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https://issues.apache.org/jira/browse/LUCENE-9855?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17371983#comment-17371983
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Tomoko Uchida commented on LUCENE-9855:
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Are we still hanging on here...
I'd like to offer somewhat compromise options {{KNNVectorsFormat}} or
{{NNVectorsFormat}}. I still would like to stick to have "vectors" in the
format name, perhaps for the same reason as Julie said, but it is ok for me to
imply a connection to "nearest neighbor search" - as long as we use the vector
format only for "vector search" (or "dense retrieval" in IR context).
I slightly prefer "KNN" or "NN" over "ANN" since we do not necessarily need to
restrict its usecases to "approximate" search?
[1] https://en.wikipedia.org/wiki/Nearest_neighbor_search
> Reconsider names for ANN related format and APIs
> ------------------------------------------------
>
> Key: LUCENE-9855
> URL: https://issues.apache.org/jira/browse/LUCENE-9855
> Project: Lucene - Core
> Issue Type: Improvement
> Components: core/codecs
> Affects Versions: main (9.0)
> Reporter: Tomoko Uchida
> Priority: Blocker
> Time Spent: 40m
> Remaining Estimate: 0h
>
> There is some discussion about the codec name for ann search.
> https://lists.apache.org/thread.html/r3a6fa29810a1e85779de72562169e72d927d5a5dd2f9ea97705b8b2e%40%3Cdev.lucene.apache.org%3E
> Main points here are 1) use plural form for consistency, and 2) use more
> specific name for ann search (second point could be optional).
> A few alternatives were proposed:
> - VectorsFormat
> - VectorValuesFormat
> - NeighborsFormat
> - DenseVectorsFormat
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