Subjective Databases
Summary: Introduces OpineDB, a database model and query engine for experiential, subjective attributes expressed in users’ own words alongside objective predicates. It matches query phrases to a subjective schema, combines experiential conditions, and ranks results, outperforming text-based alternatives on reviews. (summarized by gpt-5.6-luna on Jul 24 2026)
Incoming Non-self Citations Over Time
Authors
- 1. Yuliang Li (Megagon Labs)
- 2. Aaron Feng (Megagon Labs)
- 3. Jinfeng Li (Megagon Labs)
- 4. Saran Mumick (Megagon Labs)
- 5. Alon Halevy (Megagon Labs)
- 6. Vivian Li (Megagon Labs)
- 7. Wang-Chiew Tan (Megagon Labs)
BibTeX Citation
@article{li_vldb19,
title = {{Subjective Databases}},
author = {Li, Yuliang and Feng, Aaron and Li, Jinfeng and Mumick, Saran and Halevy, Alon and Li, Vivian and Tan, Wang-Chiew},
journal = {PVLDB},
series = {{VLDB} '19},
volume = {12},
number = {11},
pages = {1330--1343},
doi = {10.14778/3342263.3342271},
url = {https://doi.org/10.14778/3342263.3342271},
year = {2019}
}Incoming Citations (Sorted by Pagerank)
Showing 4 of 4 citing papers.
| Rank | Citing Paper | Year | Venue | Pagerank |
|---|---|---|---|---|
| 2,584 | Complaint-driven Training Data Debugging for Query 2.0 | 2020 | SIGMOD | 8.3783546e-05 |
| 6,118 | ELEET: Efficient Learned Query Execution over Text and Tables | 2024 | VLDB | 5.9698795e-05 |
| 9,177 | VerifAI: Verified Generative AI | 2024 | CIDR | 5.3078984e-05 |
| 11,672 | Exploring Ratings in Subjective Databases | 2021 | SIGMOD | 5.093636e-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 |
|---|---|---|---|---|
| 5 | Optimal Aggregation Algorithms for Middleware [Extended Abstract] | 2001 | PODS | 0.0010828372 |
| 34 | The Design Of Postgres | 1986 | SIGMOD | 0.00049302774 |
| 170 | Combining Fuzzy Information from Multiple Systems | 1996 | PODS | 0.00027376361 |
| 7,136 | Mining Subjective Properties on the Web | 2015 | SIGMOD | 5.6939829e-05 |
| 7,729 | Subjective Knowledge Base Construction Powered By Crowdsourcing and Knowledge Base | 2018 | SIGMOD | 5.5574654e-05 |
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|---|---|---|---|---|
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| 10 | 11,672 | Exploring Ratings in Subjective Databases | 2021 | SIGMOD |