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)
Giatsoglou, Maria, Manolis G. Vozalis, Konstantinos Diamantaras, Athena Vakali, George Sarigiannidis, and Konstantinos Ch. Chatzisavvas. "Sentiment analysis leveraging emotions and word embeddings." Expert Systems with Applications 69 (2017): 214-224.PDF icon PDF (798.98 KB)
2015
Chatzicharalampous, Evangelos, Christos Zigkolis, and Athena Vakali. "Exploriometer: Leveraging Personality Traits for Coverage and Diversity Aware Recommendations." In Proceedings of the 24th International Conference on World Wide Web Companion, WWW 2015, Florence, Italy, May 18-22, 2015 - Companion Volume., 2015.PDF icon PDF (817.99 KB)
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, 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, 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)
Web Information Systems Engineering - WISE 2014 Workshops - 15th International Workshops IWCSN 2014, Org2 2014, PCS 2014, and QUAT 2014, Thessaloniki, Greece, October 12-14, 2014, Revised Selected Papers In Lecture Notes in Computer Science, Edited by Boualem Benatallah, Azer Bestavros, Barbara Catania, Armin Haller, Yannis Manolopoulos, Athena Vakali and Yanchun Zhang. Vol. 9051. 9051. Springer, 2015.
2014
Arvanitidis, Alexandros, Anna Serafi, Athena Vakali, and Grigorios Tsoumakas. "Branty: A Social Media Ranking Tool for Brands." In ECML/PKDD (3), edited by Toon Calders, Floriana Esposito, Eyke Hullermeier and Rosa Meo, 432-435. Vol. 8726. Lecture Notes in Computer Science 8726. Springer, 2014.
Kakarontzas, George, Leonidas G. Anthopoulos, Despoina Chatzakou, and Athena Vakali. "A Conceptual Enterprise Architecture Framework for Smart Cities - A Survey Based Approach." In ICE-B, edited by Mohammad S. Obaidat, Andreas Holzinger, Marten van Sinderen and Peter Dolog, 47-54. SciTePress, 2014.PDF icon PDF (309.27 KB)
Polymerou, Evangelia, Despoina Chatzakou, and Athena Vakali. "EmoTube: A Sentiment Analysis Integrated Environment for Social Web Content." In WIMS, edited by Rajendra Akerkar, Nick Bassiliades, John Davies and Vadim Ermolayev, 20. ACM, 2014.PDF icon PDF (3.29 MB)
New Trends in Databases and Information Systems, 17th East European Conference on Advances in Databases and Information Systems In ADBIS (2), Edited by Barbara Catania, Tania Cerquitelli, Silvia Chiusano, Giovanna Guerrini, Mirko Kämpf, Alfons Kemper, Boris Novikov, Themis Palpanas, Jaroslav Pokorny and Athena Vakali. Vol. 241. Advances in Intelligent Systems and Computing 241. Genoa, Italy: Springer, 2014.
New Trends in Databases and Information Systems, 17th East European Conference on Advances in Databases and Information Systems In ADBIS (2), Edited by Barbara Catania, Tania Cerquitelli, Silvia Chiusano, Giovanna Guerrini, Mirko Kämpf, Alfons Kemper, Boris Novikov, Themis Palpanas, Jaroslav Pokorny and Athena Vakali. Vol. 241. Advances in Intelligent Systems and Computing 241. Genoa, Italy: Springer, 2014.
New Trends in Databases and Information Systems, 17th East European Conference on Advances in Databases and Information Systems In ADBIS (2), Edited by Barbara Catania, Tania Cerquitelli, Silvia Chiusano, Giovanna Guerrini, Mirko Kämpf, Alfons Kemper, Boris Novikov, Themis Palpanas, Jaroslav Pokorny and Athena Vakali. Vol. 241. Advances in Intelligent Systems and Computing 241. Genoa, Italy: Springer, 2014.

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