Search Results for author: Farhad Shirani

Found 5 papers, 1 papers with code

PAC Learnability under Explanation-Preserving Graph Perturbations

no code implementations7 Feb 2024 Xu Zheng, Farhad Shirani, Tianchun Wang, Shouwei Gao, Wenqian Dong, Wei Cheng, Dongsheng Luo

It is shown that the sample complexity of explanation-assisted learning can be arbitrarily smaller than explanation-agnostic learning.

Data Augmentation

Factorized Explainer for Graph Neural Networks

no code implementations9 Dec 2023 Rundong Huang, Farhad Shirani, Dongsheng Luo

Instead, we argue that a modified GIB principle may be used to avoid the aforementioned trivial solutions.

Towards Robust Fidelity for Evaluating Explainability of Graph Neural Networks

1 code implementation3 Oct 2023 Xu Zheng, Farhad Shirani, Tianchun Wang, Wei Cheng, Zhuomin Chen, Haifeng Chen, Hua Wei, Dongsheng Luo

An explanation function for GNNs takes a pre-trained GNN along with a graph as input, to produce a `sufficient statistic' subgraph with respect to the graph label.

Decision Making

Optimal Fault-Tolerant Data Fusion in Sensor Networks: Fundamental Limits and Efficient Algorithms

no code implementations9 Oct 2022 Marian Temprana Alonso, Farhad Shirani, S. Sitharama Iyengar

Distributed estimation in the context of sensor networks is considered, where distributed agents are given a set of sensor measurements, and are tasked with estimating a target variable.

Sensor Fusion

Quantifying the Capacity Gains in Coarsely Quantized SISO Systems with Nonlinear Analog Operators

no code implementations8 Aug 2022 Farhad Shirani, Hamidreza Aghasi

While reducing the number and resolution of the ADCs decreases power consumption, it also leads to a reduction in channel capacity due to the information loss induced by coarse quantization.

Quantization

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