Eleftherios Tiakas

Laboratory Teaching Staff

Data & Web Science Laboratory

Department of Informatics

Faculty of Sciences
Aristotle University of Thessaloniki
54124 Thessaloniki, Greece
email: tiakas@csd.auth.gr

 

Eleftherios Tiakas, received a B.Sc. in Mathematics (1994) from the Department of Mathematics, Faculty of Sciences, Aristotle University of Thessaloniki (AUTH). Also, he received a B.Sc. in Computer Science - Informatics (2006), an M.Sc. in Computer Science - Informatics with focus on Information Systems (2006), and a Ph.D. in Informatics (2011) from the Department of Informatics, Faculty of Sciences, AUTH. During the period 2004-2017 he served as Teacher of Mathematics in Secondary Education. Also, during the period 2011-2017 he served as Adjunct Lecturer and postdoctoral researcher with the Department of Informatics, AUTH. Since 2017 he is in the Laboratory Teaching Staff of the Department of Informatics, AUTH. His areas of research interest include: Databases, Data Structures, Data Mining, Information Retrieval, Similarity Search, Social Networks, Bioinformatics. He is the author/co-author of 14 articles published in international journals, 17 papers published in international conference proceedings, and 2 book chapters. His publications have received over 600 citations. He participated in 12 research projects and programs funded by the European Union and Greece. Finally, he serves as a PC-Member and reviewer for several international journals and conferences.

 

 


Teaching

Postgraduate Courses (pages in Greek):

Teaching Assistant for the Undergraduate Courses (pages in Greek):

 

Past Postgraduate Courses:

·        Spring 2015:              Advanced Data Indexing

 

 


Publications

Partial list of publications and citations from Google Scholar.

Partial list of publications from the Data & Web Science Laboratory, Department of Informatics, AUTH.

Partial list of publications from DBLP.

Partial list of publications from the Collection of Computer Science Bibliographies.

Partial list of publications and citations from Microsoft Academic Search.

 

Journal Articles

 

[J14] Nikolaos Pliakis, Eleftherios Tiakas, Yannis Manolopoulos. "Indexing and progressive top-k similarity retrieval of trajectories", World Wide Web, 2020.

[J13] Nikolaos Georgiadis, Eleftherios Tiakas, Yannis Manolopoulos, Apostolos N. Papadopoulos. "Skyline-based dissimilarity of images", Journal of Intelligent Information Systems, vol. 53, no. 3, pp. 509-545, December 2019.

[J12] Dimitris Zianis, Gavriil Spyroglou, Eleftherios Tiakas, Kalliopi Radoglou. "Bayesian and classical models to predict aboveground tree biomass allometry", Forest Science Journal, vol. 62, no. 3, pp. 247-259, June 2016.

[J11] Eleftherios Tiakas, George Valkanas, Apostolos N. Papadopoulos, Yannis Manolopoulos, Dimitrios Gunopulos. "Processing Top-k Dominating Queries in Metric Spaces", Transactions on Database Systems (ACM), vol. 40, no. 4, 38 pages, article 23, January 2016.

[J10] Zaigham Faraz Siddiqui, Eleftherios Tiakas, Panagiotis Symeonidis, Myra Spiliopoulou, Yannis Manolopoulos. "Learning Relational User Profiles and Recommending Items as Their Preferences Change", International Journal on Artificial Intelligence Tools (World Scientific Publishing Company), vol. 24, no. 2, 31 pages, April 2015.

[J9] Nantia Iakovidou, Eleftherios Tiakas, Konstantinos Tsichlas, Yannis Manolopoulos. "Going over the three dimensional protein structure similarity problem", Artificial Intelligence Review (Springer), vol. 42, no. 3, pp. 445-459, October 2014.

[J8] Panagiotis Symeonidis, Eleftherios Tiakas. "Transitive node similarity: predicting and recommending links in signed social networks", World Wide Web Journal (Springer), vol. 17, no. 4, pp. 743-776, July 2014.

[J7] Eleftherios Tiakas, Apostolos N. Papadopoulos, Yannis Manolopoulos. "On Estimating the Maximum Domination Value and the Skyline Cardinality of Multi-Dimensional Data Sets", International Journal of Knowledge-Based Organizations (IGI Global), vol. 3, no. 4, pp. 61-83, October 2013.

[J6] Eleftherios Tiakas, Dimitrios Rafailidis, Anastasios Dimou, Petros Daras. "MSIDX: Multi-Sort Indexing for Efficient Content-Based Image Search and Retrieval", Transactions on Multimedia (IEEE), vol. 15, no. 6, pp. 1415-1430, October 2013.

[J5] Panagiotis Symeonidis, Eleftherios Tiakas, Yannis Manolopoulos. "A unified framework for link and rating prediction in multi-modal social networks", International Journal of Social Network Mining (Inderscience), vol. 1, no. 3/4, pp. 225-253, January 2013.

