HYDRA: A Dynamic Big Data Regenerator

Summary: HYDRA: a dynamic, workload-aware data regenerator demo; tiny memory-resident summary regenerates large databases on-the-fly during query execution. In-memory generation offers controllable velocity; summary construction is data-scale-free. (summarized by gpt-5-nano on Feb 09 2026)

Paper ID: h0aa470a401e44db7
Venue: VLDB
Year: 2018
Pagerank: 5.3765919e-05
Overall Rank: 8,206 | 44.85%
DOI: 10.14778/3229863.3236238
PDF: Download (CC BY-NC-ND 4.0)

Incoming Non-self Citations Over Time

Authors

1. Anupam Sanghi (Indian Institute of Science)
2. Raghav Sood (Indian Institute of Science)
3. Dharmendra Singh (Indian Institute of Science)
4. Jayant R. Haritsa (Indian Institute of Science)
5. Srikanta Tirthapura (Iowa State University)

BibTeX Citation

@article{sanghi_vldb18,
        title = {{HYDRA: A Dynamic Big Data Regenerator}},
        author = {Sanghi, Anupam and Sood, Raghav and Singh, Dharmendra and Haritsa, Jayant R. and Tirthapura, Srikanta},
        journal = {PVLDB},
        series = {{VLDB} '18},
        volume = {11},
        number = {12},
        pages = {1974--1977},
        doi = {10.14778/3229863.3236238},
        url = {https://doi.org/10.14778/3229863.3236238},
        year = {2018}
}

Incoming Citations (Sorted by Pagerank)

Showing 3 of 3 citing papers.

Rank	Citing Paper	Year	Venue	Pagerank
9,711	Database Gyms	2023	CIDR	5.1352441e-05
10,180	Projection-Compliant Database Generation	2022	VLDB	5.06553e-05
10,570	Detecting Logic Bugs in DBMSs via Equivalent Data Construction	2026	SIGMOD	4.9769913e-05

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
106	Quickly Generating Billion-Record Synthetic Databases	1994	SIGMOD	0.00033518428
748	QAGen: Generating Query-Aware Test Databases	2007	SIGMOD	0.00014277246
956	Flexible Database Generators	2005	VLDB	0.0001286031
2,414	Data Generation using Declarative Constraints	2011	SIGMOD	8.5054535e-05
6,120	Just can't get enough - Synthesizing Big Data	2015	SIGMOD	5.878273e-05
8,034	Dscaler: Synthetically Scaling A Given Relational Database	2016	VLDB	5.401567e-05
13,909	CODD: A Dataless Approach to Big Data Testing	2015	VLDB	-

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