On the Generation of 2-Dimensional Index Workloads. - Joseph M. Hellerstein; Lisa Hellerstein; George Kollios (ICDT, 1999)

Indexing Animated Objects. - George Kollios; Dimitrios Gunopulos; Vassilis J. Tsotras (Multimedia Information Systems, 1999)

On Indexing Mobile Objects. - George Kollios; Dimitrios Gunopulos; Vassilis J. Tsotras (PODS, 1999)

Nearest Neighbor Queries in a Mobile Environment. - George Kollios; Dimitrios Gunopulos; Vassilis J. Tsotras (Spatio-Temporal Database Management, 1999)

Approximating Multi-Dimensional Aggregate Range Queries over Real Attributes. - Dimitrios Gunopulos; George Kollios; Vassilis J. Tsotras; Carlotta Domeniconi (SIGMOD Conference, 2000)

Motion Mining: Discovering Spatio-Temporal Patterns in Databases of Human Motion. - George Kollios; Stan Sclaroff; Margrit Betke (DMKD, 2001)

An Efficient Approximation Scheme for Data Mining Tasks. - George Kollios; Dimitrios Gunopulos; Nick Koudas; Stefan Berchtold (ICDE, 2001)

Motion Mining. - Stan Sclaroff; George Kollios; Margrit Betke; Rómer Rosales (MDIC, 2001)

Indexing Animated Objects Using Spatiotemporal Access Methods. - George Kollios; Vassilis J. Tsotras; Dimitrios Gunopulos; Alex Delis; Marios Hadjieleftheriou (IEEE Trans. Knowl. Data Eng., 2001)

Indexing Mobile Objects on the Plane. - Dimitris Papadopoulos; George Kollios; Dimitrios Gunopulos; Vassilis J. Tsotras (DEXA Workshops, 2002)

Robust Similarity Measures for Mobile Object Trajectories. - Michail Vlachos; Dimitrios Gunopulos; George Kollios (DEXA Workshops, 2002)

Efficient Indexing of Spatiotemporal Objects. - Marios Hadjieleftheriou; George Kollios; Vassilis J. Tsotras; Dimitrios Gunopulos (EDBT, 2002)

Discovering Similar Multidimensional Trajectories. - Michail Vlachos; Dimitrios Gunopulos; George Kollios (ICDE, 2002)

Non-linear dimensionality reduction techniques for classification and visualization. - Michail Vlachos; Carlotta Domeniconi; Dimitrios Gunopulos; George Kollios; Nick Koudas (KDD, 2002)

Indexing Mobile Objects Using Duality Transforms. - Dimitris Papadopoulos; George Kollios; Dimitrios Gunopulos; Vassilis J. Tsotras (IEEE Data Eng. Bull., 2002)

Hashing Methods for Temporal Data. - George Kollios; Vassilis J. Tsotras (IEEE Trans. Knowl. Data Eng., 2002)

Discovering Clusters in Motion Time-Series Data. - Jonathan Alon; Stan Sclaroff; George Kollios; Vladimir Pavlovic 001 (CVPR (1), 2003)

On-Line Discovery of Dense Areas in Spatio-temporal Databases. - Marios Hadjieleftheriou; George Kollios; Dimitrios Gunopulos; Vassilis J. Tsotras (SSTD, 2003)

Performance Evaluation of Spatio-temporal Selectivity Estimation Techniques. - Marios Hadjieleftheriou; George Kollios; Vassilis J. Tsotras (SSDBM, 2003)

Efficient Biased Sampling for Approximate Clustering and Outlier Detection in Large Data Sets. - George Kollios; Dimitrios Gunopulos; Nick Koudas; Stefan Berchtold (IEEE Trans. Knowl. Data Eng., 2003)

BoostMap: A Method for Efficient Approximate Similarity Rankings. - Vassilis Athitsos; Jonathan Alon; Stan Sclaroff; George Kollios (CVPR (2), 2004)

Management of Highly Dynamic Multidimensional Data in a Cluster of Workstations. - Vassil Kriakov; Alex Delis; George Kollios (EDBT, 2004)

Approximate Aggregation Techniques for Sensor Databases. - Jeffrey Considine; Feifei Li 001; George Kollios; John W. Byers (ICDE, 2004)

Spatio-Temporal Aggregation Using Sketches. - Yufei Tao 001; George Kollios; Jeffrey Considine; Feifei Li 001; Dimitris Papadias (ICDE, 2004)

