Hiroki Sakaji - RankMe

133 papers A* 3A 2B 22Misc 2Journal 48Unranked 56

Year	Rank	Type	Title / Venue / Authors
2026	J	`jnl`	Invitation to the Text Analytics Symposium. J. Nat. Lang. Process. Takeshi S. Kobayakawa, Kanji Takahashi, Hiroki Sakaji
2026	—	`conf`	SHARP: A Complete Multi-Task MAPD Planner for Realistic Warehouse Scenarios. ICAART (1) Taisei Hirayama, Kohei Yoshida, Hiroki Sakaji, Itsuki Noda
2026	—	`conf`	Scalable BDI Logic Inference for Contradictory Knowledge Reasoning. ICAART (5) Hiraku Gondo, Hiroki Sakaji, Itsuki Noda
2025	J	`jnl`	CausalEnhance: knowledge-enhanced pre-training for causality identification and extraction. Knowl. Based Syst. Meiyun Wang, Kiyoshi Izumi, Hiroki Sakaji
2025	—	`conf`	Economy Watchers Survey Provides Datasets and Tasks for Japanese Financial Domain. WWW (Companion Volume) Masahiro Suzuki, Hiroki Sakaji
2025	Misc	`conf`	Efficient Assignment of Immediate Tasks Using Deep Reinforcement Learning in Multi-Agent Pickup and Delivery. PAAMS Taisei Hirayama, Kohei Yoshida, Hiroki Sakaji, Itsuki Noda
2025	Misc	`conf`	LDAS: Proposal for Semi-optimal Storage Locations Using LDA and SA. PAAMS Tatsuto Ito, Naoki Hattori, Hiroki Sakaji, Itsuki Noda
2025	B	`conf`	Medical Incident Causal Factors and Preventive Measures Generation Using Tag-Based Example Selection in Few-Shot Learning. IEEE Big Data Yuna Haseyama, Tomoki Ito, Hiroki Sakaji, Itsuki Noda
2025	J	`jnl`	Sentiment works in small-cap stocks: Japanese stock's sentiment with language models. Int. J. Inf. Manag. Data Insights Masahiro Suzuki, Yasushi Ishikawa, Masayuki Teraguchi, Hiroki Sakaji
2024	J	`jnl`	Advances in Language Processing in the Financial and Economic Domain. J. Nat. Lang. Process. Hiroki Sakaji, Kei Nakagawa
2024	J	`jnl`	Bilateral Trade Flow Prediction by Gravity-informed Graph Auto-encoder. CoRR Naoto Minakawa, Kiyoshi Izumi, Hiroki Sakaji
2024	J	`jnl`	Discovery of Rare Causal Knowledge from Financial Statement Summaries. CoRR Hiroki Sakaji, Jason Bennett, Risa Murono, Kiyoshi Izumi, Hiroyuki Sakai
2024	J	`jnl`	Economy Watchers Survey provides Datasets and Tasks for Japanese Financial Domain. CoRR Masahiro Suzuki, Hiroki Sakaji
2024	B	`conf`	Enhancing Financial Domain Adaptation of Language Models via Model Augmentation. IEEE Big Data Kota Tanabe, Masanori Hirano, Kazuki Matoya, Kentaro Imajo, Hiroki Sakaji, Itsuki Noda
2024	J	`jnl`	Enhancing Financial Domain Adaptation of Language Models via Model Augmentation. CoRR Kota Tanabe, Masanori Hirano, Kazuki Matoya, Kentaro Imajo, Hiroki Sakaji, Itsuki Noda
2024	J	`jnl`	Enhancing Risk Identification with GNN: Edge Classification in Risk Causality from Securities Reports. Int. J. Inf. Manag. Data Insights Hajime Sasaki, Motomasa Fujii, Hiroki Sakaji, Shigeru Masuyama
