George Kollios

Publication Activity (10 Years)

Years Active: 1999-2024
Publications (10 Years): 16

Top Topics

Shortest Distance

Correlation Clustering

Privacy Preserving

Top Venues

Proc. VLDB Endow.

IACR Cryptol. ePrint Arch.

Publications

Lina Qiu, Rebecca Taft, Alexander Shraer, George Kollios
The Price of Privacy: A Performance Study of Confidential Virtual Machines for Database Systems. DaMoN (2024)
Nathan Cordner, George Kollios
An Efficient Local Search Algorithm for Correlation Clustering on Large Graphs. COCOA (1) (2023)
Lina Qiu, Georgios Kellaris, Nikos Mamoulis, Kobbi Nissim, George Kollios
Doquet: Differentially Oblivious Range and Join Queries with Private Data Structures. Proc. VLDB Endow. 16 (13) (2023)
Nathan Cordner, George Kollios
Efficient Correlation Clustering Methods for Large Consensus Clustering Instances. CoRR (2023)
Dmytro Bogatov, Georgios Kellaris, George Kollios, Kobbi Nissim, Adam O'Neill
εpsolute: Efficiently Querying Databases While Providing Differential Privacy. CCS (2021)
Dmytro Bogatov, George Kollios, Leonid Reyzin
A Comparative Evaluation of Order-Revealing Encryption Schemes and Secure Range-Query Protocols. Proc. VLDB Endow. 12 (8) (2019)
Xianrui Meng, Haohan Zhu, George Kollios
Top-k Query Processing on Encrypted Databases with Strong Security Guarantees. ICDE (2018)
Dmytro Bogatov, George Kollios, Leonid Reyzin
A Comparative Evaluation of Order-Preserving and Order-Revealing Schemes and Protocols. IACR Cryptol. ePrint Arch. 2018 (2018)
Haohan Zhu, Xianrui Meng, George Kollios
NED: An Inter-Graph Node Metric Based On Edit Distance. Proc. VLDB Endow. 10 (6) (2017)
Georgios Kellaris, George Kollios, Kobbi Nissim, Adam O'Neill
Accessing Data while Preserving Privacy. CoRR (2017)
Georgios Kellaris, George Kollios, Kobbi Nissim, Adam O'Neill
Generic Attacks on Secure Outsourced Databases. CCS (2016)
Haohan Zhu, Xianrui Meng, George Kollios
NED: An Inter-Graph Node Metric Based On Edit Distance. CoRR (2016)
Xianrui Meng, Seny Kamara, Kobbi Nissim, George Kollios
GRECS: Graph Encryption for Approximate Shortest Distance Queries. CCS (2015)
Charalampos Mavroforakis, Nathan Chenette, Adam O'Neill, George Kollios, Ran Canetti
Modular Order-Preserving Encryption, Revisited. SIGMOD Conference (2015)
Xianrui Meng, Haohan Zhu, George Kollios
Secure Top-k Query Processing on Encrypted Databases. CoRR (2015)
Xianrui Meng, Seny Kamara, Kobbi Nissim, George Kollios
GRECS: Graph Encryption for Approximate Shortest Distance Queries. IACR Cryptol. ePrint Arch. 2015 (2015)
Haohan Zhu, Xianrui Meng, George Kollios
Privacy Preserving Similarity Evaluation of Time Series Data. EDBT (2014)
Tomasz Nykiel, Michalis Potamias, Chaitanya Mishra, George Kollios, Nick Koudas
Sharing across Multiple MapReduce Jobs. ACM Trans. Database Syst. 39 (2) (2014)
George Kollios, Michalis Potamias, Evimaria Terzi
Clustering Large Probabilistic Graphs. IEEE Trans. Knowl. Data Eng. 25 (2) (2013)
Haohan Zhu, George Kollios, Vassilis Athitsos
A Generic Framework for Efficient and Effective Subsequence Retrieval CoRR (2012)
Panagiotis Papapetrou, Gary Benson, George Kollios
Mining poly-regions in DNA. Int. J. Data Min. Bioinform. 6 (4) (2012)
Haohan Zhu, George Kollios, Vassilis Athitsos
A Generic Framework for Efficient and Effective Subsequence Retrieval. Proc. VLDB Endow. 5 (11) (2012)
