Voronoi diagrams—a survey of a fundamental geometric data structure
ACM Computing Surveys (CSUR)
SIGMOD '95 Proceedings of the 1995 ACM SIGMOD international conference on Management of data
Progressive approximate aggregate queries with a multi-resolution tree structure
SIGMOD '01 Proceedings of the 2001 ACM SIGMOD international conference on Management of data
Minimal probing: supporting expensive predicates for top-k queries
Proceedings of the 2002 ACM SIGMOD international conference on Management of data
Aggregate Processing of Planar Points
EDBT '02 Proceedings of the 8th International Conference on Extending Database Technology: Advances in Database Technology
VLDB '98 Proceedings of the 24rd International Conference on Very Large Data Bases
SSD '95 Proceedings of the 4th International Symposium on Advances in Spatial Databases
Optimal aggregation algorithms for middleware
Journal of Computer and System Sciences - Special issu on PODS 2001
The design of an acquisitional query processor for sensor networks
Proceedings of the 2003 ACM SIGMOD international conference on Management of data
Querying Imprecise Data in Moving Object Environments
IEEE Transactions on Knowledge and Data Engineering
Indexing multi-dimensional uncertain data with arbitrary probability density functions
VLDB '05 Proceedings of the 31st international conference on Very large data bases
Supporting uncertainty in moving objects in network databases
Proceedings of the 13th annual ACM international workshop on Geographic information systems
Working Models for Uncertain Data
ICDE '06 Proceedings of the 22nd International Conference on Data Engineering
Occlusion Robust Face Recognition with Dynamic Similarity Features
ICPR '06 Proceedings of the 18th International Conference on Pattern Recognition - Volume 03
Index for fast retrieval of uncertain spatial point data
GIS '06 Proceedings of the 14th annual ACM international symposium on Advances in geographic information systems
Efficient top-k aggregation of ranked inputs
ACM Transactions on Database Systems (TODS)
Computational Geometry: Algorithms and Applications
Computational Geometry: Algorithms and Applications
Probabilistic Verifiers: Evaluating Constrained Nearest-Neighbor Queries over Uncertain Data
ICDE '08 Proceedings of the 2008 IEEE 24th International Conference on Data Engineering
Probabilistic nearest-neighbor query on uncertain objects
DASFAA'07 Proceedings of the 12th international conference on Database systems for advanced applications
The pipelined set cover problem
ICDT'05 Proceedings of the 10th international conference on Database Theory
Probabilistic spatial queries on existentially uncertain data
SSTD'05 Proceedings of the 9th international conference on Advances in Spatial and Temporal Databases
Evaluating probability threshold k-nearest-neighbor queries over uncertain data
Proceedings of the 12th International Conference on Extending Database Technology: Advances in Database Technology
Consensus answers for queries over probabilistic databases
Proceedings of the twenty-eighth ACM SIGMOD-SIGACT-SIGART symposium on Principles of database systems
Computing all skyline probabilities for uncertain data
Proceedings of the twenty-eighth ACM SIGMOD-SIGACT-SIGART symposium on Principles of database systems
Information Sciences: an International Journal
Probabilistic Granule-Based Inside and Nearest Neighbor Queries
ADBIS '09 Proceedings of the 13th East European Conference on Advances in Databases and Information Systems
The VLDB Journal — The International Journal on Very Large Data Bases
Efficient join processing on uncertain data streams
Proceedings of the 18th ACM conference on Information and knowledge management
Reverse skyline search in uncertain databases
ACM Transactions on Database Systems (TODS)
Effectively indexing uncertain moving objects for predictive queries
Proceedings of the VLDB Endowment
Probabilistic threshold k nearest neighbor queries over moving objects in symbolic indoor space
Proceedings of the 13th International Conference on Extending Database Technology
Probabilistic ranking over relations
Proceedings of the 13th International Conference on Extending Database Technology
Threshold-based probabilistic top-k dominating queries
The VLDB Journal — The International Journal on Very Large Data Bases
Boosting spatial pruning: on optimal pruning of MBRs
Proceedings of the 2010 ACM SIGMOD International Conference on Management of data
Threshold query optimization for uncertain data
Proceedings of the 2010 ACM SIGMOD International Conference on Management of data
Reverse ranking query over imprecise spatial data
Proceedings of the 1st International Conference and Exhibition on Computing for Geospatial Research & Application
Skyline query processing for uncertain data
CIKM '10 Proceedings of the 19th ACM international conference on Information and knowledge management
Selective data acquisition for probabilistic K-NN query
