Publications
] "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)
PDF (4.36 MB) Dataset (1.96 MB) Presentation (2.16 MB)New Trends in Database and Information Systems II - Selected papers of the 18th East European Conference on Advances in Databases and Information Systems and Associated Satellite Events, ADBIS 2014 Ohrid, Macedonia, September 7-10, 2014 Proceedings II In Advances in Intelligent Systems and Computing, Edited by Nick Bassiliades, Mirjana Ivanovic, Margita Kon-Popovska, Yannis Manolopoulos, Themis Palpanas, Goce Trajcevski and Athena Vakali. Vol. 312. 312. Springer, 2015.
"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)
PDF (1.87 MB) Dataset+RTGEN code (116.02 MB) Presentation (2.41 MB) "User communities evolution in microblogs: A public awareness barometer for real world events." World Wide Web (2015): 1269-1299. PDF (1.94 MB)
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.
"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.
"Collaborative event annotation in tagged photo collections." Multimedia Tools Appl. 70 (2014): 89-118.
"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 (309.27 KB)
PDF (309.27 KB) "Contextual object category recognition for RGB-D scene labeling." Robotics and Autonomous Systems 62 (2014): 241-256.
"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 (3.29 MB)
PDF (3.29 MB) "Foreword to 3M4City Workshop." In WIMS, edited by Rajendra Akerkar, Nick Bassiliades, John Davies and Vadim Ermolayev, 55. ACM, 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.
"Smart Cities Data Streams Integration: experimenting with Internet of Things and social data flows." In WIMS, edited by Rajendra Akerkar, Nick Bassiliades, John Davies and Vadim Ermolayev, 60. ACM, 2014.
"Towards a Framework for Social Semiotic Mining." In WIMS, edited by Rajendra Akerkar, Nick Bassiliades, John Davies and Vadim Ermolayev, 21. ACM, 2014.
Transactions on Large-Scale Data- and Knowledge-Centered Systems In T. Large-Scale Data- and Knowledge-Centered Systems, Edited by Abdelkader Hameurlain, Josef Küng, Roland Wagner, Barbara Catania, Giovanna Guerrini, Themis Palpanas, Jaroslav Pokorny and Athena Vakali. Vol. 8920. Lecture Notes in Computer Science 8920. Springer, 2014.
Web Information Systems Engineering - WISE 2014 - 15th International Conference, Thessaloniki, Greece, October 12-14, 2014, Proceedings, Part II In WISE (2), Edited by Boualem Benatallah, Azer Bestavros, Yannis Manolopoulos, Athena Vakali and Yanchun Zhang. Vol. 8787. Lecture Notes in Computer Science 8787. Springer, 2014.
Web Information Systems Engineering - WISE 2014 - 15th International Conference, Thessaloniki, Greece, October 12-14, 2014, Proceedings, Part I In WISE (1), Edited by Boualem Benatallah, Azer Bestavros, Yannis Manolopoulos, Athena Vakali and Yanchun Zhang. Vol. 8786. Lecture Notes in Computer Science 8786. Springer, 2014.
"Capturing Social Data Evolution Using Graph Clustering." IEEE Internet Computing 17 (2013): 74-79. PDF (996.48 KB)
PDF (996.48 KB) "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)
PDF (442.9 KB) "Compact and Distinctive Visual Vocabularies for Efficient Multimedia Data Indexing." In ADBIS, edited by Barbara Catania, Giovanna Guerrini and Jaroslav Pokorny, 98-111. Vol. 8133. Lecture Notes in Computer Science 8133. Springer, 2013. C92.pdf (496.34 KB)
C92.pdf (496.34 KB)"Compact and Distinctive Visual Vocabularies for Efficient Multimedia Data Indexing.", 2013. C92.pdf (496.34 KB)
C92.pdf (496.34 KB) "Dissimilarity Features in Recommender Systems." In ICDM Workshops, edited by Wei Ding, Takashi Washio, Hui Xiong, George Karypis, Bhavani M. Thuraisingham, Diane J. Cook and Xindong Wu, 825-832. IEEE Computer Society, 2013. PDF (343.89 KB)
PDF (343.89 KB)"Integrating similarity and dissimilarity notions in recommenders." (2013). PDF (1021.99 KB)
PDF (1021.99 KB) "Integrating similarity and dissimilarity notions in recommenders." Expert Syst. Appl. 40 (2013): 5132-5147. J55.pdf (1021.99 KB)
J55.pdf (1021.99 KB) "Micro-blogging Content Analysis via Emotionally-Driven Clustering." In Affective Computing and Intelligent Interaction (ACII), 2013 Humaine Association Conference on, 375-380., 2013. PDF (375.24 KB)
PDF (375.24 KB)
