Query a knowledge graph
Find facts and patterns in graph data using structured graph queries.
Desired outcome
Answers drawn from explicit graph relationships.
Explore from the outcome
Where this function can lead
These documented connections are starting points for selection, not a ranked list.
Ways to do it
Methods that can help achieve this outcome.
- SPARQL graph query
Use graph patterns to retrieve and combine facts from RDF datasets.
Link evidence: Apache Jena Fuseki quickstart
Tools and services
Software or services that can put a method to work.
- Amazon Neptune
Managed graph database service with an RDF/SPARQL interface.
Link evidence: Amazon Neptune SPARQL HTTP API
- Apache Jena Fuseki
Server that publishes RDF datasets for SPARQL queries.
Link evidence: Apache Jena Fuseki quickstart
Specifications and guidance
Standards and frameworks relevant to the work.
- SPARQL 1.1
W3C query language for retrieving patterns from RDF graph data.
Link evidence: SPARQL 1.1 Query Language
Typical inputs
- RDF graph and graph-pattern query
Typical outputs
- Matching bindings or graph results
Sources
Last reviewed 2026-09-30