Hi, Thanks for the answers! Yes, my task is to store only non-zero values from a sparse vector of large dimension, where most of the elements are zero.
вт, 3 дек. 2024 г. в 19:17, Mikhail Khludnev <m...@apache.org>: > Thanks for clarification Michael! > > On Tue, Dec 3, 2024 at 1:56 PM Michael Sokolov <msoko...@gmail.com> wrote: > > > Sparse is meaning two different things here. In the case you found > Mikhail, > > it means not every document has a value for some vector field. I think > the > > question here is about very high dimensional vectors where most documents > > have zeroes in most dimensions of the vector. > > > > On Tue, Dec 3, 2024, 2:01 AM Mikhail Khludnev <m...@apache.org> wrote: > > > > > Morning. > > > I noticed a condition choosing sparse and dense format underneath > > > > > > > > > https://github.com/apache/lucene/blob/6053e1e31378378f6d310a05ea6d7dcdfc45f48b/lucene/core/src/java/org/apache/lucene/codecs/lucene95/OffHeapByteVectorValues.java#L108 > > > perhaps it may achieve your performance requirements. > > > > > > > > > On Mon, Dec 2, 2024 at 8:03 PM Viacheslav Dobrynin <w.v.d...@gmail.com > > > > > wrote: > > > > > > > Hi! > > > > > > > > I need to index sparse vectors, whereas as I understand it, > > > > KnnFloatVectorField is designed for dense vectors. > > > > Therefore, it seems that this approach will not work. > > > > > > > > вс, 1 дек. 2024 г. в 18:36, Mikhail Khludnev <m...@apache.org>: > > > > > > > > > Hi, > > > > > May it look like KnnFloatVectorField(... DOT_PRODUCT) > > > > > and KnnFloatVectorQuery? > > > > > > > > > > > > > > > > > > -- > > > Sincerely yours > > > Mikhail Khludnev > > > > > > > > -- > Sincerely yours > Mikhail Khludnev >
