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Ref guide: clarify docs for ACORN filtered vector search - #5162

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adamjq:update-solr-ref-guide-dense-vector-acorn
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adamjq wants to merge 1 commit into
apache:mainfrom
adamjq:update-solr-ref-guide-dense-vector-acorn

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@adamjq adamjq commented Oct 15, 2026

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This PR makes a minor change to the filtered vector search (ACORN) section of the Solr Dense Vector ref guide. It removes part of a sentence that says ACORN modifies the construction of the HNSW graph.

The original ACORN paper does mention a variant that uses a modified HNSW graph (ACORN-γ), but that isn't used in the Lucene implementation used by Solr (Lucene GitHub issue: apache/lucene#13940). Solr uses an implementation that is search-time only.

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adamjq marked this pull request as ready for review October 15, 2026 14:49
@github-actions github-actions Bot added the documentation Improvements or additions to documentation label Oct 15, 2026
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