Towards a User-Aware Virtual Museum. - Christos Zigkolis; Vassiliki A. Koutsonikola; Despoina Chatzakou; Savvas Karagiannidis; Maria Giatsoglou; Andreas Kosmatopoulos; Athena Vakali (VS-GAMES, 2011)

Micro-blogging Content Analysis via Emotionally-Driven Clustering. - Despoina Chatzakou; Vassiliki A. Koutsonikola; Athena Vakali; Konstantinos Kafetsios (ACII, 2013)

Social Data Sentiment Analysis in Smart Environments - Extending Dual Polarities for Crowd Pulse Capturing. - Athena Vakali; Despoina Chatzakou; Vassiliki A. Koutsonikola; George Andreadis (DATA, 2013)

Requirements and architecture design principles for a smart city experiment with sensor and social networks integration. - Christos Samaras; Athena Vakali; Maria Giatsoglou; Despoina Chatzakou; Lefteris Angelis (Panhellenic Conference on Informatics, 2013)

Community Detection in Social Media by Leveraging Interactions and Intensities. - Maria Giatsoglou; Despoina Chatzakou; Athena Vakali (WISE (2), 2013)

A Conceptual Enterprise Architecture Framework for Smart Cities - A Survey Based Approach. - George Kakarontzas; Leonidas G. Anthopoulos; Despoina Chatzakou; Athena Vakali (ICE-B, 2014)

EmoTube: A Sentiment Analysis Integrated Environment for Social Web Content. - Evangelia Polymerou; Despoina Chatzakou; Athena Vakali (WIMS, 2014)

MultiSpot: Spotting Sentiments with Semantic Aware Multilevel Cascaded Analysis. - Despoina Chatzakou; Nikolaos Passalis; Athena Vakali (DaWaK, 2015)

ND-Sync: Detecting Synchronized Fraud Activities. - Maria Giatsoglou; Despoina Chatzakou; Neil Shah; Alex Beutel; Christos Faloutsos; Athena Vakali (PAKDD (2), 2015)

Retweeting Activity on Twitter: Signs of Deception. - Maria Giatsoglou; Despoina Chatzakou; Neil Shah; Christos Faloutsos; Athena Vakali (PAKDD (1), 2015)

Harvesting Opinions and Emotions from Social Media Textual Resources. - Despoina Chatzakou; Athena Vakali (IEEE Internet Comput., 2015)

User communities evolution in microblogs: A public awareness barometer for real world events. - Maria Giatsoglou; Despoina Chatzakou; Athena Vakali (World Wide Web, 2015)

Hate is not Binary: Studying Abusive Behavior of #GamerGate on Twitter. - Despoina Chatzakou; Nicolas Kourtellis; Jeremy Blackburn; Emiliano De Cristofaro; Gianluca Stringhini; Athena Vakali (HT, 2017)

Mean Birds: Detecting Aggression and Bullying on Twitter. - Despoina Chatzakou; Nicolas Kourtellis; Jeremy Blackburn; Emiliano De Cristofaro; Gianluca Stringhini; Athena Vakali (WebSci, 2017)

Detecting Aggressors and Bullies on Twitter. - Despoina Chatzakou; Nicolas Kourtellis; Jeremy Blackburn; Emiliano De Cristofaro; Gianluca Stringhini; Athena Vakali (WWW (Companion Volume), 2017)

Measuring #GamerGate: A Tale of Hate, Sexism, and Bullying. - Despoina Chatzakou; Nicolas Kourtellis; Jeremy Blackburn; Emiliano De Cristofaro; Gianluca Stringhini; Athena Vakali (WWW (Companion Volume), 2017)

Experience of emotion in face to face and computer-mediated social interactions: An event sampling study. - Konstantinos Kafetsios; Despoina Chatzakou; Nikolaos Tsigilis; Athena Vakali (Comput. Hum. Behav., 2017)

Detecting variation of emotions in online activities. - Despoina Chatzakou; Athena Vakali; Konstantinos Kafetsios (Expert Syst. Appl., 2017)

DynamiCITY: Revealing city dynamics from citizens social media broadcasts. - Vasiliki Gkatziaki; Maria Giatsoglou; Despoina Chatzakou; Athena Vakali (Inf. Syst., 2017)

User behavior analysis on social web with knowledge discovery techniques - Despoina Chatzakou (2017)

Large Scale Crowdsourcing and Characterization of Twitter Abusive Behavior. - Antigoni-Maria Founta; Constantinos Djouvas; Despoina Chatzakou; Ilias Leontiadis; Jeremy Blackburn; Gianluca Stringhini; Athena Vakali; Michael Sirivianos; Nicolas Kourtellis (ICWSM, 2018)

A Unified Deep Learning Architecture for Abuse Detection. - Antigoni-Maria Founta; Despoina Chatzakou; Nicolas Kourtellis; Jeremy Blackburn; Athena Vakali; Ilias Leontiadis (WebSci, 2019)

