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In crowdsourcing, a group of common people is asked to execute the tasks and in return will receive some incentives. In this article, one of the crowdsourcing scenarios with multiple heterogeneous tasks and multiple IoT devices (as task…

Computer Science and Game Theory · Computer Science 2023-04-04 Chattu Bhargavi , Vikash Kumar Singh

Crowdsourced dialogue corpora are usually limited in scale and topic coverage due to the expensive cost of data curation. This would hinder the generalization of downstream dialogue models to open-domain topics. In this work, we leverage…

Computation and Language · Computer Science 2023-05-19 Chujie Zheng , Sahand Sabour , Jiaxin Wen , Zheng Zhang , Minlie Huang

Recent advances in content generation technologies (widely known as DeepFakes) along with the online proliferation of manipulated media content render the detection of such manipulations a task of increasing importance. Even though there…

Computer Vision and Pattern Recognition · Computer Science 2020-10-20 Polychronis Charitidis , Giorgos Kordopatis-Zilos , Symeon Papadopoulos , Ioannis Kompatsiaris

The surge of pre-training has witnessed the rapid development of document understanding recently. Pre-training and fine-tuning framework has been effectively used to tackle texts in various formats, including plain texts, document texts,…

Computation and Language · Computer Science 2022-10-07 Jingye Chen , Tengchao Lv , Lei Cui , Cha Zhang , Furu Wei

Social media platforms are increasingly adopting features that display crowdsourced context alongside posts, a technique pioneered by X's Community Notes. These systems -- which we term Crowdsourced Context Systems (CCS) -- have the…

Human-Computer Interaction · Computer Science 2026-04-15 Travis Lloyd , Tung Nguyen , Karen Levy , Mor Naaman

Collaborative perception has the potential to significantly enhance perceptual accuracy through the sharing of complementary information among agents. However, real-world collaborative perception faces persistent challenges, particularly in…

Computer Vision and Pattern Recognition · Computer Science 2025-05-05 Zhengbin Zhang , Yan Wu , Hongkun Zhang

High-quality audio data is a critical prerequisite for training robust text-to-speech models, which often limits the use of opportunistic or crowdsourced datasets. This paper presents an approach to overcome this limitation by implementing…

Audio and Speech Processing · Electrical Eng. & Systems 2024-10-18 José Giraldo , Martí Llopart-Font , Alex Peiró-Lilja , Carme Armentano-Oller , Gerard Sant , Baybars Külebi

Existing approaches for automated essay scoring and document representation learning typically rely on discourse parsers to incorporate discourse structure into text representation. However, the performance of parsers is not always…

Computation and Language · Computer Science 2020-10-14 Farjana Sultana Mim , Naoya Inoue , Paul Reisert , Hiroki Ouchi , Kentaro Inui

Mobile Crowd Sensing (MCS) is a new paradigm which takes advantage of pervasive smartphones to efficiently collect data, enabling numerous novel applications. To achieve good service quality for a MCS application, incentive mechanisms are…

Computer Science and Game Theory · Computer Science 2014-04-10 Dong Zhao , Huadong Ma , Liang Liu

The quality of the speech communication systems, which include noise suppression algorithms, are typically evaluated in laboratory experiments according to the ITU-T Rec. P.835, in which participants rate background noise, speech signal,…

Audio and Speech Processing · Electrical Eng. & Systems 2021-04-19 Babak Naderi , Ross Cutler

Recent advances in electronics are enabling substantial processing to be performed at each node (robots, sensors) of a networked system. Local processing enables data compression and may mitigate measurement noise, but it is still slower…

Optimization and Control · Mathematics 2025-03-04 Luca Ballotta , Luca Schenato , Luca Carlone

Crowdsourced data supports real-time decision-making but faces challenges like misinformation, errors, and contributor power concentration. This study systematically examines trust management practices across platforms categorised as…

Social and Information Networks · Computer Science 2025-11-06 Iffat Gheyas , Muhammad Rizwan Asghar , Steve Schneider , Alan Woodward

Crowdsourcing provides a practical way to obtain large amounts of labeled data at a low cost. However, the annotation quality of annotators varies considerably, which imposes new challenges in learning a high-quality model from the…

Machine Learning · Computer Science 2021-06-15 Zhendong Chu , Jing Ma , Hongning Wang

Code summarization, the task of generating useful comments given the code, has long been of interest. Most of the existing code summarization models are trained and validated on widely-used code comment benchmark datasets. However, little…

Software Engineering · Computer Science 2022-10-18 Lin Shi , Fangwen Mu , Xiao Chen , Song Wang , Junjie Wang , Ye Yang , Ge Li , Xin Xia , Qing Wang

Whether Large Language Models (LLMs) can outperform crowdsourcing on the data annotation task is attracting interest recently. Some works verified this issue with the average performance of individual crowd workers and LLM workers on some…

Computation and Language · Computer Science 2024-01-19 Jiyi Li

Training reinforcement learning agents with human feedback is crucial when task objectives are difficult to specify through dense reward functions. While prior methods rely on offline trajectory comparisons to elicit human preferences, such…

Machine Learning · Computer Science 2025-10-08 Zhengran Ji , Boyuan Chen

This paper introduces SAGHOG, a self-supervised pretraining strategy for writer retrieval using HOG features of the binarized input image. Our preprocessing involves the application of the Segment Anything technique to extract handwriting…

Computer Vision and Pattern Recognition · Computer Science 2024-04-29 Marco Peer , Florian Kleber , Robert Sablatnig

One of the fundamental problems in crowdsourcing is the trade-off between the number of the workers needed for high-accuracy aggregation and the budget to pay. For saving budget, it is important to ensure high quality of the crowd-sourced…

Artificial Intelligence · Computer Science 2020-07-07 Yao-Xiang Ding , Zhi-Hua Zhou

We propose the ambiguity problem for the foreground object segmentation task and motivate the importance of estimating and accounting for this ambiguity when designing vision systems. Specifically, we distinguish between images which lead…

Computer Vision and Pattern Recognition · Computer Science 2017-05-02 Danna Gurari , Kun He , Bo Xiong , Jianming Zhang , Mehrnoosh Sameki , Suyog Dutt Jain , Stan Sclaroff , Margrit Betke , Kristen Grauman

Retrieval-based code question answering seeks to match user queries in natural language to relevant code snippets. Previous approaches typically rely on pretraining models using crafted bi-modal and uni-modal datasets to align text and code…

Computation and Language · Computer Science 2024-03-26 Zehan Li , Jianfei Zhang , Chuantao Yin , Yuanxin Ouyang , Wenge Rong