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A clinical study is often necessary for exploring important research questions; however, this approach is sometimes time and money consuming. Another extreme approach, which is to collect and aggregate opinions from crowds, provides a…

Human-Computer Interaction · Computer Science 2022-05-17 Shoko Wakamiya , Toshiki Mera , Eiji Aramaki , Masaki Matsubara , Atsuyuki Morishima

The phenomenal success of certain crowdsourced online platforms, such as Wikipedia, is accredited to their ability to tap the crowd's potential to collaboratively build knowledge. While it is well known that the crowd's collective wisdom…

Computers and Society · Computer Science 2015-08-28 Anamika Chhabra , S. R. S. Iyengar , Poonam Saini , Rajesh Shreedhar Bhat , Vijay Kumar

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

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

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

Sentiment classification is a fundamental task in content analysis. Although deep learning has demonstrated promising performance in text classification compared with shallow models, it is still not able to train a satisfying classifier for…

Human-Computer Interaction · Computer Science 2020-04-28 Keyu Yang , Yunjun Gao , Lei Liang , Song Bian , Lu Chen , Baihua Zheng

Crowdsensing, also known as participatory sensing, is a method of data collection that involves gathering information from a large number of common people (or individuals), often using mobile devices or other personal technologies. This…

Computer Science and Game Theory · Computer Science 2024-05-17 Chattu Bhargavi , Vikash Kumar Singh

The assessment of process mining techniques using real-life data is often compromised by the lack of ground truth knowledge, the presence of non-essential outliers in system behavior and recording errors in event logs. Using synthetically…

Databases · Computer Science 2025-01-27 Dominique Sommers , Natalia Sidorova , Boudewijn van Dongen

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

Traditional crowd counting approaches usually use Gaussian assumption to generate pseudo density ground truth, which suffers from problems like inaccurate estimation of the Gaussian kernel sizes. In this paper, we propose a new…

Computer Vision and Pattern Recognition · Computer Science 2021-07-06 Hui Lin , Xiaopeng Hong , Zhiheng Ma , Xing Wei , Yunfeng Qiu , Yaowei Wang , Yihong Gong

In many settings, an effective way of evaluating objects of interest is to collect evaluations from dispersed individuals and to aggregate these evaluations together. Some examples are categorizing online content and evaluating student…

Computer Science and Game Theory · Computer Science 2016-06-23 Alice Gao , James R. Wright , Kevin Leyton-Brown

Disaster summarization approaches provide an overview of the important information posted during disaster events on social media platforms, such as, Twitter. However, the type of information posted significantly varies across disasters…

Computation and Language · Computer Science 2023-05-22 Piyush Kumar Garg , Roshni Chakraborty , Sourav Kumar Dandapat

Disagreement in annotation is a common phenomenon in the development of NLP datasets and serves as a valuable source of insight. While majority voting remains the dominant strategy for aggregating labels, recent work has explored modeling…

Crowd-sourcing deals with solving problems by assigning them to a large number of non-experts called crowd using their spare time. In these systems, the final answer to the question is determined by summing up the votes obtained from the…

Computational Engineering, Finance, and Science · Computer Science 2024-07-04 Samin Nili Ahmadabadi , Maryam Haghifam , Vahid Shah-Mansouri , Sara Ershadmanesh

We introduce a novel noisy sorting model motivated by the Just Noticeable Difference (JND) model from experimental psychology. The goal of our model is to capture the low quality of the data that are collected from crowdsourcing…

Data Structures and Algorithms · Computer Science 2023-10-24 Ellen Vitercik , Manolis Zampetakis , David Zhang

Mobile crowdsensing has emerged as an efficient sensing paradigm which combines the crowd intelligence and the sensing power of mobile devices, e.g.,~mobile phones and Internet of Things (IoT) gadgets. This article addresses the…

Networking and Internet Architecture · Computer Science 2017-02-16 Mohammad Abu Alsheikh , Yutao Jiao , Dusit Niyato , Ping Wang , Derek Leong , Zhu Han

Online social platforms increasingly rely on crowd-sourced systems to label misleading content at scale, but these systems must both aggregate users' evaluations and decide whose evaluations to trust. To address the latter, many platforms…

Social and Information Networks · Computer Science 2026-05-19 Yeganeh Alimohammadi , Karissa Huang , Christian Borgs , Jennifer Chayes

Crowdsourced moderation systems like Twitter/X's Community Notes program have been proposed as scalable alternatives to professional fact-checkers for combating online misinformation. While prior research has examined the effectiveness of…

Human-Computer Interaction · Computer Science 2026-03-13 Morgan Wack , Patrick Warren , Mustafa Alam

In this article, we propose a simulated crowd counting dataset CrowdX, which has a large scale, accurate labeling, parameterized realization, and high fidelity. The experimental results of using this dataset as data enhancement show that…

Computer Vision and Pattern Recognition · Computer Science 2022-01-25 Yi Hou , Chengyang Li , Yuheng Lu , Liping Zhu , Yuan Li , Huizhu Jia , Xiaodong Xie

Hierarchies of concepts are useful in many applications from navigation to organization of objects. Usually, a hierarchy is created in a centralized manner by employing a group of domain experts, a time-consuming and expensive process. The…

Artificial Intelligence · Computer Science 2015-08-04 Yuyin Sun , Adish Singla , Dieter Fox , Andreas Krause