Why Not?
Summary: Proposes a WHY NOT? model to explain missing results, with two algorithms to locate the discarded data item and two tracing approaches. User study confirms usefulness for expert users and suggests reduced debugging through targeted explanations. (summarized by gpt-5-nano on Feb 09 2026)
Incoming Non-self Citations Over Time
Authors
- 1. Adriane Chapman (The MITRE Corporation)
- 2. H.V. Jagadish (University of Michigan)
BibTeX Citation
@inproceedings{chapman_sigmod09,
title = {{Why Not?}},
author = {Chapman, Adriane and Jagadish, H.V.},
series = {{SIGMOD} '09},
booktitle = {Proceedings of the {ACM} {SIGMOD} International Conference on Management of Data},
publisher = {Association for Computing Machinery},
doi = {10.1145/1559845.1559901},
url = {https://dl.acm.org/doi/10.1145/1559845.1559901},
year = {2009}
}Incoming Citations (Sorted by Pagerank)
Showing 50 of 55 citing papers.
Outgoing Citations (Sorted by Pagerank)
Showing 10 of 10 cited papers.
Citations counted here include only citations to other VLDB/SIGMOD/CIDR/PODS papers in this database.
| Rank | Cited Paper | Year | Venue | Pagerank |
|---|---|---|---|---|
| 84 | ULDBs: Databases with Uncertainty and Lineage | 2006 | VLDB | 0.00035960573 |
| 126 | Trio: A System for Integrated Management of Data, Accuracy, and Lineage | 2005 | CIDR | 0.00030430114 |
| 525 | An Annotation Management System for Relational Databases | 2004 | VLDB | 0.00016889428 |
| 590 | Lineage Tracing for General Data Warehouse Transformations | 2001 | VLDB | 0.00015884721 |
| 621 | On the Provenance of Non-Answers to Queries over Extracted Data | 2008 | VLDB | 0.0001548582 |
| 632 | Verifying Completeness of Relational Query Results in Data Publishing | 2005 | SIGMOD | 0.00015400722 |
| 709 | Archiving Scientific Data | 2002 | SIGMOD | 0.00014605778 |
| 1,502 | VisTrails: Visualization meets Data Management | 2006 | SIGMOD | 0.00010454991 |
| 4,212 | Trio-One: Layering Uncertainty and Lineage on a Conventional DBMS | 2007 | CIDR | 6.728552e-05 |
| 6,442 | Tracing Lineage Beyond Relational Operators | 2007 | VLDB | 5.7817038e-05 |
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