3 of 3 Contract SPARQL Jobs in London

cases, queries and workflows Establish maintenance process and build governance layer Required Skills: Experience in ontology Experience with semantic standards (RDF, OWL, SHACL, SPARQL) Experience using ontology management platforms Experience with AI systems Experience with Large Language Models (LLMs) NLP knowledge Aware of how ontologies feed into AI systems ...

Skills: Graph Database Technologies Graph Platforms Query Languages Graph Modelling Neo4j (Enterprise) Amazon Neptune Stardog GraphDB (Ontotext) TigerGraph Azure Cosmos DB (Gremlin API) Cypher SPARQL 1.1 Gremlin GQL (ISO standard) openCypher SPARQL Update Property graph modelling RDF graph modelling Labelled property graphs Hypergraph structures Entity resolution Graph schema design Data … where data accuracy and platform reliability are critical Highly Desirable: Experience with GraphRAG patterns and graph-based semantic retrieval for AI agents Familiarity with SPARQL and RDF-based graph platforms alongside property graph experience AWS cloud architecture experience, particularly Neptune, Glue and Lambda Background in financial services, private equity ...

programme Own the enterprise taxonomy, managing it as a versioned, governed asset with clear change control and documented rationale Create and maintain SPARQL queries to validate the integrity and consistency of the ontology Work closely with the Knowledge Graph Architect to ensure semantic models translate correctly into graph structures Collaborate … Validation Reasoning & Logic OWL 2 (DL, EL, RL profiles) RDF/RDFS SKOS SHACL OWL Manchester Syntax Turtle/N-Triples/JSON-LD SPARQL 1.1 SHACL constraint authoring SPARQL reasoning queries Ontology validation tooling Shape expressions (ShEx) Description Logic OWL reasoning (HermiT, Pellet, FaCT ) Inference rule design Formal concept ...