Takeshi Sakaki

Profile Information

Affiliation: -
: The University of Tokyo

Researcher number: 00735805
J-GLOBAL ID: 201801008670652490
researchmap Member ID: B000303215

External link: http://tksakaki.com

株式会社ホットリンク開発本部R&D部長
東京大学政策ビジョン研究センター客員研究員

興味分野：
計算社会学，ウェブマイニング，自然言語処理，社会ネットワーク分析

Research Interests

Research Areas

Informatics / Web and service informatics / Computational Social Science

Research History

Apr, 2022 - Present

part-time Lecturer, College of Social Relations Department of Communication and Media Studies, Rikkyo University
Apr, 2015 - Present

VIsiting Researcher (Doctor), Institute for Future Initiatives, The University of Tokyo
Jan, 2015 - Present

the Manager of Research and Development, Development Division, Hottolink, Inc.
Feb, 2014 - Jan, 2015

Post Doctoral Researcher, Graduate School of Engineering, the University of Tokyo
Oct, 2009 - Jan, 2014

Doctor, Graduate School of Engineering, the University of Tokyo
Apr, 2006 - Jul, 2009

民間企業勤務
Apr, 2004 - Mar, 2006

Master, Graduate School of Information Science and Technology, the University of Tokyo

Education

Oct, 2009 - Dec, 2013

Doctor, Technology Management for Innovation, Graduate School of Engineering, the University of Tokyo
Apr, 2004 - Mar, 2006

Master, Information and Communication Science, Graduate School of Information Science and Technology, the University of Tokyo
Apr, 2000 - Mar, 2004

Bachlor，Department of Information and Communication Engineering, Faculty of Engineering, the University of Tokyo

Committee Memberships

Jun, 2020 - Present

編集委員, 人工知能学会
Jan, 2015 - Present

運営委員, Webインテリジェンスとインタラクション研究会
Apr, 2014 - Present

プログラム委員, 日本ソフトウェア科学会ネットワークが創発する知能研究会
Apr, 2015 - Mar, 2021

委員, 人工知能学会ウェブサイエンス研究会
Jun, 2018 - May, 2020

委員長, 電子情報通信学会言語理解とコミュニケーション研究会
Jun, 2017 - May, 2020

英文論文誌（分野D）編集委員, 電子情報通信学会
Jul, 2016 - Jun, 2019

編集委員, 情報処理学会論文誌データベース
Jun, 2016 - May, 2018

幹事, 情報処理学会知能システム研究会
Jun, 2013 - Mar, 2018

幹事団, 電子情報通信学会言語理解とコミュニケーション研究会
Oct, 2015 - Dec, 2015

Program Committee, World Wide Web Conference 2016

Awards

Jun, 2017

特選論文, 鳥海不二夫，榊剛史, 情報処理学会

鳥海不二夫, 榊剛史
Feb, 2017

優秀研究賞（2017年）, 汎用性を志向したWikipediaエントリへの拡張固有表現付与, 電子情報通信学会言語理解とコミュニケーション研究会

榊剛史, 水木栄
May, 2014

優秀研究賞, 「人工知能」の表紙に関するツイートの分析・続報, ウェブインテリジェンスとインタラクション研究会

鳥海不二夫, 榊剛史, 岡崎直観

Papers

Anti-vaccine rabbit hole leads to political representation: the case of Twitter in Japan

Fujio Toriumi, Takeshi Sakaki, Tetsuro Kobayashi, Mitsuo Yoshida

Journal of Computational Social Science, Feb 5, 2024
Construction of Evaluation Datasets for Trend Forecasting Studies

Shogo Matsuno, Sakae Mizuki, Takeshi Sakaki

Proceedings of the International AAAI Conference on Web and Social Media, 17 1041-1051, Jun 2, 2023
Do media events still unite the host nation’s citizens? The case of the Tokyo 2020 Olympic Games