Alexios Kotsifakos, Panagiotis Papapetrou, Jaakko Hollmén, Dimitrios Gunopulos, Vassilis Athitsos, George Kollios
Hum-a-song: A Subsequence Matching with Gaps-Range-Tolerances Query-By-Humming System. Proc. VLDB Endow. 5 (12) (2012)
Panagiotis Papapetrou, Vassilis Athitsos, Michalis Potamias, George Kollios, Dimitrios Gunopulos
Embedding-based subsequence matching in time-series databases. ACM Trans. Database Syst. 36 (3) (2011)
Feifei Li, Marios Hadjieleftheriou, George Kollios, Leonid Reyzin
Authenticated Index Structures for Aggregation Queries. ACM Trans. Inf. Syst. Secur. 13 (4) (2010)
Michalis Potamias, Francesco Bonchi, Aristides Gionis, George Kollios
k-Nearest Neighbors in Uncertain Graphs. Proc. VLDB Endow. 3 (1) (2010)
Tomasz Nykiel, Michalis Potamias, Chaitanya Mishra, George Kollios, Nick Koudas
MRShare: Sharing Across Multiple Queries in MapReduce. Proc. VLDB Endow. 3 (1) (2010)
Panagiotis Papapetrou, Vassilis Athitsos, George Kollios, Dimitrios Gunopulos
Reference-Based Alignment in Large Sequence Databases. Proc. VLDB Endow. 2 (1) (2009)
Vassil Kriakov, George Kollios, Alex Delis
Self-tuning management of update-intensive multidimensional data in clusters of workstations. VLDB J. 18 (3) (2009)
Panagiotis Papapetrou, George Kollios, Stan Sclaroff, Dimitrios Gunopulos
Mining frequent arrangements of temporal intervals. Knowl. Inf. Syst. 21 (2) (2009)
Yin Yang, Stavros Papadopoulos, Dimitris Papadias, George Kollios
Authenticated indexing for outsourced spatial databases. VLDB J. 18 (3) (2009)
Ke Yi, Feifei Li, Graham Cormode, Marios Hadjieleftheriou, George Kollios, Divesh Srivastava
Small synopses for group-by query verification on outsourced data streams. ACM Trans. Database Syst. 34 (3) (2009)
Jeffrey Considine, Marios Hadjieleftheriou, Feifei Li, John W. Byers, George Kollios
Robust approximate aggregation in sensor data management systems. ACM Trans. Database Syst. 34 (1) (2009)
Ke Yi, Feifei Li, George Kollios, Divesh Srivastava
Efficient Processing of Top-k Queries in Uncertain Databases. ICDE (2008)
Vassilis Athitsos, Michalis Potamias, Panagiotis Papapetrou, George Kollios
Nearest Neighbor Retrieval Using Distance-Based Hashing. ICDE (2008)
Yin Yang, Stavros Papadopoulos, Dimitris Papadias, George Kollios
Spatial Outsourcing for Location-based Services. ICDE (2008)
Vassilis Athitsos, Jonathan Alon, Stan Sclaroff, George Kollios
BoostMap: An Embedding Method for Efficient Nearest Neighbor Retrieval. IEEE Trans. Pattern Anal. Mach. Intell. 30 (1) (2008)
Ke Yi, Feifei Li, Marios Hadjieleftheriou, George Kollios, Divesh Srivastava
Randomized Synopses for Query Assurance on Data Streams. ICDE (2008)
Ke Yi, Feifei Li, George Kollios, Divesh Srivastava
Efficient Processing of Top-k Queries in Uncertain Databases with x-Relations. IEEE Trans. Knowl. Data Eng. 20 (12) (2008)
Vassilis Athitsos, Panagiotis Papapetrou, Michalis Potamias, George Kollios, Dimitrios Gunopulos
Approximate embedding-based subsequence matching of time series. SIGMOD Conference (2008)
Stilian Stoev, Marios Hadjieleftheriou, George Kollios, Murad S. Taqqu
Norm, Point, and Distance Estimation Over Multiple Signals Using Max-Stable Distributions. ICDE (2007)
Vassil Kriakov, Alex Delis, George Kollios
Approximate Data Stream Joins in Distributed Systems. ICDCS (2007)
