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Attention-based models have been widely used in many areas, such as computer vision and natural language processing. However, relevant applications in time series classification (TSC) have not been explored deeply yet, causing a significant…

机器学习 · 计算机科学 2022-07-18 Bowen Zhao , Huanlai Xing , Xinhan Wang , Fuhong Song , Zhiwen Xiao

Universal Domain Adaptation (UniDA) focuses on transferring source domain knowledge to the target domain under both domain shift and unknown category shift. Its main challenge lies in identifying common class samples and aligning them.…

计算机视觉与模式识别 · 计算机科学 2025-06-05 Weinan He , Zilei Wang , Yixin Zhang

Active learning algorithms automatically identify the most informative samples from large amounts of unlabeled data and tremendously reduce human annotation effort in inducing a machine learning model. In a conventional active learning…

机器学习 · 计算机科学 2026-04-28 Varun Totakura , Ankita Singh , Yushun Dong , Shayok Chakraborty

Crowd-sourcing has become a popular means of acquiring labeled data for a wide variety of tasks where humans are more accurate than computers, e.g., labeling images, matching objects, or analyzing sentiment. However, relying solely on the…

机器学习 · 计算机科学 2014-12-23 Barzan Mozafari , Purnamrita Sarkar , Michael J. Franklin , Michael I. Jordan , Samuel Madden

Recent studies have shown that pseudo labels can contribute to unsupervised domain adaptation (UDA) for speaker verification. Inspired by the self-training strategies that use an existing classifier to label the unlabeled data for…

机器学习 · 计算机科学 2023-06-21 Haiquan Mao , Feng Hong , Man-wai Mak

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…

机器学习 · 计算机科学 2018-05-22 Ashish Khetan , Zachary C. Lipton , Anima Anandkumar

Human data labeling is an important and expensive task at the heart of supervised learning systems. Hierarchies help humans understand and organize concepts. We ask whether and how concept hierarchies can inform the design of annotation…

人机交互 · 计算机科学 2023-02-24 Rickard Stureborg , Bhuwan Dhingra , Jun Yang

There is a rapidly increasing interest in crowdsourcing for data labeling. By crowdsourcing, a large number of labels can be often quickly gathered at low cost. However, the labels provided by the crowdsourcing workers are usually not of…

机器学习 · 计算机科学 2015-03-26 Dengyong Zhou , Qiang Liu , John C. Platt , Christopher Meek , Nihar B. Shah

This paper presents a novel self-supervised learning method for handling conversational documents consisting of transcribed text of human-to-human conversations. One of the key technologies for understanding conversational documents is…

计算与语言 · 计算机科学 2021-02-17 Ryo Masumura , Naoki Makishima , Mana Ihori , Akihiko Takashima , Tomohiro Tanaka , Shota Orihashi

Lip reading, the process of interpreting silent speech from visual lip movements, has gained rising attention for its wide range of realistic applications. Deep learning approaches greatly improve current lip reading systems. However, lip…

人工智能 · 计算机科学 2024-05-03 Linzhi Wu , Xingyu Zhang , Yakun Zhang , Changyan Zheng , Tiejun Liu , Liang Xie , Ye Yan , Erwei Yin

Crowdsourcing has attracted much attention for its convenience to collect labels from non-expert workers instead of experts. However, due to the high level of noise from the non-experts, an aggregation model that learns the true label by…

机器学习 · 计算机科学 2021-05-14 Hanlu Wu , Tengfei Ma , Lingfei Wu , Shouling Ji

Sequence labeling is a fundamental framework for various natural language processing problems. Its performance is largely influenced by the annotation quality and quantity in supervised learning scenarios, and obtaining ground truth labels…

计算与语言 · 计算机科学 2020-04-17 Ouyu Lan , Xiao Huang , Bill Yuchen Lin , He Jiang , Liyuan Liu , Xiang Ren

In this paper, we present a simple and efficient method for training deep neural networks in a semi-supervised setting where only a small portion of training data is labeled. We introduce self-ensembling, where we form a consensus…

神经与进化计算 · 计算机科学 2017-03-16 Samuli Laine , Timo Aila

While supervised learning models have shown remarkable performance in various natural language processing (NLP) tasks, their success heavily relies on the availability of large-scale labeled datasets, which can be costly and time-consuming…

计算与语言 · 计算机科学 2024-06-04 Wrick Talukdar , Anjanava Biswas

Obtaining large annotated datasets is critical for training successful machine learning models and it is often a bottleneck in practice. Weak supervision offers a promising alternative for producing labeled datasets without ground truth…

机器学习 · 计算机科学 2021-01-27 Benedikt Boecking , Willie Neiswanger , Eric Xing , Artur Dubrawski

As the size of the datasets getting larger, accurately annotating such datasets is becoming more impractical due to the expensiveness on both time and economy. Therefore, crowd-sourcing has been widely adopted to alleviate the cost of…

机器学习 · 计算机科学 2024-02-21 Hansong Zhang , Shikun Li , Dan Zeng , Chenggang Yan , Shiming Ge

This work shows how to improve and interpret the commonly used dual encoder model for response suggestion in dialogue. We present an attentive dual encoder model that includes an attention mechanism on top of the extracted word-level…

计算与语言 · 计算机科学 2020-03-12 Yitong Li , Dianqi Li , Sushant Prakash , Peng Wang

Popular crowdsourcing techniques mostly focus on evaluating workers' labeling quality before adjusting their weights during label aggregation. Recently, another cohort of models regard crowdsourced annotations as incomplete tensors and…

人机交互 · 计算机科学 2019-05-21 Ching-Yun Ko , Rui Lin , Shu Li , Ngai Wong

Multimodal Language Analysis is a demanding area of research, since it is associated with two requirements: combining different modalities and capturing temporal information. During the last years, several works have been proposed in the…

计算与语言 · 计算机科学 2022-01-10 Panagiotis Koromilas , Theodoros Giannakopoulos

In contrast to multi-label learning, label distribution learning characterizes the polysemy of examples by a label distribution to represent richer semantics. In the learning process of label distribution, the training data is collected…

机器学习 · 计算机科学 2022-09-29 Zhuoran Zheng , Xiuyi Jia