from-negatives-to-knowledge
🔗 Resources
This page provides reference materials, controlled vocabularies, and tools that support the RDF modeling and querying used in this workshop.
🔖 Core Vocabularies and Standards
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AgRelOn (Agent Relationship Ontology)
https://d-nb.info/standards/elementset/agrelon
Models social, familial, and professional relationships between agents. -
GeoNames Ontology
https://www.geonames.org/ontology/documentation.html
A geographical ontology and database that provides identifiers and structured descriptions for cities, regions, and physical features, supporting geographic context in linked data. -
OWL (Web Ontology Language)
https://www.w3.org/TR/owl2-primer/
A formal language for creating ontologies with rich semantics, including class hierarchies and constraints. -
RDF 1.1 Primer
https://www.w3.org/TR/rdf11-primer/
An introduction to modeling knowledge using RDF triples and serialization formats. -
RDFS (RDF Schema)
https://www.w3.org/TR/rdf-schema/
Provides mechanisms for describing groups of related resources and relationships between them. -
Schema.org
https://schema.org/
A common vocabulary used to describe entities such as people, organizations, events, and locations. -
SKOS (Simple Knowledge Organization System)
https://www.w3.org/TR/skos-reference/
Used to represent controlled vocabularies, including named concepts for people, places, and events. -
XSD (XML Schema Definition)
http://www.w3.org/2001/XMLSchema#
Defines data types used in RDF and XML, such as date, integer, and string, for consistent data typing.
🧰 Tools and Services
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CSV-2-RDF-Converter: https://github.com/darnelleMelvin/CSV-2-RDF-Converter
A Python script that converts CSV files into RDF triples in the .nt serialization format. -
DBpedia SPARQL Endpoint: https://dbpedia.org/sparql
A public endpoint to query structured data extracted from Wikipedia. -
OpenRefine + RDF Extension: https://openrefine.org/
A powerful tool for cleaning and transforming tabular data, including RDF export. -
Protégé (OWL Ontology Editor): https://protege.stanford.edu/
An open-source platform for building and exploring ontologies in OWL and RDF. -
Wikidata Query Service: https://query.wikidata.org/
A browser-based interface to write and test SPARQL queries on Wikidata.
