CrowdDB: Query Processing with the VLDB Crowd

Summary: CrowdDB: a hybrid DB using crowdsourcing to answer queries with missing data and fuzzy semantics. SQL-based querying and data modeling with compilation/optimization; operators expose UI to collect and cleanse human input; supports MTurk and mobile crowds. (summarized by gpt-5-nano on Feb 09 2026)

Paper ID: 10207
Venue: VLDB
Year: 2011
Pagerank: 0.0001021098
Overall Rank: 1,885 | 86.89%
DOI: -

Incoming Non-self Citations Over Time

Authors

Incoming Citations (Sorted by Pagerank)

Showing 14 of 14 citing papers.

Rank	Citing Paper	Year	Venue	Pagerank
263	CrowdER: Crowdsourcing Entity Resolution	2012	VLDB	0.00029862413
1,164	CrowdScreen: Algorithms for Filtering Data with Humans	2012	SIGMOD	0.00013564823
3,322	iCrowd: An Adaptive Crowdsourcing Framework	2015	SIGMOD	7.2230626e-05
4,619	Crowd-Based Deduplication: An Adaptive Approach	2015	SIGMOD	6.0444854e-05
4,827	An Online Cost Sensitive Decision-Making Method in Crowdsourcing Systems	2013	SIGMOD	5.8938399e-05
4,889	CyLog/Crowd4U: A Declarative Platform for Complex Data-centric Crowdsourcing	2012	VLDB	5.8525069e-05
5,658	Databases Unbound: Querying All of the World's Bytes with AI	2024	VLDB	5.385675e-05
6,426	Fluid: A Blockchain based Framework for Crowdsourcing	2019	SIGMOD	5.0670573e-05
7,023	Hear the Whole Story: Towards the Diversity of Opinion in Crowdsourcing Markets	2015	VLDB	4.8576599e-05
8,056	Where To: Crowd-Aided Path Selection	2014	VLDB	4.5946189e-05
10,456	SwellDB: Dynamic Query-Driven Table Generation with Large Language Models	2025	SIGMOD	4.1945683e-05
11,810	A Confidence-Aware Top-k Query Processing Toolkit on Crowdsourcing	2017	VLDB	4.1945683e-05
11,867	Collaborative Crowdsourcing with Crowd4U	2016	VLDB	4.1945683e-05
12,064	Mobility and Social Networking: A Data Management Perspective	2013	VLDB	4.1945683e-05

Outgoing Citations (Sorted by Pagerank)

Showing 2 of 2 cited papers.

Citations counted here include only citations to other VLDB/SIGMOD/CIDR/PODS papers in this database.

Rank	Cited Paper	Year	Venue	Pagerank
94	CrowdDB: Answering Queries with Crowdsourcing	2011	SIGMOD	0.00051013264
2,123	Demonstration of Qurk: A Query Processor for Human Operators	2011	SIGMOD	9.4945521e-05

Semantically Similar Papers

Overall Rank	Paper	Year	Venue	Pagerank
11,720	Crowdsourcing Analytics with CrowdCur	2018	SIGMOD	4.1945683e-05
7,572	Pushing the Boundaries of Crowd-enabled Databases with Query-driven Schema Expansion	2012	VLDB	4.7075553e-05
11,788	CDB: Optimizing Queries with Crowd-Based Selections and Joins	2017	SIGMOD	4.1945683e-05
4,416	CrowdMatcher: Crowd-Assisted Schema Matching	2014	SIGMOD	6.2039225e-05
249	Crowdsourced Databases: Query Processing with People	2011	CIDR	0.00030740523
4,889	CyLog/Crowd4U: A Declarative Platform for Complex Data-centric Crowdsourcing	2012	VLDB	5.8525069e-05
2,123	Demonstration of Qurk: A Query Processor for Human Operators	2011	SIGMOD	9.4945521e-05
5,279	CDB: A Crowd-Powered Database System	2018	VLDB	5.5902418e-05
3,935	CrowdQ: Crowdsourced Query Understanding	2013	CIDR	6.6163464e-05
94	CrowdDB: Answering Queries with Crowdsourcing	2011	SIGMOD	0.00051013264