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Questions tagged [dcat]

For questions related to DCAT (abbreviation for Data Catalog): an RDF vocabulary designed to facilitate interoperability between data catalogs published on the Web. DCAT files are often used in open data publishing systems like CKAN or DKAN.

11 questions
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Nested SKOS Concept Schemes?

I'm trying to make a knowledge graph of sorts with some of my company's data. I'm primarily using SKOS as the ontology for describing things, but I'm running into a quandry about the usage of ConceptSchemes. Basically I want to create a concept…
Xedni
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Where is Project Open Data data.xml format defined

I would like to convert a dataset into Project Open Data data.xml format so that I can ingest in via the DKAN harvester. I know there is data.json format but prefer to use data.xml as the data is already XML and I am comfortable transforming it. I…
Ihe Onwuka
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How do I see my file after the CKAN DCAT plug-in has consumed it

I have consumed a turtle file into the CKAN dcat plugin extension via command line like so python ckanext-dcat/ckanext/dcat/processors.py consume glue.ttl -P -f n3 Is there supposed to be some json output in response to this because I am not…
Ihe Onwuka
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How do I convert a rdflib.term.URIRef back into a string that includes a namespace prefix?

I am working with rdflib. I am parsing Turtle files that include namespace prefixes. When I get my triples back from the SPARQL query, they contain rdflib.term.URIRef elements, which print as things like…
vy32
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Prior conditional on other prior

I am trying to sample two parameters (prior) from a categorical distribution ranging from 1 to 5000, theta[1] and theta[2] with the requirement that theta1 < theta2. I have tried (among other things): theta[1] ~ dcat(p1[]) p1[1:n] <- 1/n theta[2]…
blurt34
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Error on ckan plugin-info after installing ckanext-dcat

I have successfully installed CKAN 2.8 on Ubuntu 16.04. I have successfully installed the basic charts extension as well. When I run the ckan plugin-info at that point I get a nicely formatted output with no errors (see below.) However when I…
W. Vasu
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How do I consume and display a DCAT file on DKAN

I would like to use DKAN to consume a DCAT file containing a data catalog and display it on the UI but am not sure how to do this or where instructions to do this are documented.
Ihe Onwuka
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DCAT RDF Harvesting errors

I tried DCAT RDF Harvesting at ckan. General ckan harvesting works well, but DCAT RDF Harvesting does not seem to add many configuratin feature. How can I resolve this error and get data from https://www.europeandataportal.eu ?? Received harvest…
solgit
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Why does the warehouse_report field value disappear in the form submission after using if statement in Laravel 8 forms?

Dcat Admin dynamically displayed form with no value on submission Environment Mac OS Laravel: 8.83.27 PHP: 7.3 ##Description I use Form::make to generate a form, and part of the form is displayed by the parameters of the URL, for example, the…
fishShadow
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Self-Referencing Within RDF Files

I'm trying to load an RDF file into webvowl but am unable to see the relationships between resources as they are all "External". My understanding is that this is due to how I'm referencing the resources in the file (something I have not done…
Ayrton Bourn
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Sparql UNION returns Virtuoso 37000 Error SP031

I have the query shown below: SELECT DISTINCT ?dataset ?title WHERE { ?dataset a dcat:Dataset ; dcterms:title ?title ; dcterms:description ?description . { ?dataset dcterms:title ?title . ?title bif:contains…
fritten
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