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Expressive Languages for Path Queries over Graph-Structured Data

Summary: Introduces ECRPQs: extend CRPQs with path variables in heads and regular relations over tuples of paths, enabling path outputs and expressive relations among paths for tasks like semantic associations and pattern/sequence alignment. Presents automata-based representations, analyzes data/combined complexity and containment, and identifies syntactic restrictions plus FO and arithmetic extensions (length/count constraints) to trade expressiveness for lower complexity. (summarized by gpt-5-mini on Feb 09 2026)

Paper ID
h6f3d9d9741739e47
Venue
PODS
Year
2010
Pagerank
0.00010561507
Overall Rank
1,468 | 90.14%
DOI
10.1145/1807085.1807089

Incoming Non-self Citations Over Time

Authors

BibTeX Citation

@inproceedings{barcelo_pods10,
        address = {New York, NY, USA},
        series = {{PODS} '10},
        title = {{Expressive Languages for Path Queries over Graph-Structured Data}},
        url = {https://dl.acm.org/doi/10.1145/1807085.1807089},
        doi = {10.1145/1807085.1807089},
        booktitle = {Proceedings of the {ACM} {SIGMOD} Symposium on {Principles} of {Database} {Systems}},
        publisher = {Association for Computing Machinery},
        author = {Barceló, Pablo and Hurtado, Carlos and Libkin, Leonid and Wood, Peter},
        year = {2010}
}

Incoming Citations (Sorted by Pagerank)

Showing 27 of 27 citing papers.

Rank Citing Paper Year Venue Pagerank
720 Querying Graph Databases 2013 PODS 0.00014522278
860 G-CORE: A Core for Future Graph Query Languages 2018 SIGMOD 0.00013401414
1,494 Graph Pattern Matching in GQL and SQL/PGQ 2022 SIGMOD 0.00010497226
2,484 Querying Semantic Web Data with SPARQL 2011 PODS 8.3957732e-05
3,422 Query Planning for Evaluating SPARQL Property Paths 2016 SIGMOD 7.3112898e-05
4,554 GQL and SQL/PGQ: Theoretical Models and Expressive Power 2025 VLDB 6.5362379e-05
4,967 GPC: A Pattern Calculus for Property Graphs 2023 PODS 6.3330919e-05
5,054 On the Optimization of Recursive Relational Queries: Application to Graph Queries 2020 SIGMOD 6.2946294e-05
5,099 Querying Graph Patterns 2011 PODS 6.2713809e-05
5,559 Representing Paths in Graph Database Pattern Matching 2023 VLDB 6.082972e-05
7,142 Semantic Acyclicity on Graph Databases 2013 PODS 5.5979329e-05
7,440 Conjunctive Regular Path Queries with String Variables 2020 PODS 5.5248786e-05
7,557 TriAL for RDF: Adapting Graph Query Languages for RDF Data 2013 PODS 5.4954839e-05
7,633 When is the Evaluation of Extended CRPQ Tractable? 2022 PODS 5.4788728e-05
7,763 Using Domain-Specific Languages For Analytic Graph Databases 2016 VLDB 5.4559829e-05
7,818 The Complexity of Regular Trail and Simple Path Queries on Undirected Graphs 2022 PODS 5.4461633e-05
8,069 Correlation Constraint Shortest Path over Large Multi-Relation Graphs 2019 VLDB 5.3929452e-05
8,076 On the Expressiveness of Languages for Querying Property Graphs in Relational Databases 2026 PODS 5.3917406e-05
8,366 Conjunctive Regular Path Queries under Injective Semantics 2023 PODS 5.3447929e-05
9,420 Output-Sensitive Evaluation of Regular Path Queries 2025 PODS 5.1802184e-05
10,396 A Logical View of GNN-Style Computation and the Role of Activation Functions 2026 PODS 4.9769913e-05
10,443 cuRPQ: A High-Performance GPU-Based Framework for Processing Regular and Conjunctive Regular Path Queries 2026 SIGMOD 4.9769913e-05
10,717 Repairing Property Graphs under PG-Constraints 2026 VLDB 4.9769913e-05
11,002 cuRPQ+: A System for Interactive Path-Aware Querying Beyond Plain CRPQs 2026 VLDB 4.9769913e-05
11,190 Dangers of List Processing in Querying Property Graphs 2025 SIGMOD 4.9769913e-05
11,605 Efficient Betweenness Centrality Computation over Large Heterogeneous Information Networks 2024 VLDB 4.9769913e-05
11,840 Data Path Queries over Embedded Graph Databases 2022 PODS 4.9769913e-05
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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
298 GraphLog: a Visual Formalism for Real Life Recursion 1990 PODS 0.00021830158
699 Query Containment for Conjunctive Queries With Regular Expressions 1998 PODS 0.00014680086
2,150 Flexible Queries over Semistructured Data 2001 PODS 8.9511631e-05
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