Accio: Bolt-on Query Federation
Summary: Accio decouples query federation from execution engines as a bolt-on middleware library. Its declarative interface enables join pushdown and query partitioning, delivering orders-of-magnitude gains across five engines without invasive modifications or maintenance. (summarized by gpt-5.6-luna on Jul 24 2026)
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Authors
- 1. Xiaoying Wang (Simon Fraser University)
- 2. Jiannan Wang (Huawei; Simon Fraser University)
- 3. Tianzheng Wang (Simon Fraser University)
- 4. Yong Zhang (Huawei)
BibTeX Citation
@article{wang_vldb25,
title = {{Accio: Bolt-on Query Federation}},
author = {Wang, Xiaoying and Wang, Jiannan and Wang, Tianzheng and Zhang, Yong},
journal = {PVLDB},
series = {{VLDB} '25},
volume = {18},
number = {7},
pages = {2126--2135},
doi = {10.14778/3734839.3734849},
url = {https://doi.org/10.14778/3734839.3734849},
year = {2025}
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