The Space-Efficient Core of Vadalog
Summary: Pinpoints piece-wise linear recursion (each TGD body has ≤1 mutually-recursive atom) as Vadalog's space-efficient core, capturing common industrial patterns and enabling tractable, space-efficient reasoning when combined with wardedness. Proves piece-wise linear alone is undecidable and characterizes expressiveness trade-offs of (piece-wise linear) warded TGDs versus related Datalog fragments. (summarized by gpt-5-mini on Feb 09 2026)
Incoming Non-self Citations Over Time
Authors
- 1. Gerald Berger (Technical University of Vienna)
- 2. Georg Gottlob (Technical University of Vienna; University of Oxford)
- 3. Andreas Pieris (University of Edinburgh)
- 4. Emanuel Sallinger (Technical University of Vienna; University of Oxford)
BibTeX Citation
@inproceedings{berger_pods19,
address = {New York, NY, USA},
series = {{PODS} '19},
title = {{The Space-Efficient Core of Vadalog}},
url = {https://dl.acm.org/doi/10.1145/3294052.3319688},
doi = {10.1145/3294052.3319688},
booktitle = {Proceedings of the {ACM} {SIGMOD} Symposium on {Principles} of {Database} {Systems}},
publisher = {Association for Computing Machinery},
author = {Berger, Gerald and Gottlob, Georg and Pieris, Andreas and Sallinger, Emanuel},
year = {2019}
}
Incoming Citations (Sorted by Pagerank)
Showing 2 of 2 citing papers.
| Rank | Citing Paper | Year | Venue | Pagerank |
|---|---|---|---|---|
| 5,067 | Datalog Unchained | 2021 | PODS | 6.2898972e-05 |
| 13,709 | KG-Roar: Interactive Datalog-based Reasoning on Virtual Knowledge Graphs | 2023 | VLDB | - |
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Outgoing Citations (Sorted by Pagerank)
Showing 9 of 9 cited papers.
Citations counted here include only citations to other VLDB/SIGMOD/CIDR/PODS papers in this database.
| Rank | Cited Paper | Year | Venue | Pagerank |
|---|---|---|---|---|
| 41 | Testing Implications Of Data Dependencies | 1979 | SIGMOD | 0.00045899672 |
| 136 | Testing Containment of Conjunctive Queries Under Functional and Inclusion Dependencies (Extended Abstract) | 1982 | PODS | 0.00029740459 |
| 774 | Efficiently Answering Reachability Queries on Very Large Directed Graphs | 2008 | SIGMOD | 0.00014083518 |
| 1,201 | Data Independent Recursion in Deductive Databases | 1986 | PODS | 0.00011560838 |
| 1,681 | The iBench Integration Metadata Generator | 2016 | VLDB | 9.8851118e-05 |
| 2,062 | A Decidable Class of Bounded Recursions | 1987 | PODS | 9.0974416e-05 |
| 2,674 | Benchmarking the Chase | 2017 | PODS | 8.1480823e-05 |
| 5,035 | The Vadalog System: Datalog-based Reasoning for Knowledge Graphs | 2018 | VLDB | 6.3038469e-05 |
| 9,357 | Expressive Languages for Querying the Semantic Web | 2014 | PODS | 5.1873819e-05 |
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