2024	—	`conf`	Extraction of Research Objectives, Machine Learning Model Names, and Dataset Names from Academic Papers and Analysis of Their Interrelationships Using LLM and Network Analysis. IEEM S. Nishio, Hirofumi Nonaka, N. Tsuchiya, A. Migita, T. Banno, Teruaki Hayashi, Hiroki Sakaji, Takeshi Sakumoto, Kohei Watabe
2024	J	`jnl`	Extraction of Research Objectives, Machine Learning Model Names, and Dataset Names from Academic Papers and Analysis of Their Interrelationships Using LLM and Network Analysis. CoRR S. Nishio, Hirofumi Nonaka, N. Tsuchiya, A. Migita, Y. Banno, Teruaki Hayashi, Hiroki Sakaji, Takeshi Sakumoto, Kohei Watabe
2024	J	`jnl`	Firm Default Prediction by GNN with Gravity-Model Informed Neighbor Node Sampling. Rev. Socionetwork Strateg. Naoto Minakawa, Kiyoshi Izumi, Yuri Murayama, Hiroki Sakaji
2024	B	`conf`	Indexing Economic Fluctuation Narratives from Keiki Watchers Survey. IEEE Big Data Eriko Shigetsugu, Hiroki Sakaji, Itsuki Noda
2024	J	`jnl`	Indexing Economic Fluctuation Narratives from Keiki Watchers Survey. CoRR Eriko Shigetsugu, Hiroki Sakaji, Itsuki Noda
2024	J	`jnl`	Indexing and Visualization of Climate Change Narratives Using BERT and Causal Extraction. CoRR Hiroki Sakaji, Noriyasu Kaneda
2024	J	`jnl`	Interactive DualChecker for Mitigating Hallucinations in Distilling Large Language Models. CoRR Meiyun Wang, Masahiro Suzuki, Hiroki Sakaji, Kiyoshi Izumi
2024	B	`conf`	Is ChatGPT the Future of Causal Text Mining? A Comprehensive Evaluation and Analysis. IEEE Big Data Takehiro Takayanagi, Masahiro Suzuki, Ryotaro Kobayashi, Hiroki Sakaji, Kiyoshi Izumi
2024	J	`jnl`	Is ChatGPT the Future of Causal Text Mining? A Comprehensive Evaluation and Analysis. CoRR Takehiro Takayanagi, Masahiro Suzuki, Ryotaro Kobayashi, Hiroki Sakaji, Kiyoshi Izumi
2024	—	`conf`	JaFIn: Japanese Financial Instruction Dataset. CIFEr Kota Tanabe, Masahiro Suzuki, Hiroki Sakaji, Itsuki Noda
2024	J	`jnl`	JaFIn: Japanese Financial Instruction Dataset. CoRR Kota Tanabe, Masahiro Suzuki, Hiroki Sakaji, Itsuki Noda
2024	B	`conf`	Knowledge Management for Automobile Failure Analysis Using Graph RAG. IEEE Big Data Yuta Ojima, Hiroki Sakaji, Tadashi Nakamura, Hiroaki Sakata, Kazuya Seki, Yuu Teshigawara, Masami Yamashita, Kazuhiro Aoyama
2024	J	`jnl`	Knowledge Management for Automobile Failure Analysis Using Graph RAG. CoRR Yuta Ojima, Hiroki Sakaji, Tadashi Nakamura, Hiroaki Sakata, Kazuya Seki, Yuu Teshigawara, Masami Yamashita, Kazuhiro Aoyama
2024	—	`conf`	LLMFactor: Extracting Profitable Factors through Prompts for Explainable Stock Movement Prediction. ACL (Findings) Meiyun Wang, Kiyoshi Izumi, Hiroki Sakaji
2024	J	`jnl`	LLMFactor: Extracting Profitable Factors through Prompts for Explainable Stock Movement Prediction. CoRR Meiyun Wang, Kiyoshi Izumi, Hiroki Sakaji
2024	J	`jnl`	Metadata-Based Clustering and Selection of Metadata Items for Similar Dataset Discovery and Data Combination Tasks. IEEE Access Takeshi Sakumoto, Teruaki Hayashi, Hiroki Sakaji, Hirofumi Nonaka
