10/02/2025: I was awarded the Marie Skłodowska-Curie Actions (MSCA) postdoctoral/individual fellowship for my project OPALS: OPtimization ALgorithms for Split learning. The fellowship will be hosted at Telefónica and will start very soon! More details to come!

Conferences:

• R. Ganian, F. Mc Inerney, and D. Tsigkari. Parameterized Complexity of Caching in Networks. In Proc. of the 39th AAAI Conference on Artificial Intelligence (AAAI), 2025.

• J. Tirana, D. Tsigkari, G. Iosifidis, and D. Chatzopoulos. Workflow Optimization for Parallel Split Learning. In IEEE International Conference on Computer Communications (IEEE INFOCOM), 2024.

• D. Tsigkari, and T. Spyropoulos. Caching and Recommendation Decisions at Transcoding-Enabled Base Stations. In IEEE Global Communications Conference (IEEE GLOBECOM), 2022.

• D. Tsigkari, G. Iosifidis, and T. Spyropoulos. Split the cash from cache-friendly recommendations. In IEEE Global Communications Conference (IEEE GLOBECOM), 2021.

• D. Tsigkari and T. Spyropoulos. User-centric optimization of caching and recommendations in edge cache networks. In IEEE International Symposium on “A World of Wireless, Mobile and Multimedia Networks” (IEEE WoWMoM), 2020.

• G. Neglia, D. Carra, M. Feng, V. Janardhan, P. Michiardi, and D. Tsigkari. Access-time aware cache algorithms. In IEEE International Teletraffic Congress (IEEE ITC), 2016. 🏆Best paper award

• P. Philippides, C. Bratsas, E. Chondrokostas, D. Tsigkari, and A. Veglis. Creating and Using Sports Linked Data: Analytics and Applications. In International Conference on Semantics - Posters & Demos (SEMANTiCS), 2015.

Journals:

• J. Tirana, D. Tsigkari, G. Iosifidis, and D. Chatzopoulos. Minimization of the Training Makespan in Hybrid Federated Split Learning. IEEE Transactions on Mobile Computing (TMC), in press, 2025.

• D. Tsigkari, G. Iosifidis, and T. Spyropoulos. Quid pro Quo in Streaming Services: Algorithms for Cooperative Recommendations. IEEE Transactions on Mobile Computing (TMC), 23(2):1753-1768, 2024.

• D. Tsigkari and T. Spyropoulos. An Approximation Algorithm for Joint Caching and Recommendations in Cache Networks. IEEE Transactions on Network and Service Management (TNSM), 19(2):1826–1841, 2022.

• G. Neglia, D. Carra, M. Feng, V. Janardhan, P. Michiardi, and D. Tsigkari. Access-time aware cache algorithms. ACM Transactions on Modeling and Performance Evaluation of Computing Systems (TOMPECS), 2(4): 1-29, 2017.

• Telefonica’s Principal Investigator (PI) in the EU Horizon Europe project TaRDIS 

• Contributor in 6G-RIEMANN and MAP-6G projects

firstname.lastname[at]telefonica.com