Spiros Papadimitriou, Feifei Li, George Kollios, Philip S. Yu
Time Series Compressibility and Privacy. VLDB (2007)
Feifei Li, Ke Yi, Marios Hadjieleftheriou, George Kollios
Proof-Infused Streams: Enabling Authentication of Sliding Window Queries On Streams. VLDB (2007)
Vassilis Athitsos, Marios Hadjieleftheriou, George Kollios, Stan Sclaroff
Query-sensitive embeddings. ACM Trans. Database Syst. 32 (2) (2007)
Nikolaos Laoutaris, Georgios Zervas, Azer Bestavros, George Kollios
The Cache Inference Problem and its Application to Content and Request Routing. INFOCOM (2007)
Panagiotis Papapetrou, Gary Benson, George Kollios
Discovering Frequent Poly-Regions in DNA Sequences. ICDM Workshops (2006)
Jimeng Sun, Yufei Tao, Dimitris Papadias, George Kollios
Spatio-temporal join selectivity. Inf. Syst. 31 (8) (2006)
Marios Hadjieleftheriou, George Kollios, Vassilis J. Tsotras, Dimitrios Gunopulos
Indexing spatiotemporal archives. VLDB J. 15 (2) (2006)
Feifei Li, Ching Chang, George Kollios, Azer Bestavros
Characterizing and Exploiting Reference Locality in Data Stream Applications. ICDE (2006)
Feifei Li, Marios Hadjieleftheriou, George Kollios, Leonid Reyzin
Dynamic authenticated index structures for outsourced databases. SIGMOD Conference (2006)
Dimitrios Gunopulos, George Kollios, Vassilis J. Tsotras, Carlotta Domeniconi
Selectivity estimators for multidimensional range queries over real attributes. VLDB J. 14 (2) (2005)
Stan Sclaroff, Margrit Betke, George Kollios, Jonathan Alon, Vassilis Athitsos, Rui Li, John J. Magee, Tai-Peng Tian
Tracking, Analysis, and Recognition of Human Gestures in Video. ICDAR (2005)
Vassilis Athitsos, Marios Hadjieleftheriou, George Kollios, Stan Sclaroff
Query-Sensitive Embeddings. SIGMOD Conference (2005)
Michail Vlachos, George Kollios, Dimitrios Gunopulos
Elastic Translation Invariant Matching of Trajectories. Mach. Learn. 58 (2-3) (2005)
George Kollios, John W. Byers, Jeffrey Considine, Marios Hadjieleftheriou, Feifei Li
Robust Aggregation in Sensor Networks. IEEE Data Eng. Bull. 28 (1) (2005)
Feifei Li, Dihan Cheng, Marios Hadjieleftheriou, George Kollios, Shang-Hua Teng
On Trip Planning Queries in Spatial Databases. SSTD (2005)
Panfeng Zhou, Donghui Zhang, Betty Salzberg, Gene Cooperman, George Kollios
Close pair queries in moving object databases. GIS (2005)
Marios Hadjieleftheriou, George Kollios, Petko Bakalov, Vassilis J. Tsotras
Complex Spatio-Temporal Pattern Queries. VLDB (2005)
Panagiotis Papapetrou, George Kollios, Stan Sclaroff, Dimitrios Gunopulos
Discovering Frequent Arrangements of Temporal Intervals. ICDM (2005)
George Kollios, Dimitris Papadopoulos, Dimitrios Gunopulos, Vassilis J. Tsotras
Indexing mobile objects using dual transformations. VLDB J. 14 (2) (2005)
Yufei Tao, George Kollios, Jeffrey Considine, Feifei Li, Dimitris Papadias
Spatio-Temporal Aggregation Using Sketches. ICDE (2004)
Marios Hadjieleftheriou, Vassil Kriakov, Yangui Tao, George Kollios, Alex Delis, Vassilis J. Tsotras
Spatio-Temporal Data Services in a Shared-Nothing Environment. SSDBM (2004)
Vassilis Athitsos, Jonathan Alon, Stan Sclaroff, George Kollios
BoostMap: A Method for Efficient Approximate Similarity Rankings. CVPR (2) (2004)
Jeffrey Considine, Feifei Li, George Kollios, John W. Byers
Approximate Aggregation Techniques for Sensor Databases. ICDE (2004)