2024	B	`conf`	Metadata-based Data Exploration with Retrieval-Augmented Generation for Large Language Models. IEEE Big Data Teruaki Hayashi, Hiroki Sakaji, Jiayi Dai, Randy Goebel
2024	J	`jnl`	Metadata-based Data Exploration with Retrieval-Augmented Generation for Large Language Models. CoRR Teruaki Hayashi, Hiroki Sakaji, Jiayi Dai, Randy Goebel
2024	—	`conf`	Optimal Assignment of Immediate Tasks in Multi-agent Pickup and Delivery. TAAI (2) Taisei Hirayama, Itsuki Noda, Hiroki Sakaji, Norihiko Kato
2024	B	`conf`	Refined and Segmented Price Sentiment Indices from Survey Comments. IEEE Big Data Masahiro Suzuki, Hiroki Sakaji
2024	J	`jnl`	Refined and Segmented Price Sentiment Indices from Survey Comments. CoRR Masahiro Suzuki, Hiroki Sakaji
2024	J	`jnl`	SETN: Stock Embedding Enhanced with Textual and Network Information. CoRR Takehiro Takayanagi, Hiroki Sakaji, Kiyoshi Izumi
2024	J	`jnl`	SSAAM: Sentiment Signal-based Asset Allocation Method with Causality Information. CoRR Rei Taguchi, Hiroki Sakaji, Kiyoshi Izumi
2024	J	`jnl`	Summarization of Investment Reports Using Pre-trained Model. CoRR Hiroki Sakaji, Ryotaro Kobayashi, Kiyoshi Izumi, Hiroyuki Mitsugi, Wataru Kuramoto
2023	J	`jnl`	Constructing Sentiment Signal-Based Asset Allocation Method with Causality Information. New Gener. Comput. Rei Taguchi, Hiroki Sakaji, Kiyoshi Izumi, Yuri Murayama
2023	J	`jnl`	Constructing and analyzing domain-specific language model for financial text mining. Inf. Process. Manag. Masahiro Suzuki, Hiroki Sakaji, Masanori Hirano, Kiyoshi Izumi
2023	—	`conf`	Extraction SDGs-related sentences from Sustainability Reports using BERT and ChatGPT. IIAI-AAI Shingo Sashida, Kiyoshi Izumi, Hiroki Sakaji
2023	J	`jnl`	Financial Causality Extraction Based on Universal Dependencies and Clue Expressions. New Gener. Comput. Hiroki Sakaji, Kiyoshi Izumi
2023	B	`conf`	From Base to Conversational: Japanese Instruction Dataset and Tuning Large Language Models. IEEE Big Data Masahiro Suzuki, Masanori Hirano, Hiroki Sakaji
2023	J	`jnl`	From Base to Conversational: Japanese Instruction Dataset and Tuning Large Language Models. CoRR Masahiro Suzuki, Masanori Hirano, Hiroki Sakaji
2023	B	`conf`	Indexing and Visualization of Climate Change Narratives Using BERT and Causal Extraction. IEEE Big Data Hiroki Sakaji, Noriyasu Kaneda
2023	J	`jnl`	JMedLoRA: Medical Domain Adaptation on Japanese Large Language Models using Instruction-tuning. CoRR Issey Sukeda, Masahiro Suzuki, Hiroki Sakaji, Satoshi Kodera
2023	J	`jnl`	New Developments in Language Processing for Finance and Economics. J. Nat. Lang. Process. Hiroki Sakaji
2023	—	`conf`	Policy Gradient Stock GAN for Realistic Discrete Order Data Generation in Financial Markets. IIAI-AAI Masanori Hirano, Hiroki Sakaji, Kiyoshi Izumi
2023	—	`conf`	Summarization of Investment Reports Using Pre-trained Model. IIAI-AAI Hiroki Sakaji, Ryotaro Kobayashi, Kiyoshi Izumi, Hiroyuki Mitsugi, Wataru Kuramoto
