Highlighting Timely Information in Libraries Through Social and Semantic Web Technologies. - Ioannis Papadakis; Konstantinos Kyprianos; Apostolos Karalis (MTSR, 2016)

Employing Twitter Hashtags and Linked Data to Suggest Trending Resources in a Digital Library. - Ioannis Papadakis; Konstantinos Kyprianos; Apostolos Karalis; Christos Douligeris (TPDL, 2017)

Collision-Free Broadcast Methods for IEEE 802.15.4-TSCH Networks Formation. - Apostolos Karalis; Dimitrios Zorbas; Christos Douligeris (MSWiM, 2018)

ATP: A Fast Joining Technique for IEEE802.15. 4-TSCH Networks. - Apostolos Karalis (WOWMOM, 2018)

Collision-Free Advertisement Scheduling for IEEE 802.15.4-TSCH Networks. - Apostolos Karalis; Dimitrios Zorbas; Christos Douligeris (Sensors, 2019)

Optimal Initial Synchronization Time in the Minimal 6TiSCH Configuration. - Apostolos Karalis; Dimitrios Zorbas; Christos Douligeris (IEEE Access, 2021)

Optimizing initial synchronization time in IEEE802.15.4-TSCH networks - Apostolos Karalis (2021)

Reducing the Synchronization Time in the Minimal 6TiSCH Configuration Under Channel Uncertainty. - Apostolos Karalis; Dimitrios Zorbas; Christos Douligeris (BlackSeaCom, 2023)

OptiShip: A Platform to Support Decisions During Ship's Life Cycle. - Gregory Koronakos; Yannis G. Smirlis; Stathis Plitsos; Ernestos Tzannatos; Apostolos Karalis; Kyriakos Poutos (IISA, 2023)