George Kollios

Orcid: 0009-0004-1837-8498

Affiliations:
  • Boston University, USA


According to our database1, George Kollios authored at least 95 papers between 1999 and 2024.

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Bibliography

2024
The Price of Privacy: A Performance Study of Confidential Virtual Machines for Database Systems.
Proceedings of the 20th International Workshop on Data Management on New Hardware, 2024

2023
Doquet: Differentially Oblivious Range and Join Queries with Private Data Structures.
Proc. VLDB Endow., 2023

Efficient Correlation Clustering Methods for Large Consensus Clustering Instances.
CoRR, 2023

An Efficient Local Search Algorithm for Correlation Clustering on Large Graphs.
Proceedings of the Combinatorial Optimization and Applications, 2023

2021
εpsolute: Efficiently Querying Databases While Providing Differential Privacy.
Proceedings of the CCS '21: 2021 ACM SIGSAC Conference on Computer and Communications Security, Virtual Event, Republic of Korea, November 15, 2021

2019
A Comparative Evaluation of Order-Revealing Encryption Schemes and Secure Range-Query Protocols.
Proc. VLDB Endow., 2019

2018
Spatiotemporal Selectivity Estimation.
Proceedings of the Encyclopedia of Database Systems, Second Edition, 2018

A Comparative Evaluation of Order-Preserving and Order-Revealing Schemes and Protocols.
IACR Cryptol. ePrint Arch., 2018

Top-k Query Processing on Encrypted Databases with Strong Security Guarantees.
Proceedings of the 34th IEEE International Conference on Data Engineering, 2018

2017
Trajectories, Discovering Similar.
Proceedings of the Encyclopedia of GIS., 2017

Mobile Object Indexing.
Proceedings of the Encyclopedia of GIS., 2017

Indexing Spatiotemporal Archives.
Proceedings of the Encyclopedia of GIS., 2017

Trip Planning Queries in Road Network Databases.
Proceedings of the Encyclopedia of GIS., 2017

NED: An Inter-Graph Node Metric Based On Edit Distance.
Proc. VLDB Endow., 2017

Accessing Data while Preserving Privacy.
CoRR, 2017

2016
Generic Attacks on Secure Outsourced Databases.
Proceedings of the 2016 ACM SIGSAC Conference on Computer and Communications Security, 2016

2015
GRECS: Graph Encryption for Approximate Shortest Distance Queries.
IACR Cryptol. ePrint Arch., 2015

Secure Top-k Query Processing on Encrypted Databases.
CoRR, 2015

Modular Order-Preserving Encryption, Revisited.
Proceedings of the 2015 ACM SIGMOD International Conference on Management of Data, Melbourne, Victoria, Australia, May 31, 2015

2014
Sharing across Multiple MapReduce Jobs.
ACM Trans. Database Syst., 2014

Privacy Preserving Similarity Evaluation of Time Series Data.
Proceedings of the 17th International Conference on Extending Database Technology, 2014

2013
Clustering Large Probabilistic Graphs.
IEEE Trans. Knowl. Data Eng., 2013

2012
A Generic Framework for Efficient and Effective Subsequence Retrieval.
Proc. VLDB Endow., 2012

Hum-a-song: A Subsequence Matching with Gaps-Range-Tolerances Query-By-Humming System.
Proc. VLDB Endow., 2012

Mining poly-regions in DNA.
Int. J. Data Min. Bioinform., 2012

2011
Embedding-based subsequence matching in time-series databases.
ACM Trans. Database Syst., 2011

2010
Authenticated Index Structures for Aggregation Queries.
ACM Trans. Inf. Syst. Secur., 2010

k-Nearest Neighbors in Uncertain Graphs.
Proc. VLDB Endow., 2010

MRShare: Sharing Across Multiple Queries in MapReduce.
Proc. VLDB Endow., 2010

2009
Spatio-Temporal Selectivity Estimation.
Proceedings of the Encyclopedia of Database Systems, 2009

Authenticated indexing for outsourced spatial databases.
VLDB J., 2009

Self-tuning management of update-intensive multidimensional data in clusters of workstations.
VLDB J., 2009

