no code implementations • 7 Dec 2022 • Alireza Sadeghi, Alireza Rezaee, Farshid Hajati
This study presents a deep learning model for the detection of LBBB arrhythmia from 12-lead ECG data.
no code implementations • 8 Feb 2022 • Alireza Sadeghi
Later, we build on this robust framework to design robust semi-supervised learning over graph methods.
no code implementations • 20 Oct 2021 • Alireza Sadeghi, Meng Ma, Bingcong Li, Georgios B. Giannakis
The data distribution is considered unknown, but lies within a Wasserstein ball centered around empirical data distribution.
no code implementations • NeurIPS 2021 • Bingcong Li, Alireza Sadeghi, Georgios B. Giannakis
Conditional gradient, aka Frank Wolfe (FW) algorithms, have well-documented merits in machine learning and signal processing applications.
no code implementations • 7 Jul 2020 • Alireza Sadeghi, Gang Wang, Meng Ma, Georgios B. Giannakis
This robust learning task entails an infinite-dimensional optimization problem, which is challenging.
no code implementations • 19 May 2020 • Alireza Sadeghi, Georgios B. Giannakis, Gang Wang, Fatemeh Sheikholeslami
With the tremendous growth of data traffic over wired and wireless networks along with the increasing number of rich-media applications, caching is envisioned to play a critical role in next-generation networks.
no code implementations • 3 Mar 2020 • Qiuling Yang, Alireza Sadeghi, Gang Wang, Georgios B. Giannakis, Jian Sun
Numerical tests using real load data on the IEEE $118$-bus benchmark system showcase the improved estimation and robustness performance of the proposed scheme compared with several state-of-the-art alternatives.
no code implementations • 25 Oct 2019 • Qiuling Yang, Alireza Sadeghi, Gang Wang, Georgios B. Giannakis, Jian Sun
Taking a statistical learning viewpoint, the input-output relationship between each grid state and the corresponding optimal reactive power control is parameterized in the present work by a deep neural network, whose unknown weights are learned offline by minimizing the power loss over a number of historical and simulated training pairs.
no code implementations • 27 Feb 2019 • Alireza Sadeghi, Gang Wang, Georgios B. Giannakis
To handle the large continuous state space, a scalable deep reinforcement learning approach is pursued.
no code implementations • 17 Dec 2018 • Alireza Sadeghi, Fatemeh Sheikholeslami, Antonio G. Marques, Georgios B. Giannakis
Under this generic formulation, first by considering stationary distributions for the costs and file popularities, an efficient reinforcement learning-based solver known as value iteration algorithm can be used to solve the emerging optimization problem.
no code implementations • 19 Jul 2017 • Alireza Sadeghi, Fatemeh Sheikholeslami, Georgios B. Giannakis
To intelligently prefetch, each SB must learn what and when to cache, while taking into account SB memory limitations, the massive number of available contents, the unknown popularity profiles, as well as the space-time popularity dynamics of user file requests.
Networking and Internet Architecture