Hi
If I understand correctly the source version of Lucene contains an HNSW
implementation for k-nn search
https://issues.apache.org/jira/browse/LUCENE-9004
and another algorithm based on coarse quantization is in development
https://issues.apache.org/jira/browse/LUCENE-9322
Also there are various efforts to benchmark the Lucene HNSW
implementation according to https://github.com/erikbern/ann-benchmarks
https://www.mail-archive.com/issues@lucene.apache.org/msg42711.html
https://github.com/jtibshirani/lucene/pull/1
and
https://github.com/alexklibisz/ann-benchmarks-lucene
But what is not so clear to me is what is the current status of these
developments and what are the next steps planned?
Thanks
Michael
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