Locking-Aware Structural Join Operators for XML Query Processing
Summary: Proposes locking-aware twig pattern operators for XML queries, using stable path labeling IDs (SPLIDs) and document/element set indexes to enable concurrent updates. Empirical results on a native XDBMS show comparable single-user performance to holistic twig joins, with higher throughput under multi-user access for twig queries (child/descendant axes). (summarized by gpt-5-nano on Feb 09 2026)
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Authors
- 1. Christian Mathis
- 2. Theo Härder
- 3. Michael Haustein
Incoming Citations (Sorted by Pagerank)
Showing 1 of 1 citing papers.
| Rank | Citing Paper | Year | Venue | Pagerank |
|---|---|---|---|---|
| 9,510 | XTCcmp: XQuery Compilation on XTC | 2008 | VLDB | 4.3300131e-05 |
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Outgoing Citations (Sorted by Pagerank)
Showing 11 of 11 cited papers.
Citations counted here include only citations to other VLDB/SIGMOD/CIDR/PODS papers in this database.
| Rank | Cited Paper | Year | Venue | Pagerank |
|---|---|---|---|---|
| 99 | XMark: A Benchmark for XML Data Management | 2002 | VLDB | 0.00050043993 |
| 175 | ARIES/KVL: A Key-Value Locking Method for Concurrency Control of Multiaction Transactions Operating on B-Tree Indexes | 1990 | VLDB | 0.00038354115 |
| 193 | On Supporting Containment Queries in Relational Database Management Systems | 2001 | SIGMOD | 0.00035591171 |
| 239 | Holistic Twig Joins: Optimal XML Pattern Matching | 2002 | SIGMOD | 0.00031581944 |
| 447 | Storing and Querying Ordered XML Using a Relational Database System | 2002 | SIGMOD | 0.00022927245 |
| 712 | Efficient Algorithms for Processing XPath Queries | 2002 | VLDB | 0.00017714027 |
| 843 | ORDPATHs: Insert-Friendly XML Node Labels | 2004 | SIGMOD | 0.00015975516 |
| 2,066 | System RX: One Part Relational, One Part XML | 2005 | SIGMOD | 9.64571e-05 |
| 3,125 | Holistic Twig Joins on Indexed XML Documents | 2003 | VLDB | 7.5228453e-05 |
| 3,151 | Labeling Dynamic XML Trees | 2002 | PODS | 7.4735481e-05 |
| 5,580 | Efficient Processing of XML Twig Queries with OR-Predicates | 2004 | SIGMOD | 5.4216254e-05 |
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