Takeshi Sakaki, Tetsuro Kobayashi, Mitsuo Yoshida, Fujio Toriumi

PLOS ONE, 17(12) e0278911, Dec 12, 2022 Peer-reviewed
Japanese conservative messages propagate to moderate users better than their liberal counterparts on Twitter

Mitsuo Yoshida, Takeshi Sakaki, Tetsuro Kobayashi, Fujio Toriumi

Scientific Reports, 11(1), Dec, 2021
Dense and influential core promotion of daily viral information spread in political echo chambers

Kimitaka Asatani, Hiroko Yamano, Takeshi Sakaki, Ichiro Sakata

Scientific Reports, 11(7491), Apr, 2021 Peer-reviewed
Effective Candidate Selection and Interpretable Interest Extraction for Follower Prediction on Social Media.

Seiji Maekawa, Santi Saeyor, Takeshi Sakaki, Makoto Onizuka

WI-IAT '21: IEEE/WIC/ACM International Conference on Web Intelligence(WI/IAT), 120-127, 2021
Retrospective analysis of controversial topics on COVID-19 in Japan.

Kunihiro Miyazaki, Takayuki Uchiba, Fujio Toriumi, Kenji Tanaka, Takeshi Sakaki

ASONAM '21: International Conference on Advances in Social Networks Analysis and Mining(ASONAM), 510-517, 2021
Constructive Approach for Early Extraction of Viral Spreading Social Issues from Twitter

Shiau Chou Jen, Ochi Masanao, Sakaki Takeshi, Nagahama Ken, Sakai Kanji, Mori Junichiro, Sakata Ichiro

12th ACM Conference on Web Science, 96-105, Jul 6, 2020 Peer-reviewedCorresponding author
Social Emotions Under the Spread of COVID-19 Using Social Media

Fujio Toriumi, Takeshi Sakaki, Mitsuo Yoshida

Transactions of the Japanese Society for Artificial Intelligence, 35(4), Jul, 2020 Peer-reviewed
Improved Advertisement Targeting via Fine-grained Location Prediction using Twitter

Shogo Matsuno, Sakae Mizuki, Takeshi Sakaki

Companion Proceedings of the Web Conference 2020, Apr 20, 2020 Peer-reviewedLast author
o-glassesX: Compiler Provenance Recovery with Attention Mechanism from a Short Code Fragment

Yuhei Otsubo, Akira Otsuka, Mamoru Mimura, Takeshi Sakaki, Hiroshi Ukegawa

Proceedings of the 2020 Workshop on Binary Analysis Research, 2020 Peer-reviewed
o-glasses: Visualizing X86 Code From Binary Using a 1D-CNN.

Yuhei Otsubo, Akira Otsuka, Mamoru Mimura, Takeshi Sakaki

IEEE Access, 8 31753-31763, 2020 Peer-reviewed
Comparative evaluation of two approaches for retweet clustering: A text-based method and graph-based method

Uchida, Kazuki, Toriumi, Fujio, Sakaki, Takeshi

Web Intelligence, 17 1-14, Nov, 2019 Peer-reviewed
Proposal of Information Diffusion Model Focusing on Word-of-mouth Propagation and Validation of Suppressing Methods

池田圭佑, 榊剛史, 鳥海不二夫, 栗原聡

情報処理学会論文誌数理モデル化と応用（TOM）, 11(1) 21-36, Mar, 2018 Peer-reviewed
o-glasses: Visualizing x86 Code from Binary Using a 1d-CNN.

Yuhei Otsubo, Akira Otsuka, Mamoru Mimura, Takeshi Sakaki, Atsuhiro Goto

CoRR, abs/1806.05328, 2018 Peer-reviewed
Evaluation of retweet clustering method classification method using retweets on Twitter without text data

K. Uchida, F. Toriumi, T. Sakaki

Proceedings - 2017 IEEE/WIC/ACM International Conference on Web Intelligence, WI 2017, 187-194, Aug 23, 2017 Peer-reviewed
Topic Analysis for Burst Phenomena

