Publications

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Conferences/Workshops

K-clique-graphs for Dense Subgraph Discovery. Giannis Nikolentzos, Polykarpos Meladianos, Yannis Stavrakas, and Michalis Vazirgiannis. The European Conference on Machine Learning & Principles and Practice of Knowledge Discovery in Databases (ECML-PKDD 2017), Skopje, 18-22 September, 2017
Shortest-Path Graph Kernels for Document Similarity. Giannis Nikolentzos, Polykarpos Meladianos, Francois Rousseau, Yannis Stavrakas, and Michalis Vazirgiannis. SIGDAT Conference on Empirical Methods in Natural Language Processing (EMNLP 2017), Copenhagen-Denmark, September 9-11, 2017
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
Multivariate Gaussian Document Representation from Word Embeddings for Text Categorization. Giannis Nikolentzos, Polykarpos Meladianos, Francois Rousseau, Yannis Stavrakas, and Michalis Vazirgiannis. 15th European Chapter of the Association for Computational Linguistics Conference (EACL 2017), Valencia-Spain, April 3-7, 2017
A Flexible Framework for Understanding the Dynamics of Evolving RDF Datasets. Yannis Roussakis, Ioannis Chrysakis, Kostas Stefanidis, Giorgos Flouris and Yannis Stavrakas. The 14th Hellenic Data Management Symposium (HDMS 2016), Athens-Greece, July 28-29, 2016
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
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
A Language for Defining and Detecting Interrelated Complex Changes on RDF(S) Knowledge Bases. Theodora Galani, George Papastefanatos, Yannis Stavrakas. In 18th International Conference on Enterprise Information Systems (ICEIS 2016), 25-28 April 2016, 2016
A Flexible Framework for Understanding the Dynamics of Evolving RDF Datasets. Yannis Roussakis, Ioannis Chrysakis, Kostas Stefanidis, Giorgos Flouris and Yannis Stavrakas. The 14th International Semantic Web Conference (ISWC 2015), October 11-15, 2015, 2015
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
Supporting Complex Changes in RDF(S) Knowledge Bases. Theodora Galani, Yannis Stavrakas, George Papastefanatos, and Giorgos Flouris. MEPDaW First Diachron Workshop (hosted by ESWC 2015), June 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
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
Towards a Framework for Managing Evolving Information Resources on the Data Web. Marios Meimaris, George Papastefanatos, Christos Pateritsas, Theodora Galani, Yannis Stavrakas. 1st International Workshop on Dataset PROFIling & fEderated Search for Linked Data (PROFILES) 2014, collocated with ESWC 2014, electronic proceedings in CEUR-WS vol. 1151, 2014 Full text
MXML Path-based Storage and Ordered-based Context Manipulation. Nikolaos Fousteris, Manolis Gergatsoulis, and Yannis Stavrakas. 24th International Conference on Database and Expert Systems Applications (DEXA 2013), Prague, Czech Republic, August 26-29, 2013. Proceedings, Part II, Lecture Notes in Computer Science, Vol. 8056, pp. 203-212, Springer-Verlag, 2013 Full text
Entities, Topics and Events in Community Memories. Elena Demidova, Nicola Barbieri, Stefan Dietze, Adam Funk, Gerhard Gossen, Diana Maynard, Nikos Papailiou, Vassilis Plachouras, Wim Peters, Thomas Risse, Yannis Stavrakas, Nina Tahmasebi. 1st International Workshop on Archiving Community Memories (ARCOMEM), in conjunction with iPRES2013, 2013 Full text
An Architecture for Selective Web Harvesting: The Use Case of Heritrix. Vassilis Plachouras, Florent Carpentier, Julien Masanes, Thomas Risse, Pierre Senellart, Patrick Siehndel, Yannis Stavrakas. 1st International Workshop on Archiving Community Memories (ARCOMEM), in conjunction with iPRES2013, 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
Capturing the History and Change Structure of Evolving Data. George Papastefanatos, Yannis Stavrakas, and Theodora Galani. Fifth International Conference on Advances in Databases, Knowledge, and Data Applications (DBKDA 2013), Seville, Spain, January 2013, 2013 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
Preservation of Social Web Content based on Entity Extraction and Consolidation. Stefan Dietze, Diana Maynard, Elena Demidova, Thomas Risse, Wim Peters, Katerina Doka, and Yannis Stavrakas. International Workshop on Semantic Digital Archives (SDA 2012), Paphos, Cyprus, September 2012, 2012 Full text
Exploiting the Social and Semantic Web for guided Web Archiving. Thomas Risse, Stefan Dietze, Wim Peters, Katerina Doka, Yannis Stavrakas and Pierre Senellart. International Conference on Theory and Practice of Digital Libraries (TPDL 2012), Paphos, Cyprus, September 2012, 2012
Diachronic Linked Data: Towards Long-Term Preservation of Structured Interrelated Information. Yannis Stavrakas, George Papastefanatos, Theodore Dalamagas and Vassilis Christophides. International Workshop on Open Data (WOD 2012), Nantes, France, May 25 2012, 2012
Publishing Life Science Data as Linked Open Data: the Case Study of miRBase. Theodore Dalamagas, Nikos Bikakis, George Papastefanatos, Yannis Stavrakas and Artemis Hatzigeorgiou. International Workshop on Open Data (WOD 2012), Nantes, France, May 25 2012, 2012
Using Structured Changes for Elucidating Data Evolution. Yannis Stavrakas, George Papastefanatos. ICDE Workshop on Managing Data Throughout its Lifecycle (DaLi 2011), Hannover, Germany, 2011 Full text
Supporting Complex Changes in Evolving Interrelated Web Databanks. Yannis Stavrakas, George Papastefanatos. 18th International Conference on Cooperative Information Systems (CoopIS 2010), Crete, Greece, October 27-29, 2010 Full text
Collaborative information spaces: Research directions at IMIS. George Papastefanatos, Yannis Stavrakas, Christos Papatheodorou, Theodore Dalamagas, Dieter Pfoser, Timos Sellis. 2nd ERCIM DIS Workshop on large scale and federated information spaces, Amsterdam, 2010 Full text
Evolution of Interrelated Data: Users, Problems, and Systems. Yannis Stavrakas, Theodore Dalamagas, Timos Sellis. 1st ERCIM DIS Workshop on large scale and federated information spaces, Paris, 2009 Full text
Multidimensional XPath. Nikolaos Fousteris, Yannis Stavrakas, Manolis Gergatsoulis. Proceedings of the 10th International Conference on Information Integration and Web-based Applications & Services (iiWAS 2008), Linz, Austria, 2008

