Université de Fribourg

OpenCrowd : A Human-AI Collaborative Approach for Finding Social Influencers via Open-Ended Answers Aggregation

Arous, Ines ; Yang, Jie ; Khayati, Mourad ; Cudré-Mauroux, Philippe

In: WWW '20: Proceedings of The Web Conference 2020, 2020, vol. April, p. 1851-1862

Finding social influencers is a fundamental task in many online applications ranging from brand marketing to opinion mining. Existing methods heavily rely on the availability of expert labels, whose collection is usually a laborious process even for domain experts. Using open-ended questions, crowdsourcing provides a cost-effective way to find a large number of social influencers in a short...

Université de Fribourg

Peer Grading the Peer Reviews : A Dual-Role Approach for Lightening the Scholarly Paper Review Process

Arous, Ines ; Yang, Jie ; Khayati, Mourad ; Cudré-Mauroux, Philippe

In: The Web Conference 2021, Ljubljana, Slovenia, April 12-23, 2021, 2021, p. 1-12

Scientific peer review is pivotal to maintain quality standards for academic publication. The effectiveness of the reviewing process is currently being challenged by the rapid increase of paper submissions in various conferences. Those venues need to recruit a large number of reviewers of different levels of expertise and background. The submitted reviews often do not meet the conformity...

Université de Fribourg

How do crowdworker communities and microtask markets influenceeach other? a data-driven study on amazon mechanical turk

Yang, Jie ; van der Valk, Carlo ; Hossfeld, Tobias ; Redi, Judith ; Bozzon, Alessandro

In: AAAI Conference on Human Computation and Crowdsourcing (HCOMP), 2018

Crowdworker online communities -- operating in fora like mTurkForum and TurkerNation -- are an important actor in microwork markets. Albeit central to market dynamics, how the behavior of crowdworker communities and the dynamics of online marketplaces influence each other is yet to be understood. To provide quantitative evidence of such influence, we performed an analysis on 6-years worth of...

Université de Fribourg

Social gamification in enterprise crowdsourcing

Afentoulidis, Gregory ; Szlávik, Zoltán ; Yang, Jie ; Bozzon, Alessandro

In: Proceedings of 10th ACM Conference on Web Science (WebSci’18) Amsterdam, 27-30 May 2018

Enterprise crowdsourcing capitalises on the availability of employ-ees for in-house data processing. Gamification techniques can help aligning employees’ motivation to the crowdsourcing endeavour. Although hitherto, research efforts were able to unravel the wide arsenal of gamification techniques to construct engagement loops, little research has shed light into the social game dynamics...