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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
2891
Venue
SIGMOD
Year
1996
Pagerank
0.00013679782
Overall Rank
1,146 | 92.03%
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 0.00027378328
1,046 Estimating the Selectivity of XML Path Expressions for Internet Scale Applications 2001 VLDB 0.00014462307
1,202 VGRAM: Improving Performance of Approximate Queries on String Collections Using Variable-Length Grams 2007 VLDB 0.00013326298
1,379 Substring Selectivity Estimation 1999 PODS 0.00012286879
2,171 Selectivity Estimation For Boolean Queries 2000 PODS 9.3807165e-05
2,193 Cost-Based Variable-Length-Gram Selection for String Collections to Support Approximate Queries Efficiently 2008 SIGMOD 9.3178557e-05
2,232 Effective Phrase Prediction 2007 VLDB 9.2293508e-05
2,841 Selectivity Estimation in Extensible Databases - A Neural Network Approach 1998 VLDB 8.0287389e-05
3,226 Extending Q-Grams to Estimate Selectivity of String Matching with Low Edit Distance 2007 VLDB 7.3433307e-05
4,359 Astrid: Accurate Selectivity Estimation for String Predicates using Deep Learning 2021 VLDB 6.2569955e-05
4,438 Selectivity Estimation for Fuzzy String Predicates in Large Data Sets 2005 VLDB 6.1898903e-05
4,660 XPathLearner: An On-Line Self-Tuning Markov Histogram for XML Path Selectivity Estimation 2002 VLDB 6.014625e-05
5,813 Space-efficient Substring Occurrence Estimation 2011 PODS 5.3170565e-05
6,051 Spatial Indexing in Microsoft SQL Server 2008 2008 SIGMOD 5.2347385e-05
7,186 LPLM: A Neural Language Model for Cardinality Estimation of LIKE-Queries 2024 SIGMOD 4.8063731e-05
7,474 Cardinality Estimation of Approximate Substring Queries using Deep Learning 2022 VLDB 4.7194345e-05
7,742 CXHist : An On-line Classification-Based Histogram for XML String Selectivity Estimation 2005 VLDB 4.6628263e-05
8,496 Dynamic Data Structures for Document Collections and Graphs 2015 PODS 4.4981899e-05
9,726 Cardinality Estimation of LIKE Predicate Queries using Deep Learning 2025 SIGMOD 4.2943379e-05
9,728 SPACE: Cardinality Estimation for Path Queries Using Cardinality-Aware Sequence-based Learning 2025 SIGMOD 4.2942813e-05
9,945 SSCard: Substring Cardinality Estimation using Suffix Tree-Guided Learned FM-Index 2026 SIGMOD 4.2432653e-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 0.0040449103
67 The Merge/Purge Problem for Large Databases 1995 SIGMOD 0.00061348205
92 Practical Selectivity Estimation through Adaptive Sampling 1990 SIGMOD 0.00051315959
327 Balancing Histogram Optimality and Practicality for Query Result Size Estimation 1995 SIGMOD 0.00027308479
367 Sequential Sampling Procedures For Query Size Estimation 1992 SIGMOD 0.00025509745
616 Copy Detection Mechanisms for Digital Documents 1995 SIGMOD 0.00019108201
1,433 Combinatorial Pattern Discovery for Scientific Data: Some Preliminary Results 1994 SIGMOD 0.00012009649
3,339 Hypergraph based reorderings of outer join queries with complex predicates 1995 SIGMOD 7.2038026e-05
5,587 Practical Prefetching via Data Compression (extended abstract) 1993 SIGMOD 5.4218484e-05
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3,035 Multi-Dimensional Substring Selectivity Estimation 1999 VLDB 7.6748073e-05
2,171 Selectivity Estimation For Boolean Queries 2000 PODS 9.3807165e-05
5,813 Space-efficient Substring Occurrence Estimation 2011 PODS 5.3170565e-05
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