Publications

• K. Semertzidis, E. Pitoura, E. Terzi, and P. Tsaparas, Finding Lasting Dense Subgraphs, in Data Mining and Knowledge Discovery (ECML-PKDD), vol. 33, no. 5, pp. 1417--1445, 2019.

• K. Semertzidis, and E. Pitoura, Top-k Durable Graph Pattern Queries on Temporal Graphs, in IEEE Transactions on Knowledge and Data Engineering (IEEE TKDE), vol. 31, no. 1, pp. 181--194, 2019.

• K. Semertzidis, and E. Pitoura, Historical Traversals in Native Graph Databases, in Proc. of the 21^st International Conference on Advances in Databases and Information Systems (ADBIS 2017), September 24-27, 2017, Nicosia, Cyprus.

• G. Domeniconi, K. Semertzidis, G. Moro, V. Lopez, S. Kotoulas, and E. M. Daly, Identifying Conversational Message Threads by Integrating Classification and Data Clustering, Springer Communications in Computer Information Sciences (CCIS), vol. 737, 2017. (Revised Selected Papers of Data 2016)

• G. Domeniconi, K. Semertzidis, V. Lopez, E. M. Daly, S. Kotoulas, and G. Moro, A Novel Method for Unsupervised and Supervised Conversational Message Thread Detection, in Proc. of the 5^th International Conference on Data Management Technologies and Applications (DATA 2016), July 24-26, 2016, Lisbon, Portugal.

• K. Semertzidis, and E. Pitoura, Durable Graph Pattern Queries on Historical Graphs, in Proc. of the 32^nd IEEE International Conference on Data Engineering (ICDE 2016), May 16-20, 2016, Helsinki, Finland. (Also presented at the 15^th Hellenic Data Management Symposium (HDMS), 2017.)

• K. Semertzidis, and E. Pitoura, Time Traveling in Graphs using a Graph Database, in Proc. of the 5^th International Workshop on Querying Graph Structured Data (GraphQ 2016), in conjunction with the EDBT/ICDT 2016 Joint Conference, March 15, 2016, Bordeaux, France.

• K. Semertzidis, E. Pitoura, and K. Lillis, TimeReach: Historical Reachability Queries on Evolving Graphs, in Proc. of the 18^th International Conference on Extending Database Technology (EDBT 2015), March 23-27, 2015, Brussels, Belgium.

• K. Lazaridou, K. Semertzidis, E. Pitoura, and P. Tsaparas, Identifying Converging Pairs of Nodes on a Budget, in Proc. of the 18^th International Conference on Extending Database Technology (EDBT 2015), March 23-27, 2015, Brussels, Belgium. (Also presented at the 12^th Hellenic Data Management Symposium (HDMS), 2014.)

• K. Semertzidis, E. Pitoura and P. Tsaparas, How people describe themselves on Twitter, in Proc. of the 3^rd ACM SIGMOD Workshop on Databases and Social Networks (DBSocial 2013), in conjunction with SIGMOD/PODS 2013, June 23, 2013, New York. (Best Paper Award)

Theses:

• K. Semertzidis, Storage, Processing and Analysis of Large Evolving Graphs, PhD Thesis [Supervisor: Prof. E. Pitoura]

• K. Semertzidis, Mobile application development to enhance higher education lectures, MSc Thesis [Supervisor: Dr. G. Despotou]

• K. Semertzidis, A study of how people describe themselves on Twitter, BSc Thesis [Supervisors: Prof. E. Pitoura and P. Tsaparas]

Citations of my work from Google Scholar and DBLP page