[J4] Eleftherios Tiakas, Apostolos N. Papadopoulos, Yannis Manolopoulos. "Progressive processing of subspace dominating queries", The VLDB Journal (Springer), vol. 20, no. 6, pp. 921-948, December 2011.

[J3] Eleftherios Tiakas, Apostolos N. Papadopoulos, Alexandros Nanopoulos, Yannis Manolopoulos. "Node and edge selectivity estimation for range queries in spatial networks", Information Systems (Elsevier), vol. 34, no. 3, pp. 328-352, May 2009.

[J2] Eleftherios Tiakas, Apostolos N. Papadopoulos, Alexandros Nanopoulos, Yannis Manolopoulos, Dragan Stojanovic, Slobodanka Djordjevic-Kajan. "Searching for similar trajectories in spatial networks", Journal of System and Software (Elsevier), vol. 82, no. 5, pp. 772-788, May 2009.

[J1] Eleftherios Tiakas, Stefanos Ougiaroglou, Petros Nicopolitidis. "Efficient algorithms for constructing broadcast disks programs in asymmetric communication environments", Telecommunication Systems (Springer), vol. 41, no. 3, pp. 185-209, May 2009.

 

Papers in Conference Proceedings

 

[C17] Theodoros Tzouramanis, Eleftherios Tiakas, Apostolos N. Papadopoulos, Yannis Manolopoulos. "The Range Skyline Query", Proceedings of the 27th International Conference on Information and Knowledge Management (ACM / CIKM), pp. 47-56, Torino, Italy, October 2018.

[C16] Nikolaos Georgiadis, Eleftherios Tiakas, Yannis Manolopoulos. "Detecting Intrinsic Dissimilarities in Large Image Databases through Skylines", Proceedings of the 9th International Conference on Management of Digital EcoSystems (ACM / MEDES), pp.194-201, Bangkok, Thailand, November 2017, [Best Paper Award].

[C15] Alexander Tzanakas, Eleftherios Tiakas, Yannis Manolopoulos. "Skyline Algorithms on Streams of Multidimensional Data", Proceedings of the 20th East-European Conference on Advances in Databases and Information Systems (Springer / ADBIS), pp. 63-71, Prague, Czech Republic, August 2016.

[C14] Eleftherios Tiakas, Dimitrios Rafailidis. "Scalable Trajectory Similarity Search Based on Locations in Spatial Networks", Proceedings of the 5th International Conference on Model and Data Engineering (Springer / MEDI), LNCS vol. 9344, pp. 213-224, Rhodes, Greece, September 2015.

[C13] Eleftherios Tiakas, Apostolos N. Papadopoulos, Yannis Manolopoulos. "Skyline Queries: an Introduction (invited)", Proceedings of the 6th International Conference on Information, Intelligence, Systems & Applications (IISA), 6 pages, Corfu, Greece, July 2015.

[C12] Eleftherios Tiakas, Apostolos N. Papadopoulos, Yannis Manolopoulos. "Top-k Dominating Queries: a Survey (invited)", Proceedings of the 17th International Symposium on Programming and Systems (ISPS), 10 pages, Algiers, Algeria, April 2015.

[C11] Zaigham Faraz Siddiqui, Eleftherios Tiakas, Panagiotis Symeonidis, Myra Spiliopoulou, Yannis Manolopoulos. "xStreams: Recommending Items to Users with Time-evolving Preferences", Proceedings of the 4th International Conference on Web Intelligence, Mining and Semantics (ACM / WIMS), Article 22, 12 pages, Thessaloniki, Greece, June 2014.

[C10] Eleftherios Tiakas, George Valkanas, Apostolos N. Papadopoulos, Yannis Manolopoulos, Dimitrios Gunopulos: "Metric-Based Top-k Dominating Queries", Proceedings of the 17th International Conference on Extending Database Technology (Open Proceedings / EDBT), pp. 415-426, Athens, Greece, March 2014, [Best Paper Award].

[C9] Nantia Iakovidou, Eleftherios Tiakas, Konstantinos Tsichlas: "DISCO: A New Algorithm for Detecting 3D Protein Structure Similarity", Proceedings of the Artificial Intelligence Applications and Innovations Workshops (Springer / AIAI), pp. 622-631, Halkidiki, Greece, September 2012.

[C8] Panagiotis Symeonidis, Eleftherios Tiakas, Yannis Manolopoulos. "Product recommendation and rating prediction based on multi-modal social networks", Proceedings of the 5th ACM Conference on Recommender Systems (ACM / RECSYS), pp. 61-68, Chicago, IL, USA, October 2011.

