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Self-supervised learning of speech representations has been a very active research area but most work is focused on a single domain such as read audio books for which there exist large quantities of labeled and unlabeled data. In this…

Semi-supervised learning, i.e. jointly learning from labeled and unlabeled samples, is an active research topic due to its key role on relaxing human supervision. In the context of image classification, recent advances to learn from…

计算机视觉与模式识别 · 计算机科学 2020-06-30 Eric Arazo , Diego Ortego , Paul Albert , Noel E. O'Connor , Kevin McGuinness

Sentiment analysis is often a crowdsourcing task prone to subjective labels given by many annotators. It is not yet fully understood how the annotation bias of each annotator can be modeled correctly with state-of-the-art methods. However,…

Acquiring and training on large-scale labeled data can be impractical due to cost constraints. Additionally, the use of small training datasets can result in considerable variability in model outcomes, overfitting, and learning of spurious…

机器学习 · 计算机科学 2025-07-08 Jiashu Tao , Reza Shokri

A common practice in building NLP datasets, especially using crowd-sourced annotations, involves obtaining multiple annotator judgements on the same data instances, which are then flattened to produce a single "ground truth" label or score,…

计算与语言 · 计算机科学 2021-10-13 Vinodkumar Prabhakaran , Aida Mostafazadeh Davani , Mark Díaz

Multi-camera systems are indispensable in movies, TV shows, and other media. Selecting the appropriate camera at every timestamp has a decisive impact on production quality and audience preferences. Learning-based view recommendation…

计算机视觉与模式识别 · 计算机科学 2024-10-18 Kuan-Ying Lee , Qian Zhou , Klara Nahrstedt

Pseudo-Labeling is a simple and effective approach to semi-supervised learning. It requires criteria that guide the selection of pseudo-labeled data. The latter have been shown to crucially affect pseudo-labeling's generalization…

机器学习 · 计算机科学 2023-09-27 Julian Rodemann

In-context learning enables transformer models to generalize to new tasks based solely on input prompts, without any need for weight updates. However, existing training paradigms typically rely on large, unstructured datasets that are…

Manual annotations are a prerequisite for many applications of machine learning. However, weaknesses in the annotation process itself are easy to overlook. In particular, scholars often choose what information to give to annotators without…

社会与信息网络 · 计算机科学 2017-08-22 Kenneth Joseph , Lisa Friedland , William Hobbs , Oren Tsur , David Lazer

Citations are generally analyzed using only quantitative measures while excluding qualitative aspects such as sentiment and intent. However, qualitative aspects provide deeper insights into the impact of a scientific research artifact and…

信息检索 · 计算机科学 2022-02-23 Dominique Mercier , Syed Tahseen Raza Rizvi , Vikas Rajashekar , Sheraz Ahmed , Andreas Dengel

Unsupervised domain adaptation aims to transfer knowledge from a labeled source domain to an unlabeled target domain. Previous methods focus on learning domain-invariant features to decrease the discrepancy between the feature distributions…

机器学习 · 计算机科学 2021-06-30 Yuntao Du , Yinghao Chen , Fengli Cui , Xiaowen Zhang , Chongjun Wang

Recent work has explored the use of personal information in the form of persona sentences or self-disclosures to improve modeling of individual characteristics and prediction of annotator labels for subjective tasks. The volume of personal…

计算与语言 · 计算机科学 2026-01-27 Kieran Henderson , Kian Omoomi , Vasudha Varadarajan , Allison Lahnala , Charles Welch

Despite the recent success of domain generalization in medical image segmentation, voxel-wise annotation for all source domains remains a huge burden. Semi-supervised domain generalization has been proposed very recently to combat this…

计算机视觉与模式识别 · 计算机科学 2024-08-02 Muyang Qiu , Jian Zhang , Lei Qi , Qian Yu , Yinghuan Shi , Yang Gao

Pseudo-labels are confident predictions made on unlabeled target data by a classifier trained on labeled source data. They are widely used for adapting a model to unlabeled data, e.g., in a semi-supervised learning setting. Our key insight…

机器学习 · 计算机科学 2022-04-22 Xudong Wang , Zhirong Wu , Long Lian , Stella X. Yu

This study introduces a method to design a curriculum for machine-learning to maximize the efficiency during the training process of deep neural networks (DNNs) for speech emotion recognition. Previous studies in other machine-learning…

音频与语音处理 · 电气工程与系统科学 2022-03-17 Reza Lotfian , Carlos Busso

In unsupervised domain adaptation, existing theory focuses on situations where the source and target domains are close. In practice, conditional entropy minimization and pseudo-labeling work even when the domain shifts are much larger than…

机器学习 · 计算机科学 2020-12-09 Yining Chen , Colin Wei , Ananya Kumar , Tengyu Ma

Analyzing the sentiments of legal opinions available in Legal Opinion Texts can facilitate several use cases such as legal judgement prediction, contradictory statements identification and party-based sentiment analysis. However, the task…

计算与语言 · 计算机科学 2020-11-03 Gathika Ratnayaka , Nisansa de Silva , Amal Shehan Perera , Ramesh Pathirana

Domain shift is a significant challenge in machine learning, particularly in medical applications where data distributions differ across institutions due to variations in data collection practices, equipment, and procedures. This can…

机器学习 · 计算机科学 2025-06-30 Takumi Okuo , Shinnosuke Matsuo , Shota Harada , Kiyohito Tanaka , Ryoma Bise

Many NLP learning tasks can be decomposed into several distinct sub-tasks, each associated with a partial label. In this paper we focus on a popular class of learning problems, sequence prediction applied to several sentiment analysis…

计算与语言 · 计算机科学 2019-06-05 Xiao Zhang , Dan Goldwasser

Collecting annotated data for semantic segmentation is time-consuming and hard to scale up. In this paper, we for the first time propose a unified framework, termed as Multi-Dataset Pretraining, to take full advantage of the fragmented…

计算机视觉与模式识别 · 计算机科学 2021-06-09 Bowen Shi , Xiaopeng Zhang , Haohang Xu , Wenrui Dai , Junni Zou , Hongkai Xiong , Qi Tian