Budgeted Strong Community Search in Heterogeneous Graphs
Summary: StrCom: use meta-path counts to quantify relationship strength; defines Budgeted Strong Community (BSC) with a size budget and shows BSC is NP-hard and not in APX. Proposes Shrink/Expand/Hybrid algorithms with optimizations; reports 3.5–107× PathSim and 2–5 orders gains over baselines.
(summarized by gpt-5-mini on Feb 11 2026)
@inproceedings{zhang_sigmod26,
title = {{Budgeted Strong Community Search in Heterogeneous Graphs}},
author = {Zhang, Wentong and Feng, Kaiyu and Fang, Lanting and Kim, Junghoon and Zhang, Kaibo and Kim, Dahee and Wang, Shuliang and Yuan, Ye and Wang, Guoren},
series = {{SIGMOD} '26},
booktitle = {Proceedings of the {ACM} {SIGMOD} International Conference on Management of Data},
publisher = {Association for Computing Machinery},
doi = {10.1145/3769768},
url = {https://dl.acm.org/doi/10.1145/3769768},
year = {2026}
}
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