Hiroyuki Sakai

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

Extraction of Important Pages of Shareholder Convocation Notices Using Deep Learning by Automatic Generation of Training Data

Kaito Takano, Hiroyuki Sakai, Kei Nakagawa

Transactions of the Japanese Society for Artificial Intelligence, 36(1) WI2-G_1, Jan 1, 2021 Peer-reviewed

Extraction of causal and complementary information for generating market analysis comments by automatic generation of training data

SAKAI Hiroyuki, SAKAJI Hiroki, IZUMI Kiyoshi, MATSUI Tohgoroh, IRIE Keitaro

Proceedings of the Annual Conference of JSAI, 2020 1D3GS1303-1D3GS1303, 2020

有価証券報告書からの事業セグメント付与された業績要因文・業績結果文の抽出

高野海斗, 酒井浩之, 北島良三

人工知能学会論文誌, 34(5) 1-22, Sep, 2019 Peer-reviewed

Automatic generation of market analysis comments by using relevant articles

SAKAI Hiroyuki, SAKAJI Hiroki, IZUMI Kiyoshi, MATSUI Tohgoroh, IRIE Keitaro

JSAI Technical Report, Type 2 SIG, 2019(FIN-022) 61, Mar 3, 2019

Extraction of causal and performance result information belong to business segments from securities reports

Kaito Takano, Hiroyuki Sakai, Ryozo Kitajima

Transactions of the Japanese Society for Artificial Intelligence, 34(5), 2019

Extraction of causal information from summaries of financial statements by automatic generation of training data

31(2) 653-661, 2019 Peer-reviewed

潜在学習による企業トップメッセージと収益性の関係解析

北島良三, 酒井浩之, 上村龍太郎

日本知能情報ファジィ学会誌, 2019 Peer-reviewed

Extraction of Relevant Companies from Multiple Companies and Classification Based on Business

2019 Peer-reviewed

Enriching folksonomy for online videos

Hiroki Sakaji, Masaki Kohana, Akio Kobayashi, Hiroyuki Sakai

International Journal of Grid and Utility Computing, 10(3) 258-264, 2019 Peer-reviewed

Automatic generation of market analysis comments from financial articles

SAKAI Hiroyuki, SAKAJI Hiroki, IZUMI Kiyoshi, MATSUI Tohgoroh, IRIE Keitaro

JSAI Technical Report, Type 2 SIG, 2018(FIN-020) 44, Mar 20, 2018

Extraction of sentences concerning business performance forecast and economic forecast from summaries of financial statements by deep learning

Shiori Kitamori, Hiroyuki Sakai, Hiroki Sakaji

2017 IEEE Symposium Series on Computational Intelligence, SSCI 2017 - Proceedings, 2018- 1-7, Feb 2, 2018 Peer-reviewed

Discovery of rare causal knowledge from financial statement summaries

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

2017 IEEE Symposium Series on Computational Intelligence, SSCI 2017 - Proceedings, 2018- 1-7, Feb 2, 2018 Peer-reviewed

Extracting Laboratory Front Pages from University Websites

Hiroki Sakaji, Atsuya Miyazaki, Hiroyuki Sakai, Kiyoshi Izumi

ADVANCES IN NETWORK-BASED INFORMATION SYSTEMS, NBIS-2017, 7 1117-1125, 2018

A system for classifying proposals and estimating start pages stated in notice of annual meeting of shareholders

Kaito Takano, Hiroyuki Sakai, Hiroki Sakaji, Kiyoshi Izumi

Journal of Natural Language Processing, 25(1) 3-32, 2018 Peer-reviewed

Financial Informatics : AI Application in Finance

Journal of the Japanese Society for Artificial Intelligence, (32) 905-910, Nov 1, 2017

Estimation of Starting Pages for Each Agenda Item Stated in Notice of Annual Meeting of Shareholders

TAKANO Kaito, SAKAI Hiroyuki, SAKAJI Hiroki, IZUMI Kiyoshi, OKADA Nana, MIZUUCHI Toshikazu

JSAI Technical Report, Type 2 SIG, 2017(FIN-018) 10, Mar 10, 2017

Estimation of Tags via Comments on Nico Nico Douga

Hiroki Sakaji, Masaki Kohana, Akio Kobayashi, Hiroyuki Sakai

PROCEEDINGS OF 2016 19TH INTERNATIONAL CONFERENCE ON NETWORK-BASED INFORMATION SYSTEMS (NBIS), 550-553, 2016 Peer-reviewed

