Hiroki Sakaji 研究室

主宰者：Hiroki Sakaji

北海道大学

AI 要約（直近 5 年の研究成果）

要約はまだ生成されていません。

※ AI（Claude）が、公開されている論文要旨から研究の問い・手法・主要な発見を事実情報として抽出・再構成して自動生成しています。誤りを含む可能性があるため、正確性は研究室公式情報でご確認ください。

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研究成果（66 件）

[2026] Scalable BDI Logic Inference for Contradictory Knowledge Reasoning
DOI: https://doi.org/10.5220/0014484900004052
[2026] Invisible Feast: Augmenting Sensory Perception via Peripheral Social Cues
DOI: https://doi.org/10.1145/3795011.3797376
[2026] SHARP: A Complete Multi-Task MAPD Planner for Realistic Warehouse Scenarios
DOI: https://doi.org/10.5220/0014489600004052
[2026] Invitation to the Text Analytics Symposium
DOI: https://doi.org/10.5715/jnlp.33.417
[2026] SL-LDA: LDA-Based Storage Location Assignment for Automated Warehouses Under MAPD Constraints
DOI: https://doi.org/10.3390/systems14050581
[2026] Few-shot Generation of Medical Incident Causal Factors and Preventive Measures Using Category-based Example Selection
DOI: https://doi.org/10.1527/tjsai.41-4_an40-e
[2026] JFinTEB: Japanese Financial Text Embedding Benchmark
DOI: https://doi.org/10.1145/3805712.3808595
[2026] Deliberate Assignment Deferral for Multi-Agent Pickup and Delivery with Deadlines
DOI: https://doi.org/10.3390/systems14050494
[2025] Economy Watchers Survey Provides Datasets and Tasks for Japanese Financial Domain
DOI: https://doi.org/10.1145/3701716.3715304
[2025] Sentiment works in small-cap stocks: Japanese stock’s sentiment with language models
DOI: https://doi.org/10.1016/j.jjimei.2024.100318

