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OmniTable: A Unified Wide-Table System for Petabyte-Scale LLM Data Curation and Exploration

Summary: OmniTable unifies petabyte-scale heterogeneous LLM corpora and thousands of derived features behind one logical wide-table schema while physically separating storage. Declarative lifecycle management, adaptive CPU/GPU execution, lineage, and hybrid exploration reduce curation cycles 5.6× across 35 PB. (summarized by gpt-5.6-luna on Aug 28 2026)

Paper ID
h1d69db4f9e8a1c75
Venue
VLDB
Year
2026
Pagerank
4.9793485e-05
Overall Rank
10,935 | 26.48%
DOI
10.14778/3827998.3828032

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BibTeX Citation

@article{fu_vldb26,
        title = {{OmniTable: A Unified Wide-Table System for Petabyte-Scale LLM Data Curation and Exploration}},
        author = {Fu, Yuzhuo and Wang, Xiangchun and Huang, Chao and Wang, Liyi and Zeng, Binwei and Wang, Yuhan and Nie, Taotao and Hu, Dongke and Hong, Wang and Wang, Jiayi and Cui, Wenwen and Zhou, Zhuyan and Guo, Yushun and Xing, Yuhan and Lian, Jiaxin and Lin, Peng and Cui, Qing and Shi, Wenhui},
        journal = {PVLDB},
        series = {{VLDB} '26},
        volume = {19},
        number = {12},
        pages = {4276--4289},
        doi = {10.14778/3827998.3828032},
        url = {https://doi.org/10.14778/3827998.3828032},
        year = {2026}
}

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