An Incrementally Maintainable Index for Approximate Lookups in Hierarchical Data
Summary: Persistent, incrementally maintainable index for approximate lookups in hierarchical data with pq-grams. Updates driven by a log of tree edits; only a small pq-gram set is refreshed, with correctness proven and scalable results on synthetic data. (summarized by gpt-5-nano on Feb 09 2026)
Incoming Non-self Citations Over Time
Authors
- 1. Nikolaus Augsten
- 2. Michael Böhlen
- 3. Johann Gamper
Incoming Citations (Sorted by Pagerank)
Showing 3 of 3 citing papers.
| Rank | Citing Paper | Year | Venue | Pagerank |
|---|---|---|---|---|
| 949 | Comparing Stars: On Approximating Graph Edit Distance | 2009 | VLDB | 0.0001510288 |
| 3,302 | RTED: A Robust Algorithm for the Tree Edit Distance | 2012 | VLDB | 7.2445358e-05 |
| 9,444 | On-the-Fly Token Similarity Joins in Relational Databases | 2014 | SIGMOD | 4.3382418e-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 |
|---|---|---|---|---|
| 239 | Holistic Twig Joins: Optimal XML Pattern Matching | 2002 | SIGMOD | 0.00031581944 |
| 392 | Indexing and Querying XML Data for Regular Path Expressions | 2001 | VLDB | 0.00024546229 |
| 414 | A Fast Index for Semistructured Data | 2001 | VLDB | 0.00023801668 |
| 993 | D(K)-Index: An Adaptive Structural Summary for Graph-Structured Data | 2003 | SIGMOD | 0.00014759406 |
| 2,591 | DogmatiX Tracks down Duplicates in XML | 2005 | SIGMOD | 8.4851409e-05 |
| 2,786 | Approximate XML Joins | 2002 | SIGMOD | 8.1223413e-05 |
| 3,206 | Similarity Evaluation on Tree-structured Data | 2005 | SIGMOD | 7.3855924e-05 |
| 3,421 | Approximate XML Query Answers | 2004 | SIGMOD | 7.1107127e-05 |
| 3,468 | Updates for Structure Indexes | 2002 | VLDB | 7.0634268e-05 |
| 4,402 | Approximate Matching of Hierarchical Data Using pq-Grams | 2005 | VLDB | 6.2086707e-05 |
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Semantically Similar Papers
| Overall Rank | Paper | Year | Venue | Pagerank |
|---|---|---|---|---|
| 844 | The PGM-index: a fully-dynamic compressed learned index with provable worst-case bounds | 2020 | VLDB | 0.00015964123 |
| 5,154 | Hist-Tree: Those Who Ignore It Are Doomed to Learn | 2021 | CIDR | 5.6548237e-05 |
| 3,468 | Updates for Structure Indexes | 2002 | VLDB | 7.0634268e-05 |
| 9,427 | Indexing Highly Dynamic Hierarchical Data | 2015 | VLDB | 4.3399748e-05 |
| 2,550 | Updatable Learned Index with Precise Positions | 2021 | VLDB | 8.5569576e-05 |
| 11,603 | Dynamic Interleaving of Content and Structure for Robust Indexing of Semi-Structured Hierarchical Data | 2020 | VLDB | 4.1905499e-05 |
| 5,679 | Incremental Maintenance of XML Structural Indexes | 2004 | SIGMOD | 5.3760807e-05 |
| 5,624 | A Scalable Index for Top-k Subtree Similarity Queries | 2019 | SIGMOD | 5.4049016e-05 |
| 4,878 | Incremental Maintenance of Length Normalized Indexes for Approximate String Matching | 2009 | SIGMOD | 5.8537044e-05 |
| 4,402 | Approximate Matching of Hierarchical Data Using pq-Grams | 2005 | VLDB | 6.2086707e-05 |