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SPARQL 1.1 query service wrapping pub/sub triples interface Add a backend-agnostic SPARQL query service that parses SPARQL queries using rdflib, decomposes them into triple pattern lookups via the existing TriplesClient pub/sub interface, and performs in-memory joins, filters, and projections. Includes: - SPARQL parser, algebra evaluator, expression evaluator, solution sequence operations (BGP, JOIN, OPTIONAL, UNION, FILTER, BIND, VALUES, GROUP BY, ORDER BY, LIMIT/OFFSET, DISTINCT, aggregates) - FlowProcessor service with TriplesClientSpec - Gateway dispatcher, request/response translators, API spec - Python SDK method (FlowInstance.sparql_query) - CLI command (tg-invoke-sparql-query) - Tech spec (docs/tech-specs/sparql-query.md) New unit tests for SPARQL query |
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| trustgraph | ||
| pyproject.toml | ||
| README.md | ||