Datalog Expressiveness of Chain Queries: Grammar Tools and Characterizations
Summary: Introduces indexed positive programmed grammars (IPPGs) in three variants to precisely capture chain-query languages definable by linear, semi-linear, and full Datalog under a natural “addressable” condition. Links these formal-language characterizations to prior FO and fixpoint descriptions. (summarized by gpt-5-mini on Feb 09 2026)
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Authors
- 1. Guozhu Dong
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Citations counted here include only citations to other VLDB/SIGMOD/CIDR/PODS papers in this database.
| Rank | Cited Paper | Year | Venue | Pagerank |
|---|---|---|---|---|
| 172 | Decidability And Expressiveness Aspects Of Logic Queries | 1987 | PODS | 0.00038808816 |
| 2,310 | Inductive Pebble Games And The Expressive Power Of Datalog | 1989 | PODS | 9.0580784e-05 |
| 3,888 | On the Expressive Power of Datalog: Tools and a Case Study | 1990 | PODS | 6.6634475e-05 |
| 6,031 | On Datalog vs. Polynomial Time | 1991 | PODS | 5.2415551e-05 |
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