Search Results for author: Alireza Sadeghi

Found 11 papers, 0 papers with code

Robust, Deep, and Reinforcement Learning for Management of Communication and Power Networks

no code implementations8 Feb 2022 Alireza Sadeghi

Later, we build on this robust framework to design robust semi-supervised learning over graph methods.

Decision Making Management +2

Distributionally Robust Semi-Supervised Learning Over Graphs

no code implementations20 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.

Heavy Ball Momentum for Conditional Gradient

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.

Reinforcement Learning for Caching with Space-Time Popularity Dynamics

no code implementations19 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.

reinforcement-learning Reinforcement Learning (RL)

Gauss-Newton Unrolled Neural Networks and Data-driven Priors for Regularized PSSE with Robustness

no code implementations3 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.

Image Denoising Rolling Shutter Correction

A Statistical Learning Approach to Reactive Power Control in Distribution Systems

no code implementations25 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.

Computational Efficiency

Reinforcement Learning for Adaptive Caching with Dynamic Storage Pricing

no code implementations17 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.

Decision Making Q-Learning +2

Optimal and Scalable Caching for 5G Using Reinforcement Learning of Space-time Popularities

no code implementations19 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

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