String Operations in Query Languages
Summary: Design compositional relational calculi for string ops that avoid concatenation’s computational completeness, preserving decidability and query safety. Base language: ordering+LIKE; length checks raise bounded complexity; trim/prefix and regex extensions still admit safe algebras and low evaluation complexity. (summarized by gpt-5-mini on Feb 09 2026)
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Authors
- 1. Michael Benedikt (AT&T)
- 2. Leonid Libkin (AT&T; University of Toronto)
- 3. Thomas Schwentick (Friedrich Schiller University of Jena; University of Mainz)
- 4. Luc Segoufin (INRIA)
BibTeX Citation
@inproceedings{benedikt_pods01,
address = {New York, NY, USA},
series = {{PODS} '01},
title = {{String Operations in Query Languages}},
url = {https://dl.acm.org/doi/10.1145/375551.375578},
doi = {10.1145/375551.375578},
booktitle = {Proceedings of the {ACM} {SIGMOD} Symposium on {Principles} of {Database} {Systems}},
publisher = {Association for Computing Machinery},
author = {Benedikt, Michael and Libkin, Leonid and Schwentick, Thomas and Segoufin, Luc},
year = {2001}
}
Incoming Citations (Sorted by Pagerank)
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Outgoing Citations (Sorted by Pagerank)
Showing 3 of 3 cited papers.
Citations counted here include only citations to other VLDB/SIGMOD/CIDR/PODS papers in this database.
| Rank | Cited Paper | Year | Venue | Pagerank |
|---|---|---|---|---|
| 2,373 | Pattern Matching by Rs-Operations: Towards a Unified Approach to Querying Sequenced Data (Extended Abstract) | 1992 | PODS | 8.675907e-05 |
| 4,226 | Safe Constraint Queries | 1998 | PODS | 6.8211482e-05 |
| 6,184 | Expressive power and data complexity of nonrecursive query languages for lists and trees (Extended Abstract) | 2000 | PODS | 5.9488379e-05 |
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