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The recurrent neural networks (RNN) can be used to solve the sequence to sequence problem, where both the input and the output have sequential structures. Usually there are some implicit relations between the structures. However, it is hard…

计算机视觉与模式识别 · 计算机科学 2016-01-27 Feng Wang , David M. J. Tax

We present Hindsight Network Credit Assignment (HNCA), a novel learning method for stochastic neural networks, which works by assigning credit to each neuron's stochastic output based on how it influences the output of its immediate…

机器学习 · 计算机科学 2020-11-26 Kenny Young

Recommender systems play a crucial role in enabling personalized content delivery amidst the challenges of information overload and human mobility. Although conventional methods often rely on interaction matrices or graph-based retrieval,…

信息检索 · 计算机科学 2025-06-23 Tan Loc Nguyen , Tin T. Tran

We report the results of our classification-based machine translation model, built upon the framework of a recurrent neural network using gated recurrent units. Unlike other RNN models that attempt to maximize the overall conditional log…

神经与进化计算 · 计算机科学 2017-03-24 Ri Wang , Maysum Panju , Mahmood Gohari

Session-based recommendation (SBR) is a challenging task, which aims at recommending items based on anonymous behavior sequences. Almost all the existing solutions for SBR model user preference only based on the current session without…

信息检索 · 计算机科学 2021-06-10 Ziyang Wang , Wei Wei , Gao Cong , Xiao-Li Li , Xian-Ling Mao , Minghui Qiu

Graph neural networks (GNN) have emerged as a powerful tool for fraud detection tasks, where fraudulent nodes are identified by aggregating neighbor information via different relations. To get around such detection, crafty fraudsters resort…

机器学习 · 计算机科学 2022-02-22 Yajing Liu , Zhengya Sun , Wensheng Zhang

Existing review-based recommendation methods usually use the same model to learn the representations of all users/items from reviews posted by users towards items. However, different users have different preference and different items have…

信息检索 · 计算机科学 2019-05-31 Hongtao Liu , Fangzhao Wu , Wenjun Wang , Xianchen Wang , Pengfei Jiao , Chuhan Wu , Xing Xie

With the development of the online education system, personalized education recommendation has played an essential role. In this paper, we focus on developing path recommendation systems that aim to generating and recommending an entire…

Predicting the next interaction of a short-term interaction session is a challenging task in session-based recommendation. Almost all existing works rely on item transition patterns, and neglect the impact of user historical sessions while…

信息检索 · 计算机科学 2022-03-01 Yitong Pang , Lingfei Wu , Qi Shen , Yiming Zhang , Zhihua Wei , Fangli Xu , Ethan Chang , Bo Long , Jian Pei

Sequential recommendation is a task to capture hidden user preferences from historical user item interaction data and recommend next items for the user. Significant progress has been made in this domain by leveraging classification based…

信息检索 · 计算机科学 2024-08-30 Panfeng Cao , Pietro Lio

Sequential recommendation (SR), which encodes user activity to predict the next action, has emerged as a widely adopted strategy in developing commercial personalized recommendation systems. Although Transformer-based models have proven…

信息检索 · 计算机科学 2025-04-11 Jun Yuan

In representation learning on graph-structured data, many popular graph neural networks (GNNs) fail to capture long-range dependencies, leading to performance degradation. Furthermore, this weakness is magnified when the concerned graph is…

机器学习 · 计算机科学 2024-03-07 Mengying Jiang , Guizhong Liu , Yuanchao Su , Xinliang Wu

Sequential recommendation aims to estimate how a user's interests evolve over time via uncovering valuable patterns from user behavior history. Many previous sequential models have solely relied on users' historical information to model the…

信息检索 · 计算机科学 2024-08-15 Lei Zheng , Ning Li , Yanhuan Huang , Ruiwen Xu , Weinan Zhang , Yong Yu

Unsupervised structure learning in high-dimensional time series data has attracted a lot of research interests. For example, segmenting and labelling high dimensional time series can be helpful in behavior understanding and medical…

机器学习 · 计算机科学 2017-05-25 Hao Liu , Haoli Bai , Lirong He , Zenglin Xu

Most existing Convolutional Neural Networks(CNNs) used for action recognition are either difficult to optimize or underuse crucial temporal information. Inspired by the fact that the recurrent model consistently makes breakthroughs in the…

计算机视觉与模式识别 · 计算机科学 2018-01-04 Zhenxing Zheng , Gaoyun An , Qiuqi Ruan

Different from most conventional recommendation problems, sequential recommendation focuses on learning users' preferences by exploiting the internal order and dependency among the interacted items, which has received significant attention…

信息检索 · 计算机科学 2025-03-14 Liwei Pan , Weike Pan , Meiyan Wei , Hongzhi Yin , Zhong Ming

Social media plays a crucial role in shaping society, often amplifying polarization and spreading misinformation. These effects stem from complex dynamics involving user interactions, individual traits, and recommender algorithms driving…

Speaker change detection (SCD) is an important task in dialog modeling. Our paper addresses the problem of text-based SCD, which differs from existing audio-based studies and is useful in various scenarios, for example, processing dialog…

计算与语言 · 计算机科学 2018-10-01 Zhao Meng , Lili Mou , Zhi Jin

Given a textual description of an image, phrase grounding localizes objects in the image referred by query phrases in the description. State-of-the-art methods address the problem by ranking a set of proposals based on the relevance to each…

计算机视觉与模式识别 · 计算机科学 2017-08-08 Kan Chen , Rama Kovvuri , Ram Nevatia

While convolutional neural networks have gained impressive success recently in solving structured prediction problems such as semantic segmentation, it remains a challenge to differentiate individual object instances in the scene. Instance…

机器学习 · 计算机科学 2017-07-14 Mengye Ren , Richard S. Zemel