Nikos Mamoulis, Huiping Cao, George Kollios, Marios Hadjieleftheriou, Yufei Tao, David W. Cheung
Mining, indexing, and querying historical spatiotemporal data. KDD (2004)
Vassil Kriakov, Alex Delis, George Kollios
Management of Highly Dynamic Multidimensional Data in a Cluster of Workstations. EDBT (2004)
Dan Buzan, Stan Sclaroff, George Kollios
Extraction and Clustering of Motion Trajectories in Video. ICPR (2) (2004)
Marios Hadjieleftheriou, George Kollios, Dimitrios Gunopulos, Vassilis J. Tsotras
On-Line Discovery of Dense Areas in Spatio-temporal Databases. SSTD (2003)
Marios Hadjieleftheriou, George Kollios, Vassilis J. Tsotras
Performance Evaluation of Spatio-temporal Selectivity Estimation Techniques. SSDBM (2003)
George Kollios, Dimitrios Gunopulos, Nick Koudas, Stefan Berchtold
Efficient Biased Sampling for Approximate Clustering and Outlier Detection in Large Data Sets. IEEE Trans. Knowl. Data Eng. 15 (5) (2003)
Jonathan Alon, Stan Sclaroff, George Kollios, Vladimir Pavlovic
Discovering Clusters in Motion Time-Series Data. CVPR (1) (2003)
Marios Hadjieleftheriou, George Kollios, Vassilis J. Tsotras, Dimitrios Gunopulos
Efficient Indexing of Spatiotemporal Objects. EDBT (2002)
Michail Vlachos, Dimitrios Gunopulos, George Kollios
Robust Similarity Measures for Mobile Object Trajectories. DEXA Workshops (2002)
Michail Vlachos, Dimitrios Gunopulos, George Kollios
Discovering Similar Multidimensional Trajectories. ICDE (2002)
Dimitris Papadopoulos, George Kollios, Dimitrios Gunopulos, Vassilis J. Tsotras
Indexing Mobile Objects Using Duality Transforms. IEEE Data Eng. Bull. 25 (2) (2002)
Dimitris Papadopoulos, George Kollios, Dimitrios Gunopulos, Vassilis J. Tsotras
Indexing Mobile Objects on the Plane. DEXA Workshops (2002)
Michail Vlachos, Carlotta Domeniconi, Dimitrios Gunopulos, George Kollios, Nick Koudas
Non-linear dimensionality reduction techniques for classification and visualization. KDD (2002)
George Kollios, Vassilis J. Tsotras
Hashing Methods for Temporal Data. IEEE Trans. Knowl. Data Eng. 14 (4) (2002)
George Kollios, Stan Sclaroff, Margrit Betke
Motion Mining: Discovering Spatio-Temporal Patterns in Databases of Human Motion. DMKD (2001)
George Kollios, Vassilis J. Tsotras, Dimitrios Gunopulos, Alex Delis, Marios Hadjieleftheriou
Indexing Animated Objects Using Spatiotemporal Access Methods. IEEE Trans. Knowl. Data Eng. 13 (5) (2001)
George Kollios, Dimitrios Gunopulos, Nick Koudas, Stefan Berchtold
An Efficient Approximation Scheme for Data Mining Tasks. ICDE (2001)
Stan Sclaroff, George Kollios, Margrit Betke, Rómer Rosales
Motion Mining. MDIC (2001)
Dimitrios Gunopulos, George Kollios, Vassilis J. Tsotras, Carlotta Domeniconi
Approximating Multi-Dimensional Aggregate Range Queries over Real Attributes. SIGMOD Conference (2000)
George Kollios, Dimitrios Gunopulos, Vassilis J. Tsotras
On Indexing Mobile Objects. PODS (1999)
George Kollios, Dimitrios Gunopulos, Vassilis J. Tsotras
Nearest Neighbor Queries in a Mobile Environment. Spatio-Temporal Database Management (1999)
Joseph M. Hellerstein, Lisa Hellerstein, George Kollios
On the Generation of 2-Dimensional Index Workloads. ICDT (1999)
George Kollios, Dimitrios Gunopulos, Vassilis J. Tsotras
Indexing Animated Objects. Multimedia Information Systems (1999)