Publications

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2017
Chatzakou, Despoina, Nicolas Kourtellis, Jeremy Blackburn, Emiliano De Cristofaro, Gianluca Stringhini, and Athena Vakali. Detecting Aggressors and Bullies on Twitter In Proceedings of the 26th International Conference on World Wide Web Companion. WWW '17 Companion. Perth, Australia: ACM, 2017.PDF icon PDF (166.61 KB)PDF icon Poster (876.34 KB)
Chatzakou, Despoina, Athena Vakali, and Konstantinos Kafetsios. "Detecting Variation of Emotions in Online Activities." Expert Systems with Applications 89 (2017): 318-332.PDF icon PDF (2.19 MB)
Gkatziaki, Vasiliki, Maria Giatsoglou, Despoina Chatzakou, and Athena Vakali. "DynamiCITY : Revealing city dynamics from citizens social media broadcasts." Information Systems (2017): -.PDF icon PDF (5.64 MB)
Kafetsios, Konstantinos, Despoina Chatzakou, Nikolaos Tsigilis, and Athena Vakali. "Experience of emotion in face to face and computer-mediated social interactions: An event sampling study." Computers in Human Behavior 76 (2017): 287-293.PDF icon PDF (280.63 KB)
Chatzakou, Despoina, Nicolas Kourtellis, Jeremy Blackburn, Emiliano De Cristofaro, Gianluca Stringhini, and Athena Vakali. Hate is not Binary: Studying Abusive Behavior of #GamerGate on Twitter. HT '17. Prague, Czech Republic: ACM, 2017.PDF icon PDF (1.21 MB)PDF icon Presentation (1.52 MB)
Chatzakou, Despoina, Nicolas Kourtellis, Jeremy Blackburn, Emiliano De Cristofaro, Gianluca Stringhini, and Athena Vakali. Mean Birds: Detecting Aggression and Bullying on Twitter. WebSci '17. Troy, NY, USA: ACM, 2017.PDF icon PDF (1.45 MB)Package icon Dataset (86.79 KB)PDF icon Presentation (2.61 MB)
Chatzakou, Despoina, Nicolas Kourtellis, Jeremy Blackburn, Emiliano De Cristofaro, Gianluca Stringhini, and Athena Vakali. Measuring #GamerGate: A Tale of Hate, Sexism, and Bullying In Proceedings of the 26th International Conference on World Wide Web Companion. WWW '17 Companion. Perth, Australia: ACM, 2017.PDF icon PDF (1.07 MB)PDF icon Presentation (1.04 MB)
2015
Chatzakou, Despoina, and Athena Vakali. "Harvesting Opinions and Emotions from Social Media Textual Resources." Internet Computing, IEEE 19 (2015): 46-50.PDF icon PDF (1.75 MB)
Chatzakou, Despoina, Nikolaos Passalis, and Athena Vakali. "MultiSpot: Spotting Sentiments with Semantic Aware Multilevel Cascaded Analysis." In Big Data Analytics and Knowledge Discovery, edited by Sanjay Kumar Madria and Takahiro Hara, 337-350. Vol. 9263. Lecture Notes in Computer Science 9263. Springer International Publishing, 2015.PDF icon PDF (359.27 KB)PDF icon Presentation (488.64 KB)
Giatsoglou, Maria, Despoina Chatzakou, Neil Shah, Alex Beutel, Christos Faloutsos, and Athena Vakali. "ND-SYNC: Detecting Synchronized Fraud Activities." In Advances in Knowledge Discovery and Data Mining, 19th Pacific-Asia Conference, PAKDD 2015, Ho Chi Minh City, Vietnam, May 19-22, 2015, Proceedings, Part II, 201–214., 2015.PDF icon PDF (4.36 MB)Package icon Dataset (1.96 MB)File Presentation (2.16 MB)
Giatsoglou, Maria, Despoina Chatzakou, Neil Shah, Christos Faloutsos, and Athena Vakali. "Retweeting Activity on Twitter: Signs of Deception." In PAKDD (1), edited by Tru Cao, Ee-Peng Lim, Zhi-Hua Zhou, Tu-Bao Ho, David Cheung and Hiroshi Motoda, 122-134. Vol. 9077. Lecture Notes in Computer Science 9077. Springer, 2015.PDF icon PDF (1.87 MB)Package icon Dataset+RTGEN code (116.02 MB)File Presentation (2.41 MB)
Giatsoglou, Maria, Despoina Chatzakou, and Athena Vakali. "User communities evolution in microblogs: A public awareness barometer for real world events." World Wide Web (2015): 1269-1299.PDF icon PDF (1.94 MB)
2013
Giatsoglou, Maria, Despoina Chatzakou, and Athena Vakali. "Community Detection in Social Media by Leveraging Interactions and Intensities." In WISE (2), edited by Xuemin Lin, Yannis Manolopoulos, Divesh Srivastava and Guangyan Huang, 57-72. Vol. 8181. Lecture Notes in Computer Science 8181. Springer, 2013.PDF icon PDF (442.9 KB)
Chatzakou, Despoina, Vassiliki A. Koutsonikola, Athena Vakali, and Konstantinos Kafetsios. "Micro-blogging Content Analysis via Emotionally-Driven Clustering." In Affective Computing and Intelligent Interaction (ACII), 2013 Humaine Association Conference on, 375-380., 2013.PDF icon PDF (375.24 KB)
Samaras, Christos, Athena Vakali, Maria Giatsoglou, Despoina Chatzakou, and Lefteris Angelis. "Requirements and architecture design principles for a smart city experiment with sensor and social networks integration." In Panhellenic Conference on Informatics, edited by Panayiotis H. Ketikidis, Konstantinos G. Margaritis, Ioannis P. Vlahavas, Alexander Chatzigeorgiou, George Eleftherakis and Ioannis Stamelos, 327-334. ACM, 2013.PDF icon PDF (226.39 KB)
Vakali, Athena, Despoina Chatzakou, Vassiliki A. Koutsonikola, and George Andreadis. "Social Data Sentiment Analysis in Smart Environments - Extending Dual Polarities for Crowd Pulse Capturing." In DATA, edited by Markus Helfert, Chiara Francalanci and Joaquim Filipe, 175-182. SciTePress, 2013.PDF icon PDF (371.31 KB)

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