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[Question]: Why topk is set with rerank model, which top k is used in search #3631

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semi-yuhao opened this issue Nov 25, 2024 · 3 comments
Open

[Question]: Why topk is set with rerank model, which top k is used in search #3631

semi-yuhao opened this issue Nov 25, 2024 · 3 comments
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@semi-yuhao
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Why topk is set with rerank model, which topk is used in search.
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@semi-yuhao semi-yuhao added the question Further information is requested label Nov 25, 2024
@KevinHuSh
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@semi-yuhao
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Why is topk used for KNN in Elasticsearch combined with a rerank model?

@KevinHuSh
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KNN computation is very expensive, so only top K retrievals will be KNNed.

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@KevinHuSh @semi-yuhao