CIKM '10 Proceedings of the 19th ACM international conference on Information and knowledge management
A generic framework for handling uncertain data with local correlations
Proceedings of the VLDB Endowment
Efficient fuzzy top-k query processing over uncertain objects
DEXA'10 Proceedings of the 21st international conference on Database and expert systems applications: Part I
Identifying interesting instances for probabilistic skylines
DEXA'10 Proceedings of the 21st international conference on Database and expert systems applications: Part II
Proceedings of the VLDB Endowment
Ranking continuous probabilistic datasets
Proceedings of the VLDB Endowment
Evaluating the distance between two uncertain categorical objects
ADMA'10 Proceedings of the 6th international conference on Advanced data mining and applications - Volume Part II
Asymptotically efficient algorithms for skyline probabilities of uncertain data
ACM Transactions on Database Systems (TODS)
A unified approach to ranking in probabilistic databases
The VLDB Journal — The International Journal on Very Large Data Bases
Proximity rank join in search computing
Search computing
Top-K probabilistic closest pairs query in uncertain spatial databases
APWeb'11 Proceedings of the 13th Asia-Pacific web conference on Web technologies and applications
Efficient probabilistic reverse nearest neighbor query processing on uncertain data
Proceedings of the VLDB Endowment
A novel tumor grading technique using functional magnetic resonance imaging
Proceedings of the 2011 workshop on Data mining for medicine and healthcare
Probabilistic time consistent queries over moving objects
SSDBM'11 Proceedings of the 23rd international conference on Scientific and statistical database management
Managing uncertain spatio-temporal data
Proceedings of the 2nd ACM SIGSPATIAL International Workshop on Querying and Mining Uncertain Spatio-Temporal Data
Proximity measures for rank join
ACM Transactions on Database Systems (TODS)
k-selection query over uncertain data
DASFAA'10 Proceedings of the 15th international conference on Database Systems for Advanced Applications - Volume Part I
Spatial query processing based on uncertain location information
DNIS'10 Proceedings of the 6th international conference on Databases in Networked Information Systems
Efficient processing of probabilistic set-containment queries on uncertain set-valued data
Information Sciences: an International Journal
MUD: Mapping-based query processing for high-dimensional uncertain data
Information Sciences: an International Journal
Nearest-neighbor searching under uncertainty
PODS '12 Proceedings of the 31st symposium on Principles of Database Systems
Probabilistic Voronoi diagrams for probabilistic moving nearest neighbor queries
Data & Knowledge Engineering
DuoWave: Mitigating the curse of dimensionality for uncertain data
Data & Knowledge Engineering
Effectively indexing the multi-dimensional uncertain objects for range searching
Proceedings of the 15th International Conference on Extending Database Technology
Indexing uncertain spatio-temporal data
Proceedings of the 21st ACM international conference on Information and knowledge management
Subspace top-k query processing using the hybrid-layer index with a tight bound
Data & Knowledge Engineering
Optimal k-constraint coverage queries on spatial objects
ADC '12 Proceedings of the Twenty-Third Australasian Database Conference - Volume 124
UV-diagram: a voronoi diagram for uncertain spatial databases
The VLDB Journal — The International Journal on Very Large Data Bases
Causality and responsibility: probabilistic queries revisited in uncertain databases
Proceedings of the 22nd ACM international conference on Conference on information & knowledge management
Top-k entities query processing on uncertainly fused multi-sensory data
Personal and Ubiquitous Computing
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Uncertainty pervades many domains in our lives. Current real-life applications, e.g., location tracking using GPS devices or cell phones, multimedia feature extraction, and sensor data management, deal with different kinds of uncertainty. Finding the nearest neighbor objects to a given query point is an important query type in these applications. In this paper, we study the problem of finding objects with the highest marginal probability of being the nearest neighbors to a query object. We adopt a general uncertainty model allowing for data and query uncertainty. Under this model, we define new query semantics, and provide several efficient evaluation algorithms. We analyze the cost factors involved in query evaluation, and present novel techniques to address the trade-offs among these factors. We give multiple extensions to our techniques including handling dependencies among data objects, and answering threshold queries. We conduct an extensive experimental study to evaluate our techniques on both real and synthetic data.