Publications

Under submission

• Ilias Dimitriadis, Dimitrios P. Giakatos, Stelios Karamanidis, Pavlos Sermpezis, Kelly Kiki, Athena Vakali, "Analyzing large scale political discussions on Twitter: the use case of the Greek wiretapping scandal (# ypoklopes)", arxiv, 2023

Journals

1. Mateus S. Nogueira, João Ismael Pinheiro, Felipe Assis, Daniel S. Menasché, Pavlos Sermpezis, Thrasyvoulos Spyropoulos, "When Should Recommenders Account for Low QoS?", IEEE Access, Nov 2023

2. Sofia Yfantidou, Pavlos Sermpezis, Athena Vakali, R Baeza-Yates, "Uncovering Bias in Personal Informatics", ACM IMWUT / UbiComp 2023

3. Sofia Yfantidou, Pavlos Sermpezis, Athena Vakali, "14 Years of Self-Tracking Technology for mHealth-Literature Review: Lessons Learnt and the PAST SELF Framework", ACM Transactions on Computing for Healthcare, 2023

4. Dimitra Karanatsiou, Pavlos Sermpezis, Jon Gruda, Konstantinos Kafetsios, Ilias Dimitriadis, Athena Vakali, "My tweets bring all the traits to the yard: Predicting personality and relational traits in Online Social Networks", ACM Transactions on the Web (TWEB), Volume 16, Issue 2, May 2022.

5. Theodoros Giannakas, Pavlos Sermpezis, Thrasyvoulos Spyropoulos, "Network Friendly Recommendations: Optimizing for Long Viewing Sessions", in IEEE Transactions on Mobile Computing (TMC), early access, Sept. 2021.

6. Savvas Kastanakis, Pavlos Sermpezis, Vasileios Kotronis, Daniel Menasché, Thrasyvoulos Spyropoulos, "Network-aware Recommendations in the Wild: Methodology, Realistic Evaluations, Experiments", in IEEE Transactions on Mobile Computing (TMC), December 2020.

7. Vasileios Giotsas, George Nomikos, Vasileios Kotronis, Pavlos Sermpezis, Petros Gigis, Lefteris Manassakis, Christoph Dietzel, Stavros Konstantaras, Xenofontas Dimitropoulos, "O Peer, Where Art Thou? Uncovering Remote Peering Interconnections at IXPs", in ACM/IEEE Transactions on Networking (ToN), October 2020.

8. Pavlos Sermpezis and Vasileios Kotronis , "Inferring Catchment in Internet Routing", Proceedings of the ACM on the Measurement and Analysis of Computing Systems (POMACS), Vol. 3, No. 2, Article 30, June 2019.

9. Pavlos Sermpezis, Vasileios Kotronis, Petros Gigis, Xenofontas Dimitropoulos, Danilo Cicalese, Alistair King, and Alberto Dainotti, "ARTEMIS: Neutralizing BGP Hijacking within a Minute", in ACM/IEEE Transactions on Networking (ToN), vol. 26, no. 6, pp. 2471-2486, December 2018. 

10. Pavlos Sermpezis, Theodoros Giannakas, Thrasyvoulos Spyropoulos, Luigi Vigneri "Soft Cache Hits: Improving Performance through Recommendation and Delivery of Related Content", in IEEE Journal on Selected Areas in Communications (JSAC), vol.36, no.6, pp. 1300-1313, June 2018.  

11. Pavlos Sermpezis, Vasileios Kotronis, Alberto Dainotti, Xenofontas Dimitropoulos, "A survey among Network Operators on BGP Prefix Hijacking", in ACM SIGCOMM Computer Communications Review (CCR), vol. 48, no. 1, January 2018.

12. Pavlos Sermpezis,  Thrasyvoulos Spyropoulos, "Delay Analysis of Epidemic Schemes in Sparse and Dense Heterogeneous Contact Networks",  IEEE Transactions on Mobile Computing (TMC), vol.16, no.9, pp.2464-2477, September 2017.

