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Training a real-time gesture recognition model heavily relies on annotated data. However, manual data annotation is costly and demands substantial human effort. In order to address this challenge, we propose a framework that can…

计算机视觉与模式识别 · 计算机科学 2024-10-08 Junxiao Shen , Xuhai Xu , Ran Tan , Amy Karlson , Evan Strasnick

Semi-supervised learning lately has shown much promise in improving deep learning models when labeled data is scarce. Common among recent approaches is the use of consistency training on a large amount of unlabeled data to constrain model…

机器学习 · 计算机科学 2020-11-06 Qizhe Xie , Zihang Dai , Eduard Hovy , Minh-Thang Luong , Quoc V. Le

Learning the user-item relevance hidden in implicit feedback data plays an important role in modern recommender systems. Neural sequential recommendation models, which formulates learning the user-item relevance as a sequential…

信息检索 · 计算机科学 2022-03-01 Jingwei Zhuo , Bin Liu , Xiang Li , Han Zhu , Xiaoqiang Zhu

In this work, we introduce a novel paradigm for generalized In-Context Learning (ICL), termed Indirect In-Context Learning. In Indirect ICL, we explore demonstration selection strategies tailored for two distinct real-world scenarios:…

机器学习 · 计算机科学 2025-10-03 Hadi Askari , Shivanshu Gupta , Terry Tong , Fei Wang , Anshuman Chhabra , Muhao Chen

Latent factor models for Recommender Systems with implicit feedback typically treat unobserved user-item interactions (i.e. missing information) as negative feedback. This is frequently done either through negative sampling (point--wise…

机器学习 · 计算机科学 2018-08-17 Juan Arévalo , Juan Ramón Duque , Marco Creatura

Recommender systems are indispensable because they influence our day-to-day behavior and decisions by giving us personalized suggestions. Services like Kindle, Youtube, and Netflix depend heavily on the performance of their recommender…

信息检索 · 计算机科学 2021-12-07 Shrikant Saxena , Shweta Jain

In-context learning (ICL) enables large language models to perform few-shot learning by conditioning on labeled examples in the prompt. Despite its flexibility, ICL suffers from instability -- especially as prompt length increases with more…

计算与语言 · 计算机科学 2025-10-27 Josip Jukić , Jan Šnajder

Inverse reinforcement learning (IRL), which infers reward functions from demonstrations, is a valuable tool for modeling and understanding decision-making behavior. Many variants of IRL have been developed to capture complexities of human…

机器学习 · 计算机科学 2026-05-14 Leo Benac , Abhishek Sharma , Alihan Huyuk , Finale Doshi-Velez

Label noise has been broadly observed in real-world datasets. To mitigate the negative impact of overfitting to label noise for deep models, effective strategies (\textit{e.g.}, re-weighting, or loss rectification) have been broadly applied…

机器学习 · 计算机科学 2026-03-19 Haoliang Sun , Qi Wei , Lei Feng , Yupeng Hu , Fan Liu , Hehe Fan , Yilong Yin

Audio-visual video parsing focuses on classifying videos through weak labels while identifying events as either visible, audible, or both, alongside their respective temporal boundaries. Many methods ignore that different modalities often…

计算机视觉与模式识别 · 计算机科学 2025-01-03 Langyu Wang , Bingke Zhu , Yingying Chen , Jinqiao Wang

In modern recommendation systems, unbiased learning-to-rank (LTR) is crucial for prioritizing items from biased implicit user feedback, such as click data. Several techniques, such as Inverse Propensity Weighting (IPW), have been proposed…

信息检索 · 计算机科学 2023-07-21 Keisho Oh , Naoki Nishimura , Minje Sung , Ken Kobayashi , Kazuhide Nakata

A key challenge for machine intelligence is to learn new visual concepts without forgetting the previously acquired knowledge. Continual learning is aimed towards addressing this challenge. However, there is a gap between existing…

机器学习 · 计算机科学 2024-02-01 Yan Luo , Yongkang Wong , Mohan Kankanhalli , Qi Zhao

Stylized text-to-image generation focuses on creating images from textual descriptions while adhering to a style specified by a few reference images. However, subtle style variations within different reference images can hinder the model…

计算机视觉与模式识别 · 计算机科学 2024-07-15 Xing Cui , Zekun Li , Pei Pei Li , Huaibo Huang , Xuannan Liu , Zhaofeng He

Implicit feedback data is extensively explored in recommendation as it is easy to collect and generally applicable. However, predicting users' preference on implicit feedback data is a challenging task since we can only observe positive…

信息检索 · 计算机科学 2020-07-15 Wenhui Yu , Zheng Qin

Learning robust audio-visual embeddings requires bringing genuinely related audio and visual signals together while filtering out incidental co-occurrences - background noise, unrelated elements, or unannotated events. Most contrastive and…

多媒体 · 计算机科学 2026-01-21 Donghuo Zeng , Hao Niu , Yanan Wang , Masato Taya

Industrial recommender systems deal with extremely large action spaces -- many millions of items to recommend. Moreover, they need to serve billions of users, who are unique at any point in time, making a complex user state space. Luckily,…

机器学习 · 计算机科学 2021-12-16 Minmin Chen , Alex Beutel , Paul Covington , Sagar Jain , Francois Belletti , Ed Chi

Ratings of a user to most items in recommender systems are usually missing not at random (MNAR), largely because users are free to choose which items to rate. To achieve unbiased learning of the prediction model under MNAR data, three…

信息检索 · 计算机科学 2024-06-26 Haoxuan Li , Chunyuan Zheng , Wenjie Wang , Hao Wang , Fuli Feng , Xiao-Hua Zhou

While instruction-tuned language models have demonstrated impressive zero-shot generalization, these models often struggle to generate accurate responses when faced with instructions that fall outside their training set. This paper presents…

计算与语言 · 计算机科学 2024-02-20 Taehyeon Kim , Joonkee Kim , Gihun Lee , Se-Young Yun

In-context learning (ICL) is an emerging capability of large autoregressive language models where a few input-label demonstrations are appended to the input to enhance the model's understanding of downstream NLP tasks, without directly…

计算与语言 · 计算机科学 2023-10-31 Zhuocheng Gong , Jiahao Liu , Qifan Wang , Jingang Wang , Xunliang Cai , Dongyan Zhao , Rui Yan

Recommender systems that learn from implicit feedback often use large volumes of a single type of implicit user feedback, such as clicks, to enhance the prediction of sparse target behavior such as purchases. Using multiple types of…