EFQ: Why-Not Answer Polynomials in Action
Summary: EFQ uses Why-Not Answer polynomials to provide complete explanations for missing query results. It enables automatic, relevant query refinements guided by these polynomials, aiding expert debugging of data-access queries. (summarized by gpt-5-nano on Feb 09 2026)
Incoming Non-self Citations Over Time
Authors
Incoming Citations (Sorted by Pagerank)
Showing 1 of 1 citing papers.
| Rank | Citing Paper | Year | Venue | Pagerank |
|---|---|---|---|---|
| 6,974 | NLProveNAns: Natural Language Provenance for Non-Answers | 2018 | VLDB | 4.8725777e-05 |
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Outgoing Citations (Sorted by Pagerank)
Showing 7 of 7 cited papers.
Citations counted here include only citations to other VLDB/SIGMOD/CIDR/PODS papers in this database.
| Rank | Cited Paper | Year | Venue | Pagerank |
|---|---|---|---|---|
| 487 | Why Not? | 2009 | SIGMOD | 0.00022030123 |
| 653 | On the Provenance of Non-Answers to Queries over Extracted Data | 2008 | VLDB | 0.00018616975 |
| 1,124 | How to ConQueR Why-Not Questions | 2010 | SIGMOD | 0.00013832959 |
| 2,565 | Explaining Missing Answers to SPJUA Queries | 2010 | VLDB | 8.5307653e-05 |
| 2,794 | Artemis: A System for Analyzing Missing Answers | 2009 | VLDB | 8.1164685e-05 |
| 3,100 | Answering Why-not Questions on Reverse Top-k Queries | 2015 | VLDB | 7.5625111e-05 |
| 3,204 | A Probabilistic Optimization Framework for the Empty-Answer Problem | 2013 | VLDB | 7.3884503e-05 |
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Semantically Similar Papers
| Overall Rank | Paper | Year | Venue | Pagerank |
|---|---|---|---|---|
| 2,990 | FastQRE: Fast Query Reverse Engineering | 2018 | SIGMOD | 7.7727915e-05 |
| 12,032 | Mirror mirror on the wall, which query's fairest of them all? | 2013 | CIDR | 4.1905499e-05 |
| 3,100 | Answering Why-not Questions on Reverse Top-k Queries | 2015 | VLDB | 7.5625111e-05 |
| 9,623 | Qr-Hint: Actionable Hints Towards Correcting Wrong SQL Queries | 2024 | SIGMOD | 4.3120302e-05 |
| 5,454 | QFix: Diagnosing Errors through Query Histories | 2017 | SIGMOD | 5.4967096e-05 |
| 943 | A Formal Approach to Finding Explanations for Database Queries | 2014 | SIGMOD | 0.00015140995 |
| 11,845 | QFix: Demonstrating Error Diagnosis in Query Histories | 2016 | SIGMOD | 4.1905499e-05 |
| 5,428 | High-Level Why-Not Explanations using Ontologies | 2015 | PODS | 5.5125084e-05 |
| 487 | Why Not? | 2009 | SIGMOD | 0.00022030123 |
| 1,124 | How to ConQueR Why-Not Questions | 2010 | SIGMOD | 0.00013832959 |