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Indexing Multi-Dimensional Uncertain Data with Arbitrary Probability Density Functions

Summary: Introduces U-tree, a dynamic access method for probabilistic range search on multi-dimensional uncertain data with arbitrary PDFs. Fully dynamic inserts/deletes in any order; no pdf constraints; optimizes I/O and CPU; validated by experiments. (summarized by gpt-5-nano on Feb 09 2026)

Paper ID
9370
Venue
VLDB
Year
2005
Pagerank
0.0001131667
Overall Rank
1,568 | 89.11%
DOI
-

Incoming Non-self Citations Over Time

Authors

Incoming Citations (Sorted by Pagerank)

Showing 20 of 20 citing papers.

Rank Citing Paper Year Venue Pagerank
103 ULDBs: Databases with Uncertainty and Lineage 2006 VLDB 0.00049520051
1,181 Probabilistic Skylines on Uncertain Data 2007 VLDB 0.00013447487
1,535 Efficient Search for the Top-k Probable Nearest Neighbors in Uncertain Databases 2008 VLDB 0.00011461371
1,703 Ranking Queries on Uncertain Data: A Probabilistic Threshold Approach 2008 SIGMOD 0.00010820803
3,634 Monochromatic and Bichromatic Reverse Skyline Search over Uncertain Databases 2008 SIGMOD 6.8949444e-05
4,287 Clue-based Spatio-textual Query 2017 VLDB 6.2824978e-05
5,545 Cleaning Uncertain Data with Quality Guarantees 2008 VLDB 5.447418e-05
5,767 Indexing Correlated Probabilistic Databases 2009 SIGMOD 5.3341473e-05
5,807 Finding Frequent Items in Probabilistic Data 2008 SIGMOD 5.3189104e-05
5,937 Indexing Uncertain Data 2009 PODS 5.2606762e-05
6,959 Efficiently Answering Durability Prediction Queries 2021 SIGMOD 4.8805791e-05
7,539 Boosting Spatial Pruning: On Optimal Pruning of MBRs 2010 SIGMOD 4.7116182e-05
7,657 UPI: A Primary Index for Uncertain Databases 2010 VLDB 4.6821809e-05
8,084 Similarity Search and Mining in Uncertain Databases 2010 VLDB 4.5861412e-05
8,883 Threshold Query Optimization for Uncertain Data 2010 SIGMOD 4.4247207e-05
9,167 Computing All Skyline Probabilities for Uncertain Data 2009 PODS 4.380727e-05
10,510 Relevance Queries for Interval Data 2025 SIGMOD 4.1905499e-05
12,235 K-Nearest Neighbor Search for Fuzzy Objects 2010 SIGMOD 4.1905499e-05
12,386 Query Answering Techniques on Uncertain and Probabilistic Data 2008 SIGMOD 4.1905499e-05
12,486 Modeling and Querying Vague Spatial Objects Using Shapelets 2007 VLDB 4.1905499e-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
6 The R*-tree: An Efficient and Robust Access Method for Points and Rectangles 1990 SIGMOD 0.0016113151
74 Efficient Query Evaluation on Probabilistic Databases 2004 VLDB 0.00057797415
129 The X-tree: An Index Structure for High-Dimensional Data 1996 VLDB 0.00044255276
149 Trio: A System for Integrated Management of Data, Accuracy, and Lineage 2005 CIDR 0.00041085859
463 Evaluating Probabilistic Queries over Imprecise Data 2003 SIGMOD 0.00022497894
628 Indexing the Positions of Continuously Moving Objects 2000 SIGMOD 0.00018957327
1,180 A Cost Model For Nearest Neighbor Search in High-Dimensional Data Space 1997 PODS 0.00013455619
1,476 Towards an Analysis of Range Query Performance in Spatial Data Structures 1993 PODS 0.00011752931
1,519 A Model for the Prediction of R-tree Performance 1996 PODS 0.00011535609
2,316 Efficient Indexing Methods for Probabilistic Threshold Queries over Uncertain Data 2004 VLDB 9.0513688e-05
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Overall Rank Paper Year Venue Pagerank
1,535 Efficient Search for the Top-k Probable Nearest Neighbors in Uncertain Databases 2008 VLDB 0.00011461371
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