Publications

Twin Subsequence Search in Time Series. Georgios Chatzigeorgakidis, Dimitrios Skoutas, Kostas Patroumpas, Themis Palpanas, Spiros Athanasiou, Spiros Skiadopoulos. EDBT, 2021 

A Visual Explorer for Geolocated Time Series. Georgios Chatzigeorgakidis, Kostas Patroumpas, Dimitrios Skoutas, Spiros Athanasiou. SIGSPATIAL: 413-416, 2020

Local Pair and Bundle Discovery over Co-Evolving Time Series . Georgios Chatzigeorgakidis, Dimitrios Skoutas, Kostas Patroumpas, Themis Palpanas, Spiros Athanasiou, Spiros Skiadopoulos. Proceedings of the 16th International Symposium on Spatial and Temporal Databases (SSTD 2019), 2019 

Local Similarity Search on Geolocated Time Series Using Hybrid Indexing. Georgios Chatzigeorgakidis, Dimitrios Skoutas, Kostas Patroumpas, Themis Palpanas, Spiros Athanasiou, Spiros Skiadopoulos. 26th ACM SIGSPATIAL International Conference on Advances in Geographic Information Systems (ACM SIGSPATIAL 2019), 2019, 2019 

Scalable Hybrid Similarity Join over Geolocated Time Series . Giorgos Chatzigeorgakidis, Kostas Patroumpas, Dimitrios Skoutas, Spiros Athanasiou, and Spiros Skiadopoulos. 26th ACM SIGSPATIAL International Conference on Advances in Geographic Information Systems (ACM SIGSPATIAL 2018), 2018 

Map-Based Visual Exploration of Geolocated Time Series . Giorgos Chatzigeorgakidis, Dimitrios Skoutas, Kostas Patroumpas, Spiros Athanasiou, and Spiros Skiadopoulos. BigVis EDBT/ICDT 2018, 2018 

Indexing Geolocated Time Series Data. Georgios Chatzigeorgakidis, Dimitrios Skoutas, Kostas Patroumpas, Spiros Athanasiou, Spiros Skiadopoulos. 25th ACM SIGSPATIAL International Conference on Advances in Geographic Information Systems (ACM SIGSPATIAL 2017), 2017 

Visual Exploration of Geolocated Time Series with Hybrid Indexing. Georgios Chatzigeorgakidis, Kostas Patroumpas, Dimitrios Skoutas, Spiros Athanasiou, Spiros Skiadopoulos. Big Data Research, Volume 15 (pp. 12-28), 2019 

FML kNN: scalable machine learning on Big Data using k nearest neighbor joins. Giorgos Chatzigeorgakidis, Sophia Karagiorgou, Spiros Athanasiou, and Spiros Skiadopoulos. Journal of Big Data, Vol. 5, DOI: 10.1186/s40537-018-0115-x, 2018 

Scalable Indexing and Exploration of Big Time Series Data. Georgios Chatzigeorgakidis. PhD Thesis, 2020