Regular Expression Indexing for Log Analysis
Summary: REI: n-gram-based indexing plus compact storage for logs to accelerate regex queries—up to 14× faster with ~2.1% space overhead. Demonstrates inverted-index variants can be suboptimal for regex-heavy log workloads; REI is modular and plugs into existing regex engines. (summarized by gpt-5-mini on Feb 11 2026)
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Authors
- 1. Ling Zhang (University of Wisconsin)
- 2. Shaleen Deep (Microsoft)
- 3. Jignesh M. Patel (Carnegie Mellon University)
- 4. Karthikeyan Sankaralingam (University of Wisconsin)
BibTeX Citation
@inproceedings{zhang_sigmod26,
title = {{Regular Expression Indexing for Log Analysis}},
author = {Zhang, Ling and Deep, Shaleen and Patel, Jignesh M. and Sankaralingam, Karthikeyan},
series = {{SIGMOD} '26},
booktitle = {Proceedings of the {ACM} {SIGMOD} International Conference on Management of Data},
publisher = {Association for Computing Machinery},
doi = {10.1145/3769820},
url = {https://dl.acm.org/doi/10.1145/3769820},
year = {2026}
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Showing 6 of 6 cited papers.
Citations counted here include only citations to other VLDB/SIGMOD/CIDR/PODS papers in this database.
| Rank | Cited Paper | Year | Venue | Pagerank |
|---|---|---|---|---|
| 565 | Efficient Pattern Matching over Event Streams | 2008 | SIGMOD | 0.00016445548 |
| 794 | Bitmap Index Design and Evaluation | 1998 | SIGMOD | 0.00013969303 |
| 1,464 | An Efficient Bitmap Encoding Scheme for Selection Queries | 1999 | SIGMOD | 0.00010689981 |
| 3,164 | OASIS: An Online and Accurate Technique for Local-alignment Searches on Biological Sequences | 2003 | VLDB | 7.6778551e-05 |
| 11,081 | An Evaluation of N-Gram Selection Strategies for Regular Expression Indexing in Contemporary Text Analysis Tasks | 2025 | VLDB | 5.093636e-05 |
| 12,841 | Searching on the Secondary Structure of Protein Sequences | 2002 | VLDB | 5.093636e-05 |
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