Extraction and Clustering of Motion Trajectories in Video. - Dan Buzan; Stan Sclaroff; George Kollios (ICPR (2), 2004)

Mining, indexing, and querying historical spatiotemporal data. - Nikos Mamoulis; Huiping Cao; George Kollios; Marios Hadjieleftheriou; Yufei Tao 001; David W. Cheung (KDD, 2004)

Spatio-Temporal Data Services in a Shared-Nothing Environment. - Marios Hadjieleftheriou; Vassil Kriakov; Yangui Tao; George Kollios; Alex Delis; Vassilis J. Tsotras (SSDBM, 2004)

Close pair queries in moving object databases. - Panfeng Zhou; Donghui Zhang; Betty Salzberg; Gene Cooperman; George Kollios (GIS, 2005)

Tracking, Analysis, and Recognition of Human Gestures in Video. - Stan Sclaroff; Margrit Betke; George Kollios; Jonathan Alon; Vassilis Athitsos; Rui Li 053; John J. Magee; Tai-Peng Tian (ICDAR, 2005)

Discovering Frequent Arrangements of Temporal Intervals. - Panagiotis Papapetrou; George Kollios; Stan Sclaroff; Dimitrios Gunopulos (ICDM, 2005)

On Trip Planning Queries in Spatial Databases. - Feifei Li 001; Dihan Cheng; Marios Hadjieleftheriou; George Kollios; Shang-Hua Teng (SSTD, 2005)

Complex Spatio-Temporal Pattern Queries. - Marios Hadjieleftheriou; George Kollios; Petko Bakalov; Vassilis J. Tsotras (VLDB, 2005)

Robust Aggregation in Sensor Networks. - George Kollios; John W. Byers; Jeffrey Considine; Marios Hadjieleftheriou; Feifei Li 001 (IEEE Data Eng. Bull., 2005)

Elastic Translation Invariant Matching of Trajectories. - Michail Vlachos; George Kollios; Dimitrios Gunopulos (Mach. Learn., 2005)

Selectivity estimators for multidimensional range queries over real attributes. - Dimitrios Gunopulos; George Kollios; Vassilis J. Tsotras; Carlotta Domeniconi (VLDB J., 2005)

Indexing mobile objects using dual transformations. - George Kollios; Dimitris Papadopoulos; Dimitrios Gunopulos; Vassilis J. Tsotras (VLDB J., 2005)

Characterizing and Exploiting Reference Locality in Data Stream Applications. - Feifei Li 001; Ching Chang; George Kollios; Azer Bestavros (ICDE, 2006)

Discovering Frequent Poly-Regions in DNA Sequences. - Panagiotis Papapetrou; Gary Benson; George Kollios (ICDM Workshops, 2006)

Dynamic authenticated index structures for outsourced databases. - Feifei Li 001; Marios Hadjieleftheriou; George Kollios; Leonid Reyzin (SIGMOD Conference, 2006)

Spatio-temporal join selectivity. - Jimeng Sun 001; Yufei Tao 001; Dimitris Papadias; George Kollios (Inf. Syst., 2006)

Indexing spatiotemporal archives. - Marios Hadjieleftheriou; George Kollios; Vassilis J. Tsotras; Dimitrios Gunopulos (VLDB J., 2006)

Approximate Data Stream Joins in Distributed Systems. - Vassil Kriakov; Alex Delis; George Kollios (ICDCS, 2007)

Norm, Point, and Distance Estimation Over Multiple Signals Using Max-Stable Distributions. - Stilian Stoev; Marios Hadjieleftheriou; George Kollios; Murad S. Taqqu (ICDE, 2007)

The Cache Inference Problem and its Application to Content and Request Routing. - Nikolaos Laoutaris; Georgios Zervas; Azer Bestavros; George Kollios (INFOCOM, 2007)

Proof-Infused Streams: Enabling Authentication of Sliding Window Queries On Streams. - Feifei Li 001; Ke Yi 001; Marios Hadjieleftheriou; George Kollios (VLDB, 2007)

Time Series Compressibility and Privacy. - Spiros Papadimitriou; Feifei Li 001; George Kollios; Philip S. Yu (VLDB, 2007)

Query-sensitive embeddings. - Vassilis Athitsos; Marios Hadjieleftheriou; George Kollios; Stan Sclaroff (ACM Trans. Database Syst., 2007)

Nearest Neighbor Retrieval Using Distance-Based Hashing. - Vassilis Athitsos; Michalis Potamias; Panagiotis Papapetrou; George Kollios (ICDE, 2008)

