Debugging Missing Answers for Spark Queries over Nested Data with Breadcrumb
Summary: Breadcrumb provides query-based explanations for missing Spark results on nested data, pinpointing the operators responsible for the absence. It scales to big data and handles schema-semantic errors in nested/de-normalized queries, guiding fixes. (summarized by gpt-5-nano on Feb 09 2026)
Incoming Non-self Citations Over Time
Authors
- 1. Ralf Diestelkämper (University of Stuttgart)
- 2. Seokki Lee (University of Cincinnati)
- 3. Boris Glavic (Illinois Institute of Technology)
- 4. Melanie Herschel (University of Stuttgart)
BibTeX Citation
@article{diestelkamper_vldb21,
title = {{Debugging Missing Answers for Spark Queries over Nested Data with Breadcrumb}},
author = {Diestelkämper, Ralf and Lee, Seokki and Glavic, Boris and Herschel, Melanie},
journal = {PVLDB},
series = {{VLDB} '21},
volume = {14},
number = {12},
pages = {2731--2734},
doi = {10.14778/3476311.3476331},
url = {https://doi.org/10.14778/3476311.3476331},
year = {2021}
}Incoming Citations (Sorted by Pagerank)
Showing 1 of 1 citing papers.
| Rank | Citing Paper | Year | Venue | Pagerank |
|---|---|---|---|---|
| 5,353 | Why Not Yet: Fixing a Top-k Ranking that Is Not Fair to Individuals | 2023 | VLDB | 6.1637765e-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 |
|---|---|---|---|---|
| 391 | Why Not? | 2009 | SIGMOD | 0.00019238698 |
| 591 | Lineage Tracing for General Data Warehouse Transformations | 2001 | VLDB | 0.00015888097 |
| 1,146 | Schema and Ontology Matching with COMA++ | 2005 | SIGMOD | 0.00011815973 |
| 7,317 | NLProveNAns: Natural Language Provenance for Non-Answers | 2018 | VLDB | 5.554755e-05 |
| 7,879 | To Not Miss the Forest for the Trees - A Holistic Approach for Explaining Missing Answers over Nested Data | 2021 | SIGMOD | 5.4341576e-05 |
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