THIS IS A TEST INSTANCE. ALL YOUR CHANGES WILL BE LOST!!!!
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Yes, Lucene 9 and greater support ANN / kNN search, whereas see
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Does Lucene support auto-suggest / autocomplete?
Yes, see https://lucene.apache.org/core/8_10_1/suggest/index.html
Indexing
Can I use Lucene to crawl my site or other sites on the Internet?
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