決算短信PDFからの業績予測文の抽出

北森詩織, 酒井浩之, 坂地泰紀

電子情報通信学会論文誌, J100-D(2) 150-161, 2016 Peer-reviewed

Extraction of Polarity Comments from Nico Nico Douga

Hiroki Sakaji, Junya Ishibuchi, Hiroyuki Sakai

International Journal of Space-Based and Situated Computing, 6(3) 165-172, 2016 Peer-reviewed

決算短信PDFからの原因・結果表現の抽出

坂地泰紀, 酒井浩之, 増山繁

電子情報通信学会論文誌D, J98-D(5) 811-822, May, 2015 Peer-reviewed

Extraction of causal information from PDF files of the summary of financial statements of companies

Hiroyuki Sakai, Hiroko Nishizawa, Shogo Matsunami, Hiroki Sakaji

Transactions of the Japanese Society for Artificial Intelligence, 30(1) 172-182, Jan 6, 2015 Peer-reviewed

Extracting Polarity Comments from Nico Nico Douga

Hiroki Sakaji, Junya Ishibuchi, Hiroyuki Sakai

PROCEEDINGS 2015 18TH INTERNATIONAL CONFERENCE ON NETWORK-BASED INFORMATION SYSTEMS (NBIS 2015), 669-672, 2015 Peer-reviewed

企業の決算短信PDFからの業績要因の抽出

酒井浩之, 西沢裕子, 松並祥吾, 坂地泰紀

人工知能学会論文誌, 30(1) 172-182, Jan, 2015 Peer-reviewed

Important Causal Information Extraction from Japanese Financial Articles Concerning Business Performance of Companies

SAKAI Hiroyuki, MASUYAMA Shigeru

The IEICE transactions on information and systems (Japanese edition), 96(11) 2866-2870, Nov, 2013 Peer-reviewed

Extraction of the Effect and the Technology Terms from a Patent Document

Hirofumi Nonaka, Akio Kobayashi, Hiroki Sakaji, Yusuke Suzuki, Hiroyuki Sakai, Shigeru Masuyama

Journal of Japan Industrial Management Associastion, 63 105-111, 2012 Peer-reviewed

A Polarity Assignment Method to Basis Expressions of Economic Trends Extracted from Economic Newspaper Articles

TANIGUCHI Shota, SAKAJI Hiroki, SAKAI Hiroyuki, MASUYAMA Shigeru

The IEICE transactions on information and systems (Japanese edetion), 94(6) 1039-1043, Jun, 2011 Peer-reviewed

Cross-Bootstrapping: An Automatic Extraction Method of Solution-Effect Expressions from Patent Documents

SAKAJI Hiroki, NONAKA Hirofumi, SAKAI Hiroyuki, MASUYAMA Shigeru

The IEICE transactions on information and systems (Japanese edetion), 93(6) 742-755, Jun, 2010 Peer-reviewed

An automatic thesaurus construction method for technological terms in patent maps

Akio Kobayashi, Hirofumi Nonaka, Shigeru Masuyama, Hiroyuki Sakai

40th International Conference on Computers and Industrial Engineering: Soft Computing Techniques for Advanced Manufacturing and Service Systems, CIE40 2010, 2010 Peer-reviewed

Extraction of correspondences between questions and answers from web message boards

Yusuke Suzuki, Hayato Yokota, Hiroyuki Sakai, Shigeru Masuyama

Transactions of the Japanese Society for Artificial Intelligence, 25(1) 168-173, 2010 Peer-reviewed

Assigning Polarity to Causal Information in Financial Articles on Business Performance of Companies

Hiroyuki Sakai, Shigeru Masuyama

IEICE TRANSACTIONS ON INFORMATION AND SYSTEMS, E92D(12) 2341-2350, Dec, 2009 Peer-reviewed

Extraction of Information on the Technical Effect from a Patent Document

Sakai Hiroyuki, Nonaka Hirohumi, Masuyama Shigeru

Transactions of the Japanese Society for Artificial Intelligence, 24(6) 531-540, 2009

Polarity Assignment to Causal Information Extracted from Financial Articles Concerning Business Performance of Companies

