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Yannis Theodoridis
Researcher at University of Piraeus
Publications - 236
Citations - 10009
Yannis Theodoridis is an academic researcher from University of Piraeus. The author has contributed to research in topics: Spatial database & Spatial query. The author has an hindex of 47, co-authored 223 publications receiving 9426 citations. Previous affiliations of Yannis Theodoridis include National and Kapodistrian University of Athens & Research Academic Computer Technology Institute.
Papers
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Book ChapterDOI
Towards Trajectory Data Warehouses
Nikos Pelekis,Alessandra Raffaetà,Maria Luisa Damiani,Christelle Vangenot,Gerasimos Marketos,Elias Frentzos,Irene Ntoutsi,Yannis Theodoridis +7 more
Journal ArticleDOI
In-network approximate computation of outliers with quality guarantees
TL;DR: This paper introduces an in-network outlier detection framework, based on locality sensitive hashing, extended with a novel boosting process as well as efficient load balancing and comparison pruning mechanisms that can reliably identify outlier readings using a fraction of the bandwidth and energy that would otherwise be required.
Proceedings ArticleDOI
A quantitative and qualitative ANALYSIS of blocking in association rule hiding
Emmanuel D. Pontikakis,Yannis Theodoridis,Achilleas A. Tsitsonis,Liwu Chang,Vassilios S. Verykios +4 more
TL;DR: This study studies the procedure of hiding sensitive association rules in binary data sets by blocking some data values and presents an algorithm for solving this problem and quantitatively compares the efficiency of the proposed algorithm in hiding association rules.
Proceedings ArticleDOI
EasyTracker: An Android Application for Capturing Mobility Behavior
TL;DR: The application encapsulates several state-of-the-art line simplification algorithms for compressing the trajectories drawn from collected GPS records, as well as segmenting trajectories into homogeneous parts in order to facilitate automatic auditing of the user's manual annotation.
Proceedings Article
Big Data Analytics for Time Critical Mobility Forecasting: Recent Progress and Research Challenges.
George A. Vouros,Akrivi Vlachou,Georgios M. Santipantakis,Christos Doulkeridis,Nikos Pelekis,Harris V. Georgiou,Yannis Theodoridis,Kostas Patroumpas,Elias Alevizos,Alexander Artikis,Christophe Claramunt,Cyril Ray,David Scarlatti,Georg Fuchs,Gennady Andrienko,Natalia Andrienko,Michael Mock,Elena Camossi,Anne-Laure Jousselme,Jose Manuel Cordero Garcia +19 more
TL;DR: Progress achieved towards time critical big data analytics solutions in user-defined challenges concerning moving entities in the air-traffic management and maritime domains is described.