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Estimating Alphanumeric Selectivity in the Presence of Wildcards

Summary: First study of alphanumeric selectivity with wildcards, using a suffix-tree-based structure built from a statistics pass over the database. Suffix-tree-based models guide selectivity estimation for LIKE predicates; empirical results on TPC‑D show five promising techniques. (summarized by gpt-5-nano on Feb 09 2026)

Paper ID
2892
Venue
SIGMOD
Year
1996
Pagerank
0.00013672625
Overall Rank
1,145 | 92.05%
DOI
-

Incoming Non-self Citations Over Time

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Incoming Citations (Sorted by Pagerank)

Showing 21 of 21 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
1,379 Substring Selectivity Estimation 1999 PODS 0.00012280308
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
2,844 Selectivity Estimation in Extensible Databases - A Neural Network Approach 1998 VLDB 8.0308994e-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
4,433 Selectivity Estimation for Fuzzy String Predicates in Large Data Sets 2005 VLDB 6.1852739e-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
6,055 Spatial Indexing in Microsoft SQL Server 2008 2008 SIGMOD 5.2297716e-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
9,727 SPACE: Cardinality Estimation for Path Queries Using Cardinality-Aware Sequence-based Learning 2025 SIGMOD 4.2901665e-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
67 The Merge/Purge Problem for Large Databases 1995 SIGMOD 0.00061419648
92 Practical Selectivity Estimation through Adaptive Sampling 1990 SIGMOD 0.00051431888
328 Balancing Histogram Optimality and Practicality for Query Result Size Estimation 1995 SIGMOD 0.00027301497
369 Sequential Sampling Procedures For Query Size Estimation 1992 SIGMOD 0.00025502381
614 Copy Detection Mechanisms for Digital Documents 1995 SIGMOD 0.00019088537
1,432 Combinatorial Pattern Discovery for Scientific Data: Some Preliminary Results 1994 SIGMOD 0.00012000371
3,338 Hypergraph based reorderings of outer join queries with complex predicates 1995 SIGMOD 7.1990012e-05
5,597 Practical Prefetching via Data Compression (extended abstract) 1993 SIGMOD 5.4167486e-05
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3,036 Multi-Dimensional Substring Selectivity Estimation 1999 VLDB 7.671524e-05
2,168 Selectivity Estimation For Boolean Queries 2000 PODS 9.3877451e-05
5,825 Space-efficient Substring Occurrence Estimation 2011 PODS 5.3119504e-05
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