Detecting Cyberbullying and Cyberaggression in Social Media. - Despoina Chatzakou; Ilias Leontiadis; Jeremy Blackburn; Emiliano De Cristofaro; Gianluca Stringhini; Athena Vakali; Nicolas Kourtellis (ACM Trans. Web, 2019)

A Streaming Machine Learning Framework for Online Aggression Detection on Twitter. - Herodotos Herodotou; Despoina Chatzakou; Nicolas Kourtellis (IEEE BigData, 2020)

Invited keynote on IOT4SAFE 2020: Semantic Web Technologies in Fighting Crime and Terrorism: The CONNEXIONs Approach. - Alexandros Koufakis; Despoina Chatzakou; Georgios Meditskos; Theodora Tsikrika; Stefanos Vrochidis; Ioannis Kompatsiaris (IOT4SAFE@ESWC, 2020)

User Identity Linkage in Social Media Using Linguistic and Social Interaction Features. - Despoina Chatzakou; Juan Soler Company; Theodora Tsikrika; Leo Wanner; Stefanos Vrochidis; Ioannis Kompatsiaris (WebSci, 2020)

Angry Birds Flock Together: Aggression Propagation on Social Media. - Chrysoula Terizi; Despoina Chatzakou; Evaggelia Pitoura; Panayiotis Tsaparas; Nicolas Kourtellis (CoRR, 2020)

Random-Walk Graph Embeddings and the Influence of Edge Weighting Strategies in Community Detection Tasks. - Andreas Kosmatopoulos; Kostas Loumponias; Despoina Chatzakou; Theodora Tsikrika; Stefanos Vrochidis; Ioannis Kompatsiaris (OASIS@HT, 2021)

Catching them red-handed: Real-time Aggression Detection on Social Media. - Herodotos Herodotou; Despoina Chatzakou; Nicolas Kourtellis (ICDE, 2021)

Change Point Detection in Terrorism-Related Online Content Using Deep Learning Derived Indicators. - Ourania Theodosiadou; Kyriaki Pantelidou; Nikolaos Bastas; Despoina Chatzakou; Theodora Tsikrika; Stefanos Vrochidis; Ioannis Kompatsiaris (Inf., 2021)

Modeling aggression propagation on social media. - Chrysoula Terizi; Despoina Chatzakou; Evaggelia Pitoura; Panayiotis Tsaparas; Nicolas Kourtellis (Online Soc. Networks Media, 2021)

Leveraging Transformer Self Attention Encoder for Crisis Event Detection in Short Texts. - Pantelis Kyriakidis; Despoina Chatzakou; Theodora Tsikrika; Stefanos Vrochidis; Ioannis Kompatsiaris (ECIR (2), 2022)

Selective Word Substitution for Contextualized Data Augmentation. - Kyriaki Pantelidou; Despoina Chatzakou; Theodora Tsikrika; Stefanos Vrochidis; Ioannis Kompatsiaris (NLDB, 2022)

Trend Detection in Crime-Related Time Series with Change Point Detection Methods. - Apostolos Konstantinou; Despoina Chatzakou; Ourania Theodosiadou; Theodora Tsikrika; Stefanos Vrochidis; Ioannis Kompatsiaris (CLEF, 2023)

Domain-Aligned Data Augmentation for Low-Resource and Imbalanced Text Classification. - Nikolaos Stylianou; Despoina Chatzakou; Theodora Tsikrika; Stefanos Vrochidis; Ioannis Kompatsiaris (ECIR (2), 2023)

Bias Detection and Mitigation in Textual Data: A Study on Fake News and Hate Speech Detection. - Apostolos Kasampalis; Despoina Chatzakou; Theodora Tsikrika; Stefanos Vrochidis; Ioannis Kompatsiaris (ECIR (3), 2024)

Innovative Digital Forensic and Investigation Tools for Law Enforcement: The EMPOWER & TRACY Approach. - Nikos Avgerinos; Panagiotis Mertis; Manolis Tsagaris; Nikos Desipris; George L. Lyberopoulos; Elina Theodoropoulou; Konstantinos Filis; Jelena Sarajlic; Manuel Pastor; Despoina Chatzakou; George Kalpakis; Christos Chatzikonstantinou; et al. (AIAI (Workshops), 2024)

From Research to Applications: What Can We Extract with Social Media Sensing? - Aristeidis Bozas; Stelios Andreadis; Despoina Chatzakou; Spyridon Symeonidis; Ourania Theodosiadou; Pantelis Kyriakidis; Alexandros Kokkalas; Evangelos A. Stathopoulos; Sotiris Diplaris; Theodora Tsikrika; Ilias Gialampoukidis; Stefanos Vrochidis; et al. (SN Comput. Sci., 2024)

AI-Based Holistic Framework for Cyber Threat Intelligence Management. - Arnolnt Spyros; Ilias Koritsas; Angelos Papoutsis; Panos Panagiotou; Despoina Chatzakou; Dimitrios Kavallieros; Theodora Tsikrika; Stefanos Vrochidis; Ioannis Kompatsiaris (IEEE Access, 2025)