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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
0.00065993143
Overall Rank
53 | 99.64%
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
73 XRANK: Ranked Keyword Search over XML Documents 2003 SIGMOD 0.0005840064
74 Efficient Query Evaluation on Probabilistic Databases 2004 VLDB 0.00057797415
108 WebTables: Exploring the Power of Tables on the Web 2008 VLDB 0.00048345996
205 Constructing an Interactive Natural Language Interface for Relational Databases 2015 VLDB 0.00034651121
257 Making Database Systems Usable 2007 SIGMOD 0.00030237174
278 Efficient IR-Style Keyword Search over Relational Databases 2003 VLDB 0.00029322862
302 BLINKS: Ranked Keyword Searches on Graphs 2007 SIGMOD 0.00028343691
320 ObjectRank: Authority-Based Keyword Search in Databases 2004 VLDB 0.00027574254
337 Bidirectional Expansion For Keyword Search on Graph Databases 2005 VLDB 0.00027002505
535 ATHENA: An Ontology-Driven System for Natural Language Querying over Relational Data Stores 2016 VLDB 0.00020718836
547 Schema-Free XQuery 2004 VLDB 0.00020372992
718 Data Integration with Uncertainty 2007 VLDB 0.00017558942
873 Effective Keyword Search in Relational Databases 2006 SIGMOD 0.0001570125
989 Efficient Keyword Search for Smallest LCAs in XML Databases 2005 SIGMOD 0.00014805498
1,072 Finding and Approximating Top-k Answers in Keyword Proximity Search 2006 PODS 0.00014256848
1,153 SQAK: Doing More with Keywords 2008 SIGMOD 0.00013633055
1,168 SODA: Generating SQL for Business Users 2012 VLDB 0.00013531301
1,202 SPARK: Top-k Keyword Query in Relational Databases 2007 SIGMOD 0.0001333126
1,398 Structured Querying of Web Text: A Technical Challenge 2007 CIDR 0.00012201166
1,453 Keyword Proximity Search in Complex Data Graphs 2008 SIGMOD 0.00011921738
1,502 Discovering Queries based on Example Tuples 2014 SIGMOD 0.00011614522
1,564 Keyword Search in Databases: The Power of RDBMS 2009 SIGMOD 0.00011340407
1,633 Relational link-based ranking 2004 VLDB 0.00011062304
1,664 Structured Search Result Differentiation 2009 VLDB 0.0001096091
1,840 Identifying Meaningful Return Information for XML Keyword Search 2007 SIGMOD 0.00010350281
1,974 BANKS: Browsing and Keyword Searching in Relational Databases 2002 VLDB 9.8822798e-05
1,996 Probabilistic Ranking of Database Query Results 2004 VLDB 9.8374939e-05
2,017 DB&IR: Both Sides Now (Extended Abstract) 2007 SIGMOD 9.7875061e-05
2,027 Keyword++: A Framework to Improve Keyword Search Over Entity Databases 2010 VLDB 9.7396736e-05
2,081 Sample-Driven Schema Mapping 2012 SIGMOD 9.58883e-05
2,101 Automatic Categorization of Query Results 2004 SIGMOD 9.5406958e-05
2,127 EASE: An Effective 3-in-1 Keyword Search Method for Unstructured, Semi-structured and Structured Data 2008 SIGMOD 9.4806381e-05
2,142 LSH Ensemble: Internet-Scale Domain Search 2016 VLDB 9.4461701e-05
2,190 Keyword Search on External Memory Data Graphs 2008 VLDB 9.3356692e-05
2,324 Expressive and Flexible Access to Web-Extracted Data: A Keyword-based Structured Query Language 2010 SIGMOD 9.0289103e-05
2,577 S4: Top-k Spreadsheet-Style Search for Query Discovery 2015 SIGMOD 8.5066436e-05
2,604 Integrating DB and IR Technologies: What is the Sound of One Hand Clapping? * 2005 CIDR 8.4628537e-05
2,717 REGAL+: Reverse Engineering SPJA Queries 2018 VLDB 8.2370772e-05
2,801 Towards Keyword-Driven Analytical Processing 2007 SIGMOD 8.1074407e-05
2,990 FastQRE: Fast Query Reverse Engineering 2018 SIGMOD 7.7727915e-05
3,116 Learning to Create Data-Integrating Queries 2008 VLDB 7.5404022e-05
3,163 Ten Years of WebTables 2018 VLDB 7.4611268e-05
3,386 Answering (Unions of) Conjunctive Queries using Random Access and Random-Order Enumeration 2020 PODS 7.151562e-05
3,456 Keyword Search on Structured and Semi-Structured Data 2009 SIGMOD 7.0756309e-05
3,485 CSV: Visualizing and Mining Cohesive Subgraphs 2008 SIGMOD 7.0470365e-05
3,662 Example-Driven Query Intent Discovery: Abductive Reasoning using Semantic Similarity 2019 VLDB 6.8647421e-05
3,668 Reverse Engineering Aggregation Queries 2017 VLDB 6.8581987e-05
3,766 Keyword Search over Relational Databases: A Metadata Approach 2011 SIGMOD 6.7753484e-05
3,862 OpenSearch-SQL: Enhancing Text-to-SQL with Dynamic Few-shot and Consistency Alignment 2025 SIGMOD 6.68436e-05
4,046 Querying Complex Structured Databases 2007 VLDB 6.5021302e-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
89 Common Expression Analysis in Database Applications 1982 SIGMOD 0.00052299473
179 Efficient and Extensible Algorithms for Multi Query Optimization 2000 SIGMOD 0.00037637319
186 Proximity Search in Databases 1998 VLDB 0.0003618341
1,315 An Approximate Search Engine for Structural Databases 2000 SIGMOD 0.00012617021
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