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Matryoshka: Uncovering Relevant Features in Data Lakes to Enhance Machine Learning Applications

Summary: Matryoshka jointly discovers and selects nonredundant features from data lakes across ML tasks, avoiding join materialization via Gram-matrix sketches and incremental proxy models. It improves prediction quality 19.3% on average and runs up to 120× faster on join-intensive workloads. (summarized by gpt-5.6-luna on Aug 28 2026)

Paper ID
h2d33cc97a40e4409
Venue
VLDB
Year
2026
Pagerank
4.9793485e-05
Overall Rank
10,891 | 26.78%
DOI
10.14778/3836663.3836719

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BibTeX Citation

@article{turchenko_vldb26,
        title = {{Matryoshka: Uncovering Relevant Features in Data Lakes to Enhance Machine Learning Applications}},
        author = {Turchenko, Fedor and Zhang, Runjie and Chen, Binger and Boehm, Matthias and Salimi, Babak and Shaikhha, Amir and Abedjan, Ziawasch},
        journal = {PVLDB},
        series = {{VLDB} '26},
        volume = {19},
        number = {11},
        pages = {3704--3717},
        doi = {10.14778/3836663.3836719},
        url = {https://doi.org/10.14778/3836663.3836719},
        year = {2026}
}

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