I want to disseminate the query by spreading the nodes like in the below query. Here I start with wd:Q12418(Mona Lisa) and I retrieve all propertie ...
I want to disseminate the query by spreading the nodes like in the below query. Here I start with wd:Q12418(Mona Lisa) and I retrieve all propertie ...
I'm trying to create a shacl based on the ontology that my organization is developing (in dutch): https://wegenenverkeer.data.vlaanderen.be/ The obje ...
I've set up some namespaces in virtuoso, but when I used jena to do sparql queries in virtuoso, some namespaces were not abbreviated: @prefix sio: ...
So I am new to the world of the semantic web, RDF's and Ontologies How does the process of creating knowledge graphs work? Say I want to create knowle ...
I know that the following remote HTTP IRI can be parsed directly with 'curl http://xxx' because they return RDF data directly: https://www.w3.org/ ...
RDF IRI such as: https://www.w3.org/1999/02/22-rdf-syntax-ns https://www.dublincore.org/specifications/dublin-core/dcmi-terms/dublin_core_terms. ...
I like to download the individuals that I have created in Protégé and upload them in GraphDB as a file. When I downloaded the whole ontology, I saw th ...
How to show "2022-09-12T00:00:01"^^xsd:dateTime only as 2022-09-12 or at least without ^^xsd:dateTime in my SPARQL results? ...
I am trying to get specific countries informations from geonames using "Linked Data HTW Chur sparql endpoint" (url: http://linkeddata.fh-htwchur.ch/lo ...
I have one table (FCT_POPULATION) with the following structure, representing a quantity of a range over the years for a single city. So, in the same y ...
Can someone explain to me the difference between skos:related and skos:relatedMatch predicates? My current understanding is that skos:related applies ...
I'm trying to define a sequence of action in OWL using protege. I have read the following topics: Modelling sequence order in OWL-DL ontology As ...
I've dataset pulled from a linked data platform. The dataset looks like this: label relationClass Organ ...
What I've gathered is that new posts are published by POSTing a JSON-LD Activity Streams object of type Note to an actor's outbox. The server will ...
I have a SPARQL federated query where I join data from wikidata and dbpedia. When I run the first two queries it takes reasonable time. However, when ...
I have the following JSON document (based on GitHub API output): { "@id": "https://github.com/octadocs/octadocs", "license": { "key": "mit", ...
I have the following scenario modelled in OWL: Producer ----producesResource---> Resource <------consumesResource ---- Consumer Producer, Reso ...
Are there some commonly used or standardized URI schemes or patterns that are used to identify SSL certificates, for example for description in linked ...
I am one inch away from the solution to my problem. I am attempting title case conversion of strings retrieved via SPARQL. I am using the REPLACE func ...
I have a graph of schema:ProductGroup and schema:ProductModel nodes, and I've written a frame to output it in a nested structure, conceptually similar ...