Joern Ploennigs, K. Semertzidis, Fabio Lorenzi, Identifying relevant graph patterns in a knowledge graph background, US Patent App. 17/454909 (Filed Nov 15, 2021)
K. Semertzidis, Transportation Boarding Time Notification, US Patent App. 17/093,975 (Granted Oct, 2023)
K. Semertzidis, E. Pitoura, E. Terzi, and P. Tsaparas, Finding Lasting Dense Subgraphs, in Data Mining and Knowledge Discovery (DAMI), Journal Track of 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 (TKDE), vol. 31, no. 1, pp. 181--194, 2019.
J. Ploennigs, K. Semertzidis, F. Lorenzi, and N. Mihindukulasooriya, Scaling Knowledge Graphs for Automating AI of Digital Twins, in Proc. of the 21st International Semantic Web Conference (ISWC), Hangzhou, China, Oct 23 - 27, 2022. ▶ DTBM - Digital Twin Benchmark Model
S. Tsioutsiouliklis, E. Pitoura, K. Semertzidis, and P. Tsaparas, Link Recommendations for PageRank Fairness, in Proc. of the ACM Web Conference (WWW), Lyon, France, Apr 25 - 29, 2022.
K. Katsarou, S. Sunder, V. Woloszyn, and K. Semertzidis, Sentiment Polarization in Online Social Networks: The Flow of Hate Speech, in Proc. of the 8th International Conference on Social Network Analysis Management and Security (SNAMS), Gandia, Spain, Virtual, Dec 6 - 9, 2021.
K. Semertzidis, and E. Pitoura, A Hybrid Approach to Temporal Pattern Matching, in Proc. of the 12th International Conference on Advances in Social Networks Analysis and Mining (ASONAM), Hague, Netherlands, Virtual, Dec 7 - 10, 2020.
I. Kouvatis, K. Semertzidis, M. Zerva, E. Pitoura, and P. Tsaparas, Forming Compatible Teams in Signed Networks, in Proc. of the 23rd International Conference on Extending Database Technology (EDBT), Copenhagen, Denmark, March 30 - April 2, 2020.
K. Semertzidis, and E. Pitoura, Historical Traversals in Native Graph Databases, in Proc. of the 21st International Conference on Advances in Databases and Information Systems (ADBIS), Nicosia, Cyprus, September 24 - 27, 2017.
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 5th International Conference on Data Management Technologies and Applications (DATA), Lisbon, Portugal, July 24 - 26, 2016.
K. Semertzidis, and E. Pitoura, Durable Graph Pattern Queries on Historical Graphs, in Proc. of the 32nd IEEE International Conference on Data Engineering (ICDE), Helsinki, Finland, May 16 - 20, 2016. (Also presented at the 15th Hellenic Data Management Symposium (HDMS), 2017)
K. Semertzidis, and E. Pitoura, Time Traveling in Graphs using a Graph Database, in Proc. of the 5th International Workshop on Querying Graph Structured Data (GraphQ), in conjunction with the EDBT/ICDT 2016 Joint Conference, Bordeaux, France, March 15, 2016.
K. Semertzidis, E. Pitoura, and K. Lillis, TimeReach: Historical Reachability Queries on Evolving Graphs, in Proc. of the 18th International Conference on Extending Database Technology (EDBT), Brussels, Belgium, March 23 - 27, 2015.
K. Lazaridou, K. Semertzidis, E. Pitoura, and P. Tsaparas, Identifying Converging Pairs of Nodes on a Budget, in Proc. of the 18th International Conference on Extending Database Technology (EDBT), Brussels, Belgium, March 23 - 27, 2015. (Also presented at the 12th Hellenic Data Management Symposium (HDMS), 2014)
K. Semertzidis, E. Pitoura and P. Tsaparas, How people describe themselves on Twitter, in Proc. of the 3rd ACM SIGMOD Workshop on Databases and Social Networks (DBSocial), New York, June 23, 2013. (Best Paper Award)
K. Semertzidis, Storage, Processing and Analysis of Large Evolving Graphs, PhD Thesis, Dept. of Computer Science & Engineering, University of Ioannina, 2018.
K. Semertzidis, Mobile application development to enhance higher education lectures, MSc Thesis, Dept. of Computer Science, University of York, 2013.
K. Semertzidis, A study of how people describe themselves on Twitter, BSc Thesis, Dept. of Computer Science, University of Ioannina, 2012.
Citations of my work from Google Scholar and dblp pages.