2023	—	`conf`	llm-japanese-dataset v0: Construction of Japanese Chat Dataset for Large Language Models and Its Methodology. NBiS Masanori Hirano, Masahiro Suzuki, Hiroki Sakaji
2023	J	`jnl`	llm-japanese-dataset v0: Construction of Japanese Chat Dataset for Large Language Models and its Methodology. CoRR Masanori Hirano, Masahiro Suzuki, Hiroki Sakaji
2022	B	`conf`	A Model of Pricing Data and Their Constituent Variables Traded in Two-Sided Markets with Resale: A Subject Experiment. IEEE Big Data Toshihiko Nanba, Kazuhito Ogawa, Naoki Watanabe, Teruaki Hayashi, Hiroki Sakaji
2022	—	`conf`	Attempt to Develop An Approach Based on BERT for Task of NTCIR-16 QA Lab-Poliinfo-3 Budget Argument Mining. NTCIR Akio Kobayashi, Hiroki Sakaji
2022	B	`conf`	Bilateral Trade Flow Prediction by Gravity-informed Graph Auto-encoder. IEEE Big Data Naoto Minakawa, Kiyoshi Izumi, Hiroki Sakaji
2022	—	`conf`	Centralized Versus Decentralized Digital Identity Architectures: Simulation Models of Data Exchange. AAAI Spring Symposium: HFIF Yoshiaki Fukami, Takumi Shimizu, Teruaki Hayashi, Hiroki Sakaji, Hiroyasu Matsushima
2022	—	`conf`	Concept and Practice of Artificial Market Data Mining Platform. CIFEr Masanori Hirano, Hiroki Sakaji, Kiyoshi Izumi
2022	J	`jnl`	Constructing Equity Investment Strategies Using Analyst Reports and Regime Switching Models. Frontiers Artif. Intell. Rei Taguchi, Hikaru Watanabe, Hiroki Sakaji, Kiyoshi Izumi, Kenji Hiramatsu
2022	J	`jnl`	Extraction and classification of risk-related sentences from securities reports. Int. J. Inf. Manag. Data Insights Motomasa Fujii, Hiroki Sakaji, Shigeru Masuyama, Hajime Sasaki
2022	J	`jnl`	Forecasting Stock Price Trends by Analyzing Economic Reports With Analyst Profiles. Frontiers Artif. Intell. Masahiro Suzuki, Hiroki Sakaji, Kiyoshi Izumi, Yasushi Ishikawa
2022	B	`conf`	Gradual Further Pre-training Architecture for Economics/Finance Domain Adaptation of Language Model. IEEE Big Data Hiroki Sakaji, Masahiro Suzuki, Kiyoshi Izumi, Hiroyuki Mitsugi
2022	—	`conf`	Graph Representation Learning of Banking Transaction Network with Edge Weight-Enhanced Attention and Textual Information. WWW (Companion Volume) Naoto Minakawa, Kiyoshi Izumi, Hiroki Sakaji, Hitomi Sano
2022	A	`conf`	Implementation of Actual Data for Artificial Market Simulation. AAMAS Masanori Hirano, Kiyoshi Izumi, Hiroki Sakaji
2022	—	`conf`	Investment Strategy via Lead Lag Effect using Economic Causal Chain and SSESTM Model. IIAI-AAI Kei Nakagawa, Shingo Sashida, Hiroki Sakaji
2022	B	`conf`	Models of Exchanged Datasets and Interactions of Buyers in the Data Market: Toward Multi-Agent Simulators for System Design. KES Teruaki Hayashi, Hiroyasu Matsushima, Hiroki Sakaji, Yoshiaki Fukami, Takumi Shimizu
2022	J	`jnl`	Policy Gradient Stock GAN for Realistic Discrete Order Data Generation in Financial Markets. CoRR Masanori Hirano, Hiroki Sakaji, Kiyoshi Izumi
