Alexios Kotsifakos
Software Engineer at Amazon


Conferences - Journals



2015

12. Alexios Kotsifakos, Isak Karlsson, Panagiotis Papapetrou, Vassilis Athitsos, and Dimitrios Gunopulos, "Embedding-based Subsequence Matching with Gaps-Range-Tolerances: a Query-By-Humming application". Very Large DataBases (VLDB) Journal, 2015 [.pdf].

11. Alexios Kotsifakos, Alexandra Stefan, Vassilis Athitsos, Gautam Das, and Panagiotis Papapetrou, "DRESS: Dimensionality Reduction for Efficient Sequence Search". Data Mining and Knowledge Discovery (DAMI) Journal, 2015 [.pdf].

2014

10. Alexios Kotsifakos, Panagiotis Papapetrou, and Vassilis Athitsos, "Query-sensitive Distance Measure Selection for Time Series Nearest Neighbor Classification". Intelligent Data Analysis (IDA) Journal, 2014 [.pdf].

9. Alexios Kotsifakos and Panagiotis Papapetrou, "Model-based Time Series Classification". In Proceedings of International Symposium on Intelligent Data Analysis (IDA), November 2014 [.pdf].

8. Alexios Kotsifakos, "Case Study: Model-based vs. Distance-based Search in Time Series Databases". In Proceedings of SIAM International Conference on Data Mining (SDM), Exploratory Data Analysis (EDA) Workshop, April 2014 [.pdf].

2013

7. Alexios Kotsifakos, Panagiotis Papapetrou, and Vassilis Athitsos, "IBSM: Interval-Based Sequence Matching". In Proceedings of SIAM International Conference on Data Mining (SDM), May 2013 [.pdf].

6. Alexios Kotsifakos, Evangelos E. Kotsifakos, Panagiotis Papapetrou, and Vassilis Athitsos, "Genre Classification of Symbolic Music with SMBGT". In Proceedings of PErvasive Technologies Related to Assistive Environments (PETRAE), May 2013 [.pdf].

2012

5. Alexios Kotsifakos, Panagiotis Papapetrou, Jaakko Hollmen, Dimitrios Gunopulos, Vassilis Athitsos, and George Kollios, "Hum-a-song: A Subsequence Matching with Gaps-Range-Tolerances Query-By-Humming System". In Proceedings of the Very Large DataBases Endowement (PVLDB), August 2012 [.pdf]. You can download the system from here.

4. Alexios Kotsifakos, Panagiotis Papapetrou, Jaakko Hollmen, Dimitrios Gunopulos, and Vassilis Athitsos, "A Survey of Query-By-Humming Similarity Methods". In Proceedings of PErvasive Technologies Related to Assistive Environments (PETRAE), June 2012 [.pdf].

2011

3. Alexios Kotsifakos, Panagiotis Papapetrou, Jaakko Hollmen, and Dimitrios Gunopulos, "A Subsequence Matching with Gaps-Range-Tolerances Framework: A Query-By-Humming Application". In Proceedings of the Very Large DataBases Endowement (PVLDB), August 2011 [.pdf].

2. Alexios Kotsifakos, Vassilis Athitsos, Panagiotis Papapetrou, Jaakko Hollmen, and Dimitrios Gunopulos, "Model-Based Search in Large Time Series Databases". In Proceedings of PErvasive Technologies Related to Assistive Environments (PETRAE), May 2011 [.pdf].

1. George Valkanas, Alexios Kotsifakos, Dimitrios Gunopulos, Ixent Galpin, Alasdair Gray, Alvaro A. Fernandes, and Norman W. Paton, "Deploying In-Network Data Analysis Techniques in Sensor Networks". Demo in Mobile Data Management (MDM), June 2011 [.pdf].


Articles


1. "OWASP: Security in Web Applications" published in Greek Linux Format magazine, Vol. of July - August 2008, co-authors: Konstantinos Papapanagiotou, Miltiades Kanduas. Main subject of the article is an open-source web vulnerabiliy scanner that we developed and is available through SourceForge [.pdf (in Greek)].

2. Article about privacy and identification in mobile data in the Newsletter of the research program MODAP (Mobility, Data Mining and Privacy), Vol. 1, Issue 6, September - October 2010 [.pdf].