Despoina Chatzakou

Publication Activity (10 Years)

Years Active: 2011-2024
Publications (10 Years): 38

Top Topics

Semantic Web Technologies

Top Venues

WWW (Companion Volume)

Publications

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, Ioannis Kompatsiaris
From Research to Applications: What Can We Extract with Social Media Sensing? SN Comput. Sci. 5 (5) (2024)
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, Dorothea Tsatsou, Stefanos Demertzis, Peter Leskovský, Carlos Mendes, Shona Linehan, John Mulcahy, Ioannis Karvelas, Manuel Álvarez Fernández, André Alegria
Innovative Digital Forensic and Investigation Tools for Law Enforcement: The EMPOWER & TRACY Approach. AIAI Workshops (2024)
Apostolos Kasampalis, Despoina Chatzakou, Theodora Tsikrika, Stefanos Vrochidis, Ioannis Kompatsiaris
Bias Detection and Mitigation in Textual Data: A Study on Fake News and Hate Speech Detection. ECIR (3) (2024)
Nikolaos Stylianou, Despoina Chatzakou, Theodora Tsikrika, Stefanos Vrochidis, Ioannis Kompatsiaris
Domain-Aligned Data Augmentation for Low-Resource and Imbalanced Text Classification. ECIR (2) (2023)
Apostolos Konstantinou, Despoina Chatzakou, Ourania Theodosiadou, Theodora Tsikrika, Stefanos Vrochidis, Ioannis Kompatsiaris
Trend Detection in Crime-Related Time Series with Change Point Detection Methods. CLEF (2023)
Despoina Chatzakou, Juan Soler Company, Theodora Tsikrika, Leo Wanner, Stefanos Vrochidis, Ioannis Kompatsiaris
User Identity Linkage in Social Media Using Linguistic and Social Interaction Features. CoRR (2023)
Kyriaki Pantelidou, Despoina Chatzakou, Theodora Tsikrika, Stefanos Vrochidis, Ioannis Kompatsiaris
Selective Word Substitution for Contextualized Data Augmentation. NLDB (2022)
Pantelis Kyriakidis, Despoina Chatzakou, Theodora Tsikrika, Stefanos Vrochidis, Ioannis Kompatsiaris
Leveraging Transformer Self Attention Encoder for Crisis Event Detection in Short Texts. ECIR (2) (2022)
Andreas Kosmatopoulos, Kostas Loumponias, Despoina Chatzakou, Theodora Tsikrika, Stefanos Vrochidis, Ioannis Kompatsiaris
Random-Walk Graph Embeddings and the Influence of Edge Weighting Strategies in Community Detection Tasks. OASIS@HT (2021)
Herodotos Herodotou, Despoina Chatzakou, Nicolas Kourtellis
Catching them red-handed: Real-time Aggression Detection on Social Media. ICDE (2021)
Ourania Theodosiadou, Kyriaki Pantelidou, Nikolaos Bastas, Despoina Chatzakou, Theodora Tsikrika, Stefanos Vrochidis, Ioannis Kompatsiaris
Change Point Detection in Terrorism-Related Online Content Using Deep Learning Derived Indicators. Inf. 12 (7) (2021)
Chrysoula Terizi, Despoina Chatzakou, Evaggelia Pitoura, Panayiotis Tsaparas, Nicolas Kourtellis
Modeling aggression propagation on social media. Online Soc. Networks Media 24 (2021)
Herodotos Herodotou, Despoina Chatzakou, Nicolas Kourtellis
Catching them red-handed: Real-time Aggression Detection on Social Media. CoRR (2020)
Chrysoula Terizi, Despoina Chatzakou, Evaggelia Pitoura, Panayiotis Tsaparas, Nicolas Kourtellis
Angry Birds Flock Together: Aggression Propagation on Social Media. CoRR (2020)
Alexandros Koufakis, Despoina Chatzakou, Georgios Meditskos, Theodora Tsikrika, Stefanos Vrochidis, Ioannis Kompatsiaris
Invited keynote on IOT4SAFE 2020: Semantic Web Technologies in Fighting Crime and Terrorism: The CONNEXIONs Approach. IOT4SAFE@ESWC (2020)
Herodotos Herodotou, Despoina Chatzakou, Nicolas Kourtellis
A Streaming Machine Learning Framework for Online Aggression Detection on Twitter. IEEE BigData (2020)
Despoina Chatzakou, Juan Soler Company, Theodora Tsikrika, Leo Wanner, Stefanos Vrochidis, Ioannis Kompatsiaris
User Identity Linkage in Social Media Using Linguistic and Social Interaction Features. WebSci (2020)
Despoina Chatzakou, Ilias Leontiadis, Jeremy Blackburn, Emiliano De Cristofaro, Gianluca Stringhini, Athena Vakali, Nicolas Kourtellis
Detecting Cyberbullying and Cyberaggression in Social Media. CoRR (2019)
Despoina Chatzakou, Ilias Leontiadis, Jeremy Blackburn, Emiliano De Cristofaro, Gianluca Stringhini, Athena Vakali, Nicolas Kourtellis
Detecting Cyberbullying and Cyberaggression in Social Media. ACM Trans. Web 13 (3) (2019)
Antigoni-Maria Founta, Despoina Chatzakou, Nicolas Kourtellis, Jeremy Blackburn, Athena Vakali, Ilias Leontiadis
A Unified Deep Learning Architecture for Abuse Detection. WebSci (2019)
Antigoni-Maria Founta, Despoina Chatzakou, Nicolas Kourtellis, Jeremy Blackburn, Athena Vakali, Ilias Leontiadis
A Unified Deep Learning Architecture for Abuse Detection. CoRR (2018)