2022	—	`conf`	Proposal for Turning Point Detection Method Using Financial Text and Transformer. JSAI-isAI Workshops Rei Taguchi, Hikaru Watanabe, Hiroki Sakaji, Kiyoshi Izumi, Kenji Hiramatsu
2022	B	`conf`	SETN: Stock Embedding Enhanced with Textual and Network Information. IEEE Big Data Takehiro Takayanagi, Hiroki Sakaji, Kiyoshi Izumi
2022	B	`conf`	SSAAM: Sentiment Signal-based Asset Allocation Method with Causality Information. IEEE Big Data Rei Taguchi, Hiroki Sakaji, Kiyoshi Izumi
2022	J	`jnl`	STBM+: Advanced Stochastic Trading Behavior Model for Financial Markets using Residual Blocks or Transformers. New Gener. Comput. Masanori Hirano, Kiyoshi Izumi, Hiroki Sakaji
2022	—	`conf`	Transaction Prediction by Using Graph Neural Network and Textual Industry Information. JSAI-isAI Workshops Naoto Minakawa, Kiyoshi Izumi, Hiroki Sakaji, Hitomi Sano
2021	J	`jnl`	Data Combination for Problem-Solving: A Case of an Open Data Exchange Platform. Rev. Socionetwork Strateg. Teruaki Hayashi, Hiroki Sakaji, Hiroyasu Matsushima, Yoshiaki Fukami, Takumi Shimizu, Yukio Ohsawa
2021	—	`conf`	Growing Process of Communities on Data Platforms: Case Analysis of a COVID-19 Dataset. IEEE BigData Teruaki Hayashi, Takumi Shimizu, Yoshiaki Fukami, Hiroki Sakaji, Hiroyasu Matsushima
2021	—	`conf`	Market Trend Analysis Using Polarity Index Generated from Analyst Reports. IEEE BigData Rei Taguchi, Hikaru Watanabe, Masanori Hirano, Masahiro Suzuki, Hiroki Sakaji, Kiyoshi Izumi, Kenji Hiramatsu
2021	—	`conf`	Retrieving of Data Similarity using Metadata on a Data Analysis Competition Platform. IEEE BigData Hiroki Sakaji, Teruaki Hayashi, Yoshiaki Fukami, Takumi Shimizu, Hiroyasu Matsushima, Kiyoshi Izumi
2020	J	`jnl`	Comparing Actual and Simulated HFT Traders' Behavior for Agent Design. J. Artif. Soc. Soc. Simul. Masanori Hirano, Kiyoshi Izumi, Hiroyasu Matsushima, Hiroki Sakaji
2020	J	`jnl`	Contextual Sentiment Neural Network for Document Sentiment Analysis. Data Sci. Eng. Tomoki Ito, Kota Tsubouchi, Hiroki Sakaji, Tatsuo Yamashita, Kiyoshi Izumi
2020	J	`jnl`	Data Combination for Problem-solving: A Case of an Open Data Exchange Platform. CoRR Teruaki Hayashi, Hiroki Sakaji, Hiroyasu Matsushima, Yoshiaki Fukami, Takumi Shimizu, Yukio Ohsawa
2020	—	`conf`	Estimating Manufacturing Activity via Machine Learning Analysis of High-frequency Electricity Demand Patterns. IIAI-AAI Yoshiyuki Suimon, Kiyoshi Izumi, Hiroki Sakaji, Takashi Shimada, Hiroyasu Matsushima
2020	J	`jnl`	Forecasting Net Income Estimate and Stock Price Using Text Mining from Economic Reports. Inf. Masahiro Suzuki, Hiroki Sakaji, Kiyoshi Izumi, Hiroyasu Matsushima, Yasushi Ishikawa
2020	J	`jnl`	GINN: gradient interpretable neural networks for visualizing financial texts. Int. J. Data Sci. Anal. Tomoki Ito, Hiroki Sakaji, Kiyoshi Izumi, Kota Tsubouchi, Tatsuo Yamashita
