s1monw commented on a change in pull request #2022:
URL: https://github.com/apache/lucene-solr/pull/2022#discussion_r521992111
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File path: lucene/core/src/java/org/apache/lucene/index/VectorValues.java
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@@ -74,6 +74,18 @@ public BytesRef binaryValue() throws IOException {
throw new UnsupportedOperationException();
}
+ /**
+ * Return the k nearest neighbor documents as determined by comparison of
their vector values
+ * for this field, to the given vector, by the field's search strategy. If
the search strategy is
+ * reversed, lower values indicate nearer vectors, otherwise higher scores
indicate nearer
+ * vectors. Unlike relevance scores, vector scores may be negative.
+ * @param target the vector-valued query
+ * @param k the number of docs to return
+ * @param fanout control the accuracy/speed tradeoff - larger values give
better recall at higher cost
Review comment:
@mikemccand it was pushed but removed again in
https://issues.apache.org/jira/browse/LUCENE-9257 a little while ago. I get why
it's removed but it seems useful maybe we add it back?
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