shacl
3 Articles
SKOS Concept vs OWL Class: A Modeling Decision Test
A 2026 modeling test for SKOS concepts versus OWL classes, covering hierarchy semantics, punning, RDF fixtures, validation obligations and migration boundaries for context engineers.
October 6, 2026• 24 min read
skos concept vs owl classskosowl
Knowledge graph quality assessment for decisions
A 2026 guide to assessing whether a knowledge graph can support a named decision, with separate tests for correctness, coverage, freshness, provenance, uncertainty, and a reusable quality card.
September 24, 2026• 24 min read
knowledge graph quality assessmentknowledge graph qualitydata quality
Competency Questions: From Business Need to Ontology Test
A 2026 guide to ontology competency questions as traceability contracts, covering five CQ types, SPARQL and SHACL testing, fixtures, expected results, and regression evidence.
September 22, 2026• 24 min read
competency questions ontologyontology engineeringontology requirements