2020	B	`conf`	Implementation of Real Data for Financial Market Simulation Using Clustering, Deep Learning, and Artificial Financial Market. PRIMA Masanori Hirano, Hiroyasu Matsushima, Kiyoshi Izumi, Hiroki Sakaji
2020	A	`conf`	SSNN: Sentiment Shift Neural Network. SDM Tomoki Ito, Kota Tsubouchi, Hiroki Sakaji, Tatsuo Yamashita, Kiyoshi Izumi
2020	—	`conf`	STBM: Stochastic Trading Behavior Model for Financial Markets. JSAI Masanori Hirano, Hiroyasu Matsushima, Kiyoshi Izumi, Hiroki Sakaji
2020	—	`conf`	Verification of Data Similarity using Metadata on a Data Exchange Platform. IEEE BigData Hiroki Sakaji, Teruaki Hayashi, Kiyoshi Izumi, Yukio Ohsawa
2020	A*	`conf`	Word-Level Contextual Sentiment Analysis with Interpretability. AAAI Tomoki Ito, Kota Tsubouchi, Hiroki Sakaji, Tatsuo Yamashita, Kiyoshi Izumi
2019	—	`conf`	Analysis of the Macroeconomic Uncertainty Based on the News-based Textual Data with Financial Market. IIAI-AAI Kyoto Yono, Kiyoshi Izumi, Hiroki Sakaji, Hiroyasu Matsushima, Takashi Shimada
2019	A*	`conf`	CSNN: Contextual Sentiment Neural Network. ICDM Tomoki Ito, Kota Tsubouchi, Hiroki Sakaji, Kiyoshi Izumi, Tatsuo Yamashita
2019	—	`conf`	Card Price Prediction of Trading Cards Using Machine Learning Methods. NBiS Hiroki Sakaji, Akio Kobayashi, Masaki Kohana, Yasunao Takano, Kiyoshi Izumi
2019	—	`conf`	Causality Existence Classification from Multilingual Texts Using End-to-End LSTM Models. ICDM Workshops Yuta Niki, Hiroki Sakaji, Kiyoshi Izumi, Hiroyasu Matsushima
2019	B	`conf`	Chain Bankruptcy Simulation Considering Investment from Banks to Companies. SMC Ryo Hamawaki, Jun'ichi Ozaki, Kiyoshi Izumi, Takashi Shimada, Hiroki Sakaji, Hiroyasu Matsushima
2019	J	`jnl`	Chain bankruptcy size in inter-bank networks: the effects of asset price volatility and the network structure. J. Comput. Soc. Sci. Ryo Hamawaki, Kiyoshi Izumi, Hiroki Sakaji, Takashi Shimada, Hiroyasu Matsushima
2019	—	`conf`	Economic Causal Chain and Predictable Stock Returns. IIAI-AAI Kei Nakagawa, Shingo Sashida, Hiroki Sakaji, Kiyoshi Izumi
2019	A*	`conf`	Economic Causal-Chain Search Using Text Mining Technology. IJCAI Kiyoshi Izumi, Hiroki Sakaji
2019	—	`conf`	Effectiveness of Uncertainty Consideration in Neural-Network-Based Financial Forecasting. IIAI-AAI Iwao Maeda, Hiroyasu Matsushima, Hiroki Sakaji, Kiyoshi Izumi, David deGraw, Atsuo Kato, Michiharu Kitano
2019	J	`jnl`	Enriching folksonomy for online videos. Int. J. Grid Util. Comput. Hiroki Sakaji, Masaki Kohana, Akio Kobayashi, Hiroyuki Sakai
2019	B	`conf`	Estimation of Tags Using Various Data for Online Videos. AINA Hiroki Sakaji, Akio Kobayashi, Masaki Kohana, Yasunao Takano, Kiyoshi Izumi
2019	—	`conf`	Extraction of Characteristic Terms from Patent Documents for Technical Trend Analysis. IIAI-AAI Kaito Takano, Miryu Tanaka, Hiroyuki Sakai, Ryozo Kitajima, Takahisa Ota, Chinatsu Tanabe, Hiroki Sakaji
