Metadata specs
Which metadata do we need to describe a work?
Licenses #8 (closed)
Data model for Podcasts: https://hackmd.io/MCDTLRa-RViNbcxl6D7sog?view - how could we achieve mapping 1:n relations for collections or series?
Data collected in RC until now :
Titel Name Typ Genauer Typ
title Varchar varchar (255)
registrar n:1 Beziehung int
creator Varchar varchar (255)
subject Varchar varchar (255)
description Text text
publisher Varchar varchar (255)
contributors Text text
date Datum/Uhrzeit timestamp
type n:1 Beziehung int
format Varchar varchar (255)
identifier Varchar varchar (255)
relation Varchar varchar (255)
coverage Varchar varchar (255)
source Text text
license Varchar varchar (255)
license_addons Text text
filename Varchar varchar (255)
original_filename Varchar varchar (255)
hash Varchar varchar (255)
grid Varchar varchar (255)
certificate Varchar varchar (255)
counter Integer int
regdate Datum/Uhrzeit timestamp
language n:1 Beziehung int
public_certificate Varchar varchar (255)
visibility Integer int
hash_sha Varchar varchar (100)
creator_url Varchar varchar (255)
work_url Varchar varchar (255)
revocation_date Datum date
revocation_reason Text text
ccplus Varchar varchar (255)
price Float float
currency n:1 Beziehung int
voucher n:1 Beziehung int
The UI version in search https://www.registeredcommons.org/advsearch also has additional licensing fields to search for.
Activity
Datenmodell: Collections / Series
Type: Bild / Audio / Multimedia
Identifier: ISPN
GRID Beispiel: GRID: RC-01-LIZ0000003156-2
Counter: Nummerierung Werk
Public certificate: https://www.registeredcommons.org/document/7262539905.pdf
Visibilty: Werk öffentlich zugänglich
Revocation reason: Veröffentlichung wird zurückgezogen (Hide this work)
fairregister works metadata
draft
{ "title": "Mountains", // no special characters, not unique "registrar": "Lisa Kostrzewa", // who has registered, the work, we use an internal UUID which we map in the user metadata database // was field "creator", "registrar" "description": "A mountain landscape in Austria", "attribution": "LisK & Kira", // was field "contributors", to be used e.g. for giving attribution in CC license "publisher": "self", "subject": " ", // we will not use that field anymore in the UI "creation_date": 2022-03-15 10:00:31, // UTC? - see existing DB // date timestamp without time zone "type": "image", // set of: text, image, audio, video, mixed "license": "SPDX-License-Identifier: CC-BY-4.0", // in frontend also show link to the license, which we should find in the SPDX database. If full copyright, we write "registrar claims full copyright, no license granted" "license_addons": "", //e.g. additional rights, free text "identifier": "", //e.g. ISBN number "other_license": "Pixabay publishers", // ask Pixabay to obtain a license, or add a dual license (free text) "IPFS": " ", // ipfs URI "NFT": " ", // NFT-UID, URI to data in ipfs "filename": " ", "hash": " ", // md5, we do not use that anymore "hash_sha": " ", // sha256 "hash_sha512": " ", // NEW sha512 "revocation_date": " ", // additionally generate new hash? chain independent of the entries? design? java microservice revocation "revocation_reason": "", // revocation of a registration only under special circumstances e.g. proof of copyright infringement "registration_date": " ", // timestamp without time zone "tags": " ", "relation": " ", // also for collections "supersedes": " ", // new version of the work "counter": "3156", // subsequent number of work, not sure if we still need that "publishing_date":"2022-03-12", // date of broadcasting "grid": "RC-01-LIZ0000003156-2", // RC > FC / FR "public_certificate": "https://www.registeredcommons.org/document/1124800676.pdf", // if we generate some extra certificate, we put the URI here "language": "DE_de", // ISO ?? check DB "visibility": "yes", // work is public "customkey0": "2022-02-12", // date of archiving, specific to a user / type of work: audio > duration "customkey1": "", // free selectable attributes, sub-record in the DB, second table, attributes-array (Jasper) // "attributes": [ { "trait_type": "Base", "value": "Starfish" }, { "trait_type": "Eyes", "value": "Big" }, { "trait_type": "Mouth","value": "Surprised" }, ] "customkey2": "", "customkey3": "", "customkey4": "", "customkey5": "", "customkey6": "", "customkey7": "", "customkey8": "", "customkey9": "" }Edited by Kostrzewa Lisamentioned in issue #14
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Existing Registered Commons database structure: https://faircloud.eu/nextcloud/index.php/s/CrYHjpRW6Wtxnwr
Auf Arweave deployte Metadaten des "CHINA 2" NFT
{ "name": "CHINA 2", "symbol": "", "description": "HONEY", "seller_fee_basis_points": 2000, "image": "https://www.arweave.net/ziuegH7AdissNZfjbMObWXmXs1UkpFc1j4T0TdqRSvY?ext=png", "attributes": [ { "trait_type": "background color", "value": "red" }, { "trait_type": "text color", "value": "yellow" }, { "trait_type": "animal", "value": "bear" } ], "external_url": "", "properties": { "files": [ { "uri": "https://www.arweave.net/ziuegH7AdissNZfjbMObWXmXs1UkpFc1j4T0TdqRSvY?ext=png", "type": "image/png" } ], "category": "image", "creators": [ { "address": "HwEXrVG92WjeCRi1QsryP5yV76PCc7u9TuonhG4YUh63", "share": 100 } ] } }Latest version of metadata is now in the Wiki: https://git.fairkom.net/hosting/faircommons/-/wikis/metadata
Edited by Roland Alton-
Example for a stable link with grid: https://www.registeredcommons.org/grid/RC-01-LIZ0000002181-4
(was linked from a Wikipedia page in Weblinks, see previous version https://de.wikipedia.org/w/index.php?title=Kontenrahmen&oldid=229446396
New works registered at fairregister start with RC-FAREG - see #36 (closed).
Edited by Roland Alton