Spatial Outsourcing for Location-based Services. - Yin Yang 001; Stavros Papadopoulos 001; Dimitris Papadias; George Kollios (ICDE, 2008)

Randomized Synopses for Query Assurance on Data Streams. - Ke Yi 001; Feifei Li 001; Marios Hadjieleftheriou; George Kollios; Divesh Srivastava (ICDE, 2008)

Efficient Processing of Top-k Queries in Uncertain Databases. - Ke Yi 001; Feifei Li 001; George Kollios; Divesh Srivastava (ICDE, 2008)

Approximate embedding-based subsequence matching of time series. - Vassilis Athitsos; Panagiotis Papapetrou; Michalis Potamias; George Kollios; Dimitrios Gunopulos (SIGMOD Conference, 2008)

BoostMap: An Embedding Method for Efficient Nearest Neighbor Retrieval. - Vassilis Athitsos; Jonathan Alon; Stan Sclaroff; George Kollios (IEEE Trans. Pattern Anal. Mach. Intell., 2008)

Efficient Processing of Top-k Queries in Uncertain Databases with x-Relations. - Ke Yi 001; Feifei Li 001; George Kollios; Divesh Srivastava (IEEE Trans. Knowl. Data Eng., 2008)

Authenticated Index Structures for Outsourced Databases. - Feifei Li 001; Marios Hadjieleftheriou; George Kollios; Leonid Reyzin (Handbook of Database Security, 2008)

Indexing Spatio-temporal Archives. - Marios Hadjieleftheriou; George Kollios; Vassilis J. Tsotras; Dimitrios Gunopulos (Encyclopedia of GIS, 2008)

Mobile Object Indexing. - George Kollios; Vassilis J. Tsotras; Dimitrios Gunopulos (Encyclopedia of GIS, 2008)

Trajectories, Discovering Similar. - George Kollios; Michail Vlachos; Dimitrios Gunopulos (Encyclopedia of GIS, 2008)

Trip Planning Queries in Road Network Databases. - Feifei Li 001; Marios Hadjieleftheriou; George Kollios; Dihan Cheng; Shang-Hua Teng (Encyclopedia of GIS, 2008)

Mining frequent arrangements of temporal intervals. - Panagiotis Papapetrou; George Kollios; Stan Sclaroff; Dimitrios Gunopulos (Knowl. Inf. Syst., 2009)

Reference-Based Alignment in Large Sequence Databases. - Panagiotis Papapetrou; Vassilis Athitsos; George Kollios; Dimitrios Gunopulos (Proc. VLDB Endow., 2009)

Robust approximate aggregation in sensor data management systems. - Jeffrey Considine; Marios Hadjieleftheriou; Feifei Li 001; John W. Byers; George Kollios (ACM Trans. Database Syst., 2009)

Small synopses for group-by query verification on outsourced data streams. - Ke Yi 001; Feifei Li 001; Graham Cormode; Marios Hadjieleftheriou; George Kollios; Divesh Srivastava (ACM Trans. Database Syst., 2009)

Self-tuning management of update-intensive multidimensional data in clusters of workstations. - Vassil Kriakov; George Kollios; Alex Delis (VLDB J., 2009)

Authenticated indexing for outsourced spatial databases. - Yin Yang 001; Stavros Papadopoulos 001; Dimitris Papadias; George Kollios (VLDB J., 2009)

Spatio-Temporal Selectivity Estimation. - George Kollios (Encyclopedia of Database Systems, 2009)

MRShare: Sharing Across Multiple Queries in MapReduce. - Tomasz Nykiel; Michalis Potamias; Chaitanya Mishra; George Kollios; Nick Koudas (Proc. VLDB Endow., 2010)

k-Nearest Neighbors in Uncertain Graphs. - Michalis Potamias; Francesco Bonchi; Aristides Gionis; George Kollios (Proc. VLDB Endow., 2010)

Authenticated Index Structures for Aggregation Queries. - Feifei Li 001; Marios Hadjieleftheriou; George Kollios; Leonid Reyzin (ACM Trans. Inf. Syst. Secur., 2010)

Embedding-based subsequence matching in time-series databases. - Panagiotis Papapetrou; Vassilis Athitsos; Michalis Potamias; George Kollios; Dimitrios Gunopulos (ACM Trans. Database Syst., 2011)

Mining poly-regions in DNA. - Panagiotis Papapetrou; Gary Benson; George Kollios (Int. J. Data Min. Bioinform., 2012)

