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The increasing use of deep neural networks (DNNs) in safety-critical systems has raised concerns about their potential for exhibiting ill-behaviors. While DNN verification and testing provide post hoc conclusions regarding unexpected…

机器学习 · 计算机科学 2023-05-09 Zhen Liang , Taoran Wu , Changyuan Zhao , Wanwei Liu , Bai Xue , Wenjing Yang , Ji Wang

The problem of session-based recommendation aims to predict user next actions based on session histories. Previous methods models session histories into sequences and estimate user latent features by RNN and GNN methods to make…

信息检索 · 计算机科学 2020-08-07 Bo Huang , Ye Bi , Zhenyu Wu , Jianming Wang , Jing Xiao

Recently, Graph Neural Networks (GNNs) have proven their effectiveness for recommender systems. Existing studies have applied GNNs to capture collaborative relations in the data. However, in real-world scenarios, the relations in a…

信息检索 · 计算机科学 2021-11-30 Xiaohan Li , Zhiwei Liu , Stephen Guo , Zheng Liu , Hao Peng , Philip S. Yu , Kannan Achan

Neural network methods have achieved great success in reviews sentiment classification. Recently, some works achieved improvement by incorporating user and product information to generate a review representation. However, in reviews, we…

计算与语言 · 计算机科学 2018-01-25 Zhen Wu , Xin-Yu Dai , Cunyan Yin , Shujian Huang , Jiajun Chen

With the popularity of social networks, and e-commerce websites, sentiment analysis has become a more active area of research in the past few years. On a high level, sentiment analysis tries to understand the public opinion about a specific…

计算与语言 · 计算机科学 2019-04-14 Shervin Minaee , Elham Azimi , AmirAli Abdolrashidi

Neural marked temporal point processes have been a valuable addition to the existing toolbox of statistical parametric models for continuous-time event data. These models are useful for sequences where each event is associated with a single…

机器学习 · 计算机科学 2024-03-20 Yuxin Chang , Alex Boyd , Padhraic Smyth

Industrial recommendation systems are typically composed of multiple stages, including retrieval, ranking, and blending. The retrieval stage plays a critical role in generating a high-recall set of candidate items that covers a wide range…

信息检索 · 计算机科学 2025-07-01 Zhibo Fan , Hongtao Lin , Haoyu Chen , Bowen Deng , Hedi Xia , Yuke Yan , James Li

Most existing recommender systems represent a user's preference with a feature vector, which is assumed to be fixed when predicting this user's preferences for different items. However, the same vector cannot accurately capture a user's…

信息检索 · 计算机科学 2019-08-22 Fan Liu , Zhiyong Cheng , Changchang Sun , Yinglong Wang , Liqiang Nie , Mohan Kankanhalli

Next (or successive) point-of-interest (POI) recommendation has attracted increasing attention in recent years. Most of the previous studies attempted to incorporate the spatiotemporal information and sequential patterns of user check-ins…

社会与信息网络 · 计算机科学 2021-01-11 Liwei Huang , Yutao Ma , Yanbo Liu , Keqing He

Learning the dynamics of spatiotemporal events is a fundamental problem. Neural point processes enhance the expressivity of point process models with deep neural networks. However, most existing methods only consider temporal dynamics…

机器学习 · 计算机科学 2024-12-10 Zihao Zhou , Xingyi Yang , Ryan Rossi , Handong Zhao , Rose Yu

Social-based recommendation systems exploit the selections of friends to combat the data sparsity on user preferences, and improve the recommendation accuracy of the collaborative filtering strategy. The main challenge is to capture and…

信息检索 · 计算机科学 2019-07-04 Dimitrios Rafailidis , Gerhard Weiss

Shared-account Cross-domain Sequential Recommendation (SCSR) task aims to recommend the next item via leveraging the mixed user behaviors in multiple domains. It is gaining immense research attention as more and more users tend to sign up…

信息检索 · 计算机科学 2022-09-09 Lei Guo , Jinyu Zhang , Li Tang , Tong Chen , Lei Zhu , Hongzhi Yin

Human motion modelling is a classical problem at the intersection of graphics and computer vision, with applications spanning human-computer interaction, motion synthesis, and motion prediction for virtual and augmented reality. Following…

计算机视觉与模式识别 · 计算机科学 2017-05-09 Julieta Martinez , Michael J. Black , Javier Romero

Human actions captured in video sequences contain two crucial factors for action recognition, i.e., visual appearance and motion dynamics. To model these two aspects, Convolutional and Recurrent Neural Networks (CNNs and RNNs) are adopted…

计算机视觉与模式识别 · 计算机科学 2019-05-01 Yuan Yuan , Dong Wang , Qi Wang

Deep-learning models such as Convolutional Neural Networks (CNN) and Long Short-Term Memory (LSTM) have been successfully used for process-mining tasks. They have achieved better performance for different predictive tasks than traditional…

机器学习 · 计算机科学 2021-05-04 Ishwar Venugopal , Jessica Töllich , Michael Fairbank , Ansgar Scherp

User intended actions are widely seen in many areas. Forecasting these actions and taking proactive measures to optimize business outcome is a crucial step towards sustaining the steady business growth. In this work, we focus on pre-…

机器学习 · 计算机科学 2018-10-12 Fei Tan , Zhi Wei , Jun He , Xiang Wu , Bo Peng , Haoran Liu , Zhenyu Yan

Capturing the dynamics in user preference is crucial to better predict user future behaviors because user preferences often drift over time. Many existing recommendation algorithms -- including both shallow and deep ones -- often model such…

信息检索 · 计算机科学 2022-04-05 Chao Chen , Dongsheng Li , Junchi Yan , Xiaokang Yang

Current neural network models of primate vision focus on replicating overall levels of behavioral accuracy, often neglecting perceptual decisions' rich, dynamic nature. Here, we introduce a novel computational framework to model the…

人工智能 · 计算机科学 2024-12-30 Yu-Ang Cheng , Ivan Felipe Rodriguez , Sixuan Chen , Kohitij Kar , Takeo Watanabe , Thomas Serre

Predicting user responses, such as clicks and conversions, is of great importance and has found its usage in many Web applications including recommender systems, web search and online advertising. The data in those applications is mostly…

机器学习 · 计算机科学 2016-11-02 Yanru Qu , Han Cai , Kan Ren , Weinan Zhang , Yong Yu , Ying Wen , Jun Wang

Deep Interest Network (DIN) is a state-of-the-art model which uses attention mechanism to capture user interests from historical behaviors. User interests intuitively follow a hierarchical pattern such that users generally show interests…

信息检索 · 计算机科学 2020-05-28 Weinan Xu , Hengxu He , Minshi Tan , Yunming Li , Jun Lang , Dongbai Guo
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