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Assess the quality of SKOS or SKOS-XL vocabularies

SKOS data

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Supported extensions : .rdf, .ttl, .nt, .n3, .trig, .trix. Other extensions will be interpreted as RDF/XML. Don't use the ".skos" extension !
Looking for a test file ? here is a list of continents. You can also create SKOS from Excel using the SKOS Play converter.


anr
Finds concepts with multiple or identical notations within the same concept scheme.
bl
Broken links.
chr
Finds concepts that are hierarchically related to each other.
dcc
Finds sets of concepts that are isolated from the rest of the vocabulary.
dlv
Finds resources with identical entries for different label types.
el
Finds empty labels or labels containing only whitespaces.
hr
Finds broader/narrower relations over multiple hierarchy levels.
husv
Finds triple subjects that are no HTTP URIs.
ilc
Finds concepts lacking description in languages that are present for other concepts.
ipl
Finds resources with more then one prefLabel per language.
ml
Finds concepts and conceptSchemes with missing labels.
mol
Finds concepts that are not linked to other vocabularies on the Web.
mri
Finds concepts within the same concept scheme that are related by a mapping relation.
ncl
Checks for common languages in all concept literals.
oc
Finds all orphan concepts, i.e. those not having semantic relationships to other concepts.
oilt
Finds omitted or invalid language tags of text literals.
ol
Finds concepts with similar (identical) labels.
otc
Finds skos:ConceptSchemes that don't have top concepts defined.
rc
Covers condition S27 from the SKOS reference document (Associative vs. Hierarchical Relation Clashes).
rrc
Finds concepts that are related to themselves.
strc
Concepts only related by skos:broaderTransitive or skos:narrowerTransitive.
tchbc
Finds top concepts internal to the vocabulary hierarchy tree.
uc
Finds concepts that don't use any SKOS documentation properties.
ucil
Finds concepts having labels that contain unprintable characters.
urc
Concepts not including reciprocal relations
usr
Finds 'invented' new terms within the SKOS namespace or deprecated properties.
var
Finds sibling concept pairs that are also connected by an associative relation.