The Complexity of Reusing and Modifying Rulebases
Summary: Adds predicate substitution to deductive databases to enable reuse and incremental modification of rulebases by substituting predicates (not just variables) during query evaluation. Proves Datalog with substitution is EXPTIME-complete in data complexity and provides proof/model-theory and fixpoint semantics, characterizing the language's extra expressive power. (summarized by gpt-5-mini on Feb 09 2026)
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Authors
- 1. Anthony J. Bonner (University of Toronto)
BibTeX Citation
@inproceedings{bonner_pods92,
address = {New York, NY, USA},
series = {{PODS} '92},
title = {{The Complexity of Reusing and Modifying Rulebases}},
url = {https://dl.acm.org/doi/10.1145/137097.137900},
doi = {10.1145/137097.137900},
booktitle = {Proceedings of the {ACM} {SIGMOD} Symposium on {Principles} of {Database} {Systems}},
publisher = {Association for Computing Machinery},
author = {Bonner, Anthony J.},
year = {1992}
}
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