCqH9HkEpLYIsx62AKsTKUi1mjGw http://www.nanopub.org/nschema#hasProvenance https://w3id.org/np/RAV5S4SSzpEcGg3pbzCqH9HkEpLYIsx62AKsTKUi1mjGw/provenance https://w3id.org/np/RAV5S4SSzpEcGg3pbzCqH9HkEpLYIsx62AKsTKUi1mjGw http://www.nanopub.org/nschema#hasPublicationInfo https://w3id.org/np/RAV5S4SSzpEcGg3pbzCqH9HkEpLYIsx62AKsTKUi1mjGw/pubinfo https://w3id.org/np/RAV5S4SSzpEcGg3pbzCqH9HkEpLYIsx62AKsTKUi1mjGw http://www.w3.org/1999/02/22-rdf-syntax-ns#type http://www.nanopub.org/nschema#Nanopublication https://w3id.org/np/RAV5S4SSzpEcGg3pbzCqH9HkEpLYIsx62AKsTKUi1mjGw/assertion https://doi.org/10.25504/FAIRsharing.rYgXhw http://schema.org/url http://ivoa.net/documents/ObsCore/index.html https://doi.org/10.25504/FAIRsharing.rYgXhw http://www.w3.org/1999/02/22-rdf-syntax-ns#type https://w3id.org/fair/fip/terms/Available-FAIR-Enabling-Resource https://doi.org/10.25504/FAIRsharing.rYgXhw http://www.w3.org/1999/02/22-rdf-syntax-ns#type https://w3id.org/fair/fip/terms/FAIR-Enabling-Resource https://doi.org/10.25504/FAIRsharing.rYgXhw http://www.w3.org/1999/02/22-rdf-syntax-ns#type https://w3id.org/fair/fip/terms/FAIR-Specification https://doi.org/10.25504/FAIRsharing.rYgXhw http://www.w3.org/1999/02/22-rdf-syntax-ns#type https://w3id.org/fair/fip/terms/Metadata-schema https://doi.org/10.25504/FAIRsharing.rYgXhw http://www.w3.org/2000/01/rdf-schema#comment This document defines the core components of the Observation data model that are necessary to perform data discovery when querying data centers for astronomical observations of interest. It exposes use-cases to be carried out, explains the model and provides guidelines for its implementation as a data access service based on the Table Access Protocol (TAP). It aims at providing a simple model easy to understand and to implement by data providers that wish to publish their data into the Virtual Observatory. This interface integrates data modeling and data access aspects in a single service and is named ObsTAP. In this document, the Observation Data Model Core Components (ObsCoreDM) defines the core components of queryable metadata required for global discovery of observational data. It is meant to allow a single query to be posed to TAP services at multiple sites to perform global data discovery without having to understand the details of the services present at each site. 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