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Crowdsourcing platforms have transformed distributed problem-solving, yet quality control remains a persistent challenge. Traditional quality control measures, such as prescreening workers and refining instructions, often focus solely on…

Human-Computer Interaction · Computer Science 2024-03-18 Chu Li , Zhihan Zhang , Michael Saugstad , Esteban Safranchik , Minchu Kulkarni , Xiaoyu Huang , Shwetak Patel , Vikram Iyer , Tim Althoff , Jon E. Froehlich

We consider crowdsourced labeling under a $d$-type worker-task specialization model, where each worker and task is associated with one particular type among a finite set of types and a worker provides a more reliable answer to tasks of the…

Human-Computer Interaction · Computer Science 2021-06-10 Doyeon Kim , Hye Won Chung

Supervised learning depends on annotated examples, which are taken to be the \emph{ground truth}. But these labels often come from noisy crowdsourcing platforms, like Amazon Mechanical Turk. Practitioners typically collect multiple labels…

Machine Learning · Computer Science 2018-05-22 Ashish Khetan , Zachary C. Lipton , Anima Anandkumar

Webcam-based eye tracking is a cost-effective, scalable method for remote research that effectively reaches broader populations. However, uncontrolled environments and hardware diversity lead to inconsistent data quality in crowdsourcing.…

Human-Computer Interaction · Computer Science 2026-05-06 Ka Hei Carrie Lau , Enkelejda Kasneci

Can humans impute missing data with similar proficiency as machines? This is the question we aim to answer in this paper. We present a novel idea of converting observations with missing data in to a survey questionnaire, which is presented…

Machine Learning · Computer Science 2018-02-26 Lovedeep Gondara

Learning representation has been proven to be helpful in numerous machine learning tasks. The success of the majority of existing representation learning approaches often requires a large amount of consistent and noise-free labels. However,…

Human-Computer Interaction · Computer Science 2019-08-02 Guowei Xu , Wenbiao Ding , Jiliang Tang , Songfan Yang , Gale Yan Huang , Zitao Liu

Allocation strategies improve the efficiency of crowdsourcing by decreasing the work needed to complete individual tasks accurately. However, these algorithms introduce bias by preferentially allocating workers onto easy tasks, leading to…

Machine Learning · Computer Science 2022-04-28 Abigail Hotaling , James Bagrow

Crowdsourcing can solve problems that current fully automated systems cannot. Its effectiveness depends on the reliability, accuracy, and speed of the crowd workers that drive it. These objectives are frequently at odds with one another.…

Human-Computer Interaction · Computer Science 2014-08-29 Walter S. Lasecki , Christopher M. Homan , Jeffrey P. Bigham

Key Opinion Leaders (KOLs) are people that have a strong influence and their opinions are listened to by people when making important decisions. Crowdsourcing provides an efficient and cost-effective means to gather data for the KOL finding…

Information Retrieval · Computer Science 2021-10-20 Hossein A. Rahmani , Jie Yang

This work-in-progress paper describes a vision, i.e., that of fast and reliable software user experience studies conducted with the help from the crowd. Commonly, user studies are controlled in-lab activities that require the instruction,…

Human-Computer Interaction · Computer Science 2016-09-06 Florian Daniel , Pavel Kucherbaev

Challenges around collecting and processing quality data have hampered progress in data-driven dialogue models. Previous approaches are moving away from costly, resource-intensive lab settings, where collection is slow but where the data is…

Computation and Language · Computer Science 2020-12-08 José Lopes , Francisco J. Chiyah Garcia , Helen Hastie

We consider the problem of optimal budget allocation for crowdsourcing problems, allocating users to tasks to maximize our final confidence in the crowdsourced answers. Such an optimized worker assignment method allows us to boost the…

Machine Learning · Computer Science 2017-02-28 Angela Zhou , Irineo Cabreros , Karan Singh

Crowdsourcing employs human workers to solve computer-hard problems, such as data cleaning, entity resolution, and sentiment analysis. When crowdsourcing tabular data, e.g., the attribute values of an entity set, a worker's answers on the…

Databases · Computer Science 2017-08-08 Caihua Shan , Nikos Mamoulis , Guoliang Li , Reynold Cheng , Zhipeng Huang , Yudian Zheng

The problem of estimating subjective visual properties (SVP) of images (e.g., Shoes A is more comfortable than B) is gaining rising attention. Due to its highly subjective nature, different annotators often exhibit different interpretations…

Computer Vision and Pattern Recognition · Computer Science 2019-03-12 Qianqian Xu , Zhiyong Yang , Yangbangyan Jiang , Xiaochun Cao , Qingming Huang , Yuan Yao

Consider unsupervised clustering of objects drawn from a discrete set, through the use of human intelligence available in crowdsourcing platforms. This paper defines and studies the problem of universal clustering using responses of crowd…

Human-Computer Interaction · Computer Science 2016-10-11 Ravi Kiran Raman , Lav Varshney

Crowdsourcing is a process of accumulating the ideas, thoughts or information from many independent participants, with aim to find the best solution for a given challenge. Modern information technologies allow for massive number of subjects…

Physics and Society · Physics 2016-04-04 Andrea Guazzini , Daniele Vilone , Camillo Donati , Annalisa Nardi , Zoran Levnajic

Crowdsourcing is an economic and efficient strategy aimed at collecting annotations of data through an online platform. Crowd workers with different expertise are paid for their service, and the task requester usually has a limited budget.…

Machine Learning · Computer Science 2019-11-11 Jinzheng Tu , Guoxian Yu , Carlotta Domeniconi , Jun Wang , Xiangliang Zhang

Supervised classification heavily depends on datasets annotated by humans. However, in subjective tasks such as toxicity classification, these annotations often exhibit low agreement among raters. Annotations have commonly been aggregated…

Computation and Language · Computer Science 2024-05-17 Negar Mokhberian , Myrl G. Marmarelis , Frederic R. Hopp , Valerio Basile , Fred Morstatter , Kristina Lerman

Crowdsourcing can identify high-quality solutions to problems; however, individual decisions are constrained by cognitive biases. We investigate some of these biases in an experimental model of a question-answering system. In both natural…

Human-Computer Interaction · Computer Science 2019-10-02 Keith Burghardt , Tad Hogg , Kristina Lerman