Hum-a-song: A Subsequence Matching with Gaps-Range-Tolerances Query-By-Humming System. - Alexios Kotsifakos; Panagiotis Papapetrou; Jaakko Hollmén; Dimitrios Gunopulos; Vassilis Athitsos; George Kollios (Proc. VLDB Endow., 2012)

A Generic Framework for Efficient and Effective Subsequence Retrieval. - Haohan Zhu; George Kollios; Vassilis Athitsos (Proc. VLDB Endow., 2012)

Clustering Large Probabilistic Graphs. - George Kollios; Michalis Potamias; Evimaria Terzi (IEEE Trans. Knowl. Data Eng., 2013)

Privacy Preserving Similarity Evaluation of Time Series Data. - Haohan Zhu; Xianrui Meng; George Kollios (EDBT, 2014)

Sharing across Multiple MapReduce Jobs. - Tomasz Nykiel; Michalis Potamias; Chaitanya Mishra; George Kollios; Nick Koudas (ACM Trans. Database Syst., 2014)

Modular Order-Preserving Encryption, Revisited. - Charalampos Mavroforakis; Nathan Chenette; Adam O'Neill; George Kollios; Ran Canetti (SIGMOD Conference, 2015)

Secure Top-k Query Processing on Encrypted Databases. - Xianrui Meng; Haohan Zhu; George Kollios (CoRR, 2015)

GRECS: Graph Encryption for Approximate Shortest Distance Queries. - Xianrui Meng; Seny Kamara; Kobbi Nissim; George Kollios (IACR Cryptol. ePrint Arch., 2015)

Generic Attacks on Secure Outsourced Databases. - Georgios Kellaris; George Kollios; Kobbi Nissim; Adam O'Neill (CCS, 2016)

Accessing Data while Preserving Privacy. - Georgios Kellaris; George Kollios; Kobbi Nissim; Adam O'Neill (CoRR, 2017)

NED: An Inter-Graph Node Metric Based On Edit Distance. - Haohan Zhu; Xianrui Meng; George Kollios (Proc. VLDB Endow., 2017)

Trip Planning Queries in Road Network Databases. - Feifei Li 001; Marios Hadjieleftheriou; George Kollios; Dihan Cheng; Shang-Hua Teng (Encyclopedia of GIS, 2017)

Indexing Spatiotemporal Archives. - Marios Hadjieleftheriou; George Kollios; Vassilis J. Tsotras; Dimitrios Gunopulos (Encyclopedia of GIS, 2017)

Mobile Object Indexing. - George Kollios; Vassilis J. Tsotras; Dimitrios Gunopulos (Encyclopedia of GIS, 2017)

Trajectories, Discovering Similar. - George Kollios; Michail Vlachos; Dimitrios Gunopulos (Encyclopedia of GIS, 2017)

Top-k Query Processing on Encrypted Databases with Strong Security Guarantees. - Xianrui Meng; Haohan Zhu; George Kollios (ICDE, 2018)

A Comparative Evaluation of Order-Preserving and Order-Revealing Schemes and Protocols. - Dmytro Bogatov; George Kollios; Leonid Reyzin (IACR Cryptol. ePrint Arch., 2018)

Spatiotemporal Selectivity Estimation. - George Kollios (Encyclopedia of Database Systems (2nd ed.), 2018)

A Comparative Evaluation of Order-Revealing Encryption Schemes and Secure Range-Query Protocols. - Dmytro Bogatov; George Kollios; Leonid Reyzin (Proc. VLDB Endow., 2019)

εpsolute: Efficiently Querying Databases While Providing Differential Privacy. - Dmytro Bogatov; Georgios Kellaris; George Kollios; Kobbi Nissim; Adam O'Neill (CCS, 2021)

An Efficient Local Search Algorithm for Correlation Clustering on Large Graphs. - Nathan Cordner; George Kollios (COCOA (1), 2023)

Efficient Correlation Clustering Methods for Large Consensus Clustering Instances. - Nathan Cordner; George Kollios (CoRR, 2023)

Doquet: Differentially Oblivious Range and Join Queries with Private Data Structures. - Lina Qiu; Georgios Kellaris; Nikos Mamoulis; Kobbi Nissim; George Kollios (Proc. VLDB Endow., 2023)

The Price of Privacy: A Performance Study of Confidential Virtual Machines for Database Systems. - Lina Qiu; Rebecca Taft; Alexander Shraer; George Kollios (DaMoN, 2024)