Athena Vakali

@csd.auth.gr

School of Informatics
Aristotle University of Thessaloniki

Athena Vakali

RESEARCH, TEACHING, or OTHER INTERESTS

Artificial Intelligence, Computer Science, Information Systems, Computer Science Applications
13068

Scholar Citations

47

Scholar h-index

141

Scholar i10-index

RECENT SCHOLAR PUBLICATIONS

  • Agoraspeech: a multi-annotated comprehensive dataset of political discourse through the lens of humans and AI
    P Sermpezis, S Karamanidis, E Paraschou, I Dimitriadis, S Yfantidou, ...
    Journal of Computational Social Science 9 (2), 36 , 2026
    2026
    Citations: 4
  • Towards hybrid intelligence in journalism: Findings and lessons learnt from a collaborative analysis of greek political rhetoric by ChatGPT and humans
    T Troboukis, K Kiki, A Galanopoulos, P Sermpezis, S Karamanidis, ...
    Computational Methods for the Digital Humanities, 123-139 , 2026
    2026
    Citations: 4
  • (Un) fair Devices: Moving Beyond AI Accuracy in Personal Sensing
    S Yfantidou, M Constantinides, D Spathis, A Vakali, D Quercia, F Kawsar
    ACM Journal on Responsible Computing 3 (2), 1-24 , 2026
    2026
  • TouaRAG-A context-aware multi-layer RAG framework for personalized and adaptive travel assistance
    MC Malamatinos, I Dimitriadis, A Vakali
    2026 IEEE 23rd Mediterranean Electrotechnical Conference (MELECON), 1-9 , 2026
    2026
  • Echoes of AI Harms: A Human-LLM Synergistic Framework for Bias-Driven Harm Anticipation
    N Tantalaki, S Vei, A Vakali
    arXiv preprint arXiv:2512.03068 , 2025
    2025
    Citations: 1
  • Poster: ChatIYP: Enabling Natural Language Access to the Internet Yellow Pages Database
    V Andritsoudis, P Sermpezis, I Dimitriadis, A Vakali
    Proceedings of the 2025 ACM Internet Measurement Conference, 1036-1037 , 2025
    2025
  • The challenges of diversity and equality data in academic and research organisations
    M Michali, A Ampatzoglou, E Karachaliou, K Malerou, S Karamanidis, ...
    Scientific Excellence and Equality at University, 110-126 , 2025
    2025
    Citations: 1
  • AI Harmonics: a human-centric and harms severity-adaptive AI risk assessment framework
    S Vei, P Giudici, P Sermpezis, A Vakali, AE Bernardelli
    arXiv preprint arXiv:2509.10104 , 2025
    2025
  • EVuLLM: ethereum smart contract vulnerability detection using large language models
    E Mandana, G Vlahavas, A Vakali
    Electronics 14 (16), 3226 , 2025
    2025
    Citations: 4
  • Uncovering the Hidden Biases in Personal Informatics
    S Yfantidou, P Sermpezis, A Vakali, R Baeza-Yates
    GetMobile: Mobile Computing and Communications 29 (2), 26-30 , 2025
    2025
  • Limits of ChatGPT's conversational pragmatics in a Turing test on ethics, commonsense, and cultural sensitivity
    AV Wolfgang Wagner, George Gaskell, Eva Paraschou, Siqi Lyu, Maria Michali
    Computers in Human Behavior: Artificial Humans 5 (100191) , 2025
    2025
  • Mind the XAI Gap: A Human-Centered LLM Framework for Democratizing Explainable AI
    AV Eva Paraschou, Ioannis Arapakis, Sofia Yfantidou, Sebastian Macaluso
    3rd World Conference on Explainable Artificial Intelligence , 2025
    2025
    Citations: 8
  • Negotiation strategies in ubiquitous human-computer interaction: a novel storyboards scale & field study
    S Yfantidou, G Yfantidou, P Balaska, A Vakali
    Multimedia Tools and Applications 84 (23), 27481-27515 , 2025
    2025
    Citations: 2
  • Ties of Trust: a bowtie model to uncover trustor-trustee relationships in LLMs
    E Paraschou, M Michali, S Yfantidou, S Karamanidis, SR Kalogeros, ...
    Proceedings of the 2025 ACM Conference on Fairness, Accountability, and … , 2025
    2025
    Citations: 6
  • FAIRTOPIA: Envisioning Multi-Agent Guardianship for Disrupting Unfair AI Pipelines
    A Vakali, I Dimitriadis
    arXiv preprint arXiv:2506.09107 , 2025
    2025
    Citations: 1
  • MnemonicMaker: A Serious Game for Reconstructing Bitcoin Wallet Mnemonic Phrases
    G Vlahavas, C Karakasis, A Vakali
    International Journal of Serious Games 12 (2), 53-75 , 2025
    2025
    Citations: 1
  • Limits to ChatGPT’s Pragmatics in the domains of Commonsense and Culture.
    W Wagner, G Gaskell, E Paraschou, S Lyum, M Michali, A Vakali
    Unpublished manuscript , 2025
    2025
    Citations: 2
  • Analyzing large-scale political discussions on twitter: The use case of the Greek wiretapping scandal (# ypoklopes)
    I Dimitriadis, DP Giakatos, S Karamanidis, P Sermpezis, K Kiki, A Vakali
    Journalism and Media 5 (3), 1348-1363 , 2024
    2024
    Citations: 4
  • Assessing Bias in Self-supervised and Supervised Models for Temporal Data
    M Liatsikou, S Yfantidou, A Vakali
    Proceedings of the 13th Hellenic Conference on Artificial Intelligence, 1-7 , 2024
    2024
    Citations: 1
  • Using self-supervised learning can improve model fairness
    S Yfantidou, D Spathis, M Constantinides, A Vakali, D Quercia, F Kawsar
    Proceedings of the 30th ACM SIGKDD Conference on Knowledge Discovery and … , 2024
    2024
    Citations: 9

