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Spatio-temporal machine learning is critically needed for a variety of societal applications, such as agricultural monitoring, hydrological forecast, and traffic management. These applications greatly rely on regional features that…

机器学习 · 计算机科学 2023-03-09 Zhexiong Liu , Licheng Liu , Yiqun Xie , Zhenong Jin , Xiaowei Jia

As deep neural networks are growing in size and being increasingly deployed to more resource-limited devices, there has been a recent surge of interest in network pruning methods, which aim to remove less important weights or activations of…

机器学习 · 计算机科学 2020-06-23 Minyoung Song , Jaehong Yoon , Eunho Yang , Sung Ju Hwang

Response timing judgment is a critical component of interactive speech agents. Although there exists substantial prior work on turn modeling and voice wake-up, there is a lack of research on response timing judgments continuously aligned…

人机交互 · 计算机科学 2026-03-17 Zihong He , Hai-Ning Liang , Chen Liang

Adapting pre-trained models with broad capabilities has become standard practice for learning a wide range of downstream tasks. The typical approach of fine-tuning different models for each task is performant, but incurs a substantial…

A fundamental problem in multi-task learning (MTL) is identifying groups of tasks that should be learned together. Since training MTL models for all possible combinations of tasks is prohibitively expensive for large task sets, a crucial…

机器学习 · 计算机科学 2026-02-24 Afiya Ayman , Ayan Mukhopadhyay , Aron Laszka

Recommender systems have become an essential instrument in a wide range of industries to personalize the user experience. A significant issue that has captured both researchers' and industry experts' attention is the cold start problem for…

机器学习 · 计算机科学 2020-12-03 Ivan Maksimov , Rodrigo Rivera-Castro , Evgeny Burnaev

Recently, Temporal Graph Neural Networks (TGNNs) have demonstrated state-of-the-art performance in various high-impact applications, including fraud detection and content recommendation. Despite the success of TGNNs, they are prone to the…

Graph Continual Learning (GCL) aims to solve the challenges of streaming graph data. However, current methods often depend on replay-based strategies, which raise concerns like memory limits and privacy issues, while also struggling to…

机器学习 · 计算机科学 2026-02-10 Jingtao Liu , Xinming Zhang

Prediction-based approaches are widely used in neural architecture search (NAS), where a predictor estimates the performance of candidate architectures to guide selection. However, existing predictors are typically trained via supervised…

机器学习 · 计算机科学 2026-05-12 Liping Deng , MingQing Xiao

The behavior of users in certain services could be a clue that can be used to infer their preferences and may be used to make recommendations for other services they have never used. However, the cross-domain relationships between items and…

机器学习 · 计算机科学 2018-03-09 Heishiro Kanagawa , Hayato Kobayashi , Nobuyuki Shimizu , Yukihiro Tagami , Taiji Suzuki

Meta-learning for few-shot learning entails acquiring a prior over previous tasks and experiences, such that new tasks be learned from small amounts of data. However, a critical challenge in few-shot learning is task ambiguity: even when a…

机器学习 · 计算机科学 2019-10-18 Chelsea Finn , Kelvin Xu , Sergey Levine

Cross-domain Recommendation systems leverage multi-domain user interactions to improve performance, especially in sparse data or new user scenarios. However, CDR faces challenges such as effectively capturing user preferences and avoiding…

信息检索 · 计算机科学 2024-10-10 Junxiong Tong , Mingjia Yin , Hao Wang , Qiushi Pan , Defu Lian , Enhong Chen

Meta-learning methods have been extensively studied and applied in computer vision, especially for few-shot classification tasks. The key idea of meta-learning for few-shot classification is to mimic the few-shot situations faced at test…

计算机视觉与模式识别 · 计算机科学 2020-07-20 Chenghao Liu , Zhihao Wang , Doyen Sahoo , Yuan Fang , Kun Zhang , Steven C. H. Hoi

Conditional Neural Processes (CNPs; Garnelo et al., 2018a) are meta-learning models which leverage the flexibility of deep learning to produce well-calibrated predictions and naturally handle off-the-grid and missing data. CNPs scale to…

机器学习 · 统计学 2022-06-14 Stratis Markou , James Requeima , Wessel P. Bruinsma , Anna Vaughan , Richard E. Turner

This paper presents a novel optimization method for maximizing generalization over tasks in meta-learning. The goal of meta-learning is to learn a model for an agent adapting rapidly when presented with previously unseen tasks. Tasks are…

机器学习 · 计算机科学 2018-10-19 Amir Erfan Eshratifar , David Eigen , Massoud Pedram

In recommender systems, cold-start issues are situations where no previous events, e.g. ratings, are known for certain users or items. In this paper, we focus on the item cold-start problem. Both content information (e.g. item attributes)…

信息检索 · 计算机科学 2018-05-24 Yu Zhu , Jinhao Lin , Shibi He , Beidou Wang , Ziyu Guan , Haifeng Liu , Deng Cai

Collaborative filtering is used to recommend items to a user without requiring a knowledge of the item itself and tends to outperform other techniques. However, collaborative filtering suffers from the cold-start problem, which occurs when…

机器学习 · 计算机科学 2014-06-10 Michael R. Smith , Tony Martinez , Michael Gashler

This paper proposes a novel neural network, joint training capsule network (JTCN), for the cold start recommendation task. We propose to mimic the high-level user preference other than the raw interaction history based on the side…

信息检索 · 计算机科学 2020-05-26 Tingting Liang , Congying Xia , Yuyu Yin , Philip S. Yu

Recommender systems often face heterogeneous datasets containing highly personalized historical data of users, where no single model could give the best recommendation for every user. We observe this ubiquitous phenomenon on both public and…

信息检索 · 计算机科学 2020-05-06 Mi Luo , Fei Chen , Pengxiang Cheng , Zhenhua Dong , Xiuqiang He , Jiashi Feng , Zhenguo Li

Node classification is of great importance among various graph mining tasks. In practice, real-world graphs generally follow the long-tail distribution, where a large number of classes only consist of limited labeled nodes. Although Graph…

机器学习 · 计算机科学 2022-06-27 Song Wang , Kaize Ding , Chuxu Zhang , Chen Chen , Jundong Li