Yasuaki Sakamoto

AXA Direct Japan

Data Scientist

Japan

SCHOLARLY PAPERS

24

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CITATIONS
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Top 15,507

in Total Papers Citations

46

Scholarly Papers (24)

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1.

Toward a Social-Technological System that Inactivates False Rumors Through the Critical Thinking of Crowds

Proceedings of the 46th Hawaii International Conference on System Sciences (HICSS-46), 649-658
Number of pages: 10 Posted: 22 Sep 2012 Last Revised: 03 Apr 2013
Yuko Tanaka, Yasuaki Sakamoto and Toshihiko Matsuka
National Institute of Informatics, AXA Direct Japan and Chiba University
Downloads 707 (34,983)

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Information transmission, rumor, critical thinking, crowd, social-technological system, psychology

2.

Transmission of Rumor and Criticism in Twitter after the Great Japan Earthquake

Annual Meeting of the Cognitive Science Society, p. 2387, 2012
Number of pages: 6 Posted: 22 Sep 2012
Yuko Tanaka, Yasuaki Sakamoto and Toshihiko Matsuka
National Institute of Informatics, AXA Direct Japan and Chiba University
Downloads 547 (49,112)

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Rumor, criticism, disaster, social media, technology, communication

3.

The Influence of Collective Opinion on True-False Judgment and Information-Sharing Decision

Howe School Research Paper No. 2013–8
Number of pages: 11 Posted: 03 Feb 2013 Last Revised: 01 Aug 2013
Huaye Li and Yasuaki Sakamoto
Stevens Institute of Technology - School of Business and AXA Direct Japan
Downloads 499 (55,134)
Citation 2

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Collective opinion, true-false judgment, information-sharing decision, social media, social influence

4.

Collective Creativity: Where We Are and Where We Might Go

Proceedings of Collective Intelligence 2012 (CI2012)
Number of pages: 8 Posted: 10 Apr 2012
Lixiu Yu, Jeffrey V. Nickerson and Yasuaki Sakamoto
Carnegie Mellon University, Stevens Institute of Technology - School of Business and AXA Direct Japan
Downloads 475 (58,730)

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crowdsourcing, collective intelligence, creativity, innovation, review

5.

Perspective Matters: Sharing of Crisis Information in Social Media

Hawaii International Conference on System Sciences, 2013
Number of pages: 9 Posted: 22 Sep 2012 Last Revised: 23 Feb 2013
Rongjuan Chen and Yasuaki Sakamoto
Stevens Institute of Technology - School of Business and AXA Direct Japan
Downloads 460 (61,113)

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Information sharing, social media, perspective taking, crisis management, feeling

6.

Crowdsourcing Creativity: Combining Ideas in Networks

Workshop on Information in Networks, 2010
Number of pages: 4 Posted: 14 Oct 2012
Jeffrey V. Nickerson and Yasuaki Sakamoto
Stevens Institute of Technology - School of Business and AXA Direct Japan
Downloads 420 (68,187)

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crowd sourcing, collective intelligence, creativity, idea generation, brainstorming

7.

The Impact of Collective Opinion on Online Judgment

Proceedings of the 32nd Annual Conference of the Cognitive Science Society (pp. 1869-1874). Austin, TX: Cognitive Science Society, August 2010
Number of pages: 6 Posted: 24 Sep 2012
Yasuaki Sakamoto
AXA Direct Japan
Downloads 242 (125,534)

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Collective opinion, online judgment, social influence, anchoring and adjustment

8.

Following Trendsetters: Collective Decisions in Online Social Networks

Hawaii International Conference on System Sciences, January 2012
Number of pages: 10 Posted: 22 Sep 2012
Yasuaki Sakamoto
AXA Direct Japan
Downloads 228 (133,203)

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Collective decisions, trendsetters, followers, social network analysis, online communities

9.

The Impact of Posting URLs in Disaster-Related Tweets on Rumor Spreading Behavior

Proceedings of the 47th Hawaii International Conference on System Sciences (HICSS-47) 2014, Forthcoming
Number of pages: 10 Posted: 24 Sep 2013
Yuko Tanaka, Yasuaki Sakamoto and Hidehito Honda
National Institute of Informatics, AXA Direct Japan and National Food Research Institute (NFRI)
Downloads 211 (143,483)

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rumor, social media, disaster, decision making

10.

