Size and Treewidth Bounds for Conjunctive Queries
Summary: Introduce a novel query-variable “coloring number” C(Q) giving tight worst-case bounds on result size |Q(D)| for conjunctive queries both without and with simple (one-attribute) keys, generalizing Atserias–Grohe–Marx AGM-style bounds. Extend the coloring to obtain lower bounds under arbitrary functional dependencies and exactly characterize which queries preserve output treewidth and input sparsity (with or without keys). (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 2 of 2 citing papers.
| Rank | Citing Paper | Year | Venue | Pagerank |
|---|---|---|---|---|
| 502 | Worst-case Optimal Join Algorithms | 2012 | PODS | 0.00021526612 |
| 4,546 | Bounded Conjunctive Queries | 2014 | VLDB | 6.0987778e-05 |
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Outgoing Citations (Sorted by Pagerank)
Showing 5 of 5 cited papers.
Citations counted here include only citations to other VLDB/SIGMOD/CIDR/PODS papers in this database.
| Rank | Cited Paper | Year | Venue | Pagerank |
|---|---|---|---|---|
| 38 | Testing Implications Of Data Dependencies | 1979 | SIGMOD | 0.00075110004 |
| 48 | Data Integration: A Theoretical Perspective | 2002 | PODS | 0.00069720859 |
| 82 | Answering Queries Using Views (Extended Abstract) | 1995 | PODS | 0.00054402763 |
| 454 | An Overview of Query Optimization in Relational Systems | 1998 | PODS | 0.00022734812 |
| 621 | Schema Mappings, Data Exchange, and Metadata Management | 2005 | PODS | 0.00019005115 |
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Semantically Similar Papers
| Overall Rank | Paper | Year | Venue | Pagerank |
|---|---|---|---|---|
| 431 | On the Complexity of Database Queries (Extended Abstract) | 1997 | PODS | 0.00023370207 |
| 2,243 | The Data Complexity of Consistent Query Answering for Self-Join-Free Conjunctive Queries Under Primary Key Constraints | 2015 | PODS | 9.2166927e-05 |
| 7,344 | Join Size Bounds using l_p-Norms on Degree Sequences | 2024 | PODS | 4.7565607e-05 |
| 6,824 | Computing Join Queries with Functional Dependencies | 2016 | PODS | 4.9144789e-05 |
| 10,899 | Consistent Query Answering for Primary Keys on Rooted Tree Queries | 2024 | PODS | 4.1945683e-05 |
| 12,031 | The Fine Classification of Conjunctive Queries and Parameterized Logarithmic Space Complexity | 2013 | PODS | 4.1945683e-05 |
| 4,546 | Bounded Conjunctive Queries | 2014 | VLDB | 6.0987778e-05 |
| 6,949 | Tree-Width and Functional Dependencies in Databases | 2008 | PODS | 4.8898337e-05 |
| 8,851 | Efficient Approximations of Conjunctive Queries | 2012 | PODS | 4.4363908e-05 |
| 8,966 | Output-sensitive Conjunctive Query Evaluation | 2024 | PODS | 4.4193184e-05 |