Linked Open Data Specialist

keystone-solutions; Brussel; Sur place; EUR 70 000 - 95 000; Temps partiel

Résumé du poste

Keystone Solutions seeks a Linked Open Data Specialist for a consultancy engagement at a client site in Belgium. You will transform BelgoNyms data into Linked Open Data, working with domain experts to develop a conceptual and semantic model and align with standards.

You will identify vocabularies, reference data, and interoperability opportunities, define governance for URIs/IRIs, and propose an end-to-end architecture and roadmap. This is a 5-month, part-time assignment starting ASAP.

Qualifications

• Conceptual modeling of data structures and relationships.
• Semantic modeling and ontology alignment with vocabularies.
• Facilitating workshops to capture business requirements and constraints.
• Knowledge Graph concepts and LOD objectives for data integration.
• Experience with Linked Open Data (LOD) principles and implementations.
• Designing ontologies and interoperability across systems.
• Proficiency with RDF/OWL/SKOS/SPARQL for modeling and querying.
• Governance of URIs/IRIs and naming conventions.

Responsabilités

• Conduct strategic and technical study to transform BelgoNyms data into Linked Open Data.
• Develop a documented conceptual model with diagrams (UML, RDF, or equivalent).
• Identify relevant ontologies and vocabularies; align with standards.
• Define use cases, stakeholders and competency questions to validate the model.
• Identify external reference data and interconnection possibilities (Wikidata, GeoNames, INSPIRE).
• Propose a governance strategy for URIs/IRIs and data identifiers.
• Evaluate RDF modeling tools and data publication architectures; propose a target architecture.
• Define implementation phases, dependencies, risks and a final recommendations roadmap.

Connaissances

Conceptual Modeling

Semantic Modeling

Facilitating workshops

Knowledge Graphs

Linked Open Data

Ontology Design

RDF/OWL/SPARQL

URI Governance

Description du poste

Mission Overview:

Keystone Solutions is seeking a Linked Open Data Specialist for a consultancy mission at a client site. The consultant will work closely with domain experts and data specialists to prepare the transformation of BelgoNyms data into Linked Open Data (LOD).

Key Responsibilities:

• Conduct a strategic and technical study to prepare the transformation of BelgoNyms data into Linked Open Data.
• Conceptual Modeling:
  • Analyze BelgoNyms data and its structure.
  • Identify business entities, attributes, and relationships.
  • Produce a documented conceptual model.
  • Create necessary diagrams and graphical representations (UML, RDF, or equivalent).
• Semantic Modeling:
  • Identify relevant ontologies and vocabularies.
  • Evaluate existing standards.
  • Align the business model with selected vocabularies.
  • Identify necessary semantic extensions.
  • Define a target semantic model.
• Use Cases and Business Needs:
  • Identify stakeholders.
  • Facilitate workshops.
  • Inventory and prioritize use cases.
  • Define competency questions to validate the model.
• Reference Data and Interconnection:
  • Identify relevant external reference data.
  • Evaluate alignment possibilities with reference sources.
  • Identify interconnection opportunities with reference data sources such as Wikidata, GeoNames, or INSPIRE.
  • Formulate interoperability recommendations.
• Governance of Identifiers:
  • Define a governance strategy for URIs/IRIs.
  • Recommend mechanisms to ensure the stability and sustainability of identifiers.
  • Define naming conventions and management rules.
• Architecture and Technologies:
  • Evaluate RDF modeling and transformation tools.
  • Evaluate solutions for data publication and storage.
  • Propose a target architecture.
  • Recommend the most suitable tools for the client's context.
• Roadmap:
  • Define implementation phases.
  • Identify dependencies and risks.
  • Establish indicative planning.
  • Formulate final recommendations.

As a consultant at Keystone Solutions, you will engage in dynamic projects that offer diverse challenges across various client environments. This role provides turbo-charged learning opportunities and supports your skyrocketing ambition for career growth. Being a

Duration:

As soon as possible - 29/01/2027 5 months (part time 2/5)

Skills required:

• Conceptual and Semantic Modeling - Level: Confirmed - Most recent: 1 to 3 years ago
• Facilitating workshops and defining business requirements - Level: Confirmed - Most recent: Any time
• GeoSPARQL/INSPIRE/geographical data - Level: Junior - Most recent: Any time
• Interoperability and alignment of standards - Level: Confirmed - Most recent: 1 to 3 years ago
• Knowledge Graphs - Level: Confirmed - Most recent: 1 to 3 years ago
• Linked Open Data (LOD) - Level: Confirmed - Most recent: This year
• Ontology Design - Level: Confirmed - Most recent: 1 to 3 years ago
• RDF, OWL, SKOS, SPARQL - Level: Confirmed - Most recent: 1 to 3 years ago
• URI/IRI Governance - Level: Confirmed - Most recent: 1 to 3 years ago

Language requirements:

Dutch or French
Level Active knowledge
English
Level Passive knowledge