Performance evaluation of intelligent signaling servers for broadband multimedia networks. - George T. Kolyvas; Spyros E. Polykalas; Iakovos S. Venieris (ISCC, 1997)

Service Logic Mobility over Intelligent Broadband Networks. - Charalampos Z. Patrikakis; Spyros E. Polykalas; Iakovos S. Venieris (HPN, 1998)

Overload and congestion control for intelligent network based broadband call processing systems. - George T. Kolyvas; Spyros E. Polykalas; Iakovos S. Venieris (ICC, 1998)

Performance evaluation of integrated IN/B-ISDN signalling platforms. - George T. Kolyvas; Spyros E. Polykalas; Iakovos S. Venieris (Comput. Commun., 1998)

Optimizing the server utilization in intelligent broadband networks. - George T. Kolyvas; Spyros E. Polykalas; Iakovos S. Venieris (Int. J. Commun. Syst., 2000)

An adaptive congestion control mechanism for intelligent broadband networks. - Spyros E. Polykalas; George T. Kolyvas; Iakovos S. Venieris (Comput. Networks, 2001)

A General Purpose Model for Future Prediction Based on Web Search Data: Predicting Greek and Spanish Election. - Spyros E. Polykalas; George N. Prezerakos; Agisilaos Konidaris (AINA Workshops, 2013)

Evaluation of Spectrum Rights for Radio Broadcasting Operators. - Spyros E. Polykalas; Ulrich Stumpf (I3E, 2013)

An algorithm based on Google Trends' data for future prediction. Case study: German elections. - Spyros E. Polykalas; George N. Prezerakos; Agisilaos Konidaris (ISSPIT, 2013)

Predicting Human Behavior Based on Web Search Activity: Greek Referendum of 2015. - Spyros E. Polykalas; George N. Prezerakos (INNS Conference on Big Data, 2016)

Technologies and architectures for broadband Digital Divide elimination. - Spyros E. Polykalas; Kyriakos Vlachos; George Ellinas (ICT, 2017)

Mobile apps and data privacy: When the service is free, the product is your data. - Spyros E. Polykalas; George N. Prezerakos; Froso D. Chrysidou; Eleni D. Pylarinou (IISA, 2017)

Using Google data for assessing the relation between Covid-19 spread and social distancing. - Spyros E. Polykalas; Kyriakos Vlachos; George N. Prezerakos (GIIS, 2022)

Access to Personal Data is Still Tempting for Mobile Apps Even after the GDPR Implementation. - Gerasimos S. Magoulas; Spyros E. Polykalas (SEEDA-CECNSM, 2023)

Beyond Binary Opinions: A Multidimensional Approach for Quantifying Opinion Diversity in Communites. - Leonidas Boutsikaris; Spyros E. Polykalas (SNAMS, 2024)

From Disagreement to Discord: How Social Media Platforms Fuel Conflict Instead of Bridging Divides. - Leonidas Boutsikaris; Spyros E. Polykalas (IT Prof., 2025)

A Comparative Review of Deep Learning Techniques on the Classification of Irony and Sarcasm in Text. - Leonidas Boutsikaris; Spyros E. Polykalas (IEEE Trans. Artif. Intell., 2025)