[C7] Zaigham Faraz Siddiqui, Myra Spiliopoulou, Panagiotis Symeonidis, Eleftherios Tiakas. "A Data Generator for Multi-Stream Data", Proceedings of the 2nd International Workshop on Mining Ubiquitous and Social Environments (Springer / MUSE), pp. 63-70, Athens, Greece, September 2011.

[C6] Panagiotis Symeonidis, Eleftherios Tiakas, Yannis Manolopoulos. "Transitive node similarity for link prediction in social networks with positive and negative links", Proceedings of the 4th ACM Conference on Recommender Systems (ACM / RECSYS), pp. 183-190, Barcelona, Spain, September 2010.

[C5] Eleftherios Tiakas, Apostolos N. Papadopoulos, Yannis Manolopoulos. "Estimation of the Maximum Domination Value in Multi-dimensional Data Sets", Proceedings of the 14th East-European Conference on Advances in Databases and Information Systems (Springer / ADBIS), pp. 505-519, Novi Sad, Serbia, September 2010.

[C4] Eleftherios Tiakas, Apostolos N. Papadopoulos, Yannis Manolopoulos. "Graph Node Clustering via Transitive Node Similarity", Proceedings of the 14th Panhellenic Conference on Informatics (IEEE / PCI), pp. 72-77, Tripoli, Greece, September 2010.

[C3] Eleftherios Tiakas, Apostolos N. Papadopoulos, Alexandros Nanopoulos, Yannis Manolopoulos. "Selectivity estimation in spatial networks", Proceedings of the 23rd Annual Symposium on Applied Computing (ACM / SAC), pp. 852-856, Fortaleza, Ceara, Brazil, March 2008.

[C2] Eletherios Tiakas, Stefanos Ougiaroglou, Petros Nicopolitidis. "Efficient broadcast disks program construction in asymmetric communication environments", Proceedings of the 10th International Symposium on Modelling, Analysis and Simulation of Wireless and Mobile Systems (ACM / MSWiM), pp. 279-283, Chania, Crete Island, Greece, October 2007.

[C1] Eleftherios Tiakas, Apostolos N. Papadopoulos, Alexandros Nanopoulos, Yannis Manolopoulos, Dragan Stojanovic, Slobodanka Djordjevic-Kajan. "Trajectory Similarity Search in Spatial Networks", Proceedings of the 10th International Database Engineering & Applications Symposium (IEEE / IDEAS), pp. 185-192, Delhi, India, December 2006.

 

Book Chapters

 

[CH2] Gavriil Spyroglou, Eleftherios Tiakas, Gregor Chatziphilippidis, Vasiliki Kazana. "The design and use of forest decision support systems in Greece", Computer-based tools for supporting forest management. The experience and the expertise world-wide (Epsilon Open Archive), pp. 152-167, 2014.

[CH1] Theodoros Semertzidis, Dimitrios Rafailidis, Eleftherios Tiakas, Michael G. Strintzis, Petros Daras. "Multimedia Indexing, Search and Retrieval in Large Databases of Social Networks", Social Media Retrieval, Computer Communications and Networks series (Springer), pp. 43-63, 2012.

 

Technical Reports

 

[TR1] Alexander Tzanakas, Eleftherios Tiakas, Yannis Manolopoulos. "Revisited skyline query algorithms on streams of multidimensional data", Technical Report, Aristotle University of Thessaloniki, 2016.

 

Theses

 

[TH3] Eleftherios Tiakas: "Similarity and domination query processing in multidimensional spaces", Ph.D. thesis, Department of Informatics, Aristotle University (in Greek), 2011.

[TH2] Eleftherios Tiakas: "Trajectory similarity range queries in spatial networks", Postgraduate thesis, Department of Informatics, Aristotle University (in Greek), 2006.

[TH1] Eleftherios Tiakas: "Computing trajectory similarity with metric relations in spatial networks", Thesis, Department of Informatics, Aristotle University (in Greek), 2006.

 


 

Participation in Program Committees/Conferences

WIMS 2020 (PC Member)

SOFSEM 2020 (PC Member)

IDEAS 2019 (PC Member)

WIMS 2019 (PC Member)

IDC 2019 (PC Member)

WIMS 2018 (PC Member)

WISE 2014 (Assistant Editor and Internal Reviewer)

CAiSE 2014 (Assistant Editor and Internal Reviewer)

EANN 2013 (Assistant Editor and Internal Reviewer)

 

Participation/Involvement in International Research Projects and Programs

COST Action IC1406 (cHiPSet), 2018 (Workgroup Member)

COST Action FP0804 (FORSYS), 2009-2013 (Researcher, Workgroup Member)

3DLife-EMC2, 2012  (Researcher)

IKYDA (IKY-DAAD), 2011 (Researcher)

ITM, 2003 (Researcher and Programmer)

 

 


Last modified: 21 October 2020