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The SPARQL query engine can run out of memory when executing queries that use MINUS or EXISTS (e.g., FILTER…

The SPARQL query engine can run out of memory when executing queries that use MINUS or EXISTS (e.g., FILTER…: a task in LegoFlow-SWE (Harbor dataset). Currently, the engine seems to handle the case where the left side is smaller efficiently, but when the left side is larger it attempts to…

The task

Currently, the engine seems to handle the case where the left side is smaller efficiently, but when the left side is larger it attempts to materialize the entire large result set in memory, leading to out‑of‑memory errors.

Part of Lego-X/LegoFlow-SWE.