Module org.apache.lucene.core
Package org.apache.lucene.codecs.lucene99
package org.apache.lucene.codecs.lucene99
Lucene 9.9 file format.
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ClassDescriptionLucene 9.9 flat vector format, which encodes numeric vector valuesReads vectors from the index segments.Writes vector values to index segments.Lucene 9.9 vector format, which encodes numeric vector values into an associated graph connecting the documents having values.Lucene 9.9 vector format, which encodes numeric vector values into an associated graph connecting the documents having values.Reads vectors from the index segments along with index data structures supporting KNN search.Read the nearest-neighbors graph from the index inputWrites vector values and knn graphs to index segments.Optimized scalar quantized implementation of
FlatVectorsScorer
for quantized vectors stored in the Lucene99 format.Calculates dot product on quantized vectors, applying the appropriate correctionsFormat supporting vector quantization, storage, and retrievalReads Scalar Quantized vectors from the index segments along with index data structures.Writes quantized vector values and metadata to index segments.Returns a merged view over all the segment'sQuantizedByteVectorValues
.Lucene 9.9 Segment info format.Read the quantized vector values and their score correction values from the index input.Dense vector values that are stored off-heap.