Publications
Early Malicious Activity Discovery in Microblogs by Social Bridges Detection." Limassol, Cyprus: 16th International Symposium on Signal Processing and Information Technology, 2016. PDF (1.69 MB)
"DynamiCITY : Revealing city dynamics from citizens social media broadcasts." Information Systems (2017): -. PDF (5.64 MB)
"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 (1.87 MB) Dataset+RTGEN code (116.02 MB) Presentation (2.41 MB)
"Capturing Social Data Evolution Using Graph Clustering." IEEE Internet Computing 17 (2013): 74-79. PDF (996.48 KB)
"Dynamic Code Generation for Cultural Content Management." In Panhellenic Conference on Informatics, 21-24. IEEE Computer Society, 2010. PDF (187.93 KB)
"CityPulse: A platform prototype for smart city social data mining." Journal of the Knowledge Economy 7 (2016): 344-372. PDF (6.83 MB)
"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 (442.9 KB)
"Sentiment analysis leveraging emotions and word embeddings." Expert Systems with Applications 69 (2017): 214-224. PDF (798.98 KB)
"User communities evolution in microblogs: A public awareness barometer for real world events." World Wide Web (2015): 1269-1299. PDF (1.94 MB)
"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 (4.36 MB) Dataset (1.96 MB) Presentation (2.16 MB)
"Massive Graph Management for the Web and Web 2.0." In New Directions in Web Data Management 1, edited by Athena Vakali and Lakhmi C. Jain, 19-58. Vol. 331. Studies in Computational Intelligence 331., 2011. PDF (556.18 KB)
"In & out zooming on time-aware user/tag clusters." J. Intell. Inf. Syst. 38 (2012): 685-708.
"SEMSOC: SEMantic, SOcial and Content-Based Clustering in Multimedia Collaborative Tagging Systems." In ICSC, 128-135. IEEE Computer Society, 2008.
"Towards a Framework for Social Semiotic Mining." In WIMS, edited by Rajendra Akerkar, Nick Bassiliades, John Davies and Vadim Ermolayev, 21. ACM, 2014.
"Integrating Web 20 Data into Linked Open Data Cloud via Clustering." In CEUR Workshop Proceedings ISSN 1613-0073, edited by S'oren Auer, Stefan Decker and Manfred Hauswirth. Vol. 700., 2010.
"Exploring temporal aspects in user-tag co-clustering." In WIAMIS, 1-4. IEEE, 2010. C72.pdf (380.69 KB)
"Co-Clustering Tags and Social Data Sources." In WAIM, 317-324. IEEE, 2008. C59.pdf (412.23 KB)
"Summarization Meets Visualization on Online Social Networks." In Web Intelligence, edited by Olivier Boissier, Boualem Benatallah, Mike P. Papazoglou, Zbigniew W. Ras and Mohand-Said Hacid, 475-478. IEEE Computer Society, 2011. C85.pdf (225.88 KB)
"Large Scale Crowdsourcing and Characterization of Twitter Abusive Behavior. ICWSM-18. Stanford, California: AAAI, 2018. PDF (719.34 KB)
Next generation content networks: trends and challenges." In UPGRADE-CN, edited by Giancarlo Fortino, Carlo Mastroianni, Al-Mukaddim Khan Pathan and Athena Vakali, 49. ACM, 2009.
"Proceedings of the 4th Workshop on the Use of P2P, GRID and Agents for the Development of Content Networks, UPGRADE-CN’09, jointly held with the 18th International Symposium on High-Performance Distributed Computing (HPDC-18 2009), 10 June 2009, Ga In UPGRADE-CN, Edited by Giancarlo Fortino, Carlo Mastroianni, Al-Mukaddim Khan Pathan and Athena Vakali. ACM, 2009.
Cloud Computing: Distributed Internet Computing for IT and Scientific Research." IEEE Internet Computing 13 (2009): 10-13. J39.pdf (337.84 KB)
"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 (817.99 KB)
"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 (1.07 MB) Presentation (1.04 MB)
Hate is not Binary: Studying Abusive Behavior of #GamerGate on Twitter. HT '17. Prague, Czech Republic: ACM, 2017. PDF (1.21 MB) Presentation (1.52 MB)