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Ourania (Rania) Theodosiadou
Ourania (Rania) Theodosiadou
Other namesOurania Theodosiadou, Rania Theodosiadou
Unknown affiliation
Verified email at math.auth.gr
Title
Cited by
Cited by
Year
Change point detection in terrorism-related online content using deep learning derived indicators
O Theodosiadou, K Pantelidou, N Bastas, D Chatzakou, T Tsikrika, ...
Information 12 (7), 274, 2021
162021
State space modeling with non-negativity constraints using quadratic forms
O Theodosiadou, G Tsaklidis
Mathematics 9 (16), 1908, 2021
62021
Sensitivity analysis of market and stock returns by considering positive and negative jumps
O Theodosiadou, V Polimenis, G Tsaklidis
The Journal of Risk Finance 17 (4), 456-472, 2016
52016
Estimating the positive and negative jumps of asset returns via Kalman filtering. The case of NASDAQ index
O Theodosiadou, G Tsaklidis
Methodology and Computing in Applied Probability 19, 1123-1134, 2017
32017
Change point detection and estimation of the two-sided jumps of asset returns using a modified Kalman filter
O Theodosiadou, S Skaperas, G Tsaklidis
Risks 5 (1), 15, 2017
32017
From Research to Applications: What Can We Extract with Social Media Sensing?
A Bozas, S Andreadis, D Chatzakou, S Symeonidis, O Theodosiadou, ...
SN Computer Science 5 (5), 1-33, 2024
2024
Real‐time threat assessment based on hidden Markov models
O Theodosiadou, D Chatzakou, T Tsikrika, S Vrochidis, I Kompatsiaris
Risk Analysis 43 (10), 2069-2081, 2023
2023
Change Point Analysis of Time Series Related to Bitcoin Transactions: Towards the Detection of Illegal Activities
O Theodosiadou, AM Koufakis, T Tsikrika, S Vrochidis, I Kompatsiaris
Journal of Risk and Financial Management 16 (9), 408, 2023
2023
Trend Detection in Crime-Related Time Series with Change Point Detection Methods
A Konstantinou, D Chatzakou, O Theodosiadou, T Tsikrika, S Vrochidis, ...
International Conference of the Cross-Language Evaluation Forum for European …, 2023
2023
Check for updates Trend Detection in Crime-Related Time Series with Change Point Detection Methods
A Konstantinou, D Chatzakou, O Theodosiadou, T Tsikrika, S Vrochidis, ...
Experimental IR Meets Multilinguality, Multimodality, and Interaction: 14th …, 2023
2023
Identification of Key Actor Nodes: A Centrality Measure Ranking Aggregation Approach
A Kosmatopoulos, K Loumponias, O Theodosiadou, T Tsikrika, ...
2022 IEEE/ACM International Conference on Advances in Social Networks …, 2022
2022
A semi-parametric method for estimating the beta coefficients of the hidden two-sided asset return jumps
O Theodosiadou, V Polimenis, G Tsaklidis
Journal of Applied Statistics, 2019
2019
Kρυφές στοχαστικές διαδικασίες με άλματα και μοντέλα χώρου καταστάσεων με ανισοτικούς περιορισμούς. Εφαρμογή στη Χρηματοοικονομική
O Theodosiadou
Aristotle University Of Thessaloniki (AUTH); Αριστοτέλειο Πανεπιστήμιο …, 2019
2019
Object Detection and Recognition in Visual Content Understanding
D Touska, K Gkountakos, O Theodosiadou, T Tsikrika, S Vrochidis
Modelling stock returns by Lévy processes with two-sided jumps
O Theodosiadou, G Tsaklidis, E Vatamidou
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