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Dr. Despoina Chatzakou

Postdoctoral Research Associate

  • Degree in Computer Science, School of Informatics, AUTH (2010)
  • Postgraduate Program, Informatics and Management, Joint Postgraduate Course (Schools of Informatics and Economic Sciences), AUTH (2012)
  • Ph.D. Program, Computer Science, AUTH (2017)
Despoina Chatzakou holds a diploma in Informatics and an MSc in Informatics and Management from the Aristotle University of Thessaloniki. On November 2017, she successfully defended her Ph.D. thesis on the topic of “User Behavior Analysis on Social Web with Knowledge Discovery Techniques” at the Informatics department of Aristotle University. Her research activity mainly lies on: (i) web data mining, with particular interest in data streams and social network analysis, (ii) natural language processing and text mining, (iii) modeling methods for graph and network data, and (iv) behavior analysis (e.g., sentiment analysis, affective computing, discovery of abusive behaviors). Despoina Chatzakou joined the Information Technologies Institute (ITI) of the Center for Research and Technology, Hellas (CERTH) in September 2018 as a postdoctoral research fellow.

Recent Publications

Show all (11)

  • A. Bozas, S. Andreadis, D. Chatzakou, S. Symeonidis, O. Theodosiadou, P. Kyriakidis, A. Kokkalas, E. A. Stathopoulos, S. Diplaris, T. Tsikrika, I. Gialampoukidis, S. Vrochidis, I. Kompatsiaris, "From Research to Applications: What Can We Extract with Social Media Sensing?.", SN COMPUT. SCI. 5, 484 (2024). https://doi.org/10.1007/s42979-024-02712-9
  • A. Kasampalis, D. Chatzakou, T. Tsikrika, S. Vrochidis, I. Kompatsiaris, "Bias Detection and Mitigation in Textual Data: a Study on Fake News and Hate Speech Detection.", Advances in Information Retrieval: 46th European Conference on Information Retrieval, ECIR 2024, Glasgow, UK, Proceedings, Part III, Pages 374–383, March 24–28, 2024. https://doi.org/10.1007/978-3-031-56063-7_29
  • A. Konstantinou, D. Chatzakou, O. Theodosiadou, T. Tsikrika, S. Vrochidis, I. Kompatsiaris, "Trend Detection in Crime-related Time Series with Change Point Detection Methods.", In International Conference of the Cross-Language Evaluation Forum for European Languages, 18-21 September 2023, Thessaloniki, Greece. Arampatzis, A., et al. Experimental IR Meets Multilinguality, Multimodality, and Interaction. CLEF 2023. Lecture Notes in Computer Science, vol 14163. Springer. https://doi.org/10.1007/978-3-031-42448-9_7
  • N. Stylianou, D. Chatzakou, T. Tsikrika, S. Vrochidis, I. Kompatsiaris, "Domain-aligned Data Augmentation for Low-resource and Imbalanced Text Classification.", In Proceedings of the 45th European Conference on Information Retrieval (ECIR'23), Dublin, Ireland, April 02-06, 2023.
  • K. Pantelidou, D. Chatzakou, T. Tsikrika, S. Vrochidis, I. Kompatsiaris, "Selective Word Substitution for Contextualized Data Augmentation", . In Proc. of the 27th International Conference on Natural Language & Information Systems (NLDB), Valencia, Spain, 15-17 June 2022, pp.508-516.
Contact
Dr. Despoina Chatzakou
Building A - Office 2.4

Information Technologies Institute
Centre of Research & Technology - Hellas
6th km Harilaou - Thermis, 57001, Thermi - Thessaloniki
Tel.: +30 2311 257701-3
Fax: +30 2310 474128
Email: dchatzakou@iti.gr
Url: www.linkedin.com/in/despoinachatzakou

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