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ORCIDGeorge Kollios
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- affiliation: Boston University, USA
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2020 – today
- 2024
[c50]Lina Qiu
, Rebecca Taft, Alexander Shraer, George Kollios:
The Price of Privacy: A Performance Study of Confidential Virtual Machines for Database Systems. DaMoN 2024: 2:1-2:8- 2023
- [j31]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): 4160-4173 (2023) - [c49]Nathan Cordner, George Kollios:
An Efficient Local Search Algorithm for Correlation Clustering on Large Graphs. COCOA (1) 2023: 3-15 - [i7]Nathan Cordner, George Kollios:
Efficient Correlation Clustering Methods for Large Consensus Clustering Instances. CoRR abs/2307.03818 (2023) - 2021
- [c48]Dmytro Bogatov, Georgios Kellaris, George Kollios, Kobbi Nissim, Adam O'Neill:
εpsolute: Efficiently Querying Databases While Providing Differential Privacy. CCS 2021: 2262-2276
2010 – 2019
- 2019
- [j30]Dmytro Bogatov, George Kollios, Leonid Reyzin:
A Comparative Evaluation of Order-Revealing Encryption Schemes and Secure Range-Query Protocols. Proc. VLDB Endow. 12(8): 933-947 (2019) - 2018
- [c47]Xianrui Meng, Haohan Zhu, George Kollios:
Top-k Query Processing on Encrypted Databases with Strong Security Guarantees. ICDE 2018: 353-364 - [r10]George Kollios:
Spatiotemporal Selectivity Estimation. Encyclopedia of Database Systems (2nd ed.) 2018 - [i6]Dmytro Bogatov, George Kollios, Leonid Reyzin:
A Comparative Evaluation of Order-Preserving and Order-Revealing Schemes and Protocols. IACR Cryptol. ePrint Arch. 2018: 953 (2018) - 2017
- [j29]Haohan Zhu, Xianrui Meng, George Kollios:
NED: An Inter-Graph Node Metric Based On Edit Distance. Proc. VLDB Endow. 10(6): 697-708 (2017) - [r9]Marios Hadjieleftheriou, George Kollios, Vassilis J. Tsotras, Dimitrios Gunopulos:
Indexing Spatiotemporal Archives. Encyclopedia of GIS 2017: 955-966 - [r8]George Kollios, Vassilis J. Tsotras, Dimitrios Gunopulos:
Mobile Object Indexing. Encyclopedia of GIS 2017: 1256-1266 - [r7]George Kollios, Michail Vlachos, Dimitrios Gunopulos:
Trajectories, Discovering Similar. Encyclopedia of GIS 2017: 2302-2309 - [r6]Feifei Li, Marios Hadjieleftheriou, George Kollios, Dihan Cheng, Shang-Hua Teng:
Trip Planning Queries in Road Network Databases. Encyclopedia of GIS 2017: 2338-2343 - [i5]Georgios Kellaris, George Kollios, Kobbi Nissim, Adam O'Neill:
Accessing Data while Preserving Privacy. CoRR abs/1706.01552 (2017) - 2016
- [c46]Georgios Kellaris, George Kollios, Kobbi Nissim, Adam O'Neill:
Generic Attacks on Secure Outsourced Databases. CCS 2016: 1329-1340 - [i4]Haohan Zhu, Xianrui Meng, George Kollios:
NED: An Inter-Graph Node Metric Based On Edit Distance. CoRR abs/1602.02358 (2016) - 2015
- [c45]Xianrui Meng, Seny Kamara, Kobbi Nissim, George Kollios:
GRECS: Graph Encryption for Approximate Shortest Distance Queries. CCS 2015: 504-517 - [c44]Charalampos Mavroforakis, Nathan Chenette, Adam O'Neill, George Kollios, Ran Canetti:
Modular Order-Preserving Encryption, Revisited. SIGMOD Conference 2015: 763-777 - [i3]Xianrui Meng, Haohan Zhu, George Kollios:
Secure Top-k Query Processing on Encrypted Databases. CoRR abs/1510.05175 (2015) - [i2]Xianrui Meng, Seny Kamara, Kobbi Nissim, George Kollios:
GRECS: Graph Encryption for Approximate Shortest Distance Queries. IACR Cryptol. ePrint Arch. 2015: 266 (2015) - 2014
- [j28]Tomasz Nykiel, Michalis Potamias, Chaitanya Mishra, George Kollios, Nick Koudas:
Sharing across Multiple MapReduce Jobs. ACM Trans. Database Syst. 39(2): 12:1-12:46 (2014) - [c43]Haohan Zhu, Xianrui Meng, George Kollios:
Privacy Preserving Similarity Evaluation of Time Series Data. EDBT 2014: 499-510 - 2013
- [j27]George Kollios, Michalis Potamias, Evimaria Terzi:
Clustering Large Probabilistic Graphs. IEEE Trans. Knowl. Data Eng. 25(2): 325-336 (2013) - 2012
- [j26]Panagiotis Papapetrou, Gary Benson, George Kollios:
Mining poly-regions in DNA. Int. J. Data Min. Bioinform. 6(4): 406-428 (2012) - [j25]Haohan Zhu, George Kollios, Vassilis Athitsos:
A Generic Framework for Efficient and Effective Subsequence Retrieval. Proc. VLDB Endow. 5(11): 1579-1590 (2012) - [j24]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): 1930-1933 (2012) - [e3]George Kollios, Yufei Tao, Mario A. Nascimento, Mohamed A. Sharaf:
Proceedings of the Eleventh ACM International Workshop on Data Engineering for Wireless and Mobile Access, MobiDE 2012, Scottsdale, AZ, USA, May 20, 2012. ACM 2012, ISBN 978-1-4503-1442-8 [contents] - [i1]Haohan Zhu, George Kollios, Vassilis Athitsos:
A Generic Framework for Efficient and Effective Subsequence Retrieval. CoRR abs/1208.0286 (2012) - 2011
- [j23]Panagiotis Papapetrou, Vassilis Athitsos, Michalis Potamias, George Kollios, Dimitrios Gunopulos:
Embedding-based subsequence matching in time-series databases. ACM Trans. Database Syst. 36(3): 17:1-17:39 (2011) - [e2]George Kollios, Yufei Tao:
Proceedings of the Tenth ACM International Workshop on Data Engineering for Wireless and Mobile Access, MobiDE 2011, Athens, Greece, June 12, 2011. ACM 2011, ISBN 978-1-4503-0656-0 [contents] - 2010
- [j22]Tomasz Nykiel, Michalis Potamias, Chaitanya Mishra, George Kollios, Nick Koudas:
MRShare: Sharing Across Multiple Queries in MapReduce. Proc. VLDB Endow. 3(1): 494-505 (2010) - [j21]Michalis Potamias, Francesco Bonchi, Aristides Gionis, George Kollios:
k-Nearest Neighbors in Uncertain Graphs. Proc. VLDB Endow. 3(1): 997-1008 (2010) - [j20]Feifei Li, Marios Hadjieleftheriou, George Kollios, Leonid Reyzin:
Authenticated Index Structures for Aggregation Queries. ACM Trans. Inf. Syst. Secur. 13(4): 32:1-32:35 (2010)
2000 – 2009
- 2009
- [j19]Panagiotis Papapetrou, George Kollios, Stan Sclaroff, Dimitrios Gunopulos:
Mining frequent arrangements of temporal intervals. Knowl. Inf. Syst. 21(2): 133-171 (2009) - [j18]Panagiotis Papapetrou, Vassilis Athitsos, George Kollios, Dimitrios Gunopulos:
Reference-Based Alignment in Large Sequence Databases. Proc. VLDB Endow. 2(1): 205-216 (2009) - [j17]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): 6:1-6:35 (2009) - [j16]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): 15:1-15:42 (2009) - [j15]Yin Yang, Stavros Papadopoulos, Dimitris Papadias, George Kollios:
Authenticated indexing for outsourced spatial databases. VLDB J. 18(3): 631-648 (2009) - [j14]Vassil Kriakov, George Kollios, Alex Delis:
Self-tuning management of update-intensive multidimensional data in clusters of workstations. VLDB J. 18(3): 739-764 (2009) - [r5]George Kollios:
Spatio-Temporal Selectivity Estimation. Encyclopedia of Database Systems 2009: 2739-2741 - 2008
- [j13]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): 89-104 (2008) - [j12]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): 1669-1682 (2008) - [c42]Vassilis Athitsos, Michalis Potamias, Panagiotis Papapetrou, George Kollios:
Nearest Neighbor Retrieval Using Distance-Based Hashing. ICDE 2008: 327-336 - [c41]Ke Yi, Feifei Li, Marios Hadjieleftheriou, George Kollios, Divesh Srivastava:
Randomized Synopses for Query Assurance on Data Streams. ICDE 2008: 416-425 - [c40]Yin Yang, Stavros Papadopoulos, Dimitris Papadias, George Kollios:
Spatial Outsourcing for Location-based Services. ICDE 2008: 1082-1091 - [c39]Ke Yi, Feifei Li, George Kollios, Divesh Srivastava:
Efficient Processing of Top-k Queries in Uncertain Databases. ICDE 2008: 1406-1408 - [c38]Vassilis Athitsos, Panagiotis Papapetrou, Michalis Potamias, George Kollios, Dimitrios Gunopulos:
Approximate embedding-based subsequence matching of time series. SIGMOD Conference 2008: 365-378 - [p1]Feifei Li, Marios Hadjieleftheriou, George Kollios, Leonid Reyzin:
Authenticated Index Structures for Outsourced Databases. Handbook of Database Security 2008: 115-136 - [r4]Marios Hadjieleftheriou, George Kollios, Vassilis J. Tsotras, Dimitrios Gunopulos:
Indexing Spatio-temporal Archives. Encyclopedia of GIS 2008: 530-538 - [r3]George Kollios, Vassilis J. Tsotras, Dimitrios Gunopulos:
Mobile Object Indexing. Encyclopedia of GIS 2008: 662-670 - [r2]George Kollios, Michail Vlachos, Dimitrios Gunopulos:
Trajectories, Discovering Similar. Encyclopedia of GIS 2008: 1168-1173 - [r1]Feifei Li, Marios Hadjieleftheriou, George Kollios, Dihan Cheng, Shang-Hua Teng:
Trip Planning Queries in Road Network Databases. Encyclopedia of GIS 2008: 1176-1181 - 2007
- [j11]Vassilis Athitsos, Marios Hadjieleftheriou, George Kollios, Stan Sclaroff:
Query-sensitive embeddings. ACM Trans. Database Syst. 32(2): 8 (2007) - [c37]Vassil Kriakov, Alex Delis, George Kollios:
Approximate Data Stream Joins in Distributed Systems. ICDCS 2007: 5 - [c36]Stilian Stoev, Marios Hadjieleftheriou, George Kollios, Murad S. Taqqu:
Norm, Point, and Distance Estimation Over Multiple Signals Using Max-Stable Distributions. ICDE 2007: 1006-1015 - [c35]Nikolaos Laoutaris, Georgios Zervas, Azer Bestavros, George Kollios:
The Cache Inference Problem and its Application to Content and Request Routing. INFOCOM 2007: 848-856 - [c34]Feifei Li, Ke Yi, Marios Hadjieleftheriou, George Kollios:
Proof-Infused Streams: Enabling Authentication of Sliding Window Queries On Streams. VLDB 2007: 147-158 - [c33]Spiros Papadimitriou, Feifei Li, George Kollios, Philip S. Yu:
Time Series Compressibility and Privacy. VLDB 2007: 459-470 - [e1]Dimitris Papadias, Donghui Zhang, George Kollios:
Advances in Spatial and Temporal Databases, 10th International Symposium, SSTD 2007, Boston, MA, USA, July 16-18, 2007, Proceedings. Lecture Notes in Computer Science 4605, Springer 2007, ISBN 978-3-540-73539-7 [contents] - 2006
