Ryozo Kitajima, Ryotaro Kamimura, Hiroyuki Sakai,
Relationship Between Management Policies and Profitability of Manufacturing Companies Listed in the First Section of the Tokyo Stock Exchange (2016 Results),
Information Engineering Express,
vol. 7,
no. 2,
pp.59-69,
2021.
[PDF]
Hiroki Sakaji, Junya Ishibuchi, Hiroyuki Sakai,
Extraction of Polarity Comments from Nico Nico Douga,
International Journal of Space-Based and Situated Computing,
vol.6,
no.3,
pp.165-172,
2016.
Hirofumi Nonaka, Akio Kobayashi, Hiroki Sakaji, Yusuke Suzuki, Hiroyuki Sakai, Shigeru Masuyama,
Extraction of the Effect and the Technology Terms from a Patent Document,
Journal of Japan Industrial Management Associastion,
vol.63,
no.2E,
pp.105-111,
2012.
[PDF]
Hiroyuki Sakai, Shigeru Masuyama,
Assigning Polarity to Causal Information in Financial Articles on Business Performance of Companies,
IEICE Trans. Information and Systems,
vol.E92-D,
no.12,
pp.2341- 2350,
2009.
[PDF]
Hirofumi Nonaka, Hiroyuki Sakai, Shigeru Masuyama, Masazumi Ao, Yutaka Hada,
Development of an automatic ecotechnology patent search method using text mining,
Journal of Ecotechnology Research,
vol.15,
pp.23-26,
2009.
Masanobu Tsuruta, Hiroyuki Sakai, Shigeru Masuyama,
An Informative DOM Subtree Identification Method from Web Pages in Unfamiliar Web Sites,
IEICE Trans. Information and Systems,
vol.ED,
no.4,
pp.986-989,
2008.
[PDF]
Hiroyuki Sakai, Shigeru Masuyama,
Cause Information Extraction from Financial Articles Concerning Business Performance,
IEICE Trans. Information and Systems,
vol.ED,
no.4,
pp.959-968,
2008.
[PDF]
Hiroyuki Sakai, Shigeru Masuyama,
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.
[PDF]
Yuki Kobori, Hiroyuki Sakai, Kengo Enami,
Automatic generation of patent maps by estimating technical problems and solutions using T5,
16th International Congress on Advanced Applied Informatics (IIAI-AAI),
Takamatsu, July, 2024.
Kaito Takano, Miryu Tanaka, Hiroyuki Sakai, Ryozo Kitajima, Takahisa Ota, Chinatsu Tanabe, Hiroki Sakaji,
Extraction of characteristic terms from patent documents for technical trend analysis,
8th International Congress on Advanced Applied Informatics (IIAI-AAI),
Toyama, July, 2019.
Ryozo Kitajima, Ryotaro Kamimura, Hiroyuki Sakai,
Relationship between management policies and profitability for Second Section-listed manufacturing companies of the Tokyo Stock Exchange (2016 results),
8th International Congress on Advanced Applied Informatics (IIAI-AAI),
Toyama, July, 2019.
Ryotaro Kamimura, Ryozo Kitajima, Hiroyuki Sakai,
Local Selective Learning for Interpreting Multi-Layered Neural Networks,
SCIS&ISIS2018 ,
Toyama, December, 2018..
Shiori Kitamori, Hiroyuki Sakai, Hiroki Sakaji,
Extraction of sentences concerning business performance forecast and economic forecast from summaries of financial statements by deep learning,
IEEE Symposium on Computational Intelligence for Financial Engineering & Economics (IEEE CIFEr'17),
Hawaii, November, 2017.
Hiroki Sakaji, Risa Murono, Hiroyuki Sakai, Jason Bennett, Kiyoshi Izumi,
Discovery of Rare Causal Knowledge from Financial Statement Summaries,
IEEE Symposium on Computational Intelligence for Financial Engineering & Economics (IEEE CIFEr'17),
Hawaii, November, 2017.
Hiroki Sakaji, Atsuya Miyazaki, Hiroyuki Sakai, Kiyoshi Izumi,
Extracting Laboratory Front Pages from University Websites,
The 6th International Workshop on Web Services and Social Media (WSSM-2017) In conjunction with The 20th International Conference on NBiS-2017,
2017.
Hiroki Sakaji, Masaki Kohana, Akio Kobayashi, Hiroyuki Sakai,
Estimation of Tags via Comments on Nico Nico Douga,
The 5th International Workshop on Web Services and Social Media In conjunction with the 19th International Conference on NBiS-2016(WSSM-2016),
September, 2016.
Hiroki Sakaji, Junya Ishibuchi, Hiroyuki Sakai,
Extracting Polarity Comments from Nico Nico Douga,
The 4rd International Workshop on Web Services and Social Media In conjunction with the 18th International Conference on NBiS-2015(WSSM-2015),
September, 2015.