Small synopses for group-by query verification on outsourced data streams.
ACM Trans. Database Syst., 2009

Robust approximate aggregation in sensor data management systems.
ACM Trans. Database Syst., 2009

Reference-Based Alignment in Large Sequence Databases.
Proc. VLDB Endow., 2009

Mining frequent arrangements of temporal intervals.
Knowl. Inf. Syst., 2009

2008
Trip Planning Queries in Road Network Databases.
Proceedings of the Encyclopedia of GIS., 2008

Trajectories, Discovering Similar.
Proceedings of the Encyclopedia of GIS., 2008

Mobile Object Indexing.
Proceedings of the Encyclopedia of GIS., 2008

Indexing Spatio-temporal Archives.
Proceedings of the Encyclopedia of GIS., 2008

Authenticated Index Structures for Outsourced Databases.
Proceedings of the Handbook of Database Security - Applications and Trends, 2008

Efficient Processing of Top-k Queries in Uncertain Databases with x-Relations.
IEEE Trans. Knowl. Data Eng., 2008

BoostMap: An Embedding Method for Efficient Nearest Neighbor Retrieval.
IEEE Trans. Pattern Anal. Mach. Intell., 2008

Approximate embedding-based subsequence matching of time series.
Proceedings of the ACM SIGMOD International Conference on Management of Data, 2008

Efficient Processing of Top-k Queries in Uncertain Databases.
Proceedings of the 24th International Conference on Data Engineering, 2008

Randomized Synopses for Query Assurance on Data Streams.
Proceedings of the 24th International Conference on Data Engineering, 2008

Spatial Outsourcing for Location-based Services.
Proceedings of the 24th International Conference on Data Engineering, 2008

Nearest Neighbor Retrieval Using Distance-Based Hashing.
Proceedings of the 24th International Conference on Data Engineering, 2008

2007
Query-sensitive embeddings.
ACM Trans. Database Syst., 2007

Time Series Compressibility and Privacy.
Proceedings of the 33rd International Conference on Very Large Data Bases, 2007

Proof-Infused Streams: Enabling Authentication of Sliding Window Queries On Streams.
Proceedings of the 33rd International Conference on Very Large Data Bases, 2007

The Cache Inference Problem and its Application to Content and Request Routing.
Proceedings of the INFOCOM 2007. 26th IEEE International Conference on Computer Communications, 2007

Norm, Point, and Distance Estimation Over Multiple Signals Using Max-Stable Distributions.
Proceedings of the 23rd International Conference on Data Engineering, 2007

Approximate Data Stream Joins in Distributed Systems.
Proceedings of the 27th IEEE International Conference on Distributed Computing Systems (ICDCS 2007), 2007

2006
Indexing spatiotemporal archives.
VLDB J., 2006

Spatio-temporal join selectivity.
Inf. Syst., 2006

Dynamic authenticated index structures for outsourced databases.
Proceedings of the ACM SIGMOD International Conference on Management of Data, 2006

Discovering Frequent Poly-Regions in DNA Sequences.
Proceedings of the Workshops Proceedings of the 6th IEEE International Conference on Data Mining (ICDM 2006), 2006

Characterizing and Exploiting Reference Locality in Data Stream Applications.
Proceedings of the 22nd International Conference on Data Engineering, 2006

2005
Indexing mobile objects using dual transformations.
VLDB J., 2005

Selectivity estimators for multidimensional range queries over real attributes.
VLDB J., 2005

Elastic Translation Invariant Matching of Trajectories.
Mach. Learn., 2005

Robust Aggregation in Sensor Networks.
IEEE Data Eng. Bull., 2005

Complex Spatio-Temporal Pattern Queries.
Proceedings of the 31st International Conference on Very Large Data Bases, Trondheim, Norway, August 30, 2005

On Trip Planning Queries in Spatial Databases.
Proceedings of the Advances in Spatial and Temporal Databases, 9th International Symposium, 2005

Discovering Frequent Arrangements of Temporal Intervals.
Proceedings of the 5th IEEE International Conference on Data Mining (ICDM 2005), 2005

Tracking, Analysis, and Recognition of Human Gestures in Video.
Proceedings of the Eighth International Conference on Document Analysis and Recognition (ICDAR 2005), 29 August, 2005