- [j10]Jimeng Sun, Yufei Tao, Dimitris Papadias, George Kollios:
Spatio-temporal join selectivity. Inf. Syst. 31(8): 793-813 (2006) - [j9]Marios Hadjieleftheriou, George Kollios, Vassilis J. Tsotras, Dimitrios Gunopulos:
Indexing spatiotemporal archives. VLDB J. 15(2): 143-164 (2006) - [c32]Feifei Li, Ching Chang, George Kollios, Azer Bestavros:
Characterizing and Exploiting Reference Locality in Data Stream Applications. ICDE 2006: 81 - [c31]Panagiotis Papapetrou, Gary Benson, George Kollios:
Discovering Frequent Poly-Regions in DNA Sequences. ICDM Workshops 2006: 94-98 - [c30]Feifei Li, Marios Hadjieleftheriou, George Kollios, Leonid Reyzin:
Dynamic authenticated index structures for outsourced databases. SIGMOD Conference 2006: 121-132 - 2005
- [j8]George Kollios, John W. Byers, Jeffrey Considine, Marios Hadjieleftheriou, Feifei Li:
Robust Aggregation in Sensor Networks. IEEE Data Eng. Bull. 28(1): 26-32 (2005) - [j7]Michail Vlachos, George Kollios, Dimitrios Gunopulos:
Elastic Translation Invariant Matching of Trajectories. Mach. Learn. 58(2-3): 301-334 (2005) - [j6]Dimitrios Gunopulos, George Kollios, Vassilis J. Tsotras, Carlotta Domeniconi:
Selectivity estimators for multidimensional range queries over real attributes. VLDB J. 14(2): 137-154 (2005) - [j5]George Kollios, Dimitris Papadopoulos, Dimitrios Gunopulos, Vassilis J. Tsotras:
Indexing mobile objects using dual transformations. VLDB J. 14(2): 238-256 (2005) - [c29]Panfeng Zhou, Donghui Zhang, Betty Salzberg, Gene Cooperman, George Kollios:
Close pair queries in moving object databases. GIS 2005: 2-11 - [c28]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: 806-810 - [c27]Panagiotis Papapetrou, George Kollios, Stan Sclaroff, Dimitrios Gunopulos:
Discovering Frequent Arrangements of Temporal Intervals. ICDM 2005: 354-361 - [c26]Vassilis Athitsos, Marios Hadjieleftheriou, George Kollios, Stan Sclaroff:
Query-Sensitive Embeddings. SIGMOD Conference 2005: 706-717 - [c25]Feifei Li, Dihan Cheng, Marios Hadjieleftheriou, George Kollios, Shang-Hua Teng:
On Trip Planning Queries in Spatial Databases. SSTD 2005: 273-290 - [c24]Marios Hadjieleftheriou, George Kollios, Petko Bakalov, Vassilis J. Tsotras:
Complex Spatio-Temporal Pattern Queries. VLDB 2005: 877-888 - 2004
- [c23]Vassilis Athitsos, Jonathan Alon, Stan Sclaroff, George Kollios:
BoostMap: A Method for Efficient Approximate Similarity Rankings. CVPR (2) 2004: 268-275 - [c22]Vassil Kriakov, Alex Delis, George Kollios:
Management of Highly Dynamic Multidimensional Data in a Cluster of Workstations. EDBT 2004: 748-764 - [c21]Yufei Tao, George Kollios, Jeffrey Considine, Feifei Li, Dimitris Papadias:
Spatio-Temporal Aggregation Using Sketches. ICDE 2004: 214-225 - [c20]Jeffrey Considine, Feifei Li, George Kollios, John W. Byers:
Approximate Aggregation Techniques for Sensor Databases. ICDE 2004: 449-460 - [c19]Dan Buzan, Stan Sclaroff, George Kollios:
Extraction and Clustering of Motion Trajectories in Video. ICPR (2) 2004: 521-524 - [c18]Nikos Mamoulis, Huiping Cao, George Kollios, Marios Hadjieleftheriou, Yufei Tao, David W. Cheung:
Mining, indexing, and querying historical spatiotemporal data. KDD 2004: 236-245 - [c17]Marios Hadjieleftheriou, Vassil Kriakov, Yangui Tao, George Kollios, Alex Delis, Vassilis J. Tsotras:
Spatio-Temporal Data Services in a Shared-Nothing Environment. SSDBM 2004: 131-134 - 2003
- [j4]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): 1170-1187 (2003) - [c16]Jonathan Alon, Stan Sclaroff, George Kollios, Vladimir Pavlovic:
Discovering Clusters in Motion Time-Series Data. CVPR (1) 2003: 375-381 - [c15]Marios Hadjieleftheriou, George Kollios, Dimitrios Gunopulos, Vassilis J. Tsotras:
On-Line Discovery of Dense Areas in Spatio-temporal Databases. SSTD 2003: 306-324 - [c14]Marios Hadjieleftheriou, George Kollios, Vassilis J. Tsotras:
Performance Evaluation of Spatio-temporal Selectivity Estimation Techniques. SSDBM 2003: 202-211 - 2002
- [j3]Dimitris Papadopoulos, George Kollios, Dimitrios Gunopulos, Vassilis J. Tsotras:
Indexing Mobile Objects Using Duality Transforms. IEEE Data Eng. Bull. 25(2): 18-24 (2002) - [j2]George Kollios, Vassilis J. Tsotras:
Hashing Methods for Temporal Data. IEEE Trans. Knowl. Data Eng. 14(4): 902-919 (2002) - [c13]Dimitris Papadopoulos, George Kollios, Dimitrios Gunopulos, Vassilis J. Tsotras:
Indexing Mobile Objects on the Plane. DEXA Workshops 2002: 693-697 - [c12]Michail Vlachos, Dimitrios Gunopulos, George Kollios:
Robust Similarity Measures for Mobile Object Trajectories. DEXA Workshops 2002: 721-728 - [c11]Marios Hadjieleftheriou, George Kollios, Vassilis J. Tsotras, Dimitrios Gunopulos:
Efficient Indexing of Spatiotemporal Objects. EDBT 2002: 251-268 - [c10]Michail Vlachos, Dimitrios Gunopulos, George Kollios:
Discovering Similar Multidimensional Trajectories. ICDE 2002: 673-684 - [c9]Michail Vlachos, Carlotta Domeniconi, Dimitrios Gunopulos, George Kollios, Nick Koudas:
Non-linear dimensionality reduction techniques for classification and visualization. KDD 2002: 645-651 - 2001
- [j1]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): 758-777 (2001) - [c8]George Kollios, Stan Sclaroff, Margrit Betke:
Motion Mining: Discovering Spatio-Temporal Patterns in Databases of Human Motion. DMKD 2001 - [c7]George Kollios, Dimitrios Gunopulos, Nick Koudas, Stefan Berchtold:
An Efficient Approximation Scheme for Data Mining Tasks. ICDE 2001: 453-462 - [c6]Stan Sclaroff, George Kollios, Margrit Betke, Rómer Rosales:
Motion Mining. MDIC 2001: 16-32 - 2000
- [c5]Dimitrios Gunopulos, George Kollios, Vassilis J. Tsotras, Carlotta Domeniconi:
Approximating Multi-Dimensional Aggregate Range Queries over Real Attributes. SIGMOD Conference 2000: 463-474
1990 – 1999
- 1999
- [c4]Joseph M. Hellerstein, Lisa Hellerstein, George Kollios:
On the Generation of 2-Dimensional Index Workloads. ICDT 1999: 113-130 - [c3]George Kollios, Dimitrios Gunopulos, Vassilis J. Tsotras:
Indexing Animated Objects. Multimedia Information Systems 1999: 28-33 - [c2]George Kollios, Dimitrios Gunopulos, Vassilis J. Tsotras:
On Indexing Mobile Objects. PODS 1999: 261-272 - [c1]George Kollios, Dimitrios Gunopulos, Vassilis J. Tsotras:
Nearest Neighbor Queries in a Mobile Environment. Spatio-Temporal Database Management 1999: 119-134
Coauthor Index
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