Antigoni-Maria Founta, Constantinos Djouvas, Despoina Chatzakou, Ilias Leontiadis, Jeremy Blackburn, Gianluca Stringhini, Athena Vakali, Michael Sirivianos, Nicolas Kourtellis
Large Scale Crowdsourcing and Characterization of Twitter Abusive Behavior. ICWSM (2018)
Antigoni-Maria Founta, Constantinos Djouvas, Despoina Chatzakou, Ilias Leontiadis, Jeremy Blackburn, Gianluca Stringhini, Athena Vakali, Michael Sirivianos, Nicolas Kourtellis
Large Scale Crowdsourcing and Characterization of Twitter Abusive Behavior. CoRR (2018)
Despoina Chatzakou, Nicolas Kourtellis, Jeremy Blackburn, Emiliano De Cristofaro, Gianluca Stringhini, Athena Vakali
Mean Birds: Detecting Aggression and Bullying on Twitter. WebSci (2017)
Despoina Chatzakou, Nicolas Kourtellis, Jeremy Blackburn, Emiliano De Cristofaro, Gianluca Stringhini, Athena Vakali
Measuring #GamerGate: A Tale of Hate, Sexism, and Bullying. CoRR (2017)
Vasiliki Gkatziaki, Maria Giatsoglou, Despoina Chatzakou, Athena Vakali
DynamiCITY: Revealing city dynamics from citizens social media broadcasts. Inf. Syst. 71 (2017)
Despoina Chatzakou, Nicolas Kourtellis, Jeremy Blackburn, Emiliano De Cristofaro, Gianluca Stringhini, Athena Vakali
Hate is not Binary: Studying Abusive Behavior of #GamerGate on Twitter. HT (2017)
Despoina Chatzakou, Nicolas Kourtellis, Jeremy Blackburn, Emiliano De Cristofaro, Gianluca Stringhini, Athena Vakali
Detecting Aggressors and Bullies on Twitter. WWW (Companion Volume) (2017)
Konstantinos Kafetsios, Despoina Chatzakou, Nikolaos Tsigilis, Athena Vakali
Experience of emotion in face to face and computer-mediated social interactions: An event sampling study. Comput. Hum. Behav. 76 (2017)
Despoina Chatzakou, Nicolas Kourtellis, Jeremy Blackburn, Emiliano De Cristofaro, Gianluca Stringhini, Athena Vakali
Mean Birds: Detecting Aggression and Bullying on Twitter. CoRR (2017)
Despoina Chatzakou, Nicolas Kourtellis, Jeremy Blackburn, Emiliano De Cristofaro, Gianluca Stringhini, Athena Vakali
Measuring #GamerGate: A Tale of Hate, Sexism, and Bullying. WWW (Companion Volume) (2017)
Despoina Chatzakou, Nicolas Kourtellis, Jeremy Blackburn, Emiliano De Cristofaro, Gianluca Stringhini, Athena Vakali
Hate is not Binary: Studying Abusive Behavior of #GamerGate on Twitter. CoRR (2017)
Despoina Chatzakou, Athena Vakali, Konstantinos Kafetsios
Detecting variation of emotions in online activities. Expert Syst. Appl. 89 (2017)
Despoina Chatzakou, Nikolaos Passalis, Athena Vakali
MultiSpot: Spotting Sentiments with Semantic Aware Multilevel Cascaded Analysis. DaWaK (2015)
Maria Giatsoglou, Despoina Chatzakou, Neil Shah, Alex Beutel, Christos Faloutsos, Athena Vakali
ND-Sync: Detecting Synchronized Fraud Activities. PAKDD (2) (2015)
Maria Giatsoglou, Despoina Chatzakou, Athena Vakali
User communities evolution in microblogs: A public awareness barometer for real world events. World Wide Web 18 (5) (2015)
Despoina Chatzakou, Athena Vakali
Harvesting Opinions and Emotions from Social Media Textual Resources. IEEE Internet Comput. 19 (4) (2015)
Maria Giatsoglou, Despoina Chatzakou, Neil Shah, Christos Faloutsos, Athena Vakali
Retweeting Activity on Twitter: Signs of Deception. PAKDD (1) (2015)
George Kakarontzas, Leonidas G. Anthopoulos, Despoina Chatzakou, Athena Vakali
A Conceptual Enterprise Architecture Framework for Smart Cities - A Survey Based Approach. ICE-B (2014)
Evangelia Polymerou, Despoina Chatzakou, Athena Vakali
EmoTube: A Sentiment Analysis Integrated Environment for Social Web Content. WIMS (2014)
Athena Vakali, Despoina Chatzakou, Vassiliki A. Koutsonikola, George Andreadis
Social Data Sentiment Analysis in Smart Environments - Extending Dual Polarities for Crowd Pulse Capturing. DATA (2013)
Christos Samaras, Athena Vakali, Maria Giatsoglou, Despoina Chatzakou, Lefteris Angelis
Requirements and architecture design principles for a smart city experiment with sensor and social networks integration. Panhellenic Conference on Informatics (2013)
Despoina Chatzakou, Vassiliki A. Koutsonikola, Athena Vakali, Konstantinos Kafetsios
Micro-blogging Content Analysis via Emotionally-Driven Clustering. ACII (2013)
Maria Giatsoglou, Despoina Chatzakou, Athena Vakali
Community Detection in Social Media by Leveraging Interactions and Intensities. WISE (2) (2013)
Christos Zigkolis, Vassiliki A. Koutsonikola, Despoina Chatzakou, Savvas Karagiannidis, Maria Giatsoglou, Andreas Kosmatopoulos, Athena Vakali
Towards a User-Aware Virtual Museum. VS-GAMES (2011)