MOST CITED SCHOLAR PUBLICATIONS

  • Cloud computing: Distributed internet computing for IT and scientific research
    MD Dikaiakos, D Katsaros, P Mehra, G Pallis, A Vakali
    IEEE Internet computing 13 (5), 10-13 , 2009
    2009
    Citations: 1313
  • Large scale crowdsourcing and characterization of twitter abusive behavior
    A Founta, C Djouvas, D Chatzakou, I Leontiadis, J Blackburn, G Stringhini, ...
    Proceedings of the international AAAI conference on web and social media 12 (1) , 2018
    2018
    Citations: 1021
  • Community detection in social media: Performance and application considerations
    S Papadopoulos, Y Kompatsiaris, A Vakali, P Spyridonos
    Data mining and knowledge discovery 24 (3), 515-554 , 2012
    2012
    Citations: 902
  • Insight and perspectives for content delivery networks
    G Pallis, A Vakali
    Communications of the ACM 49 (1), 101-106 , 2006
    2006
    Citations: 654
  • Content delivery networks: Status and trends
    A Vakali, G Pallis
    IEEE Internet Computing 7 (6), 68-74 , 2003
    2003
    Citations: 654
  • Mean birds: Detecting aggression and bullying on twitter
    D Chatzakou, N Kourtellis, J Blackburn, E De Cristofaro, G Stringhini, ...
    Proceedings of the 2017 ACM on web science conference, 13-22 , 2017
    2017
    Citations: 605
  • Sentiment analysis leveraging emotions and word embeddings
    M Giatsoglou, MG Vozalis, K Diamantaras, A Vakali, G Sarigiannidis, ...
    Expert Systems with Applications 69, 214-224 , 2017
    2017
    Citations: 523
  • Content delivery networks
    R Buyya, M Pathan, A Vakali
    Springer Science & Business Media , 2008
    2008
    Citations: 384
  • Urban planning and smart cities: Interrelations and reciprocities
    LG Anthopoulos, A Vakali
    The future internet assembly, 178-189 , 2012
    2012
    Citations: 350
  • A unified deep learning architecture for abuse detection
    AM Founta, D Chatzakou, N Kourtellis, J Blackburn, A Vakali, I Leontiadis
    Proceedings of the 10th ACM conference on web science, 105-114 , 2019
    2019
    Citations: 343
  • Behind the cues: A benchmarking study for fake news detection
    G Gravanis, A Vakali, K Diamantaras, P Karadais
    Expert Systems with Applications 128, 201-213 , 2019
    2019
    Citations: 309
  • Intrusion detection in RBAC-administered databases
    E Bertino, E Terzi, A Kamra, A Vakali
    21st Annual Computer Security Applications Conference (ACSAC'05), 10 pp.-182 , 2005
    2005
    Citations: 212
  • Cluster-based landmark and event detection for tagged photo collections
    S Papadopoulos, C Zigkolis, Y Kompatsiaris, A Vakali
    IEEE Multimedia 18 (1), 52-63 , 2011
    2011
    Citations: 193
  • Detecting cyberbullying and cyberaggression in social media
    D Chatzakou, I Leontiadis, J Blackburn, ED Cristofaro, G Stringhini, ...
    ACM Transactions on the Web (TWEB) 13 (3), 1-51 , 2019
    2019
    Citations: 186
  • A systematic review for smart city data analytics
    V Moustaka, A Vakali, LG Anthopoulos
    ACM Computing Surveys (cSuR) 51 (5), 1-41 , 2018
    2018
    Citations: 182
  • Measuring# GamerGate: A tale of hate, sexism, and bullying
    D Chatzakou, N Kourtellis, J Blackburn, E De Cristofaro, G Stringhini, ...
    Proceedings of the 26th international conference on world wide web companion … , 2017
    2017
    Citations: 148
  • A clustering-based prefetching scheme on a Web cache environment
    G Pallis, A Vakali, J Pokorny
    Computers & Electrical Engineering 34 (4), 309-323 , 2008
    2008
    Citations: 138
  • Content delivery networks: State of the art, insights, and imperatives
    M Pathan, R Buyya, A Vakali
    Content delivery networks, 3-32 , 2008
    2008
    Citations: 132
  • LDAP: framework, practices, and trends
    V Koutsonikola, A Vakali
    IEEE Internet Computing 8 (5), 66-72 , 2004
    2004
    Citations: 127
  • Hate is not binary: Studying abusive behavior of# gamergate on twitter
    D Chatzakou, N Kourtellis, J Blackburn, E De Cristofaro, G Stringhini, ...
    Proceedings of the 28th ACM conference on hypertext and social media, 65-74 , 2017
    2017
    Citations: 116