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DISCOVER: Keyword Search in Relational Databases

Summary: keyword-only search over relational DBs; returns qualifying joining networks of tuples containing all query keywords. two-stage: Candidate Network Generator enumerates join networks; Plan Generator builds reusable plans; optimal plan NP-hard; greedy yields near-optimal costs; experiments show tuning. (summarized by gpt-5-nano on Feb 09 2026)

Paper ID
8885
Venue
VLDB
Year
2002
Pagerank
0.00048828554
Overall Rank
36 | 99.76%
DOI
-

Incoming Non-self Citations Over Time

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Incoming Citations (Sorted by Pagerank)

Showing 50 of 99 citing papers.

Rank Citing Paper Year Venue Pagerank
50 Efficient Query Evaluation on Probabilistic Databases 2004 VLDB 0.00043653232
74 XRANK: Ranked Keyword Search over XML Documents 2003 SIGMOD 0.00037585693
87 WebTables: Exploring the Power of Tables on the Web 2008 VLDB 0.00035768129
179 Constructing an Interactive Natural Language Interface for Relational Databases 2015 VLDB 0.0002710663
210 Efficient IR-Style Keyword Search over Relational Databases 2003 VLDB 0.00025118089
268 BLINKS: Ranked Keyword Searches on Graphs 2007 SIGMOD 0.00022984157
276 ObjectRank: Authority-Based Keyword Search in Databases 2004 VLDB 0.00022660875
297 Bidirectional Expansion For Keyword Search on Graph Databases 2005 VLDB 0.00022068839
306 Making Database Systems Usable 2007 SIGMOD 0.00021823454
456 ATHENA: An Ontology-Driven System for Natural Language Querying over Relational Data Stores 2016 VLDB 0.00018230984
482 Schema-Free XQuery 2004 VLDB 0.00017759591
684 Data Integration with Uncertainty 2007 VLDB 0.00015113784
734 Effective Keyword Search in Relational Databases 2006 SIGMOD 0.00014637186
775 Efficient Keyword Search for Smallest LCAs in XML Databases 2005 SIGMOD 0.00014151275
911 SPARK: Top-k Keyword Query in Relational Databases 2007 SIGMOD 0.00013341117
1,157 Finding and Approximating Top-k Answers in Keyword Proximity Search 2006 PODS 0.00011998688
1,174 SQAK: Doing More with Keywords 2008 SIGMOD 0.00011925013
1,210 SODA: Generating SQL for Business Users 2012 VLDB 0.00011758879
1,300 Discovering Queries based on Example Tuples 2014 SIGMOD 0.00011330513
1,444 Keyword Proximity Search in Complex Data Graphs 2008 SIGMOD 0.00010856616
1,519 Keyword Search in Databases: The Power of RDBMS 2009 SIGMOD 0.00010567722
1,547 LSH Ensemble: Internet-Scale Domain Search 2016 VLDB 0.00010451676
1,708 Structured Querying of Web Text: A Technical Challenge 2007 CIDR 0.00010041923
1,744 Sample-Driven Schema Mapping 2012 SIGMOD 9.9307003e-05
1,813 BANKS: Browsing and Keyword Searching in Relational Databases 2002 VLDB 9.7881639e-05
1,821 Probabilistic Ranking of Database Query Results 2004 VLDB 9.7728409e-05
1,850 EASE: An Effective 3-in-1 Keyword Search Method for Unstructured, Semi-structured and Structured Data 2008 SIGMOD 9.7014828e-05
2,164 Automatic Categorization of Query Results 2004 SIGMOD 9.0977344e-05
2,187 Identifying Meaningful Return Information for XML Keyword Search 2007 SIGMOD 9.0554529e-05
2,205 Relational link-based ranking 2004 VLDB 9.0230518e-05
2,324 Integrating DB and IR Technologies: What is the Sound of One Hand Clapping? * 2005 CIDR 8.8288911e-05
2,365 Structured Search Result Differentiation 2009 VLDB 8.7622278e-05
2,372 S4: Top-k Spreadsheet-Style Search for Query Discovery 2015 SIGMOD 8.7496762e-05
2,453 Keyword++: A Framework to Improve Keyword Search Over Entity Databases 2010 VLDB 8.6313734e-05
2,579 FastQRE: Fast Query Reverse Engineering 2018 SIGMOD 8.4614533e-05
2,735 Towards Keyword-Driven Analytical Processing 2007 SIGMOD 8.2521911e-05
2,782 Expressive and Flexible Access to Web-Extracted Data: A Keyword-based Structured Query Language 2010 SIGMOD 8.1917378e-05
2,869 DB&IR: Both Sides Now (Extended Abstract) 2007 SIGMOD 8.0819481e-05
2,930 Learning to Create Data-Integrating Queries 2008 VLDB 8.018806e-05
3,021 Answering (Unions of) Conjunctive Queries using Random Access and Random-Order Enumeration 2020 PODS 7.9062964e-05
3,190 Keyword Search on Structured and Semi-Structured Data 2009 SIGMOD 7.7236432e-05
3,244 Ten Years of WebTables 2018 VLDB 7.6761373e-05
3,248 Reverse Engineering Aggregation Queries 2017 VLDB 7.6702864e-05
3,362 OpenSearch-SQL: Enhancing Text-to-SQL with Dynamic Few-shot and Consistency Alignment 2025 SIGMOD 7.547454e-05
3,403 Keyword Search on External Memory Data Graphs 2008 VLDB 7.5123237e-05
3,408 REGAL+: Reverse Engineering SPJA Queries 2018 VLDB 7.5095044e-05
3,601 Keyword Search over Relational Databases: A Metadata Approach 2011 SIGMOD 7.3327274e-05
3,627 Example-Driven Query Intent Discovery: Abductive Reasoning using Semantic Similarity 2019 VLDB 7.315323e-05
3,753 CSV: Visualizing and Mining Cohesive Subgraphs 2008 SIGMOD 7.2047617e-05
3,989 Efficient Type-Ahead Search on Relational Data: a TASTIER Approach 2009 SIGMOD 7.0431521e-05
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Outgoing Citations (Sorted by Pagerank)

Showing 4 of 4 cited papers.

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

Rank Cited Paper Year Venue Pagerank
127 Efficient and Extensible Algorithms for Multi Query Optimization 2000 SIGMOD 0.00031128834
147 Common Expression Analysis in Database Applications 1982 SIGMOD 0.00029440496
290 Proximity Search in Databases 1998 VLDB 0.00022397482
2,099 An Approximate Search Engine for Structural Databases 2000 SIGMOD 9.2415709e-05
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