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
A Query Language for Multi Version Data Web Archives. Marios Meimaris, George Papastefanatos, Stratis Viglas, Yannis Stavrakas, Christos Pateritsas, Ioannis Anagnostopoulos. Expert Systems 33(4): 383-404 (2016), 2016 Full text
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
Diachronic Linked Data: Capturing the Evolution of Structured Interrelated Information on the Web. George Papastefanatos, and Yannis Stavrakas. ERCIM News on Open Linked Data, Number 96, page 36, January 2014, 2014
Updating Multidimensional XML documents. Nikolaos Fousteris, Manolis Gergatsoulis, Yannis Stavrakas. International Journal of Wed Information Systems, Vol.4, Number 2, pages 142-164, 2008 Full text

Technical Reports

A Query Language for Multi-version Data Web Archives. Marios Meimaris, George Papastefanatos, Stratis Viglas, Yannis Stavrakas and Christos Pateritsas. TR-IMIS-2015-2, 2015 Full text

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
"Internet Radio Switch" add-on for Firefox. Konstantinos Spanakis. School of Electrical and Computer Engineering, NTUA, 2012, 2012
Transformation of cultural heritage XML metadata in CIDOC CRM ontology. Orestis Polychronakis. School of Electrical and Computer Engineering, NTUA, 2010 Full text
Georeferencing and routing tool for survey management. Nikolaos Kostoulas. School of Electrical and Computer Engineering, NTUA, 2010 Full text
Information Management using Mobile Devices. Antonios Lampadaridis. School of Electrical and Computer Engineering, NTUA, 2009 Full text
Storing and querying M-XML documents using relational databases. Ionas Iona. School of Electrical and Computer Engineering, NTUA, 2009 Full text
Friends in Range. Georgios Lamprianidis. School of Electrical and Computer Engineering, NTUA, 2008 Full text

Books

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