On the Expressive Power of Datalog: Tools and a Case Study
Summary: Characterizes Datalog(!=) as a fragment of infinitary logic L^infty via pebble games, giving tools for expressiveness analysis. Applies them to classify fixed directed subgraph homeomorphism queries and proves Fortune et al.'s dichotomies proper for Datalog(!=) expressibility without complexity assumptions. (summarized by gpt-5-mini on Feb 09 2026)
Incoming Non-self Citations Over Time
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Incoming Citations (Sorted by Pagerank)
Showing 8 of 8 citing papers.
| Rank | Citing Paper | Year | Venue | Pagerank |
|---|---|---|---|---|
| 6,035 | On Datalog vs. Polynomial Time | 1991 | PODS | 5.2365238e-05 |
| 6,751 | Can Datalog be approximated? | 1994 | PODS | 4.9352222e-05 |
| 7,826 | Weaker Forms of Monotonicity for Declarative Networking: a More Fine-grained Answer to the CALM-conjecture | 2014 | PODS | 4.6381971e-05 |
| 11,839 | Logical Aspects of Massively Parallel and Distributed Systems | 2016 | PODS | 4.1905499e-05 |
| 12,801 | Combinatorial Games in Database Theory | 1995 | PODS | 4.1905499e-05 |
| 12,835 | Bounded Arity Datalog(!=) Queries on Graphs (Extended Abstract) | 1994 | PODS | 4.1905499e-05 |
| 12,842 | Adding Disjunction to Datalog (Extended Abstract) | 1994 | PODS | 4.1905499e-05 |
| 12,894 | Datalog Expressiveness of Chain Queries: Grammar Tools and Characterizations | 1992 | PODS | 4.1905499e-05 |
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Outgoing Citations (Sorted by Pagerank)
Showing 2 of 2 cited papers.
Citations counted here include only citations to other VLDB/SIGMOD/CIDR/PODS papers in this database.
| Rank | Cited Paper | Year | Venue | Pagerank |
|---|---|---|---|---|
| 173 | Decidability And Expressiveness Aspects Of Logic Queries | 1987 | PODS | 0.00038731283 |
| 2,317 | Inductive Pebble Games And The Expressive Power Of Datalog | 1989 | PODS | 9.049333e-05 |
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Semantically Similar Papers
| Overall Rank | Paper | Year | Venue | Pagerank |
|---|---|---|---|---|
| 1,833 | The Expressiveness of a Family of Finite Set Languages | 1991 | PODS | 0.00010365844 |
| 12,835 | Bounded Arity Datalog(!=) Queries on Graphs (Extended Abstract) | 1994 | PODS | 4.1905499e-05 |
| 4,291 | Well-Founded Semantics for Extended Datalog and Ontological Reasoning | 2013 | PODS | 6.2824978e-05 |
| 9,593 | Expressiveness within Sequence Datalog | 2021 | PODS | 4.3161588e-05 |
| 12,842 | Adding Disjunction to Datalog (Extended Abstract) | 1994 | PODS | 4.1905499e-05 |
| 6,234 | Inherent Complexity of Recursive Queries (Extended Abstract) | 1999 | PODS | 5.1387584e-05 |
| 7,594 | On the First-Order Expressibility of Recursive Queries | 1989 | PODS | 4.6983854e-05 |
| 7,959 | Expressiveness of Guarded Existential Rule Languages | 2014 | PODS | 4.6089395e-05 |
| 12,894 | Datalog Expressiveness of Chain Queries: Grammar Tools and Characterizations | 1992 | PODS | 4.1905499e-05 |
| 2,317 | Inductive Pebble Games And The Expressive Power Of Datalog | 1989 | PODS | 9.049333e-05 |