2019	—	`conf`	Extraction of Focused Topic and Sentiment of Financial Market by using Supervised Topic Model for Price Movement Prediction. CIFEr Kyoto Yono, Kiyoshi Izumi, Hiroki Sakaji, Hiroyasu Matsushima, Takashi Shimada
2019	—	`conf`	Extraction of Relationship between Japanese and US Interest Rates using Machine Learning Methods. IIAI-AAI Yoshiyuki Suimon, Hiroki Sakaji, Takashi Shimada, Kiyoshi Izumi, Hiroyasu Matsushima
2019	—	`conf`	Extraction of Volitional Utterances from Japanese Local Political Corpus. ICDM Workshops Hiroki Sakaji, Yasutomo Kimura, Kiyoshi Izumi, Hiroyasu Matsushima
2019	J	`jnl`	File Assignment Control for a Web System of Contents Categorization. Trans. Comput. Collect. Intell. Masaki Kohana, Hiroki Sakaji, Akio Kobayashi, Shusuke Okamoto
2019	B	`conf`	Forecasting Crypto-Asset Price Using Influencer Tweets. AINA Hirofumi Yamamoto, Hiroki Sakaji, Hiroyasu Matsushima, Yuki Yamashita, Kyohei Osawa, Kiyoshi Izumi, Takashi Shimada
2019	B	`conf`	Improving Document Similarity Calculation Using Cosine-Similarity Graphs. AINA Yasunao Takano, Yusuke Iijima, Kou Kobayashi, Hiroshi Sakuta, Hiroki Sakaji, Masaki Kohana, Akio Kobayashi
2019	—	`conf`	Japanese long-term interest rate forecast considering the connection between the Japanese and US yield curve. CIFEr Yoshiyuki Suimon, Hiroki Sakaji, Takashi Shimada, Kiyoshi Izumi, Hiroyasu Matsushima
2019	J	`jnl`	Related Stocks Selection with Data Collaboration Using Text Mining. Inf. Masanori Hirano, Hiroki Sakaji, Shoko Kimura, Kiyoshi Izumi, Hiroyasu Matsushima, Shintaro Nagao, Atsuo Kato
2019	—	`conf`	Segment Information Extraction from Financial Annual Reports Using Neural Network. JSAI Tomoki Ito, Hiroki Sakaji, Kiyoshi Izumi
2019	—	`conf`	Short-term Stock Price Prediction by Analysis of Order Pattern Images. CIFEr Atsuki Nakayama, Kiyoshi Izumi, Hiroki Sakaji, Hiroyasu Matsushima, Takashi Shimada, Kenta Yamada
2019	—	`conf`	Stock Price Analysis Using Combination of Analyst Reports and Several Documents. ICDM Workshops Masahiro Suzuki, Toshiya Katagi, Hiroki Sakaji, Kiyoshi Izumi, Yasushi Ishikawa
2019	—	`conf`	The Extraction of the Future-Oriented Sentences from Annual Reports. IIAI-AAI Yoshinori Tanaka, Syunya Kodera, Fumihito Sato, Hiroki Sakaji, Kiyoshi Izumi
2019	—	`conf`	Word-level Sentiment Visualizer for Financial Documents. CIFEr Tomoki Ito, Kota Tsubouchi, Hiroki Sakaji, Tatsuo Yamashita, Kiyoshi Izumi
2018	—	`conf`	A Parallel Calculation Method on Web Browser for Contents Categorization. AINA Workshops Masaki Kohana, Hiroki Sakaji, Akio Kobayashi, Shusuke Okamoto
2018	—	`conf`	Selection of Related Stocks using Financial Text Mining. ICDM Workshops Masanori Hirano, Hiroki Sakaji, Shoko Kimura, Kiyoshi Izumi, Hiroyasu Matsushima, Shintaro Nagao, Atsuo Kato
2018	—	`conf`	Text-Visualizing Neural Network Model: Understanding Online Financial Textual Data. PAKDD (3) Tomoki Ito, Hiroki Sakaji, Kota Tsubouchi, Kiyoshi Izumi, Tatsuo Yamashita