13. Pavlos Sermpezis, Thrasyvoulos Spyropoulos, "Effects of content popularity in the performance of content-centric opportunistic networking: An analytical approach and applications", ACM/IEEE Transactions on Networking (ToN), vol.24, no.6, pp.3354-3368, December 2016.

14. Pavlos Sermpezis, Thrasyvoulos Spyropoulos, "Modelling and analysis of communication traffic heterogeneity in opportunistic networks", IEEE Transactions on Mobile Computing (TMC), vol.14, no.11, pp. 2316-2331, November 2015.

15. Pavlos Sermpezis, Thrasyvoulos Spyropoulos, "Understanding the effects of social selfishness on the performance of heterogeneous opportunistic networks", Computer Communications, Elsevier, Volume 48, pp. 71-83, April 2014.

16. Pavlos Sermpezis, Georgios Koltsidas, Fotini-Niovi Pavlidou, "Investigating a junction-based multipath source routing algorithm for VANETs", IEEE Communication Letters, Volume 17, N°3, March 2013.

Conferences

1. Pavlos Sermpezis, Lars Prehn, Sofia Kostoglou, Marcel Flores, Athena Vakali, Emile Aben, "Bias in Internet Measurement Platforms",  IEEE/IFIP Network Traffic Measurement and Analysis Conference (TMA), 2023

2. Dimitrios Panteleimon Giakatos, Pavlos Sermpezis, Athena Vakali, "PyPoll: A python library automating mining of networks, discussions and polarization on Twitter", ACM Web Conference (WWW) - demo paper, 2023

3. Dimitrios P. Giakatos, Sofia Kostoglou, Pavlos Sermpezis, Athena Vakali, "Benchmarking Graph Neural Networks for Internet Routing Data", in ACM CoNEXT (GNNet workshop), December 2022.

4. Marinos Poiitis, Pavlos Sermpezis, Athena Vakali, "Pointspectrum: Equivariance Meets Laplacian Filtering for Graph Representation Learning", in IEEE/WIC/ACM International Conference on Web Intelligence and Intelligent Agent Technology (WI-IAT), November 2022.

5. Mateus Nogueira, Daniel Menasché, Thrasyvoulos Spyropoulos, Pavlos Sermpezis, Carlos Bravo, "Can Recommenders Compensate for Low QoS?", in IEEE GLOBECOM, November 2022.

6. Sofia Yfantidou, Pavlos Sermpezis, Athena Vakali,  "12 Years of Self-tracking for Promoting Physical Activity from a User Diversity Perspective: Taking Stock & Thinking Ahead", in ACM FairUMAP workshop (ACM UMAP conference) July 2022.

7. Pavlos Sermpezis, Vasileios Kotronis, Konstantinos Arakadakis, Athena Vakali,  "Estimating the Impact of BGP Prefix Hijacking", in IEEE/IFIP Networking conference, June 2021. [slides, YouTube]

8. Theodoros Giannakas, Pavlos Sermpezis, Anastasios Giovanidis, Thrasyvoulos Spyropoulos, George Arvanitakis,  "Fairness in Network-Friendly Recommendations", in IEEE WoWMoM, June 2021. [teaser video]

9. Pavlos Sermpezis, Savvas Kastanakis, João Ismael Pinheiro, Felipe Assis, Daniel Menasché, Thrasyvoulos Spyropoulos, , "Towards QoS-Aware Recommendations", in ACM RecSys workshops (CARS workshop), 2020. [workshop link]

10. Marina Costantini, Thrasyvoulos Spyropoulos, Theodoros Giannakas, Pavlos Sermpezis,  "Approximation Guarantees for the Joint Optimization of Caching and Recommendation", in IEEE ICC, June 2020.

11. Emmanouil Lakiotakis, Pavlos Sermpezis, Xenofontas Dimitropoulos,  "Joint Optimization of UAV Placement and Caching under Battery Constraints in UAV-aided Small-Cell Networks", in ACM MAGESys (SIGCOMM workshops), August 2019.

12. Pavlos Sermpezis and Vasileios Kotronis, , "Inferring Catchment in Internet Routing", in ACM SIGMETRICS, June 2019.

13. Theodoros Giannakas, Thrasyvoulos Spyropoulos, Pavlos Sermpezis,  "The Order of Things: Position-Aware Network-friendly Recommendations in Long Viewing Sessions", in IEEE/IFIP WiOpt, June 2019.  

