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Query Optimization for XML

Summary: XML query optimization in Lore: a cost-based optimizer tailored for semistructured XML data. Introduces XML-specific indexing, refined statistics, and a custom plan space with enumeration and heuristics; implemented with preliminary results. (summarized by gpt-5-nano on Feb 09 2026)

Paper ID
8577
Venue
VLDB
Year
1999
Pagerank
0.00021530411
Overall Rank
501 | 96.52%
DOI
-

Incoming Non-self Citations Over Time

Authors

Incoming Citations (Sorted by Pagerank)

Showing 28 of 28 citing papers.

Rank Citing Paper Year Venue Pagerank
240 Holistic Twig Joins: Optimal XML Pattern Matching 2002 SIGMOD 0.00031603463
336 Bidirectional Expansion For Keyword Search on Graph Databases 2005 VLDB 0.00027020919
391 Indexing and Querying XML Data for Regular Path Expressions 2001 VLDB 0.00024564567
415 A Fast Index for Semistructured Data 2001 VLDB 0.00023814619
425 Stack-based Algorithms for Pattern Matching on DAGs 2005 VLDB 0.00023598882
1,046 Estimating the Selectivity of XML Path Expressions for Internet Scale Applications 2001 VLDB 0.00014462307
2,010 StatiX: Making XML Count 2002 SIGMOD 9.7970026e-05
2,161 On the Integration of Structure Indexes and Inverted Lists 2004 SIGMOD 9.4002771e-05
2,316 Statistical Synopses for Graph-Structured XML Databases 2002 SIGMOD 9.0419716e-05
2,952 On Wrapping Query Languages and Efficient XML Integration 2000 SIGMOD 7.8300484e-05
3,113 Structure and Value Synopses for XML Data Graphs 2002 VLDB 7.5469926e-05
3,120 Holistic Twig Joins on Indexed XML Documents 2003 VLDB 7.5295938e-05
3,419 Approximate XML Query Answers 2004 SIGMOD 7.1173416e-05
4,207 Mixed Mode XML Query Processing 2003 VLDB 6.359465e-05
4,660 XPathLearner: An On-Line Self-Tuning Markov Histogram for XML Path Selectivity Estimation 2002 VLDB 6.014625e-05
4,931 Efficient Evaluation of XQuery over Streaming Data 2005 VLDB 5.8207617e-05
5,543 Optimizing the Secure Evaluation of Twig Queries 2002 VLDB 5.4463168e-05
5,574 Efficient Processing of XML Twig Queries with OR-Predicates 2004 SIGMOD 5.4268403e-05
5,663 Incremental Maintenance of XML Structural Indexes 2004 SIGMOD 5.3832923e-05
5,820 Efficient Processing of XML Path Queries Using the Disk-based F&B Index 2005 VLDB 5.3135144e-05
6,269 Incorporating XSL Processing Into Database Engines 2002 VLDB 5.1337792e-05
6,844 Querying and Monitoring Distributed Business Processes 2008 VLDB 4.9095428e-05
7,639 Why Off-the-Shelf RDBMSs are Better at XPath Than You Might Expect 2007 SIGMOD 4.6904624e-05
9,178 Tree-Pattern Queries on a Lightweight XML Processor 2005 VLDB 4.3828426e-05
9,750 ReCG: Bottom-Up JSON Schema Discovery Using a Repetitive Cluster-and-Generalize Framework 2024 VLDB 4.2897489e-05
12,305 Cost Based Plan Selection for XPath 2009 SIGMOD 4.1945683e-05
12,676 On Processing XML in LDAP 2001 VLDB 4.1945683e-05
12,680 Storage and Retrieval of XML Data Using Relational Databases 2001 VLDB 4.1945683e-05
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Outgoing Citations (Sorted by Pagerank)

Showing 10 of 10 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
28 Accurate Estimation Of The Number Of Tuples Satisfying A Condition 1984 SIGMOD 0.00080435857
61 DataGuides: Enabling Query Formulation and Optimization in Semistructured Databases 1997 VLDB 0.00064329285
114 A Query Language and Optimization Techniques for Unstructured Data 1996 SIGMOD 0.00046339735
1,081 Catching the Boat with Strudel: Experiences with a Web-Site Management System 1998 SIGMOD 0.00014216794
1,314 Semistructured Data 1997 PODS 0.0001263326
2,503 Evaluating Queries with Generalized Path Expressions 1996 SIGMOD 8.6379665e-05
3,902 Cost-based Selection of Path Expression Processing Algorithms in Object-Oriented Databases 1996 VLDB 6.6499453e-05
4,277 A Blackboard Architecture for Query Optimization in Object Bases 1993 VLDB 6.2959161e-05
4,933 A Cost Model for Clustered Object-Oriented Databases 1995 VLDB 5.8205625e-05
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4,539 XQuery Implementation in a Relational Database System 2005 VLDB 6.1038066e-05
8,260 Query Engines for Web-Accessible XML Data 2001 VLDB 4.5485266e-05
7,302 Benefits of Path Summaries in an XML Query Optimizer Supporting Multiple Access Methods 2005 VLDB 4.7687064e-05
153 Relational Databases for Querying XML Documents: Limitations and Opportunities 1999 VLDB 0.00040784455
2,952 On Wrapping Query Languages and Efficient XML Integration 2000 SIGMOD 7.8300484e-05
12,363 XML Query Optimization in the Presence of Side Effects 2008 SIGMOD 4.1945683e-05
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