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The LifeTime Value (LTV) prediction, which endeavors to forecast the cumulative purchase contribution of a user to a particular item, remains a vital challenge that advertisers are keen to resolve. A precise LTV prediction system enhances…

机器学习 · 计算机科学 2025-08-14 Aochuan Chen , Yifan Niu , Ziqi Gao , Yujie Sun , Shoujun Liu , Gong Chen , Yang Liu , Jia Li

Generative retrieval stands out as a promising new paradigm in text retrieval that aims to generate identifier strings of relevant passages as the retrieval target. This generative paradigm taps into powerful generative language models,…

计算与语言 · 计算机科学 2023-12-19 Yongqi Li , Nan Yang , Liang Wang , Furu Wei , Wenjie Li

Conventional time-series forecasting methods typically aim to minimize overall prediction error, without accounting for the varying importance of different forecast ranges in downstream applications. We propose a training methodology that…

Scene graph generation (SGG) endeavors to predict visual relationships between pairs of objects within an image. Prevailing SGG methods traditionally assume a one-off learning process for SGG. This conventional paradigm may necessitate…

计算机视觉与模式识别 · 计算机科学 2024-01-29 Tao He , Tongtong Wu , Dongyang Zhang , Guiduo Duan , Ke Qin , Yuan-Fang Li

Despite significant progress of generative models in the natural sciences, their controllability remains challenging. One fundamentally missing aspect of molecular or protein generative models is an inductive bias that can reflect…

机器学习 · 计算机科学 2023-08-25 Jannis Born , Matteo Manica

Reranking, as the final stage of recommender systems, plays a crucial role in determining the final exposure, directly influencing user experience. Recently, generative reranking has gained increasing attention for formulating reranking as…

信息检索 · 计算机科学 2026-02-12 Qiya Yang , Xiaoxi Liang , Zeping Xiao , Ying Cao , Yingjie Deng , Yuxin Ren , Yalong Wang , Yongqi Liu

It is still common to use Q-learning and temporal difference (TD) learning-even though they have divergence issues and sound Gradient TD alternatives exist-because divergence seems rare and they typically perform well. However, recent work…

机器学习 · 计算机科学 2020-09-21 Sina Ghiassian , Andrew Patterson , Shivam Garg , Dhawal Gupta , Adam White , Martha White

Through sequential construction of posteriors on observing data online, Bayes' theorem provides a natural framework for continual learning. We develop Variational Auto-Regressive Gaussian Processes (VAR-GPs), a principled posterior updating…

机器学习 · 统计学 2021-06-15 Sanyam Kapoor , Theofanis Karaletsos , Thang D. Bui

Conventional uncertainty-aware temporal difference (TD) learning often assumes a zero-mean Gaussian distribution for TD errors, leading to inaccurate error representations and compromised uncertainty estimation. We introduce a novel…

机器学习 · 计算机科学 2025-02-04 Seyeon Kim , Joonhun Lee , Namhoon Cho , Sungjun Han , Wooseop Hwang

Temporal relational modeling in video is essential for human action understanding, such as action recognition and action segmentation. Although Graph Convolution Networks (GCNs) have shown promising advantages in relation reasoning on many…

计算机视觉与模式识别 · 计算机科学 2020-12-15 Dong Wang , Di Hu , Xingjian Li , Dejing Dou

With the increasing demands on e-commerce platforms, numerous user action history is emerging. Those enriched action records are vital to understand users' interests and intents. Recently, prior works for user behavior prediction mainly…

信息检索 · 计算机科学 2022-02-15 Ruijie Wang , Zheng Li , Danqing Zhang , Qingyu Yin , Tong Zhao , Bing Yin , Tarek Abdelzaher

Recent neural approaches to data-to-text generation have mostly focused on improving content fidelity while lacking explicit control over writing styles (e.g., word choices, sentence structures). More traditional systems use templates to…

计算与语言 · 计算机科学 2020-10-12 Shuai Lin , Wentao Wang , Zichao Yang , Xiaodan Liang , Frank F. Xu , Eric Xing , Zhiting Hu

A grand challenge in machine learning is the development of computational algorithms that match or outperform humans in perceptual inference tasks that are complicated by nuisance variation. For instance, visual object recognition involves…

机器学习 · 统计学 2015-04-03 Ankit B. Patel , Tan Nguyen , Richard G. Baraniuk

Neural networks have achieved remarkable success in time series classification, but their reliance on large amounts of labeled data for training limits their applicability in cold-start scenarios. Moreover, they lack interpretability,…

机器学习 · 计算机科学 2025-07-15 Jintao Qu , Zichong Wang , Chenhao Wu , Wenbin Zhang

Learner performance data collected by Intelligent Tutoring Systems (ITSs), such as responses to questions, is essential for modeling and predicting learners' knowledge states. However, missing responses due to skips or incomplete attempts…

Many tasks in video analysis and understanding boil down to the need for frame-based feature learning, aiming to encapsulate the relevant visual content so as to enable simpler and easier subsequent processing. While supervised strategies…

计算机视觉与模式识别 · 计算机科学 2023-02-09 Guy Bar-Shalom , George Leifman , Michael Elad , Ehud Rivlin

Trajectory prediction (TP) plays an important role in supporting the decision-making of Air Traffic Controllers (ATCOs). Traditional TP methods are deterministic and physics-based, with parameters that are calibrated using aircraft…

系统与控制 · 电气工程与系统科学 2023-09-27 Nick Pepper , George De Ath , Marc Thomas , Richard Everson , Tim Dodwell

Catastrophic forgetting is one of the major challenges in continual learning. To address this issue, some existing methods put restrictive constraints on the optimization space of the new task for minimizing the interference to old tasks.…

机器学习 · 计算机科学 2022-02-08 Sen Lin , Li Yang , Deliang Fan , Junshan Zhang

The task of weakly supervised temporal sentence grounding (WSTSG) aims to detect temporal intervals corresponding to a language description from untrimmed videos with only video-level video-language correspondence. For an anchor sample,…

计算机视觉与模式识别 · 计算机科学 2025-05-13 Lu Dong , Haiyu Zhang , Hongjie Zhang , Yifei Huang , Zhen-Hua Ling , Yu Qiao , Limin Wang , Yali Wang

Recent flow matching models for text-to-image generation have achieved remarkable quality, yet their integration with reinforcement learning for human preference alignment remains suboptimal, hindering fine-grained reward-based…

计算机视觉与模式识别 · 计算机科学 2025-10-16 Xiaoxuan He , Siming Fu , Yuke Zhao , Wanli Li , Jian Yang , Dacheng Yin , Fengyun Rao , Bo Zhang