Hiroyuki Sakai, Shigeru Masuyama

RESEARCH AND DEVELOPMENT IN INTELLIGENT SYSTEMS XXV, 307-320, 2009 Peer-reviewed

テキストマイニングを用いた判例文書の分類および情報抽出

野中尋史, 酒井浩之, 増山繁

情報ネットワークローレビュー, 8 74-85, 2009 Peer-reviewed

An informative DOM subtree indentification method from web pages in unfamiliar web sites

Masanobu Tsurutata, Hiroyuki Sakai, Shigeru Masuyama

IEICE TRANSACTIONS ON INFORMATION AND SYSTEMS, E91D(4) 986-989, Apr, 2008 Peer-reviewed

Cause information extraction from financial articles concerning business performance

Hiroyuki Sakai, Shigeru Masuyama

IEICE TRANSACTIONS ON INFORMATION AND SYSTEMS, E91D(4) 959-968, Apr, 2008 Peer-reviewed

Automatic extraction of basis expressions that indicate economic trends

Hiroki Sakaji, Hiroyuki Sakai, Shigeru Masuyama

ADVANCES IN KNOWLEDGE DISCOVERY AND DATA MINING, PROCEEDINGS, 5012 977-984, 2008 Peer-reviewed

Extraction of cause information from newspaper articles concerning business performance

Hiroyuki Sakai, Shigeru Masuyama

ARTIFICIAL INTELLIGENCE AND INNOVATIONS 2007: FROM THEORY TO APPLICATIONS, 205-+, 2007 Peer-reviewed

Research on Automatic Generation of Presentation Slides from a LATEX Manuscript of a Paper

MIYAMOTO Masato, SAKAI Hiroyuki, MASUYAMA Shigeru

Journal of Japan Society for Fuzzy Theory and Intelligent Informatics, 18(5) 752-760, Oct, 2006 Peer-reviewed

Extraction of Expressions concerning Accident Cause contained in Articles on Traffic Accidents

SAKAI HIROYUKI, UMEMURA SHOUJI, MASUYAMA SHIGERU

Journal of natural language processing, 13(4) 99-124, 2006 Peer-reviewed

A Multiple-Document Summarization System Introducing User Interaction for Reflecting User's Summarization Needs

SAKAI Hiroyuki, MASUYAMA Shigeru

Journal of Japan Society for Fuzzy Theory and Intelligent Informatics, 18(2) 265-279, 2006

可読性の向上を目的とした片仮名表記外来語の換言知識獲得

吉田辰巳, 遠間雄二, 増山繁, 酒井浩之

電子情報通信学会論文誌D-II, J88-D-II 1237-1245, 2005 Peer-reviewed

略語とその原型語との対応関係のコーパスからの自動獲得手法の改良

酒井浩之, 増山繁

自然言語処理, 12(4) 207-231, 2005 Peer-reviewed

Knowledge Acquisition about the Deletion Possibility of Adnominal Verb Phrases

SAKAI Hiroyuki, MASUYAMA Shigeru

The transactions of the Institute of Electronics, Information and Communication Engineers. D-II, 87(8) 1641-1652, Aug, 2004 Peer-reviewed

A multiple-document summarization system with user interaction

Hiroyuki Sakai, Shigeru Masuyama

COLING 2004 - Proceedings of the 20th International Conference on Computational Linguistics, 2004

動詞連体修飾節の省略可能性に関するコーパスからの知識獲得

電子情報通信学会論文誌D-II, vol.J87-D-II, no.8, pp.1641--1652, 2004

A statistical method for acquiring knowledge about the abbreviation possibility of some of multiple adnomial phrases

IEICE Transactions on Information and Systems, vol.E86-D, no.9, pp.1710-1718, 2003 Peer-reviewed

Knowledge Acquisition of Relation between Abbreviations and Their Original Words

SAKAI Hiroyuki, MASUYAMA Shigeru

The transactions of the Institute of Electronics, Information and Communication Engineers. D-II, 85(10) 1624-1628, Oct, 2002 Peer-reviewed

Knowledge Acquisition about the Abbreviation Possibility of Verb Phrases

SAKAI HIROYUKI, SHINOHARA NAOTSUGU, MASUYAMA SHIGERU, YAMAMOTO KAZUHIDE

Journal of Natural Language Processing, 9(3) 41-62, Jul, 2002 Peer-reviewed

Papers

Menu

Coauthors