2018	J	`jnl`	Web-based system for Japanese local political documents. Int. J. Web Inf. Syst. Hokuto Ototake, Hiroki Sakaji, Keiichi Takamaru, Akio Kobayashi, Yuzu Uchida, Yasutomo Kimura
2017	B	`conf`	A Distributed Calculation Scheme for Contents Categorization. AINA Masaki Kohana, Hiroki Sakaji, Akio Kobayashi, Shusuke Okamoto
2017	—	`conf`	A Method for Extracting Correct Links from Automatic Created Links on Folksonomy. NBiS Akio Kobayashi, Hiroki Sakaji, Masaki Kohana
2017	—	`conf`	A Topic Trend on P2P Based Social Media. NBiS Masaki Kohana, Hiroki Sakaji, Akio Kobayashi, Shusuke Okamoto
2017	—	`conf`	A Web-Based Visualization System for Interdisciplinary Research Using Japanese Local Political Corpus. NBiS Hokuto Ototake, Hiroki Sakaji, Keiichi Takamaru, Akio Kobayashi, Yuzu Uchida, Yasutomo Kimura
2017	—	`conf`	Development of an Interpretable Neural Network Model for Creation of Polarity Concept Dictionaries. ICDM Workshops Tomoki Ito, Hiroki Sakaji, Kiyoshi Izumi, Kota Tsubouchi, Tatsuo Yamashita
2017	—	`conf`	Development of sentiment indicators using both unlabeled and labeled posts. SSCI Tomoki Ito, Hiroki Sakaji, Kiyoshi Izumi, Kota Tsubouchi, Tatsuo Yamashita
2017	—	`conf`	Discovery of rare causal knowledge from financial statement summaries. SSCI Hiroki Sakaji, Risa Murono, Hiroyuki Sakai, Jason Bennett, Kiyoshi Izumi
2017	—	`conf`	Extracting Laboratory Front Pages from University Websites. NBiS Hiroki Sakaji, Atsuya Miyazaki, Hiroyuki Sakai, Kiyoshi Izumi
2017	—	`conf`	Extraction of sentences concerning business performance forecast and economic forecast from summaries of financial statements by deep learning. SSCI Shiori Kitamori, Hiroyuki Sakai, Hiroki Sakaji
2016	—	`conf`	Creating Japanese Political Corpus from Local Assembly Minutes of 47 prefectures. ALR@COLING Yasutomo Kimura, Keiichi Takamaru, Takuma Tanaka, Akio Kobayashi, Hiroki Sakaji, Yuzu Uchida, Hokuto Ototake, Shigeru Masuyama
2016	—	`conf`	Estimation of Tags via Comments on Nico Nico Douga. NBiS Hiroki Sakaji, Masaki Kohana, Akio Kobayashi, Hiroyuki Sakai
2016	J	`jnl`	Extraction of polarity comments from Nico Nico Douga. Int. J. Space Based Situated Comput. Hiroki Sakaji, Junya Ishibuchi, Hiroyuki Sakai
2015	—	`conf`	Classification of Comments on Nico Nico Douga for Annotation Based on Referred Contents. NBiS Akihito Ikeda, Akio Kobayashi, Hiroki Sakaji, Shigeru Masuyama
2015	—	`conf`	Extracting Polarity Comments from Nico Nico Douga. NBiS Hiroki Sakaji, Junya Ishibuchi, Hiroyuki Sakai
2010	—	`conf`	NTCIR-8 Patent Mining Task at Toyohashi University of Technology. NTCIR Yusuke Suzuki, Hirofumi Nonaka, Hiroki Sakaji, Akio Kobayashi, Hiroyuki Sakai, Shigeru Masuyama
2008	B	`conf`	Automatic Extraction of Basis Expressions That Indicate Economic Trends. PAKDD Hiroki Sakaji, Hiroyuki Sakai, Shigeru Masuyama
2008	—	`conf`	Extracting Causal Knowledge Using Clue Phrases and Syntactic Patterns. PAKM Hiroki Sakaji, Satoshi Sekine, Shigeru Masuyama