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This paper investigates negative sampling for contrastive learning in the context of audio-text retrieval. The strategy for negative sampling refers to selecting negatives (either audio clips or textual descriptions) from a pool of…

Audio and Speech Processing · Electrical Eng. & Systems 2023-02-20 Huang Xie , Okko Räsänen , Tuomas Virtanen

Contemporary generative recommendation systems face significant challenges in handling multimodal data, eliminating algorithmic biases, and providing transparent decision-making processes. This paper introduces an enhanced generative…

Information Retrieval · Computer Science 2025-10-03 Bo Ma , Hang Li , ZeHua Hu , XiaoFan Gui , LuYao Liu , Simon Lau

Negative sampling is essential for implicit-feedback-based collaborative filtering, which is used to constitute negative signals from massive unlabeled data to guide supervised learning. The state-of-the-art idea is to utilize hard negative…

Information Retrieval · Computer Science 2023-08-14 Yuhan Zhao , Rui Chen , Riwei Lai , Qilong Han , Hongtao Song , Li Chen

How to sample high quality negative instances from unlabeled data, i.e., negative sampling, is important for training implicit collaborative filtering and contrastive learning models. Although previous studies have proposed some approaches…

Information Retrieval · Computer Science 2022-07-12 Bin Liu , Bang Wang

Neural Collaborative Filtering models are widely used in recommender systems but are typically trained under static settings, assuming fixed data distributions. This limits their applicability in dynamic environments where user preferences…

Information Retrieval · Computer Science 2025-09-10 Yunxiao Shi , Shuo Yang , Haimin Zhang , Li Wang , Yongze Wang , Qiang Wu , Min Xu

Multimodal learning has shown promising performance in content-based recommendation due to the auxiliary user and item information of multiple modalities such as text and images. However, the problem of incomplete and missing modality is…

Information Retrieval · Computer Science 2018-08-31 Cheng Wang , Mathias Niepert , Hui Li

Large language models (LLMs) have significantly benefited from training on diverse, high-quality task-specific data, leading to impressive performance across a range of downstream applications. Current methods often rely on human-annotated…

Computation and Language · Computer Science 2024-10-23 Qintong Li , Jiahui Gao , Sheng Wang , Renjie Pi , Xueliang Zhao , Chuan Wu , Xin Jiang , Zhenguo Li , Lingpeng Kong

Distance metric learning based on triplet loss has been applied with success in a wide range of applications such as face recognition, image retrieval, speaker change detection and recently recommendation with the CML model. However, as we…

Information Retrieval · Computer Science 2019-09-25 Viet-Anh Tran , Romain Hennequin , Jimena Royo-Letelier , Manuel Moussallam

In recent years, Large Language Models (LLMs) have demonstrated remarkable proficiency in comprehending and generating natural language, with a growing prevalence in the domain of recommendation systems. However, LLMs still face a…

Information Retrieval · Computer Science 2024-12-13 Xinyu Li , Chuang Zhao , Hongke Zhao , Likang Wu , Ming HE

Negative sampling approaches are prevalent in implicit collaborative filtering for obtaining negative labels from massive unlabeled data. As two major concerns in negative sampling, efficiency and effectiveness are still not fully achieved…

Machine Learning · Computer Science 2020-09-09 Jingtao Ding , Yuhan Quan , Quanming Yao , Yong Li , Depeng Jin

The successful integration of large language models (LLMs) into recommendation systems has proven to be a major breakthrough in recent studies, paving the way for more generic and transferable recommendations. However, LLMs struggle to…

Information Retrieval · Computer Science 2023-11-29 Junyan Qiu , Haitao Wang , Zhaolin Hong , Yiping Yang , Qiang Liu , Xingxing Wang

The deep model training procedure requires large-scale datasets of annotated data. Due to the difficulty of annotating a large number of samples, label noise caused by incorrect annotations is inevitable, resulting in low model performance…

Machine Learning · Computer Science 2023-12-12 Fengpeng Li , Kemou Li , Jinyu Tian , Jiantao Zhou

Learning medical visual representations directly from paired images and reports through multimodal self-supervised learning has emerged as a novel and efficient approach to digital diagnosis in recent years. However, existing models suffer…

Computer Vision and Pattern Recognition · Computer Science 2025-06-16 Libin Lan , Hongxing Li , Zunhui Xia , Juan Zhou , Xiaofei Zhu , Yongmei Li , Yudong Zhang , Xin Luo

Negative sampling is a pivotal technique in implicit collaborative filtering (CF) recommendation, enabling efficient and effective training by contrasting observed interactions with sampled unobserved ones. Recently, large language models…

Information Retrieval · Computer Science 2026-05-19 Jiayi Wu , Zhengyu Wu , Xunkai Li , Rong-Hua Li , Guoren Wang

Sequential recommendation systems aim to predict users' next likely interaction based on their history. However, these systems face data sparsity and cold-start problems. Utilizing data from other domains, known as multi-domain methods, is…

Information Retrieval · Computer Science 2025-02-20 Zuoli Tang , Zhaoxin Huan , Zihao Li , Xiaolu Zhang , Jun Hu , Chilin Fu , Jun Zhou , Lixin Zou , Chenliang Li

Recommender systems trained on implicit feedback data rely on negative sampling to distinguish positive items from negative items for each user. Since the majority of positive interactions come from a small group of active users, negative…

Information Retrieval · Computer Science 2025-11-12 Yueqing Xuan , Kacper Sokol , Mark Sanderson , Jeffrey Chan

In recommendation systems, there has been a growth in the number of recommendable items (# of movies, music, products). When the set of recommendable items is large, training and evaluation of item recommendation models becomes…

Information Retrieval · Computer Science 2024-10-14 Anushya Subbiah , Steffen Rendle , Vikram Aggarwal

Evaluating the quality of generated text automatically remains a significant challenge. Conventional reference-based metrics have been shown to exhibit relatively weak correlation with human evaluations. Recent research advocates the use of…

Computation and Language · Computer Science 2025-11-25 Xiao Wang , Daniil Larionov , Siwei Wu , Yiqi Liu , Steffen Eger , Nafise Sadat Moosavi , Chenghua Lin

Multi-modal recommender system focuses on utilizing rich modal information ( i.e., images and textual descriptions) of items to improve recommendation performance. The current methods have achieved remarkable success with the powerful…

Information Retrieval · Computer Science 2025-08-20 Shouxing Ma , Yawen Zeng , Shiqing Wu , Guandong Xu

In image generation, Multiple Latent Variable Generative Models (MLVGMs) employ multiple latent variables to gradually shape the final images, from global characteristics to finer and local details (e.g., StyleGAN, NVAE), emerging as…

Computer Vision and Pattern Recognition · Computer Science 2026-01-01 Dario Serez , Marco Cristani , Alessio Del Bue , Vittorio Murino , Pietro Morerio