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B2SHARE: Record lifecycle and HTTP API| www.eudat.eu |
The document outlines the B2Share project funded by the European Union's Horizon 2020 program, which aims to facilitate the publication and sharing of research datasets. It describes the metadata management process, including schema validation and the use of JSON-LD to enable better mapping to existing standards. Additionally, it emphasizes the collaborative nature of communities involved in maintaining and validating metadata schemas.
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B2SHARE: Record lifecycle and HTTP API| www.eudat.eu |
- 1. www.eudat.euEUDAT receives fundingfrom the European Union's Horizon 2020 programme - DG CONNECT e-Infrastructures. Contract No. 654065 Record lifecycle and HTTP API on B2SHARE Digital Infrastructures for Research 2016 Nicolas Harraudeau CERN
- 2. B2Share GOAL: Publish researchdatasets
- 3. ! Community " Researcher Submits to Draft # Rejected metadata:title, description… $ Files % Publication Publication Workflow
- 4. ! Community " Researcher Submits to Draft " researcher # Rejected Search Harvest metadata: title, description… $Files Publication % External service Publication Workflow
- 5.
- 6. { "title": "Dendro lightweightontologies", "description": "A collection of...", ... } POST /api/records PUT /api/files/<BUCKET_ID>/<KEY> ! Community " Researcher Submits to REST API submission
- 7. Common Metadata Domain specificMetadata + (Title, Authors, License, Open Access…) Geographic Location, Spatial Resolution… Meteorology and Climate DRIHM Disease, Sex, Age, Study design… BBMRI Biomedical research Language, Country/Region… CLARIN Linguistic Different metadata for each scientific Domain
- 8. B2Share’s composite schemas ! Community A ! Community B title,description disease, sex " Researcher title, description disease, sex Metadata Community A Schema Version 14 Metadata Block Schema Version 3 disease, sex Submits to Maintained by Includes Validated by Every community has one versioned schema. It is composed of common fields and a set of metadata block schemas which are maintained by other (or the same) communities.
- 9. B2SHARE metadata validation title,description disease, sex Metadata Record is validated by its Schema when it is CREATED and UPDATED $schema: URL JSON Schema Record stores the reference to its JSON Schema
- 10. B2Share’s composite schemas GET“http://…/api/communities/<community_ID>/<version_nb>” 1 { 2 "properties": { 3 4 "title": "...", 5 "description": "...", 6 ... 7 8 "community_specific": { 9 10 "<schema_ID1>": { 11 "$ref": "http://.../api/schemas/<schema_ID1>/versions/5#/json_schema" 12 }, 13 14 "<schema_ID2>": { 15 "$ref": "http://.../api/schemas/<schema_ID2>/versions/3#/json_schema" 16 }, 17 ... 18 19 } 20 } 21 } { { Metadata Blocks Fields common to every dataset}
- 11. Support better mappingto existing standards by using JSON-LD in schemas and/or metadata. Enable easy schema bootstrap from existing standards when they use JSON-LD or RDF. Publish the schemas on EUDAT Data Type Registry. Possible next steps
- 12. EUDAT eudat.org B2Share b2share.eudat.eu Inveniohttp://invenio-software.org/ JSON Schema http://json-schema.org/ JSON-LD’s JSON Schema http://json-ld.org/schemas/jsonld- schema.json Links and bibliography