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Faster and Efficient Density Decomposition via Proportional Response with Exponential Momentum

Summary: Density decomposition is cast as a Fisher market (edges as buyers, nodes as sellers) using proportional-response updates that converge to equilibrium. A novel exponential momentum (geometric interpolation) accelerates these gradient-like steps, yielding orders-of-magnitude speedups on large graphs for downstream graph-mining tasks. (summarized by gpt-5-nano on Feb 09 2026)

Paper ID
7355
Venue
SIGMOD
Year
2025
Pagerank
5.093636e-05
Overall Rank
10,790 | 25.98%
DOI
10.1145/3725405

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BibTeX Citation

@inproceedings{xue_sigmod25,
        title = {{Faster and Efficient Density Decomposition via Proportional Response with Exponential Momentum}},
        author = {Xue, Quan and Chan, T-H. Hubert},
        series = {{SIGMOD} '25},
        booktitle = {Proceedings of the {ACM} {SIGMOD} International Conference on Management of Data},
        publisher = {Association for Computing Machinery},
        doi = {10.1145/3725405},
        url = {https://dl.acm.org/doi/10.1145/3725405},
        year = {2025}
}

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