Succinct Structure Representations for Efficient Query Optimization
Summary: Introduces linear-size meta-decompositions that compactly encode all join trees for acyclic queries, enabling polynomial-time enumeration and cost-based optimization without materializing plans. A new width notion captures plan guarantees; experiments show DP-comparable plans with orders-of-magnitude faster optimization. (summarized by gpt-5.6-luna on Jul 26 2026)
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Authors
- 1. Zhekai Jiang (EPFL)
- 2. Qichen Wang (Nanyang Technological University)
- 3. Christoph Koch (EPFL)
BibTeX Citation
@inproceedings{jiang_sigmod26,
title = {{Succinct Structure Representations for Efficient Query Optimization}},
author = {Jiang, Zhekai and Wang, Qichen and Koch, Christoph},
series = {{SIGMOD} '26},
booktitle = {Proceedings of the {ACM} {SIGMOD} International Conference on Management of Data},
publisher = {Association for Computing Machinery},
doi = {10.1145/3802117},
url = {https://dl.acm.org/doi/10.1145/3802117},
year = {2026}
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