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In recent years crowdsourcing has become the method of choice for gathering labeled training data for learning algorithms. Standard approaches to crowdsourcing view the process of acquiring labeled data separately from the process of…

Machine Learning · Computer Science 2017-04-17 Pranjal Awasthi , Avrim Blum , Nika Haghtalab , Yishay Mansour

In crowdsourced preference aggregation, it is often assumed that all the annotators are subject to a common preference or utility function which generates their comparison behaviors in experiments. However, in reality annotators are subject…

Human-Computer Interaction · Computer Science 2016-07-13 Qianqian Xu , Jiechao Xiong , Xiaochun Cao , Yuan Yao

Crowdsourcing is regarded as one prospective solution for effective supervised learning, aiming to build large-scale annotated training data by crowd workers. Previous studies focus on reducing the influences from the noises of the…

Computation and Language · Computer Science 2021-11-16 Xin Zhang , Guangwei Xu , Yueheng Sun , Meishan Zhang , Pengjun Xie

In recent years rank aggregation has received significant attention from the machine learning community. The goal of such a problem is to combine the (partially revealed) preferences over objects of a large population into a single,…

Machine Learning · Statistics 2014-10-06 Yu Lu , Sahand N. Negahban

Some complex problems, such as image tagging and natural language processing, are very challenging for computers, where even state-of-the-art technology is yet able to provide satisfactory accuracy. Therefore, rather than relying solely on…

Databases · Computer Science 2012-07-03 Xuan Liu , Meiyu Lu , Beng Chin Ooi , Yanyan Shen , Sai Wu , Meihui Zhang

Worker selection is a significant and challenging issue in crowdsourcing systems. Such selection is usually based on an assessment of the reputation of the individual workers participating in such systems. However, assessing the credibility…

High-quality annotated data is a cornerstone of modern Natural Language Processing (NLP). While recent methods begin to leverage diverse annotation sources-including Large Language Models (LLMs), Small Language Models (SLMs), and human…

Artificial Intelligence · Computer Science 2025-09-18 Maosheng Qin , Renyu Zhu , Mingxuan Xia , Chenkai Chen , Zhen Zhu , Minmin Lin , Junbo Zhao , Lu Xu , Changjie Fan , Runze Wu , Haobo Wang

The data deluge comes with high demands for data labeling. Crowdsourcing (or, more generally, ensemble learning) techniques aim to produce accurate labels via integrating noisy, non-expert labeling from annotators. The classic Dawid-Skene…

Machine Learning · Computer Science 2019-09-30 Shahana Ibrahim , Xiao Fu , Nikos Kargas , Kejun Huang

Crowdsourcing platforms are often used to collect datasets for training machine learning models, despite higher levels of inaccurate labeling compared to expert labeling. There are two common strategies to manage the impact of such noise.…

Computation and Language · Computer Science 2022-06-14 Derek Chen , Zhou Yu , Samuel R. Bowman

Ranking is fundamental to many areas, such as search engine optimization, human feedback for language models, as well as peer grading. Crowdsourcing, which is often used for these tasks, requires proper incentivization to ensure accurate…

Computer Science and Game Theory · Computer Science 2024-01-26 Kiriaki Frangias , Andrew Lin , Ellen Vitercik , Manolis Zampetakis

Crowdsourcing has been successfully employed in the past as an effective and cheap way to execute classification tasks and has therefore attracted the attention of the research community. However, we still lack a theoretical understanding…

Human-Computer Interaction · Computer Science 2016-10-20 Edoardo Manino , Long Tran-Thanh , Nicholas R. Jennings

Quality improvement methods are essential to gathering high-quality crowdsourced data, both for research and industry applications. A popular and broadly applicable method is task assignment that dynamically adjusts crowd workflow…

Human-Computer Interaction · Computer Science 2021-11-17 Danula Hettiachchi , Vassilis Kostakos , Jorge Goncalves

Microtask crowdsourcing has enabled dataset advances in social science and machine learning, but existing crowdsourcing schemes are too expensive to scale up with the expanding volume of data. To scale and widen the applicability of…

Human-Computer Interaction · Computer Science 2016-02-16 Ranjay Krishna , Kenji Hata , Stephanie Chen , Joshua Kravitz , David A. Shamma , Li Fei-Fei , Michael S. Bernstein

In this work, we adapt the rank aggregation framework for the discovery of optimal course sequences at the university level. Each student provides a partial ranking of the courses taken throughout his or her undergraduate career. We compute…

Machine Learning · Computer Science 2016-03-10 Mihai Cucuringu , Charlie Marshak , Dillon Montag , Puck Rombach

The process of rank aggregation is intimately intertwined with the structure of skew-symmetric matrices. We apply recent advances in the theory and algorithms of matrix completion to skew-symmetric matrices. This combination of ideas…

Numerical Analysis · Computer Science 2011-02-24 David F. Gleich , Lek-Heng Lim

Learning how to aggregate ranking lists has been an active research area for many years and its advances have played a vital role in many applications ranging from bioinformatics to internet commerce. The problem of discerning reliability…

Methodology · Statistics 2021-04-16 Wanchuang Zhu , Yingkai Jiang , Jun S. Liu , Ke Deng

Inferring the correct answers to binary tasks based on multiple noisy answers in an unsupervised manner has emerged as the canonical question for micro-task crowdsourcing or more generally aggregating opinions. In graphon estimation, one is…

Machine Learning · Statistics 2019-07-29 Devavrat Shah , Christina Lee Yu

Crowdsourcing platforms offer a way to label data by aggregating answers of multiple unqualified workers. We introduce a \textit{simple} and \textit{budget efficient} crowdsourcing method named Proxy Crowdsourcing (PCS). PCS collects…

Computer Science and Game Theory · Computer Science 2018-06-19 Gal Cohensius , Omer Ben Porat , Reshef Meir , Ofra Amir

Crowdsourcing has been the prevalent paradigm for creating natural language understanding datasets in recent years. A common crowdsourcing practice is to recruit a small number of high-quality workers, and have them massively generate…

Computation and Language · Computer Science 2019-08-29 Mor Geva , Yoav Goldberg , Jonathan Berant

Current pre-trained models applied to summarization are prone to factual inconsistencies which either misrepresent the source text or introduce extraneous information. Thus, comparing the factual consistency of summaries is necessary as we…

Computation and Language · Computer Science 2022-07-12 Xiangru Tang , Alexander Fabbri , Haoran Li , Ziming Mao , Griffin Thomas Adams , Borui Wang , Asli Celikyilmaz , Yashar Mehdad , Dragomir Radev