Close pair queries in moving object databases.
Proceedings of the 13th ACM International Workshop on Geographic Information Systems, 2005

2004
Spatio-Temporal Data Services in a Shared-Nothing Environment.
Proceedings of the 16th International Conference on Scientific and Statistical Database Management (SSDBM 2004), 2004

Mining, indexing, and querying historical spatiotemporal data.
Proceedings of the Tenth ACM SIGKDD International Conference on Knowledge Discovery and Data Mining, 2004

Extraction and Clustering of Motion Trajectories in Video.
Proceedings of the 17th International Conference on Pattern Recognition, 2004

Spatio-Temporal Aggregation Using Sketches.
Proceedings of the 20th International Conference on Data Engineering, 2004

Approximate Aggregation Techniques for Sensor Databases.
Proceedings of the 20th International Conference on Data Engineering, 2004

Management of Highly Dynamic Multidimensional Data in a Cluster of Workstations.
Proceedings of the Advances in Database Technology, 2004

BoostMap: A Method for Efficient Approximate Similarity Rankings.
Proceedings of the 2004 IEEE Computer Society Conference on Computer Vision and Pattern Recognition (CVPR 2004), with CD-ROM, 27 June, 2004

2003
Efficient Biased Sampling for Approximate Clustering and Outlier Detection in Large Data Sets.
IEEE Trans. Knowl. Data Eng., 2003

Performance Evaluation of Spatio-temporal Selectivity Estimation Techniques.
Proceedings of the 15th International Conference on Scientific and Statistical Database Management (SSDBM 2003), 2003

On-Line Discovery of Dense Areas in Spatio-temporal Databases.
Proceedings of the Advances in Spatial and Temporal Databases, 8th International Symposium, 2003

Discovering Clusters in Motion Time-Series Data.
Proceedings of the 2003 IEEE Computer Society Conference on Computer Vision and Pattern Recognition (CVPR 2003), 2003

2002
Hashing Methods for Temporal Data.
IEEE Trans. Knowl. Data Eng., 2002

Indexing Mobile Objects Using Duality Transforms.
IEEE Data Eng. Bull., 2002

Non-linear dimensionality reduction techniques for classification and visualization.
Proceedings of the Eighth ACM SIGKDD International Conference on Knowledge Discovery and Data Mining, 2002

Discovering Similar Multidimensional Trajectories.
Proceedings of the 18th International Conference on Data Engineering, San Jose, CA, USA, February 26, 2002

Efficient Indexing of Spatiotemporal Objects.
Proceedings of the Advances in Database Technology, 2002

Robust Similarity Measures for Mobile Object Trajectories.
Proceedings of the 13th International Workshop on Database and Expert Systems Applications (DEXA 2002), 2002

Indexing Mobile Objects on the Plane.
Proceedings of the 13th International Workshop on Database and Expert Systems Applications (DEXA 2002), 2002

2001
Indexing Animated Objects Using Spatiotemporal Access Methods.
IEEE Trans. Knowl. Data Eng., 2001

Motion Mining.
Proceedings of the Multimedia Databases and Image Communication, 2001

An Efficient Approximation Scheme for Data Mining Tasks.
Proceedings of the 17th International Conference on Data Engineering, 2001

Motion Mining: Discovering Spatio-Temporal Patterns in Databases of Human Motion.
Proceedings of the 2001 ACM SIGMOD Workshop on Research Issues in Data Mining and Knowledge Discovery, 2001

2000
Approximating Multi-Dimensional Aggregate Range Queries over Real Attributes.
Proceedings of the 2000 ACM SIGMOD International Conference on Management of Data, 2000

1999
Nearest Neighbor Queries in a Mobile Environment.
Proceedings of the Spatio-Temporal Database Management, 1999

On Indexing Mobile Objects.
Proceedings of the Eighteenth ACM SIGACT-SIGMOD-SIGART Symposium on Principles of Database Systems, May 31, 1999

Indexing Animated Objects.
Proceedings of the MIS '99, 1999

On the Generation of 2-Dimensional Index Workloads.
Proceedings of the Database Theory, 1999


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