Maintaining Acyclic Foreign-Key Joins under Updates
Summary: Introduces enclosureness λ to quantify update difficulty for acyclic foreign-key joins; amortized O(λ) maintenance for updates. Lower bound Ω(λ^{1-ε}) shows near-optimal; supports all 22 TPC-H queries in ~O(λ); Flink system with gains. (summarized by gpt-5-nano on Feb 09 2026)
Incoming Non-self Citations Over Time
Authors
- 1. Qichen Wang (Hong Kong University of Science and Technology)
- 2. Ke Yi (Hong Kong University of Science and Technology)
BibTeX Citation
@inproceedings{wang_sigmod20,
title = {{Maintaining Acyclic Foreign-Key Joins under Updates}},
author = {Wang, Qichen and Yi, Ke},
series = {{SIGMOD} '20},
booktitle = {Proceedings of the {ACM} {SIGMOD} International Conference on Management of Data},
publisher = {Association for Computing Machinery},
doi = {10.1145/3318464.3380586},
url = {https://dl.acm.org/doi/10.1145/3318464.3380586},
year = {2020}
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