Kiyoshi Izumi

Supply Chain Turbulence Index using Foot Traffic Data and Factor Decomposition Method

2024 · Transactions of the Japanese Society for Artificial Intelligence

Since the emergence of the COVID-19 pandemic, disruptions in supply chains have significantly impacted both the global economy and asset markets. Despite a rising interest in supply-related data among policymakers, researchers, and financial market participants, …

Mixture of Experts Approach for Domain Adaptation in Finance

2026 · Journal of Advanced Computational Intelligence and Intelligent Informatics

Pre-trained language models (PLMs) have demonstrated high performance across various tasks and domains. Among these PLMs, Mixture of Experts (MoE) models also exhibit high performance with fewer active parameters. In domain adaptation, generally, continual pre-training …