Kiyoshi Izumi - Publications, H-index & Citations

Kiyoshi Izumi

University of Tokyo

19H指数

332论文数

1.5K被引数

收录论文 17

发表时间

Earnings forecasting by LLMs enhanced via reinforcement learning with synthetic financial reports 通过强化学习与合成财务报告增强的大语言模型盈利预测

Knowledge-Based Systems

IF7.6

2026-07-01

PREAI

Xu, Tao; Piao, Zhe; Mukai, Tadashi; Murayama, Yuri; Izumi, Kiyoshi

Financial Market as a Self-Organized Ecosystem: Simulation via Learning with Heterogeneous Preferences 金融市场作为自组织生态系统：基于异质性偏好的学习模拟

Artificial Life

IF1.5

2026-05-01

PREAI

Hashimoto, Ryuji; Takata, Ryosuke; Suzuki, Masahiro; Tanaka, Yuki; Izumi, Kiyoshi

LLM agents reveal how human bias shapes path-dependent market dynamics 大型语言模型智能体揭示了人类偏见如何塑造路径依赖的市场动态

Journal of Computational Social Science

IF2.3

2026-02-19

OAAI

Hashimoto, Ryuji; Takayanagi, Takehiro; Suzuki, Masahiro; Izumi, Kiyoshi

VAE-based Multivariate Nowcasting of the Japanese Economy 基于变分自编码器（VAE）的日本经济多变量即时预测

COMPUTATIONAL ECONOMICS

IF2.2

2025-10-01

PREAI

Ueda, Tsubasa; Izumi, Kiyoshi; Murayama, Yuri

CausalEnhance: knowledge-enhanced pre-training for causality identification and extraction CausalEnhance：用于因果识别与提取的知识增强预训练

Knowledge-Based Systems

IF7.6

2025-09-13

OAAI

Meiyun Wang; Kiyoshi Izumi; Hiroki Sakaji

Improvement and Analysis of Peak Shift Demand Response Scenarios of Industrial Consumers Using an Electricity Market Model

NEW GENERATION COMPUTING

IF2.8

2024-09-16

OAAI

Cheng, Long; Izumi, Kiyoshi; Hirano, Masanori

Constructing and analyzing domain-specific language model for financial text mining

INFORMATION PROCESSING & MANAGEMENT

IF6.9

2023-03-01

PREAI

Suzuki, Masahiro; Sakaji, Hiroki; Hirano, Masanori; Izumi, Kiyoshi

Analysis of Carbon Neutrality Scenarios of Industrial Consumers Using Electric Power Market Simulations

PRIMA 2022: PRINCIPLES AND PRACTICE OF MULTI-AGENT SYSTEMS

IF0

2022-11-12

PREAI

Hirano, Masanori; Wakasugi, Ryo; Izumi, Kiyoshi

Forecasting Stock Price Trends by Analyzing Economic Reports With Analyst Profiles

FRONTIERS IN ARTIFICIAL INTELLIGENCE

IF4.7

2022-06-07

OAAI

Suzuki, Masahiro; Sakaji, Hiroki; Izumi, Kiyoshi; Ishikawa, Yasushi

Constructing Equity Investment Strategies Using Analyst Reports and Regime Switching Models

FRONTIERS IN ARTIFICIAL INTELLIGENCE

IF4.7

2022-05-18

OAAI

Taguchi, Rei; Watanabe, Hikaru; Sakaji, Hiroki; Izumi, Kiyoshi; Hiramatsu, Kenji

Contextual Sentiment Neural Network for Document Sentiment Analysis

DATA SCIENCE AND ENGINEERING

IF4.6

2020-05-20

OAAI

Ito, Tomoki; Tsubouchi, Kota; Sakaji, Hiroki; Yamashita, Tatsuo; Izumi, Kiyoshi

GINN: gradient interpretable neural networks for visualizing financial texts

INTERNATIONAL JOURNAL OF DATA SCIENCE AND ANALYTICS

IF2.8

2018-12-04

OAAI

Ito, Tomoki; Sakaji, Hiroki; Izumi, Kiyoshi; Tsubouchi, Kota; Yamashita, Tatsuo

Effect of COD/NO3--N ratio and seed sludge on simultaneous methanogenesis and denitrification in intermittent organic solid waste treatment

INTERNATIONAL BIODETERIORATION & BIODEGRADATION

IF4.1

2013-10-01

PREAI

Akizuki, S.; Izumi, K.; Nagao, N.; Shiotani, T.; Niwa, C.; Toda, T.

Evaluation of automated-trading strategies using an artificial market

NEUROCOMPUTING

IF6.5

2009-10-01

PREAI

Izumi, K.; Toriumi, F.; Matsui, H.

Integration of artificial market simulation and text mining for market analysis

SOFT COMPUTING

IF2.5

2007-04-18

PREAI

Izumi, Kiyoshi; Matsui, Hiroki; Matsuo, Yutaka

Phase transition in a foreign exchange market - Analysis based on an artificial market approach 外汇市场的相变 -- 基于人工市场方法的分析

IEEE TRANSACTIONS ON EVOLUTIONARY COMPUTATION

IF12

2001-01-01

PREAI

Izumi, K; Ueda, K

Meteor observations in Japan: New implications for a Taurid meteoroid swarm

MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY

IF4.8

1998-06-11

PREAI

Asher, DJ; Izumi, K

研究方向