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Substring Selectivity Estimation

Summary: Introduces MO (Maximal Overlap), a substring selectivity estimator using pruned count-suffix trees that leverages all maximal query substrings to produce better estimates. Proves MO dominates KVI under short‑memory strings and gives MOC/MOLC algs trading accuracy vs cost. (summarized by gpt-5-mini on Feb 09 2026)

Paper ID
1179
Venue
PODS
Year
1999
Pagerank
0.00012280308
Overall Rank
1,379 | 90.42%
DOI
-

Incoming Non-self Citations Over Time

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Incoming Citations (Sorted by Pagerank)

Showing 17 of 17 citing papers.

Rank Citing Paper Year Venue Pagerank
325 The History of Histograms (abridged) 2003 VLDB 0.00027398081
1,045 Estimating the Selectivity of XML Path Expressions for Internet Scale Applications 2001 VLDB 0.00014451072
1,203 VGRAM: Improving Performance of Approximate Queries on String Collections Using Variable-Length Grams 2007 VLDB 0.00013317317
1,727 QuickSel: Quick Selectivity Learning with Mixture Models 2020 SIGMOD 0.00010731889
2,168 Selectivity Estimation For Boolean Queries 2000 PODS 9.3877451e-05
2,196 Cost-Based Variable-Length-Gram Selection for String Collections to Support Approximate Queries Efficiently 2008 SIGMOD 9.318552e-05
2,235 Effective Phrase Prediction 2007 VLDB 9.2208486e-05
3,229 Extending Q-Grams to Estimate Selectivity of String Matching with Low Edit Distance 2007 VLDB 7.3390133e-05
4,352 Astrid: Accurate Selectivity Estimation for String Predicates using Deep Learning 2021 VLDB 6.2542257e-05
4,657 XPathLearner: An On-Line Self-Tuning Markov Histogram for XML Path Selectivity Estimation 2002 VLDB 6.0098065e-05
5,825 Space-efficient Substring Occurrence Estimation 2011 PODS 5.3119504e-05
7,188 LPLM: A Neural Language Model for Cardinality Estimation of LIKE-Queries 2024 SIGMOD 4.8017628e-05
7,473 Cardinality Estimation of Approximate Substring Queries using Deep Learning 2022 VLDB 4.7149077e-05
7,740 CXHist : An On-line Classification-Based Histogram for XML String Selectivity Estimation 2005 VLDB 4.658789e-05
8,494 Dynamic Data Structures for Document Collections and Graphs 2015 PODS 4.493876e-05
9,725 Cardinality Estimation of LIKE Predicate Queries using Deep Learning 2025 SIGMOD 4.290223e-05
9,947 SSCard: Substring Cardinality Estimation using Suffix Tree-Guided Learned FM-Index 2026 SIGMOD 4.2391999e-05
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Outgoing Citations (Sorted by Pagerank)

Showing 9 of 9 cited papers.

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

Rank Cited Paper Year Venue Pagerank
1 Access Path Selection in a Relational Database Management System 1979 SIGMOD 0.0040465394
63 Improved Histograms for Selectivity Estimation of Range Predicates 1996 SIGMOD 0.00063595699
67 The Merge/Purge Problem for Large Databases 1995 SIGMOD 0.00061419648
114 Equi-Depth Histograms For Estimating Selectivity Factors For Multi-Dimensional Queries 1988 SIGMOD 0.00046317654
326 Optimal Histograms with Quality Guarantees 1998 VLDB 0.0002737538
328 Balancing Histogram Optimality and Practicality for Query Result Size Estimation 1995 SIGMOD 0.00027301497
751 Query Size Estimation by Adaptive Sampling (Extended Abstract) 1990 PODS 0.00017155121
801 Universality of Serial Histograms 1993 VLDB 0.00016440976
1,145 Estimating Alphanumeric Selectivity in the Presence of Wildcards 1996 SIGMOD 0.00013672625
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Overall Rank Paper Year Venue Pagerank
8,146 Approximate Substring Matching over Uncertain Strings 2011 VLDB 4.5724134e-05
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7,707 Efficient Top-k Algorithms for Approximate Substring Matching 2013 SIGMOD 4.6676985e-05
9,947 SSCard: Substring Cardinality Estimation using Suffix Tree-Guided Learned FM-Index 2026 SIGMOD 4.2391999e-05
1,045 Estimating the Selectivity of XML Path Expressions for Internet Scale Applications 2001 VLDB 0.00014451072
5,825 Space-efficient Substring Occurrence Estimation 2011 PODS 5.3119504e-05
1,145 Estimating Alphanumeric Selectivity in the Presence of Wildcards 1996 SIGMOD 0.00013672625
3,229 Extending Q-Grams to Estimate Selectivity of String Matching with Low Edit Distance 2007 VLDB 7.3390133e-05
2,168 Selectivity Estimation For Boolean Queries 2000 PODS 9.3877451e-05
3,036 Multi-Dimensional Substring Selectivity Estimation 1999 VLDB 7.671524e-05