続きを表示（残り 56 件）

[2025] Medical Incident Causal Factors and Preventive Measures Generation Using Tag-Based Example Selection in Few-Shot Learning
DOI: https://doi.org/10.1109/bigdata66926.2025.11402504
[2024] FinDeBERTaV2: Word-Segmentation-Free Pre-trained Language Model for Finance
DOI: https://doi.org/10.1527/tjsai.39-4_fin23-g
[2024] Development and analysis of medical instruction-tuning for Japanese large language models
DOI: https://doi.org/10.36922/aih.2695
[2024] Enhancing Risk Identification with GNN: Edge Classification in Risk Causality from Securities Reports
DOI: https://doi.org/10.1016/j.jjimei.2024.100217
[2024] LLMFactor: Extracting Profitable Factors through Prompts for Explainable Stock Movement Prediction
DOI: https://doi.org/10.18653/v1/2024.findings-acl.185
[2024] Metadata-Based Clustering and Selection of Metadata Items for Similar Dataset Discovery and Data Combination Tasks
DOI: https://doi.org/10.1109/access.2024.3375750
[2024] Advances in Language Processing in the Financial and Economic Domain
DOI: https://doi.org/10.5715/jnlp.31.763
[2024] PGSGAN: Policy Gradient Stock GAN
DOI: https://doi.org/10.52731/ijscai.v8.i1.832
[2024] Verification of Reasoning Ability using BDI Logic and Large Language Model in AIWolf
DOI: https://doi.org/10.18653/v1/2024.aiwolfdial-1.5
[2024] Knowledge Management for Design Development and Maintenance through Text Mining of Product Information
DOI: https://doi.org/10.1299/jsmedsd.2024.34.2404
[2024] A Proposal of Score Distribution Predictive Model in Self-Play Deep Reinforcement Learning
DOI: https://doi.org/10.1527/tjsai.39-5_g-o63
[2024] Knowledge Management for Automobile Failure Analysis Using Graph RAG
DOI: https://doi.org/10.1109/bigdata62323.2024.10826046
[2024] Is ChatGPT the Future of Causal Text Mining? A Comprehensive Evaluation and Analysis
DOI: https://doi.org/10.1109/bigdata62323.2024.10825555
[2024] JaFIn: Japanese Financial Instruction Dataset
DOI: https://doi.org/10.1109/cifer62890.2024.10772973
[2024] Enhancing Financial Domain Adaptation of Language Models via Model Augmentation
DOI: https://doi.org/10.1109/bigdata62323.2024.10825292
[2024] Extraction of Research Objectives, Machine Learning Model Names, and Dataset Names from Academic Papers and Analysis of Their Interrelationships Using LLM and Network Analysis
DOI: https://doi.org/10.1109/ieem62345.2024.10857146
[2024] Metadata-based Data Exploration with Retrieval-Augmented Generation for Large Language Models
DOI: https://doi.org/10.1109/bigdata62323.2024.10826055
[2024] Refined and Segmented Price Sentiment Indices from Survey Comments
DOI: https://doi.org/10.1109/bigdata62323.2024.10825585
[2024] Indexing Economic Fluctuation Narratives from Keiki Watchers Survey
DOI: https://doi.org/10.1109/bigdata62323.2024.10825135
[2024] Firm Default Prediction by GNN with Gravity-Model Informed Neighbor Node Sampling
DOI: https://doi.org/10.1007/s12626-024-00170-6
[2023] Constructing Sentiment Signal-Based Asset Allocation Method with Causality Information
DOI: https://doi.org/10.1007/s00354-023-00231-4
[2023] From Base to Conversational: Japanese Instruction Dataset and Tuning Large Language Models
DOI: https://doi.org/10.1109/bigdata59044.2023.10386605
[2023] Discovering new applications: Cross-domain exploration of patent documents using causal extraction and similarity analysis
DOI: https://doi.org/10.1016/j.wpi.2023.102238
[2023] Financial Causality Extraction Based on Universal Dependencies and Clue Expressions
DOI: https://doi.org/10.1007/s00354-023-00233-2
[2023] Extraction SDGs-related sentences from Sustainability Reports using BERT and ChatGPT
DOI: https://doi.org/10.1109/iiai-aai59060.2023.00158
[2023] Policy Gradient Stock GAN for Realistic Discrete Order Data Generation in Financial Markets
DOI: https://doi.org/10.1109/iiai-aai59060.2023.00077
[2023] New Developments in Language Processing for Finance and Economics
DOI: https://doi.org/10.5715/jnlp.30.839
[2023] LLM-Japanese-Dataset v0: Construction of Japanese Chat Dataset for Large Language Models and its Methodology
DOI: https://doi.org/10.2139/ssrn.4454626
[2023] From Base to Conversational: Japanese Instruction Dataset and Tuning Large Language Models
DOI: https://doi.org/10.2139/ssrn.4564308
[2023] Asset Allocation Method Based on Sentiment Signals and Causal Information using Multi-asset Classes
DOI: https://doi.org/10.52731/ijscai.v7.i2.827
[2022] Bilateral Trade Flow Prediction by Gravity-informed Graph Auto-encoder
DOI: https://doi.org/10.1109/bigdata55660.2022.10021066
[2022] A Model of Pricing Data and Their Constituent Variables Traded in Two-Sided Markets with Resale: A Subject Experiment
DOI: https://doi.org/10.1109/bigdata55660.2022.10021105
[2022] SSAAM: Sentiment Signal-based Asset Allocation Method with Causality Information
DOI: https://doi.org/10.1109/bigdata55660.2022.10021064
[2022] Gradual Further Pre-training Architecture for Economics/Finance Domain Adaptation of Language Model
DOI: https://doi.org/10.1109/bigdata55660.2022.10020445
[2022] SETN: Stock Embedding Enhanced with Textual and Network Information
DOI: https://doi.org/10.1109/bigdata55660.2022.10020220
[2022] Constructing and analyzing domain-specific language model for financial text mining
DOI: https://doi.org/10.1016/j.ipm.2022.103194
[2022] Extraction and classification of risk-related sentences from securities reports
DOI: https://doi.org/10.1016/j.jjimei.2022.100096
[2022] Investment Strategy via Lead Lag Effect using Economic Causal Chain and SSESTM Model
DOI: https://doi.org/10.1109/iiaiaai55812.2022.00065
[2022] Attempt to Develop An Approach Based on BERT for Task of NTCIR-16 QA Lab-Poliinfo-3 Budget Argument Mining
DOI: https://doi.org/10.20736/0002002280
[2022] Forecasting Stock Price Trends by Analyzing Economic Reports With Analyst Profiles
DOI: https://doi.org/10.3389/frai.2022.866723
[2022] Constructing Equity Investment Strategies Using Analyst Reports and Regime Switching Models
DOI: https://doi.org/10.3389/frai.2022.865950
[2022] Implementation of Actual Data for Artificial Market Simulation
DOI: https://doi.org/10.65109/irdx3978
[2022] Concept and Practice of Artificial Market Data Mining Platform
DOI: https://doi.org/10.1109/cifer52523.2022.9776095
[2022] Graph Representation Learning of Banking Transaction Network with Edge Weight-Enhanced Attention and Textual Information
DOI: https://doi.org/10.1145/3487553.3524643
[2022] Models of Exchanged Datasets and Interactions of Buyers in the Data Market: Toward Multi-Agent Simulators for System Design
DOI: https://doi.org/10.1016/j.procs.2022.09.227
[2022] Policy Gradient Stock Gan for Realistic Discrete Order Data Generation in Financial Markets
DOI: https://doi.org/10.2139/ssrn.4095304
[2021] Retrieving of Data Similarity using Metadata on a Data Analysis Competition Platform
DOI: https://doi.org/10.1109/bigdata52589.2021.9671414
[2021] Market Trend Analysis Using Polarity Index Generated from Analyst Reports
DOI: https://doi.org/10.1109/bigdata52589.2021.9671702
[2021] Growing Process of Communities on Data Platforms: Case Analysis of a COVID-19 Dataset
DOI: https://doi.org/10.1109/bigdata52589.2021.9671535
[2021] STBM+: Advanced Stochastic Trading Behavior Model for Financial Markets using Residual Blocks or Transformers
DOI: https://doi.org/10.1007/s00354-021-00145-z
[2021] Performance Validation of Pre-Trained BERT in the Financial Domain
[2021] Data Combination for Problem-Solving: A Case of an Open Data Exchange Platform
DOI: https://doi.org/10.1007/s12626-021-00083-8
[2021] Calculating Similarities of Overviews on Data Exchange Platform
[2021] development of simulation model towards reproducing characteristics of data exchange markets
[2021] Predictive Uncertainty in Neural Network-Based Financial Market Forecasting
DOI: https://doi.org/10.52731/ijscai.v5.i1.541
[2021] クラスタリング,深層学習,および人工金融市場を用いた金融市場シミュレーションのための実データの実現【JST・京大機械翻訳】

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AI 要約（直近 5 年の研究成果）

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関連研究室(8 件)

研究成果（66 件）

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