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Keyword Search in Databases: The Power of RDBMS

Summary: SQL-based keyword search over RDBMSs discovers interconnected tuple structures (connected trees, radius-bounded reachability, multi-center subgraphs) with size control. Tuple reduction prunes irrelevant tuples via SQL, then evaluates the reduced data with SQL; no new indexing, validated on two commercial RDBMSs and two real datasets. (summarized by gpt-5-nano on Feb 09 2026)

Paper ID
hc20228742655194f
Venue
SIGMOD
Year
2009
Pagerank
0.00010456517
Overall Rank
1,501 | 89.92%
DOI
10.1145/1559845.1559917

Incoming Non-self Citations Over Time

Authors

BibTeX Citation

@inproceedings{qin_sigmod09,
        title = {{Keyword Search in Databases: The Power of RDBMS}},
        author = {Qin, Lu and Yu, Jeffrey Xu and Chang, Lijun},
        series = {{SIGMOD} '09},
        booktitle = {Proceedings of the {ACM} {SIGMOD} International Conference on Management of Data},
        publisher = {Association for Computing Machinery},
        doi = {10.1145/1559845.1559917},
        url = {https://dl.acm.org/doi/10.1145/1559845.1559917},
        year = {2009}
}

Incoming Citations (Sorted by Pagerank)

Showing 15 of 15 citing papers.

Rank Citing Paper Year Venue Pagerank
1,221 SODA: Generating SQL for Business Users 2012 VLDB 0.00011469979
1,273 Discovering Queries based on Example Tuples 2014 SIGMOD 0.00011243661
1,345 Reverse Engineering Complex Join Queries 2013 SIGMOD 0.00010948072
2,679 FastQRE: Fast Query Reverse Engineering 2018 SIGMOD 8.1415698e-05
3,461 REGAL+: Reverse Engineering SPJA Queries 2018 VLDB 7.2806224e-05
3,730 Keyword Search over Relational Databases: A Metadata Approach 2011 SIGMOD 7.0663712e-05
4,809 Finding Patterns in a Knowledge Base using Keywords to Compose Table Answers 2014 VLDB 6.4051922e-05
6,523 Trip Planning by an Integrated Search Paradigm 2018 SIGMOD 5.7546462e-05
8,160 Optimizing and Parallelizing Ranked Enumeration 2011 VLDB 5.3863592e-05
8,502 Understanding Queries in a Search Database System 2010 PODS 5.3284161e-05
9,108 Toward Scalable Keyword Search over Relational Data 2010 VLDB 5.2258409e-05
9,836 Finding a Minimal Tree Pattern Under Neighborhood Constraints 2011 PODS 5.1225638e-05
10,822 A Practical Sublinear Approximation for Group Steiner Tree 2026 VLDB 4.9769913e-05
12,731 Exploratory Keyword Search on Data Graphs 2010 SIGMOD 4.9769913e-05
12,758 Ten Thousand SQLs: Parallel Keyword Queries Computing 2010 VLDB 4.9769913e-05
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Outgoing Citations (Sorted by Pagerank)

Showing 17 of 17 cited papers.

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

Rank Cited Paper Year Venue Pagerank
38 DISCOVER: Keyword Search in Relational Databases 2002 VLDB 0.00047373961
73 Including Group-By in Query Optimization 1994 VLDB 0.0003750677
129 Efficient and Extensible Algorithms for Multi Query Optimization 2000 SIGMOD 0.00030395767
217 Efficient IR-Style Keyword Search over Relational Databases 2003 VLDB 0.00024454844
270 BLINKS: Ranked Keyword Searches on Graphs 2007 SIGMOD 0.00022588961
272 An Overview of Query Optimization in Relational Systems 1998 PODS 0.0002251422
290 ObjectRank: Authority-Based Keyword Search in Databases 2004 VLDB 0.00021944946
293 Bidirectional Expansion For Keyword Search on Graph Databases 2005 VLDB 0.00021933539
770 Effective Keyword Search in Relational Databases 2006 SIGMOD 0.00014099513
942 SPARK: Top-k Keyword Query in Relational Databases 2007 SIGMOD 0.00012950177
1,132 Efficient Exploitation of Similar Subexpressions for Query Processing 2007 SIGMOD 0.00011893781
1,446 Finding and Approximating Top-k Answers in Keyword Proximity Search 2006 PODS 0.00010625633
1,565 Keyword Proximity Search in Complex Data Graphs 2008 SIGMOD 0.00010216262
2,397 Integrating DB and IR Technologies: What is the Sound of One Hand Clapping? * 2005 CIDR 8.5238625e-05
3,509 Keyword Search on External Memory Data Graphs 2008 VLDB 7.24401e-05
3,590 Scalable Multi-Query Optimization for Exploratory Queries over Federated Scientific Databases 2008 VLDB 7.1833385e-05
4,449 Keyword Search on Relational Data Streams 2007 SIGMOD 6.5936949e-05
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# Overall Rank Paper Year Venue
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