tg-graph-to-turtle

Exports knowledge graph data to Turtle format with RDF-star support.

Synopsis 

tg-graph-to-turtle [options]

Description

Streams triples from the knowledge graph and outputs them in Turtle format to stdout. Supports RDF-star quoted triples, typed literals, and language-tagged literals.

Options

Option Default Description
-u, --api-url URL $TRUSTGRAPH_URL or http://localhost:8088/ API URL
-t, --token TOKEN $TRUSTGRAPH_TOKEN Authentication token
-f, --flow-id ID default Flow ID
-U, --user USER trustgraph User identifier
-C, --collection COLLECTION default Collection to export
-l, --limit N 10000 Maximum triples
-b, --batch-size N 20 Triples per streaming batch

Examples 

# Export to stdout
tg-graph-to-turtle

# Export to file
tg-graph-to-turtle > knowledge-graph.ttl

# Export specific collection
tg-graph-to-turtle -C research-data > research.ttl

Environment Variables

  • TRUSTGRAPH_URL: Default API URL
  • TRUSTGRAPH_TOKEN: Default authentication token