Pixels: Multiversion Wide Table Store for Data Lakes
Summary: Pixels: a multiversion wide-table store for data lakes that optimizes physical layout and access for hundred-to-thousand-column tables, addressing random-dominated reads and rapid schema/data evolution on object/file storage. Reports >10× query speedups vs. state-of-the-art column stores while providing efficient metadata and user-data evolution and still applicable to non-wide tables. (summarized by gpt-5-mini on Feb 09 2026)
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BibTeX Citation
@inproceedings{bian_cidr20,
address = {Amsterdam, Netherlands},
series = {{CIDR} '20},
title = {{Pixels: Multiversion Wide Table Store for Data Lakes}},
booktitle = {Proceedings of the {Conference} on {Innovative} {Data} {Systems} {Research}},
author = {Bian, Haoqiong},
year = {2020}
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| Rank | Cited Paper | Year | Venue | Pagerank |
|---|---|---|---|---|
| 2,599 | WideTable: An Accelerator for Analytical Data Processing | 2014 | VLDB | 8.3583572e-05 |
| 6,896 | Wide Table Layout Optimization based on Column Ordering and Duplication | 2017 | SIGMOD | 5.7440611e-05 |
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