Publications supported by the NSF CAREER Award IIS-0133825
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- Vassilis Athitsos, Panagiotis Papapetrou, Michalis Potamias, George
Kollios, and Dimitrios Gunopulos. Approximate Embedding-Based Subsequence
Matching of Time Series. To Appear in the Proc. of the 28th ACM
SIGMOD International Conference on Management of Data, Vancouver,
Canada, June 2008. [PDF]
- Ke Yi, Feifei Li, Marios Hadjieleftheriou, Divesh Srivastava, and George Kollios.
Randomized Synopses for Query Assurance on Data Streams.
Proc. of the 24th IEEE ICDE International Conference on Data Engineering,
Cancun, Mexico, April 2008. [PDF]
- Ying Yang, Stavros Papadopoulos, Dimitris Papadias, and George Kollios.
Spatial Outsourcing for Location-based Services.
Proc. of the 24th IEEE ICDE International Conference on Data Engineering,
Cancun, Mexico, April 2008. [PDF]
- Ke Yi, Feifei Li, Divesh Srivastava, and George Kollios.
Efficient Processing of Top-k Queries in Uncertain Databases.
Proc. of the 24th IEEE ICDE International Conference on
Data Engineering, Cancun, Mexico, April 2008. (3 page Poster) [PDF]
- Spiros Papadimitriou, Feifei Li, George Kollios, and Philip S. Yu.
Time Series Compressibility and Privacy.
Proc. of the 33rd VLDB International Conference on Very Large Databases,
Vienna, Austria, September 2007.
[PDF]
- Feifei Li, Ke Yi, Marios Hadjieleftheriou, and George Kollios.
Proof-Infused Streams: Enabling Authentication of Sliding Window Queries On Streams.
Proc. of the 33rd VLDB International Conference on Very Large Databases,
Vienna, Austria, September 2007.
[PDF]
- Vassilis Athitsos, Marios Hadjieleftheriou, George Kollios, and Stan
Sclaroff. Query-Sensitive Embeddings. ACM TODS, Vol. 32, No. 2, June 2007. [PDF]
- Jimeng Sun, Yufei Tao, Dimitris Papadias, and George Kollios. Spatio-Temporal
Join Selectivity. Information Systems, Vol. 31, No. 8, pp. 793-813,
December 2006. [PDF]
- Feifei Li, Marios Hadjieleftheriou, George Kollios, and Leonid Reyzin.
Dynamic Authenticated Index Structures for Outsourced Databases. Proc. of
the 25th ACM SIGMOD International Conference on Management of Data,
Chicago, Illinois, June 2006. [PDF]
- Marios Hadjieleftheriou, George Kollios, Vassilis Tsotras, and Dimitris
Gunopulos. Indexing Spatio-Temporal Archives. VLDB Journal,
Vol. 15, No. 2, pp. 143-164, June 2006. [PDF]
- Marios Hadjieletheriou, George Kollios, Petko Bakalov, and Vassilis
Tsotras. Complex Spatio-Temporal Pattern Queries. Proc. of the
31st International Conference on Very Large
Data Bases (VLDB), Trondheim, Norway, August 2005. [PDF]
- Feifei Li, Dihan Chen, Marios Hadjieleftheriou, George Kollios, and
Shang-Hua Teng. On Trip Planning Queries in Spatial Databases. Proc. of
the 9th International Symposium on Spatial and Temporal Databases (SSTD),
Angra dos Reis, Brazil, August 2005. [PDF]
- Dimitrios Gunopoulos, George Kollios, Vassilis Tsotras, and Carlotta
Domeniconi. Selectivity Estimators for Multi-Dimensional Range Queries Over
Real Attributes. VLDB Journal, Vol. 14, No. 2, pp. 137-154, April
2005. [PDF]
- Michail Vlachos, George Kollios, and Dimitrios Gunopulos. Elastic
Translation Invariant Matching of Trajectories. Machine Learning
Journal, Vol. 58, No. 2, pp. 301-334, February 2005.
[link]
- George Kollios, Dimitris Papadopoulos, Dimitrios Gunopulos, and Vassilis
Tsotras. Indexing Mobile Objects Using Dual Transformations. VLDB
Journal, Vol. 14, No. 2, pp. 238-256, April 2005. [PDF]
- Nikos Mamoulis, Huping Cao, George Kollios, Marios Hadjieleftheriou, Yufei
Tao, and David Cheung. Mining, Indexing, and Querying Historical Spatio-Temporal
Data. Proceedings of the 10th ACM International Conference on Knowledge
Discovery and Data Mining (SIGKDD), Seattle, WA, August 2004. [PDF]
- Marios Hadjieleftheriou, Vassil Kriakov, Yangui Tao, George Kollios, Alex
Delis, and Vassilis Tsotras. Spatio-Temporal Data Services in a
Shared-Nothing Environment. Proceedings of the 16th International
Conference on Scientific and Statistical Database Management (SSDBM),
Santorini, Greece, June 2004. [PDF]
- Jeffrey Considine, Feifei Li, George Kollios, and John Byers. Approximate
Aggregation Techniques for Sensor Databases.
Proceedings of 20th IEEE International Conference on Data Engineering (ICDE),
Boston, MA, March 30 - April 2, 2004. [PDF]
(co-best paper award)
- Yufei Tao, George Kollios, Jeffrey Considine, Feifei Li, and Dimitris
Papadias. Spatio-Temporal
Aggregation Using Sketches. Proceedings of 20th IEEE
International Conference on Data Engineering (ICDE), Boston, MA,
March 30 - April 2, 2004. [PDF]
- Marios Hadjieleftheriou, George Kollios, Vassilis Tsotras, and Dimitris
Gunopulos. On-Line Discovery of Dense Areas in Spatio-temporal Databases.
Proceedings of the 8th International Symposium on Spatial and Temporal
Databases (SSTD), Santorini, Greece, July 2003. [PDF]
- Jonathan Alon, Stan Sclaroff, George Kollios, and Vladimir Pavlovic.
Discovering Clusters in Motion Time-Series Data.
Proceedings of the 2003 IEEE Computer Society Conference on Computer Vision and
Pattern Recognition (CVPR), Madison, WI, June 2003.
[PDF]
- Marios Hadjieleftheriou, George Kollios, and Vassilis Tsotras.
Performance Evaluation of Spatio-temporal Selectivity Estimation Techniques.
Proceedings of the 15th International Conference on Scientific and Statistical
Database Management (SSDBM), Cambridge, Massachusetts, July 2003. [PDF]
- Michail Vlachos, Carlotta Domeniconi, Dimitrios Gunopulos, George Kollios, and Nick Koudas.
Non-linear dimensionality reduction techniques for classification and visualization.
Proceedings of the ACM SIGKDD 2002. Edmonton, Alberta, Canada, July 2002.
[PDF]
- Dimitris Papadopoulos, George Kollios, Dimitrios Gunopulos, and Vassilis
Tsotras. Indexing Mobile Objects on the Plane. MDDS 02,
Aix-en-Provence, France, 2002.[PDF]
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