鳥海不二夫, 榊剛史, 榊剛史

情報処理学会論文誌ジャーナル(Web), 58(6) 1287‐1299 (WEB ONLY), Jun, 2017 Peer-reviewed
Traffic Route Extraction Method from Geotagged Tweets

谷直樹, 風間一洋, 榊剛史, 吉田光男, 斉藤和巳

情報処理学会論文誌データベース（TOD）, 10(2) 31-41, Jun, 2017 Peer-reviewed
An Examination of a Novel Information Diffusion Model: Considering of Twitter User and Twitter System Features

Keisuke Ikeda, Takeshi Sakaki, Fujio Toriumi, Satoshi Kurihara

The 6th International Workshop on Emergent Intelligence on Networked Agents, 24-29, May, 2017 Peer-reviewed
The Dynamic Analysis of the Process of Information Diffusion Using Media Exposure Indication

大知正直, 長濱憲, 榊剛史, 森純一郎, 坂田一郎

広報研究 = Corporate communication studies, (20) 35-51, Mar, 2016 Peer-reviewed

Misc.

100

OS-1計算社会科学

榊剛史, 笹原和俊, 高野雅典, 瀧川裕貴, 鳥海不二夫, 吉田光男

人工知能, 36(5) 594-598, Sep, 2021 Invited
Role and Value of the R&D Department in a Private Company

Journal of the Japanese Society for Artificial Intelligence, 36(2) 108-118, Mar 1, 2021
Analysis on Geographic Bias in Private Graphs on Twitter towards SNS Marketing Applications

榊剛史, 松野省吾, 檜野安弘

電子情報通信学会技術研究報告(Web), 121(82(NLC2021 1-5)), 2021
Verifying the impact of user follower composition on the spreadability of SNS posts

MATSUNO Shogo, SANTI Saeyor, SAKAKI Takeshi, HINO Yasuhiro

Proceedings of the Annual Conference of JSAI, 2021 1D4OS3c01-1D4OS3c01, 2021
Construction of spam filter for Twitter social listening and advertising operation

MATSUNO Shogo, MIZUKI Sakae, SAKAKI Takeshi

Proceedings of the Annual Conference of JSAI, 2020 4Rin155-4Rin155, 2020
Evaluation of Generality on Flaming using Community Bias:Analysis of Long Term Multi-Flaming

TORIUMI Fujio, SAKAKI Takeshi

Proceedings of the Annual Conference of JSAI, 2020 2E4OS1a01-2E4OS1a01, 2020
Analysis on incitement degree of media company social media account based on social porn hypothesis

SAKAKI Takeshi SAKAKI, TORIUMI Fujio

Proceedings of the Annual Conference of JSAI, 2020 1L4GS503-1L4GS503, 2020
Transparent Deep Learning Model for Machine Language Instruction Sequence Classification

大坪雄平, 大塚玲, 三村守, 榊剛史

コンピュータセキュリティシンポジウム2019論文集, (2019) 1039-1046, Oct 14, 2019
Feasibility Study of Security Incident Early Detection Using SNS Data

榊剛史, 大坪雄平, 鳥海不二夫

コンピュータセキュリティシンポジウム2019論文集, (2019) 474-481, Oct 14, 2019
Encouragement of Programming for Freshman：4. How to Code that Anyone can Run Anytime, Anywhere

榊剛史

情報処理, 60(6) 498-502, May 15, 2019
ビッグデータ分析の実践にむけて (特集社会調査に携わる人のためのビッグデータ入門)

榊剛史

社会と調査 = Advances in social research, (22) 45-55, Mar, 2019
Proposal of the Method to Construct Landscape Map for Massive Information Propagation on Social Media

SAKAKI Takeshi, TORIUMI Fujio, OCHI Masanao

Proceedings of the Annual Conference of JSAI, 2019 2D4OS1a01-2D4OS1a01, 2019
Resonance Structure of Online Flaming: The Epicenter of Information Sharing on Online Flaming

KOYAMA Kohei, ASATANI Kimitaka, SAKAKI Takeshi, SAKATA Ichiro

Proceedings of the Annual Conference of JSAI, 2019 2E5J602-2E5J602, 2019
Efficient learning in machine language instruction sequence classification by transfer learning

