Hiroyuki Sakai

(酒井浩之)

Profile Information

Affiliation: Professor, Faculty of Science and Technology Department of Science and Technology , Seikei University

Degree: Master(Engineering)(Toyohashi University of Technology)

J-GLOBAL ID: 200901074063121489
researchmap Member ID: 5000031733

External link: https://hawk.st.seikei.ac.jp/sakai/

Research Interests

Research Areas

Informatics / Intelligent informatics / 自然言語処理

Research History

Apr, 2014 - Mar, 2021

Faculty of Science and Technology, Department of Computer and Information Science, Seikei University
Apr, 2012 - Mar, 2014

Faculty of Science and Technology, Department of Computer and Information Science, Seikei University
Apr, 2010 - Mar, 2012

Toyohashi University of Technology
Apr, 2007 - Mar, 2010

Toyohashi University of Technology
Jun, 2005 - Mar, 2007

Toyohashi University of Technology

Education

Apr, 2002 - Mar, 2005

Toyohashi University of Technology
Apr, 2000 - Mar, 2002

Toyohashi University of Technology
- 2002

Department of Knowledge-based Information Engineering, Graduate School, Division of Engineering, Toyohashi University of Technology
Apr, 1998 - Mar, 2000

Faculty of Engineering, Toyohashi University of Technology
- 2000

Department of Knowledge-based Information Engineering, Faculty of Engineering, Toyohashi University of Technology

Papers

Automatic Generation of Patent Maps by Estimating Technical Problems and Solutions Using T5

Yuki Kobori, Hiroyuki Sakai, Kengo Enami

2024 16th IIAI International Congress on Advanced Applied Informatics (IIAI-AAI), 21 237-242, Jul 6, 2024 Peer-reviewed
Automatic Evaluation of Integrated Reports with Interpretability

Kohei Kawamura, Hiroyuki Sakai, Kengo Enami, Kaito Takano, Kei Nakagawa

Transactions of the Japanese Society for Artificial Intelligence, 39(4) FIN23-E_1, Jul 1, 2024 Peer-reviewed
Discovery of Rare Causal Knowledge from Financial Statement Summaries.

Hiroki Sakaji, Jason Bennett, Risa Murono, Kiyoshi Izumi, Hiroyuki Sakai 0003

CoRR, abs/2408.01748, 2024
Automatic Generation of Sentences Expressing Stock Price Trends Using Stock Prices and Earnings Reports

Ryu NEGISHI, Hiroyuki SAKAI, Kengo ENAMI

Journal of Japan Society for Fuzzy Theory and Intelligent Informatics, 35(3) 693-699, Aug 15, 2023 Peer-reviewed
Automatic Construction of Financial Sentiment Lexicons on Bond Market

Kota IMAI, Hiroyuki SAKAI, Kengo ENAMI, Shintaro INAGAKI

Journal of Japan Society for Fuzzy Theory and Intelligent Informatics, 34(4) 673-682, Nov 15, 2022 Peer-reviewed

Misc.

金融・経済ドメインを対象とした言語処理

坂地泰紀, 和泉潔, 酒井浩之

自然言語処理 = Journal of natural language processing, 27(4) 951-955, Dec, 2020
Extraction of causal and complementary information for generating market analysis comments by automatic generation of training data

酒井浩之, 坂地泰紀, 和泉潔, 松井藤五郎, 入江圭太郎

人工知能学会全国大会(Web), 34th, 2020
金融情報学:ファイナンスにおける人工知能応用

関和広, 水田孝信, 八木勲, 落合友四郎, 酒井浩之, 和泉潔

人工知能, 32(6) 905‐910, Nov 1, 2017
Determination of unexpectedness of cause-result expressions extracted from summary of financial statements

117(207) 93-98, Sep 7, 2017
Extraction of causal information from summaries of financial statements

117(207) 87-91, Sep 7, 2017

Presentations

A Multiple-Document Summarization System with User Interaction

Proc. of the 20th International Conference on Computational Linguistics (Coling-04), 2004
コーパスからの名詞と略語の対応関係の自動獲得

言語処理学会第９回年次大会発表, 2003
連体修飾表現の省略可能性に関するコーパスからの知識獲得

言語処理学会第８回年次大会, 2002
省略可能な2重修飾表現の教師なし学習による自動獲得

情報処理学会研究報告 NL-150, 2002
Unsupervised acquisition of knowledge about the abbreviation possibility of some of multiple phrases modifying the same verb/noun

Third NTCIR Workshop Meeting, 2002
Unsupervised Knowledge Acquisition about the Deletion Possibility of Adnominal Verb Phrases

WSQA-2002(Coling 2002 Post-conference Workshop, Multilingual Summarization and Question Answering2002), 2002
Unsupervised Knowledge Acquisition about the Deletion Possibility of Adnominal Verb Phrases

Proc. of WSQA-2002(Coling 2002 Post-conference Workshop, Multilingual Summarization and Question Answering2002), 2002
On Retrieval Support System by Suggesting Terms to a User

the Second NTCIR Workshop Meeting, 2001
A Retrieval Support System by Suggesting Terms to a User

ICCPOL2001 (19th International Conference on Computer Processing of Oriental Languages), 2001
A Retrieval Support System by Suggesting Terms to a User

Proc. of ICCPOL2001 (19th International Conference on Computer Processing of Oriental Languages), 2001

Teaching Experience

Professional Memberships

Research Projects

Company search system for employment support by using financial statements and web information

Grants-in-Aid for Scientific Research, Japan Society for the Promotion of Science, 2015 - 2018

Sakai Hiroyuki
Automatic Generation of Patentmaps from Patent Documents by Extraction of Expressions using Bootstrapping

Grants-in-Aid for Scientific Research, Japan Society for the Promotion of Science, 2010 - 2012

MASUYAMA Shigeru, SAKAI Hiroyuki
Development of the method of extracting causal expressions from Japanese financial articles concerning business performance and analyzing them for supporting decision on investment

Grants-in-Aid for Scientific Research(若手研究(B)), Ministry of Education, Culture, Sports, Science and Technology, 2009 - 2011

Hiroyuki SAKAI
Simultaneous interpreting system based on segmentation, translation and connection of spoken sentences

Grants-in-Aid for Scientific Research, Japan Society for the Promotion of Science, 2008 - 2010

INAGAKI Yasuyoshi, MATSUBARA Shigeki
Research on the use of information by using large-scale information sources

The Other Research Programs, 2005 - 2010

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