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feat: [CB_GF] CB with graph feedback text input #4392

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merged 9 commits into from Jan 10, 2023

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olgavrou
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@olgavrou olgavrou commented Dec 22, 2022

cb (multiline only) with graph feedback needs as an input a matrix (matrix validity to be verified in the reduction once added)

In the text label the graph input should be added in the shared example, so that we avoid having to distinguish between yet another unique example like we do with shared (e.g. example: shared graph 0,1,5 2,4,5 0,2,5 |)

It is expected in the COO format (coordinate format), since the matrix can be sparse, so it is provided in triplets (row, col, value)

@olgavrou olgavrou merged commit ad425af into VowpalWabbit:master Jan 10, 2023
@lalo lalo mentioned this pull request Apr 12, 2023
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