OTSUBO Yuhei, OTSUKA Akira, IWATA Yoshihiro, MIMURA Mamoru, SAKAKI Takeshi

Proceedings of the Annual Conference of JSAI, 2019 2P3J204-2P3J204, 2019
Constructing of the word embedding model by Japanese large scale SNS + Web corpus

MATSUNO Shogo, MIZUKI Sakae, SAKAKI Takeshi

Proceedings of the Annual Conference of JSAI, 2019 4Rin113-4Rin113, 2019
座談会日本機械学会若手の会×AI若手の会若手ネットワークで変化に対応する

榊剛史, 松岡大輔, 吉田光男, 植木洋輔, 石畠正和, 阿部覚, 馬場雪乃

日本機械学会誌 = Journal of the Japan Society of Mechanical Engineers, 121(1198) 4-7, Sep, 2018
Twitterにおける批判的ツイートを含むバースト分析

鳥海不二夫, 内田和輝, 榊剛史, 吉田光男

ネットワークが創発する知能研究会（JWEIN & NetEco 2018）, Aug, 2018
Social issues extraction from social media using context information

久保田修平, 大知正直, 長濱憲, 阪井完二, 榊剛史, 森純一郎, 坂田一郎

人工知能学会全国大会論文集(CD-ROM), 32nd ROMBUNNO.1E3.01, 2018
Finding cultural differences on food using dish descriptions from social media: a comparative study of culinary perceptions and preferences between Japanese and Americans

NAKAMOTO Yukie, OCHI Masanao, SAKAKI Takeshi, MORI Junichiro, SAKATA Ichiro

Proceedings of the Annual Conference of JSAI, 2018 2O2OS24a02-2O2OS24a02, 2018
Analyzing the influence of human personality on SNS community formation

SUZUKI Gaia, OCHI Masanao, SAKAKI Takeshi, SAKATA Ichiro

Proceedings of the Annual Conference of JSAI, 2018 1B302-1B302, 2018

Books and Other Publications

計算社会科学入門 = Introduction to computational social science

鳥海, 不二夫, 石井, 晃, 岡田, 勇, 上東, 貴志, 小林, 哲郎, 榊, 剛史, 笹原, 和俊, 高野, 雅典, 瀧川, 裕貴, 常松, 淳, 三浦, 麻子, 水野, 貴之, 山本, 仁志, 吉田, 光男

丸善出版, Jan, 2021 (ISBN: 9784621305966)
Reconstruction of the Public Sphere in the Socially Mediated Age

Takeshi Sakaki

Springer, 2017
ソーシャルメディアと「世論」形成 : 間メディアが世界を揺るがす

遠藤薫, 西田亮介, 前嶋和弘, 塚越健司, 趙新利, 黄升民, 陳雅賽, 木本玲一, 鳥海不二夫, 榊剛史, 坂野達郎, 津田大介 (Role: Contributor, デマ・流言と炎上―その拡散と収束)

東京電機大学出版局, 2016 (ISBN: 9784501630003)
ソーシャルメディアの経済物理学ウェブから読み解く人間行動

高安美佐子, 高安美佐子 (Role: Contributor, 第2章ブログ分析システム)

日本評論社, Aug, 2012 (ISBN: 4535556784)

Professional Memberships

Research Projects

投稿群・投稿者群を単位するソーシャルメディア上の情報拡散のモデル化に関する研究

科学研究費助成事業若手研究, 若手研究, 日本学術振興会, Apr, 2019 - Mar, 2021

榊剛史
リスク社会におけるメディアの発達と公共性の構造転換～ネットワーク・モデルの比較行動学に基づく理論・実証・シミュレーション分析

課題設定による先導的人文学・社会科学研究推進事業領域開拓プログラム, 日本学術振興会, Oct, 2014 - Sep, 2017

遠藤薫

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Research Interests

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Research History

Education

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Awards

Papers

Misc.

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