Testing Tournament Selection in Creative Problem Solving Using Crowds

Thirty Second International Conference on Information Systems, December 2011
Number of pages: 17 Posted: 09 Apr 2012
Yasuaki Sakamoto and Jin Bao
AXA Direct Japan and Stevens Institute of Technology - School of Business
Downloads 200 (150,838)

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Creative problem solving, crowd-based genetic algorithms, evaluation

11.

Conceptual Combination versus Critical Combination: Devising Creative Solutions Using the Sequential Application of Crowds

Annual Meeting of the Cognitive Science Society
Number of pages: 6 Posted: 21 Sep 2012
Yuko Tanaka, Yasuaki Sakamoto and Takashi Kusumi
National Institute of Informatics, AXA Direct Japan and Kyoto University
Downloads 180 (166,163)

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creativity, wisdom of crowds, collective intelligence, critical thinking

12.

Ensembles of Crowds and Computers: Experiments in Forecasting

Stevens Institute of Technology School of Business Research Paper No. 2015–54
Number of pages: 46 Posted: 14 Oct 2015 Last Revised: 14 Dec 2015
Germán G. Creamer, Yong Ren, Yasuaki Sakamoto and Jeffrey V. Nickerson
Stevens Institute of Technology, School of Business, Stevens Institute of Technology - School of Business, AXA Direct Japan and Stevens Institute of Technology - School of Business
Downloads 176 (169,536)

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Human machine ensembles, forecasting, Delphi method, crowdsourcing, machine learning

13.

Evaluating Design Solutions Using Crowds

Seventeenth Americas Conference on Information Systems, August 4th-7th 2011, Detroit, Michigan, Howe School Research Paper No. 2013-5
Number of pages: 10 Posted: 16 Jan 2013 Last Revised: 19 Mar 2013
Jin Bao, Yasuaki Sakamoto and Jeffrey V. Nickerson
Stevens Institute of Technology - School of Business, AXA Direct Japan and Stevens Institute of Technology - School of Business
Downloads 173 (172,136)
Citation 10

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crowdsourcing, creativity, human-based genetic algorithms, evaluation, Mechanical Turk

14.

The Psychology Behind People's Decision to Forward Disaster-Related Tweets

Howe School Research Paper No. 2014-36
Number of pages: 15 Posted: 30 Jul 2014
Huaye Li, Yasuaki Sakamoto, Rongjuan Chen and Yuko Tanaka
Stevens Institute of Technology - School of Business, AXA Direct Japan, Stevens Institute of Technology - School of Business and National Institute of Informatics
Downloads 142 (203,187)
Citation 3

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Information spread, Forwarding behavior, Social media, Disaster response

15.

Rumors on Social Media During Emergencies

Howe School Research Paper No. 2014-37
Number of pages: 8 Posted: 30 Jul 2014
Yasuaki Sakamoto, Huaye Li and Yuko Tanaka
AXA Direct Japan, Stevens Institute of Technology - School of Business and National Institute of Informatics
Downloads 140 (205,517)

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social media, disaster response, rumor, veracity, crowdsourcing

16.

The Benefit of Imitating Particular Individuals

Downloads 137 (209,170)

The Benefit of Imitating Particular Individuals

Number of pages: 6 Posted: 24 Sep 2012
Yasuaki Sakamoto and Hongyuan Shi
AXA Direct Japan and Stevens Institute of Technology - School of Business
Downloads 128 (221,494)

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Innovation and imitation, social learning, influence, trust, search

The Benefit of Imitating Particular Individuals

Howe School Research Paper No. 2013-12
Number of pages: 7 Posted: 19 Jun 2013
Yasuaki Sakamoto and Hongyuan Shi
AXA Direct Japan and Stevens Institute of Technology - School of Business
Downloads 9 (610,213)

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Innovation and imitation, computational modeling, social learning, search

17.

Feelings and Perspective Matter: Sharing of Crisis Information in Social Media

Howe School Research Paper No. 2013-20
Number of pages: 11 Posted: 04 Oct 2013
Rongjuan Chen and Yasuaki Sakamoto
Stevens Institute of Technology - School of Business and AXA Direct Japan
Downloads 133 (214,252)

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18.

Discovering Context: Classifying Tweets Through a Semantic Transform Based on Wikipedia

FOUNDATIONS OF AUGMENTED COGNITION: DIRECTING THE FUTURE OF ADAPTIVE SYSTEMS, HCI International July 9-14, 2011, Orlando, FL
Number of pages: 10 Posted: 17 Apr 2012
Yegin Genc, Yasuaki Sakamoto and Jeffrey V. Nickerson
Stevens Institute of Technology - School of Business, AXA Direct Japan and Stevens Institute of Technology - School of Business
Downloads 128 (220,720)

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text classification, Wikipedia, semantics, context, cognition, latent semantic analysis

19.

