3 papers
cs.LG2025
Strategic inputs: feature selection from game-theoretic perspective
Chi Zhao, Jing Liu, Elena Parilina
The exponential growth of data volumes has led to escalating computational costs in machine learning model training. However, many features fail to contribute positively to model p…
cs.AI2025
ShapG: new feature importance method based on the Shapley value
Chi Zhao, Jing Liu, Elena Parilina
With wide application of Artificial Intelligence (AI), it has become particularly important to make decisions of AI systems explainable and transparent. In this paper, we proposed…
physics.soc-ph2024
Centrality measures and opinion dynamics in two-layer networks with replica nodes
Chi Zhao, Elena Parilina
We examine two-layer networks and centrality measures defined on them. We propose two fast and accurate algorithms to approximate the game-theoretic centrality measures and examine…