Alessandro Benedetti created SOLR-17736:
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Summary: Introduce support for KNN search on nested vector
documents
Key: SOLR-17736
URL: https://issues.apache.org/jira/browse/SOLR-17736
Project: Solr
Issue Type: New Feature
Components: query
Affects Versions: 9.8
Reporter: Alessandro Benedetti
This issue tracks the work of introducing the support for KNN search on nested
vector documents, surfacing the Lucene implementation in here:
https://github.com/apache/lucene/pull/12434
This allows both:
-KNN retrieval of children, applying parent filters with no denormalisation
needed
-KNN retrieval of parents (based on children KNN, children level prefiltering
and parent level prefiltering)
It's one way of having multi-valued vectors per field, per document in Solr.
More will come soon
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