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SPARQL (SPARQL Protocol and RDF Query Language) is the standard query language for graph data. Worlds API supports the full SPARQL 1.1 Client specification.

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Why SPARQL?

Unlike vector search, which gives you approximate matches based on meaning, SPARQL allows you to ask precise, structured questions about your data.
  • Exact Pattern Matching: Find exactly the nodes that fit the pattern.
  • Joins: Connect data across multiple relationships.
  • Filtering: Apply complex logic to filter results.

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Example

Find all people who know “Ethan”: 
SELECT ?personName WHERE {
  ?person <http://schema.org/knows> <http://example.org/ethan> .
  ?person <http://schema.org/name> ?personName .
}