Welcome to The Format Registry: A linked data file format registry.
The work is the result of a four-day hack during November 2013. Its goal is to challenge the status quo, to influence the rapid development of further format registries and other linked open data initiatives within the digital preservation community.
The focus of this project will be on the data and the augmenting of what is currently available.
There will be blogs and discussions on the architecture of this site on my primary host @ exponentialdecay.co.uk
GitHub: exponential-decay/the-format-registry
While this notice is up the persistence of the links cannot be guaranteed. There are mechanisms still to be built which will provide guarantee. At present the application reads the data from source, and maps it, but cannot guarantee 'subject' mapping. Thus far the work has focused on export, vocabulary, and link redirection.
File formats: http://the-fr.org/id/file-format/{no}
e.g. http://the-fr.org/id/file-format/456
Definitions: http://the-fr.org/def/format-registry/{Class}
e.g. http://the-fr.org/def/format-registry/FileFormat
Properties: http://the-fr.org/prop/format-registry/{property}
e.g. http://the-fr.org/prop/format-registry/puid
Alt. formats: http://the-fr.org/data/file-format/{no}.(rdf | json | ttl | tsv | html)
e.g. http://the-fr.org/data/file-format/456.rdf
e.g. http://the-fr.org/data/file-format/456.json
N.B. Predicate data is not currently handled via .htaccess please use the SPARQL endpoint.
List raster image formats: Query
select distinct ?s ?label where
{
?s <http://the-fr.org/prop/format-registry/formatType> <http://the-fr.org/def/format-registry/RasterImage> .
?s <http://www.w3.org/2000/01/rdf-schema#label> ?label .
}
limit 200
Count the number of raster image formats: Query
select (count(?s) as ?rastercount) where
{
?s <http://the-fr.org/prop/format-registry/formatType> <http://the-fr.org/def/format-registry/RasterImage> .
?s <http://www.w3.org/2000/01/rdf-schema#label> ?label .
}
limit 250
List of properties used across the database: Query
select distinct ?p where
{
?s ?p ?o .
}
limit 200
The .NT files are a product of the mapping process, atm: DOWNLOAD FROM SOURCE => MAP TO .NT => LOAD INTO TRIPLESTORE. They might be useful in their own right to some. Currently unzipped.
Format triples: tfr-format-triples.nt
Format ontology triples: tfr-ontology-triples.nt
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