Tiakas Eleftherios

Ph.D.
Department of Informatics
Aristotle University of Thessaloniki
Email: tiakas@csd.auth.gr

Short Bio:
I was born in Thessaloniki, Greece in 1972. I received a B.Sc. in Mathematics (1994), a B.Sc. in Computer Science - Informatics (2006), a M.Sc. in Information Systems (2006), and a Ph.D. in Informatics (2011) from the Departments of Mathematics and Informatics of Aristotle University of Thessaloniki, Greece.

Research Interests:
Query Processing, Multidimensional Indexing and Databases, Spatial Databases, Spatio-temporal Databases, GIS, Information Retrieval, Web Databases, Multimedia Databases, Information Systems, Decision Support Systems, Similarity Search, Algorithm Design and Analysis, Graph Theory, Discrete Mathematics, Computer Graphics, Computational Geometry, Forest Modeling, Bio-Informatics.

Selected Journal Articles:

• 2011: E.Tiakas, A.N.Papadopoulos, Y.Manolopoulos: "Progressive Processing of Subspace Dominating Queries", Springer, The VLDB Journal, On-Line, (pp.1-25).



• 2011: E.Tiakas, A.N.Papadopoulos, Y.Manolopoulos: "On Estimating the Maximum Domination Value and the Skyline Cardinality of Multi-Dimensional Data Sets", IGI, International Journal of Knowledge-Based Organizations, accepted, (pp.1-22).



• 2009: E.Tiakas, A.N.Papadopoulos, A.Nanopoulos, Y.Manolopoulos: "Node and Edge Selectivity Estimation for Range Queries in Spatial Networks", Elsevier, Information Systems (IS), Vol.34, No.3, pp.328-352.



• 2009: E.Tiakas, A.N.Papadopoulos, A.Nanopoulos, Y.Manolopoulos, D.Stojanovic, S.Djordjevic-Kajan: "Searching for Similar Trajectories in Spatial Networks", Elsevier, Journal of System and Software (JSS), Vol.82, No.5, pp.772-788.



• 2009: E.Tiakas, S.Ougiaroglou, P.Nicopolitidis: "Efficient Algorithms for Constructing Broadcast Disks Programs In Asymmetric Communication Environments", Springer, Telecommunication Systems (TS), Vol.41, No.3, pp.185-209.

Selected Conference Papers:

• 2011: P.Symeonidis, E.Tiakas, Y.Manolopoulos: "Product Recommendation and Rating Prediction based on Multi-modal Social Networks", Proceedings of the 5th ACM Conference on Recommender Systems (ACM/RECSYS), accepted, (pp.1-8), Chicago, IL, USA, 23-27 Oct.



• 2011: Z.F.Siddiqui, M.Spiliopoulou, P.Symeonidis, E.Tiakas: "A Data Generator for Multi-Stream Data", Proceedings of the Mining Ubiquitous and Social Environments (Springer/MUSE) Workshop co-located with the 22nd European Conference on Machine Learning and 15th European Conference on Principles and Practice of Knowledge Discovery in Databases (ECML/PKDD), accepted, (pp.1-8), Athens, Greece, 5-9 Sep.



• 2010: P.Symeonidis, E.Tiakas, Y.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.



• 2010: E.Tiakas, A.N.Papadopoulos, Y.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.



• 2010: E.Tiakas, A.N.Papadopoulos, Y.Manolopoulos: "Graph Node Clustering via Transitive Node Similarity", Proceedings of the 14th Panhellenic Conference on Informatics (IEEE/PCI), pp.72-77, Tripoli, Greece.



• 2008: E.Tiakas, A.N.Papadopoulos, A.Nanopoulos, Y.Manolopoulos: "Selectivity Estimation in Spatial Networks", Proceedings of the 23rd Annual Symposium on Applied Computing (ACM/SAC), pp.852-856, Fortaleza, Ceara, Brazil.



• 2007: E.Tiakas, S.Ougiaroglou, P.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 (IEEE-ACM/MSWiM), pp.279-283, Chania, Crete Island, Greece.



• 2006: E.Tiakas, A.Papadopoulos, A.Nanopoulos, Y.Manolopoulos, D.Stojanovic, S.Djordjevic-Kajan: "Trajectory Similarity Search in Spatial Networks", Proceedings of the 10th International Database Engineering & Applications Symposium (IEEE/IDEAS), pp.185-192, Delhi, India.

Technical Reports:

• 2011: E. Tiakas, A. N. Papadopoulos, Y. Manolopoulos: "Top-k Dominating Queries in Metric Spaces".

Last modified: Sep 7, 2011