Publications

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Conferences/Workshops

Content Recommendation for Viral Social Influence. Konstantinos Theocharidis , Manolis Terrovitis , Panagiotis Karras. SIGIR 2017: 565-574, 2017 Full text
CitySense: Retrieving, Visualizing and Combining Datasets on Urban Areas. Danae Pla Karidi, Harry Nakos, Alexandros Efentakis, and Yannis Stavrakas. The Ninth International Conference on Advances in Databases, Knowledge, and Data Applications (DBKDA 2017), Barcelona-Spain, May 21-25, 2017
μTOP: Spatio-Temporal Detection and Summarization of Locally Trending Topics in Microblog Posts. Paras Mehta, Manuel Kotlarski, Dimitrios Skoutas, Dimitris Sacharidis, Kostas Patroumpas, Agnès Voisard. Proceedings of the 20th International Conference on Extending Database Technology (EDBT) 2017: 558-561, 2017 Full text
Finding Socio-Textual Associations Among Locations. Paras Mehta, Dimitris Sacharidis, Dimitrios Skoutas, Agnès Voisard. Proceedings of the 20th International Conference on Extending Database Technology (EDBT) 2017: 120-131, 2017 Full text
Intelligence Analysis of Tay Twitter Bot. Vinayak Mathur, Yannis Stavrakas, and Sanjay Singh. IEEE 2nd International Conference on Contemporary Computing and Informatics (IC3I 2016), Noida-India, 14-17 December, 2016
Coverage and diversity aware top-k query for spatio-temporal posts. Paras Mehta, Dimitrios Skoutas, Dimitris Sacharidis, Agnès Voisard. Proceedings of the 24th ACM International Conference on Advances in Geographic Information Systems (SIGSPATIAL) 2016: 37:1-37:10, 2016 Full text
“Just the facts” with PALOMAR: Detecting protest events in media outlets and Twitter. Konstantina Papanikolaou, Haris Papageorgiou, Nikos Papasarantopoulos, Theoni Stathopoulou, George Papastefanatos. First “Social Media in the Newsroom” workshop (SMnews2016), co-located with the International Conference on Web and Social Media (ICWSM 2016), Cologne, Germany, 17th May, 2016., 2016 Full text
A Personalized Tweet Recommendation Approach Based on Concept Graphs. Danae Pla Karidi, Yannis Stavrakas, Yannis Vassiliou. The 13th IEEE International Conference on Ubiquitous Intelligence and Computing (UIC 2016). Toulouse, France, July 2016., 2016
From User Graph to Topics Graph. Danae Pla Karidi. Data Engineering Workshops (ICDEW), 32nd IEEE International Conference on Data Engineering – ICDE 2016, 2016
COLD. Revisiting Hub Labels on the Database for Large-Scale Graphs. Alexandros Efentakis, Christodoulos Efstathiades, Dieter Pfoser. 14th International Symposium on Spatial and Temporal Databases (SSTD 2015), 2015 Full text
Degeneracy-based Real-Time Sub-Event Detection in Twitter Stream. Polykarpos Meladianos, Giannis Nikolentzos, Francois Rousseau, Yannis Stavrakas, and Michalis Vazirgiannis. The 9TH International AAAI Conference on Web and Social Media (ICWSM-15), May 2015, 2015 Full text
Leveraging Web 2.0 for Informed Real-Estate Services. Papantoniou Katerina, Athanasiadis Marios-Lazaros, Fundulaki Irini, Georgis Christos, Stavrakas Yannis, Troullinos Michalis, Tsitsanis Anastasios. 15th International Conference on Knowledge Extraction and Management (EGC 2015), Luxembourg, 27-30 January, 2015 Full text
Regionally Influential Users in Location-Aware Social Networks. Panagiotis Bouros, Dimitris Sacharidis, Nikos Bikakis. 22nd ACM International Conference on Advances in Geographic Information Systems (ACM GIS SIGSPATIAL'14), 2014 Full text
Using Context Information for Providing Innovative Real-Estate Services. Stavrakas Yannis, Fundulaki Irini, Tsitsanis Anastasios, Avdelas Pavlos. 8th Greek HellasGIs Conference, Athens, Greece, December, 2014
Location Recommendation in Location-Based Social Networks Using User Check-in Data. Hao Wang, Manolis Terrovitis and Nikos Mamoulis. ACM SIGSPATIAL 2013, 2013 Full text
Assessing the Coverage of Data Collection Campaigns on Twitter: A Case Study. Vassilis Plachouras, Yannis Stavrakas, Athanasios Andreou. Proceedings of International Workshop on Social Media Semantics (SMS 2013), OTM 2013 Workshops, LNCS 8186, pp 598-607, 2013 Full text
Diversifying User Comments on News Articles. Giorgos Giannopoulos, Ingmar Weber, Alejandro Jaimes and Timos Sellis. WISE 2012: 100-113, 2012 Full text
Querying Term Associations and their Temporal Evolution in Social Data. Vassilis Plachouras, and Yannis Stavrakas. International VLDB Workshop on Online Social Systems (WOSS 2012), Istanbul, Turkey, August 2012, 2012 Full text
A Platform for Supporting Data Analytics on Twitter: Challenges and Objectives. Yannis Stavrakas, and Vassilis Plachouras. Workshop on Knowledge Extraction and Consolidation from Social Media (KECSM 2012), Boston, USA, November 2012, 2012 Full text

Journals

Tweet and Followee Personalized Recommendations Based on Knowledge Graphs. Danae Pla Karidi, Yannis Stavrakas, Yannis Vassiliou. Journal of Ambient Intelligence and Humanized Computing, 9(6):2035-2049, 2018 Full text
Combining Geolocated Data for Urban Area Profiling. Danae Pla Karidi, Harry Nakos, Alexandros Efentakis, Yannis Stavrakas. International Journal On Advances in Software, v10 n3&4, 2017
The ARCOMEM Architecture for Social- and Semantic-Driven Web Archiving. Thomas Risse, Elena Demidova, Stefan Dietze, Wim Peters, Nikolaos Papailiou, Katerina Doka, Yannis Stavrakas, Vassilis Plachouras, Pierre Senellart, Florent Carpentier, Amin Mantrach, Bogdan Cautis, Patrick Siehndel, and Dimitris Spiliotopoulos. Future Internet 2014, 6, 688-716; doi:10.3390/fi6040688, 2014 Full text
ARCOMEM Crawling Architecture. Vassilis Plachouras, Florent Carpentier, Muhammad Faheem, Julien Masanes, Thomas Risse, Pierre Senellart, Patrick Siehndel, and Yannis Stavrakas. Future Internet 2014, 6, 518-541, doi:10.3390/fi6030518, August 2014, 2014 Full text

Technical Reports

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PhD Theses

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Diploma Theses

Detecting Influential Users in Twitter. Evangelos Karakolis. School of Electrical and Computer Engineering, NTUA, 2015
Analysing and Detecting Spam Users in Twitter. Danae Pla Karidi. School of Electrical and Computer Engineering, NTUA, 2014, 2014
Searching the Web through Twitter. Athanasios Andreou, Dimitrios Sermpos. School of Electrical and Computer Engineering, NTUA, 2012, 2012 Full text

Books

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