14. George Nomikos, Vasileios Kotronis, Pavlos Sermpezis, Petros Gigis, Lefteris Manassakis, Christoph Dietzel, Stavros Konstantaras, Xenofontas Dimitropoulos,  Vasileios Giotsas, "O Peer, Where Art Thou? Uncovering Remote Peering Interconnections at IXPs", in ACM Internet Measurements Conference (IMC), October 2018.

15. Savvas Kastanakis, Pavlos Sermpezis, Vasileios Kotronis, Xenofontas Dimitropoulos,  " CABaRet: Leveraging Recommendation Systems for Mobile Edge Caching", in ACM MECOMM (SIGCOMM workshops), August 2018. [presentation]

16. Theodoros Giannakas, Pavlos Sermpezis, Thrasyvoulos Spyropoulos,  "Show me the Cache: Optimizing Cache-Friendly Recommendations for Sequential Content Access", in IEEE WoWMoM, June 2018. 

17. Pavlos Sermpezis, Thrasyvoulos Spyropoulos, Luigi Vigneri, Theodoros Giannakas "Femto-Caching with Soft Cache Hits: Improving Performance with Related Content Recommendation", in IEEE GLOBECOM, December 2017.  [extended version - arXiv:1702.04943]

18. Pavlos Sermpezis, Xenofontas Dimitropoulos, " Can SDN Accelerate BGP Convergence? A Performance Analysis of Inter-domain Routing Centralization", in IEEE/IFIP Networking conference, June 2017.

19. Pavlos Sermpezis, George Nomikos, Xenofontas Dimitropoulos, "Re-mapping the Internet: Bring the IXPs into Play", in IEEE INFOCOM workshops (NetSciCom workshop), April 2017.

20. Pavlos Sermpezis, Thrasyvoulos Spyropoulos, "Offloading on the Edge: Performance and Cost Analysis of Local Data Storage and Offloading in HetNets", in IEEE/IFIP WONS, February 2017 [extended version - arXiv:1503.00648] (March 2015)

21. Thrasyvoulos Spyropoulos, Pavlos Sermpezis, "Soft Cache Hits and the Impact of Alternative Content Recommendations on Mobile Edge Caching", in ACM Mobicom (CHANTS workshop), October 2016.

22. Gavriil Chaviaras, Petros Gigis Pavlos Sermpezis, Xenofontas Dimitropoulos, “ARTEMIS: Real-Time Detection and Automatic Mitigation for BGP Prefix Hijacking (demo),” in ACM SIGCOMM (demo), August 2016. [poster]

23. Pavlos Sermpezis, Xenofontas Dimitropoulos, “Inter-domain SDN: Analysing the Effects of Routing Centralization on BGP Convergence Time,” in ACM Sigmetrics (MAMA workshop), June 2016.

24. Pavlos Sermpezis, Thrasyvoulos Spyropoulos, "Inferring Content-Centric Traffic for Opportunistic Networking from Geo-location Social Networks", in IEEE WoWMoM (AOC workshop), June 2015.

25. Pavlos Sermpezis, Thrasyvoulos Spyropoulos, "Not all content is created equal: Effect of popularity and availability for content-centric opportunistic networking", in ACM MobiHoc conference, August 2014. [presentation]

26. Pavlos Sermpezis, Thrasyvoulos Spyropoulos, "Information diffusion in heterogeneous networks: The configuration model approach",  in IEEE INFOCOM (NetSciCom workshop), April 2013. [presentation]

Other

• • Pavlos Sermpezis, "Performance Analysis of Mobile Social Networks with Realistic Mobility and Traffic Patterns", PhD Thesis, Eurecom, February 2015.  [thesis]

  • Pavlos Sermpezis, "Design of a Multipath Routing Protocol for VANETs",  (in Greek), Diploma Thesis, Aristotle University of Thessaloniki, Faculty of Engineering, Dept. Electrical and Computer Engineering, Thessaloniki, Greece, January 2011.