I will write sparql queries for your owl ontology

Data Ontologist

Pakistan

I speak Urdu, English

Expert In Protege, OWL, RDF and Knowledge Graph Design

Welcome! I am a Data Ontologist and Knowledge Engineer specializing in Semantic Web technologies, advanced data modeling, and custom ontology development. Using the Protégé editor, I design robust o...
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About this Gig

Are you working with OWL 2 ontologies or RDF knowledge graphs and need professional SPARQL queries? You're in the right place.

I specialize in writing clean, accurate SPARQL queries for semantic web projectsranging from simple SELECT queries to complex data retrieval using FILTER, OPTIONAL, UNION, and aggregations.

WHAT I OFFER:

  • Simple & filtered SPARQL SELECT/CONSTRUCT queries
  • Object and data property pattern matching
  • Custom prefixes, schema.org, RDF/RDFS/OWL namespaces
  • Formatted output tables with expected results
  • Support for Protégé, GraphDB, and Apache Jena

MY EXPERTISE:

  • OWL 2 ontology engineering & reasoning
  • SPARQL 1.1 query language optimization
  • RDF, RDFS, OWL/XML, Turtle, and Manchester Syntax
  • Knowledge graph modeling & data extraction

WHY CHOOSE ME:

  • Specializing in Semantic Web & Knowledge Engineering
  • Real-world OWL 2 ontology & triplestore experience
  • Clean, reusable queries with clear inline documentation

TOOLS: Protégé · GraphDB · Apache Jena · OWL 2 · SPARQL 1.1

Message me before ordering to discuss your ontology structure!

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write sparql queries for your owl ontology
write sparql queries for your owl ontology
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Langugae:

English

Technical expertise:

Other

Expertise:

Data Integration

•

Data Governance

•

Data Modeling

Industry:

Biotech

•

Data analytics

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