Crowdsourced Idea Generation: The Effect of Exposure to an Original Idea

Downloads 123 (226,107)
Citation 5

Crowdsourced Idea Generation: The Effect of Exposure to an Original Idea

Howe School Research Paper No. 2013-16
Number of pages: 10 Posted: 01 Sep 2013
Kai Wang, Jeffrey V. Nickerson and Yasuaki Sakamoto
Kean University, Stevens Institute of Technology - School of Business and AXA Direct Japan
Downloads 118 (235,742)
Citation 4

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Crowdsourcing, idea exposure, idea generation, creativity, semantic similarity

Crowdsourced Idea Generation: The Effect of Exposure to an Original Idea

Wang, K., Nickerson, J.V., Sakamoto, Y. (2018) Crowdsourced Idea Generation: The Effect of Exposure to an Original Idea, Creativity and Innovation Management. 27, 2, 117-234.
Number of pages: 28 Posted: 04 May 2018 Last Revised: 21 Sep 2018
Kai Wang, Jeffrey V. Nickerson and Yasuaki Sakamoto
Kean University, Stevens Institute of Technology - School of Business and AXA Direct Japan
Downloads 5 (638,618)

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20.

Combating Rumor Spread on Social Media: The Effectiveness of Refutation and Warning

Stevens Institute of Technology School of Business Research Paper No. 2015-44
Number of pages: 10 Posted: 14 Feb 2015 Last Revised: 06 Sep 2015
Pinar Ozturk, Huaye Li and Yasuaki Sakamoto
Stevens Institute of Technology - School of Business, Stevens Institute of Technology - School of Business and AXA Direct Japan
Downloads 105 (254,982)
Citation 1

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21.

News and Sentiment Analysis of the European Market with a Hybrid Expert Weighting Algorithm

Social Computing (SocialCom), 2013 ASE/IEEE International Conference on , pp.391-396
Number of pages: 6 Posted: 27 Jan 2014
Germán G. Creamer, Yong Ren, Yasuaki Sakamoto and Jeffrey V. Nickerson
Stevens Institute of Technology, School of Business, Stevens Institute of Technology - School of Business, AXA Direct Japan and Stevens Institute of Technology - School of Business
Downloads 91 (280,146)

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Computational finance, text analysis, crowdsourcing, cognitive modeling, machine learning

22.

Computing the Veracity of Information Through Crowds: A Method for Reducing the Spread of False Messages on Social Media

Stevens Institute of Technology School of Business Research Paper No. 2015-43
Number of pages: 11 Posted: 14 Feb 2015 Last Revised: 11 Sep 2015
Huaye Li and Yasuaki Sakamoto
Stevens Institute of Technology - School of Business and AXA Direct Japan
Downloads 63 (346,161)
Citation 1

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23.

Increasing the Crowd's Capacity to Create: How Alternative Generation Affects the Diversity, Relevance and Effectiveness of Generated Ads

Ren, J., Nickerson, J. V., Mason, W., Sakamoto, Y. and Graber, B. "Increasing the Crowd’s Capacity to Create: How Alternative Generation Affects the Diversity, Relevance and Effectiveness of Generated Ads", Decision Support Systems, special issue on "Social Decision Making and Crowdsourcing", Forthc
Number of pages: 34 Posted: 26 Nov 2013 Last Revised: 11 Dec 2013
Jie Ren, Jeffrey V. Nickerson, Winter Mason, Yasuaki Sakamoto and Bruno Graber
Fordham University, Stevens Institute of Technology - School of Business, Facebook, AXA Direct Japan and Stevens Institute of Technology - School of Business
Downloads 46 (399,945)

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creativity, human based genetic algorithms, advertisement, crowdsourcing, design, evolutionary computing

24.

A Textual Analysis Algorithm for the Equity Market: The European Case

The Journal of Investing, 25 (3) 105-116; DOI: doi/10.3905/joi.2016.25.3.105, 2016
Number of pages: 20 Posted: 07 Feb 2019
Germán G. Creamer, Yong Ren, Yasuaki Sakamoto and Jeffrey V. Nickerson
Stevens Institute of Technology, School of Business, Stevens Institute of Technology - School of Business, AXA Direct Japan and Stevens Institute of Technology - School of Business
Downloads 27 (479,710)

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Computational finance, text analysis, crowdsourcing, cognitive modeling, machine learning