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Conjunctive Regular Path Queries under Injective Semantics

Summary: Introduces atom- and query-injective semantics for CRPQs (injective-homomorphism generalizations of RPQ simple-path semantics) and studies evaluation and containment. Key findings: containment undecidable for atom-injective, PSPACE-complete for query-injective (vs EXPSPACE under standard semantics) and complete complexity maps for CQs and finite-language CRPQ fragments. (summarized by gpt-5-mini on Feb 09 2026)

Paper ID
1915
Venue
PODS
Year
2023
Pagerank
5.4700577e-05
Overall Rank
8,190 | 43.81%
DOI
10.1145/3584372.3588664

Incoming Non-self Citations Over Time

Authors

BibTeX Citation

@inproceedings{figueira_pods23,
        address = {New York, NY, USA},
        series = {{PODS} '23},
        title = {{Conjunctive Regular Path Queries under Injective Semantics}},
        url = {https://dl.acm.org/doi/10.1145/3584372.3588664},
        doi = {10.1145/3584372.3588664},
        booktitle = {Proceedings of the {ACM} {SIGMOD} Symposium on {Principles} of {Database} {Systems}},
        publisher = {Association for Computing Machinery},
        author = {Figueira, Diego and Romero, Miguel},
        year = {2023}
}

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