Hirofumi Nonaka, Akio Kobayashi, Hiroki Sakaji, Yusuke Suzuki, Hiroyuki Sakai, Shigeru Masuyama,
Extraction of the effect and the technology terms from a patent document,
Proc. IEEE 40th International Conference on Computers and Industrial Engineering (CIE40),
July, 2010.
Akio Kobayashi, Hirofumi Nonaka, Hiroyuki Sakai, Shigeru Masuyama,
An Automatic Thesaurus Construction Method for Technological Terms in Patent Maps,
Proc. IEEE 40th International Conference on Computers and Industrial Engineering (CIE40),
July, 2010.
Hirofumi Nonaka, Yusuke Suzuki, Hiroki Sakaji, Hiroyuki Sakai, Shigeru Masuyama,
Extracting Effect Expressions from Patent Documents,
Proc. of the 25th International Technical Conference of Circuits/Systems, Computers and Communications(ITC-CSCC2010),
pp.729-731,
July, 2010.
Yusuke Suzuki, Hirofumi Nonaka, Akio Kobayashi, Hiroyuki Sakai, Shigeru Masuyama,
Extraction of Technology Terms from Patent Specifications for Technology-Effect Type Patent Map Generation,
Proc. of the 25th International Technical Conference of Circuits/Systems, Computers and Communications(ITC-CSCC2010),
pp.725-728,
July, 2010.
Hiroyuki Sakai, Shigeru Masuyama,
Polarity Assignment to Causal Information Extracted from Financial Articles Concerning Business Performance of Companies,
AI-2008 Twenty-eighth SGAI International Conference on Innovative Techniques and Applications of Artificial Intelligence,
pp.307-320,
Cambridge, England,
December, 2008.
[PDF]
Hirofumi Nonaka, Hiroyuki Sakai, Shigeru Masuyama, Masazumi Ao, Yutaka Hada,
Development of an automatic eco-technology patent search method using text-mining,
Journal of Ecotechnology Research (Proc. 15th Asian Symposium on Ecotechnology),
14,
2,
p.150,
Kanazawa, Japan,
October, 2008.
Hiroki Sakaji, Hiroyuki Sakai, Shigeru Masuyama,
Automatic Extraction of Basis Expressions that Indicate Economic Trends,
Proc. of the 12th Pacific-Asia Conference(PAKDD 2008),
pp.977-984,
Osaka, Japan,
2008.
Hiroyuki Sakai, Shigeru Masuyama,
Extraction of Cause Information from Newspaper Articles Concerning Business Performance,
Proc. of the 4th IFIP Conference on Artificial Intelligence Applications & Innovations (AIAI2007),
pp.205-212,
Athens, Greece,
2007.
[PDF]
Hiroyuki Sakai, Shigeru Masuyama,
A Multiple-Document Summarization System with User Interaction,
Proc. of Coling2004,
II,
pp.1001-1007,
August, 2004.
[PDF]
Hiroyuki Sakai and Shigeru Masuyama,
Unsupervised Knowledge Acquisition about the Deletion Possibility of Adnominal Verb Phrases,
WSQA-2002 (Coling 2002 Post-conference Workshop, Multilingual Summarization and Question Answering 2002),
pp.49-56,
2002.
[PDF]
Hiroyuki Sakai, Kiyonori Ohtake, Shigeru Masuyama,
A Retrieval Support System by Suggesting Terms to a User,
Proc. of ICCPOL2001 (19th International Conference on Computer Processing of Oriental Languages),
pp.77-80,
2001.
Hiroyuki Sakai, Shigeru Masuyama,
A Multiple-Document Summarization System introducing User Interface for reflecting User's Summarization Need,
Working Notes of NTCIR Workshop 4 Meeting,
June, 2004.
Yasuo Nii, Keizo Kawata, Tatsumi Yoshida, Hiroyuki Sakai, Shigeru Masuyama,
Question Answering System QUARK,
Working Notes of NTCIR Workshop 4 Meeting,
June, 2004.
Masanobu Tsuruta, Yoshiyuki Umemura, Hiroyuki Sakai, Shigeru Masuyama,
A Web Search Result Classification System based on the Degree of Suitability for Specialists,
Working Notes of NTCIR Workshop 4 Meeting,
June, 2004.
Hiroyuki Sakai, Shigeru Masuyama,
Unsupervised acquisition of knowledge about the abbreviation possibility of some of multiple phrases modifying the same verb/noun,
Online Proc. NTCIR Workshop 3 Meeting,
2003,
http://research.nii.ac.jp/ntcir/workshop/OnlineProceedings3/index.html.
Keizo Kawata, Hiroyuki Sakai, Shigeru Masuyama,
QUARK: A question and answering system using newspaper corpus as a knowledge source,
Online Proc. NTCIR Workshop 3 Meeting,
2003,
http://research.nii.ac.jp/ntcir/workshop/OnlineProceedings3/index.html.
Hiroyuki Sakai, Kiyonori Ohtake, Shigeru Masuyama,
On Retrieval Support System by Suggesting Terms to a User,
Proc. NTCIR Workshop 2 Meeting,
pp.222-226,
2001.