Georgios Kalamatianos

PhD Student

Uppsala University, Department of Information Technology

Division of Computing Science, Uppsala Database Laboratory

Email: georgios [dot] kalamatianos [at] it [dot] uu [dot] se

Visiting address:
Ångström 105237 Lägerhyddsvägen 1, hus 10
SE-752 37 Uppsala, Sweden

Postal address:
Box 337
751 05 UPPSALA

Short Bio

Graduated from the Department of Electrical and Comptuter Engineering of University of Thrace in 2016 with an integrated MSc and BSc in electrical and computer engineering. Worked on my diploma thesis which led to a publication in TOIS and first place in the contextual suggestion track of TREC 2016. Was accepted for a PhD student position in Data Management at the Department of Information Technology of Uppsala University in 2017 supervised by Georgios Fakas, PhD. Have been working with projects related to Keyword Search and Spatial Data and published in papers in SIGMOD and VLDBJ.


Teaching Assistant

Most notably served as a teaching assistant in multiple instances of the following courses. Duties included assignment correction, offering feedback to students, assignment and exam co-design.
Database Design 1
Database Design 2
Other courses:
Independent Project in Sociotechnical Systems Engineering
Language Abstractions for Concurrent and Parallel Programming


Thesis Supervision


Served as the supervisor of master student Georgios Panayiotou on his thesis project on the use of randomized algorithms for proportionality.


  • Python
  • Java
  • MySQL
  • Matlab
  • Latex
  • MS Office


PhD Student - Computer Science

Uppsala University, Department of Information Technology, Division of Computing Science, Uppsala, Sweden

2017-2022 (expected)

Integrated MSc & BSc in Electrical and Computer Engineering

Democritus University of Thrace, Department of Electrical and Computer Engineering, Xanthi, Greece


Notable Publications

Proportionality in Spatial Keyword Search

Kalamatianos, Georgios, Georgios J. Fakas, and Nikos Mamoulis. Proceedings of the ACM Conference on Management of Data (SIGMOD): 885–897
Video Slides PDF


Diversified Spatial Keyword Search on RDF Data

Cai, Zhi, Georgios Kalamatianos, Georgios J. Fakas, Nikos Mamoulis, and Dimitris Papadias. The VLDB Journal: 1-19.
Slides PDF


Suggesting points-of-interest via content-based, collaborative, and hybrind fusion methods for mobile devices

Arampatzis, Avi, and Georgios Kalamatianos. ACM Transactions on Information Systems (TOIS) 36.3 : 1-28.
Video Slides PDF


Georgios Kalamatianos —