NOTE: This repo got replaced by zazuko/rdf-vocabularies. There will be no further updates here.
This repository contains a definition of predefined RDF vocabulary prefixes used in Uduvudu and related software.
It is extending RDFa Core Initial Context which provides base prefixes.
If this is useful for you, feel free to include it into your project. There are no other dependencies unless you want to build it on your own.
We provide four static files:
- A manually maintained Turtle file for prefixes, which are not in RDFa Core Initial Context. See rdf/uduvudu-context.ttl
- A snapshot of the RDFa Initial Context (in Turtle)
- A N-Tripes serialization containing prefixes and URIs (RDFa Initial Context and ours)
- A JSON-LD context serialization containing prefixes and URIs (RDFa Initial Context and ours)
While there is more information available in the Turtle file, we serialize only rdfa:prefix and rdfa:uri into N-Triples and JSON-LD. Currently the subject URIs are blank nodes.
To use it either source the N-Triples or JSON-LD representation into your application.
Please do not make this list available on a URI outside of Github for the moment. There is a fair chance we will do this on our own at one point. If you really really need it, open an issue so we can talk about it.
Each defined prefix is a mapping to an URI. It is a simple 1:1 mapping to make sure we get unambiguous results on shrinking and resolving URIs. Once a prefix is in this repository, it cannot be altered anymore within same MAJOR release according to Semantic Versioning 2.0.0.
This makes sure that within the same MAJOR release prefixes stay the same and do not break existing code. MINOR versions will be used for newly introduced prefixes, which can be requested by opening a pull request on Github.
If you are using tools like NPM you should block the MAJOR release number to be sure your code does not break in the future. MINOR and REVISION releases can be wildcards. In case you define your own additional prefixes you might want to block MINOR too to avoid clashes.
New prefixes can be added by opening a pull request on Github. For new requests, first check if the creator/owner of the namespace defined a prefix. If not check prefix.cc. In case prefix.cc is ambiguous a discussion should be raised before the pull-requests gets integrated. Last thing to check are the predefined namespaces in the DBpedia SPARQL endpoint or other popular RDF resources like LOV. If you find one please refer to it in the pull request.
If there are no conflicts, the RDFa Initial Context list will get updated on each release. In case of conflicts they will be resolved in the next MAJOR version where the RDFa Core Initial Context wins over Uduvudu prefixes.
The RDFa prefixes get sourced automatically; other prefixes are maintained in a Turtle file in this repository.
- 0.0.1: Initial version with base prefixes
- 0.0.3: Added tests for JSON-LD & added more prefixes
- Adrian Gschwend ktk@netlabs.org
- Pascal Mainini
- DBpedia & DERI (prefix.cc)
The MIT License (MIT)
Copyright (c) 2015-2017 netlabs.org, Zazuko GmbH
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