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Recommender systems easily face the issue of user preference shifts. User representations will become out-of-date and lead to inappropriate recommendations if user preference has shifted over time. To solve the issue, existing work focuses…

信息检索 · 计算机科学 2023-03-29 Wenjie Wang , Xinyu Lin , Liuhui Wang , Fuli Feng , Yunshan Ma , Tat-Seng Chua

The discovery of causal relationships from high-dimensional data is a major open problem in bioinformatics. Machine learning and feature attribution models have shown great promise in this context but lack causal interpretation. Here, we…

机器学习 · 计算机科学 2023-04-26 Payam Dibaeinia , Saurabh Sinha

This paper focuses on detecting clickbait posts on the Web. These posts often use eye-catching disinformation in mixed modalities to mislead users to click for profit. That affects the user experience and thus would be blocked by content…

机器学习 · 计算机科学 2024-10-11 Jianxing Yu , Shiqi Wang , Han Yin , Zhenlong Sun , Ruobing Xie , Bo Zhang , Yanghui Rao

Recent advancements in diffusion models have shown promising results in sequential recommendation (SR). Existing approaches predominantly rely on implicit conditional diffusion models, which compress user behaviors into a single…

信息检索 · 计算机科学 2025-03-19 Hongtao Huang , Chengkai Huang , Tong Yu , Xiaojun Chang , Wen Hu , Julian McAuley , Lina Yao

Multispectral oriented object detection faces challenges due to both inter-modal and intra-modal discrepancies. Recent studies often rely on transformer-based models to address these issues and achieve cross-modal fusion detection. However,…

计算机视觉与模式识别 · 计算机科学 2024-07-12 Minghang Zhou , Tianyu Li , Chaofan Qiao , Dongyu Xie , Guoqing Wang , Ningjuan Ruan , Lin Mei , Yang Yang

Many marketing applications, including credit card incentive programs, offer rewards to customers who exceed specific spending thresholds to encourage increased consumption. Quantifying the causal effect of these thresholds on customers is…

统计方法学 · 统计学 2026-01-19 Kohsuke Kubota , Shonosuke Sugasawa

In role-playing games (RPGs), the level of immersion is critical-especially when an in-game agent conveys tasks, hints, or ideas to the player. For an agent to accurately interpret the player's emotional state and contextual nuances, a…

人工智能 · 计算机科学 2025-02-27 Daniel Weiner , Raj Korpan

Adapting to latent confounded shift remains a core challenge in modern AI. This setting is driven by hidden variables that induce spurious correlations between inputs and outputs during training, leading models to rely on non-causal…

机器学习 · 计算机科学 2026-05-14 Jialin Yu , Yuxiang Zhou , Haoxuan Li , Junchi Yu , Mengyue Yang , Yulan He , Nevin L. Zhang , Philip Torr , Ricardo Silva

Aspect-based Sentiment Analysis (ABSA) is a critical task in Natural Language Processing (NLP) that focuses on extracting sentiments related to specific aspects within a text, offering deep insights into customer opinions. Traditional…

Retrieval-augmented generation promises to ground language model outputs in external evidence, yet the field has no reliable way to verify whether retrieved context actually governs generation -- a prerequisite for any high-stakes…

人工智能 · 计算机科学 2026-05-27 Zhe Yu , Wenpeng Xing , Yunzhao Wei , Bo Yang , Chen Ye , Gaolei Li , Meng Han

While many areas of machine learning have benefited from the increasing availability of large and varied datasets, the benefit to causal inference has been limited given the strong assumptions needed to ensure identifiability of causal…

机器学习 · 计算机科学 2022-01-02 Wenshuo Guo , Serena Wang , Peng Ding , Yixin Wang , Michael I. Jordan

Recently, multimodal recommendations (MMR) have gained increasing attention for alleviating the data sparsity problem of traditional recommender systems by incorporating modality-based representations. Although MMR exhibits notable…

信息检索 · 计算机科学 2025-06-12 Weixin Chen , Li Chen , Yongxin Ni , Yuhan Zhao

Transformer-based agentic AI is rapidly being deployed on major platforms to help users shop, watch, and navigate content with less effort. While these systems can deliver impressive performance, a key concern is whether they may be less…

计算机与社会 · 计算机科学 2026-05-01 Jinhui Han , Ming Hu , Xilin Zhang

Industrial recommender systems are frequently tasked with approximating probabilities for multiple, often closely related, user actions. For example, predicting if a user will click on an advertisement and if they will then purchase the…

信息检索 · 计算机科学 2021-09-01 Conor O'Brien , Kin Sum Liu , James Neufeld , Rafael Barreto , Jonathan J Hunt

In most real-world large-scale online applications (e.g., e-commerce or finance), customer acquisition is usually a multi-step conversion process of audiences. For example, an impression->click->purchase process is usually performed of…

人工智能 · 计算机科学 2021-05-25 Dongbo Xi , Zhen Chen , Peng Yan , Yinger Zhang , Yongchun Zhu , Fuzhen Zhuang , Yu Chen

Click-through rate (CTR) prediction has become increasingly indispensable for various Internet applications. Traditional CTR models convert the multi-field categorical data into ID features via one-hot encoding, and extract the…

信息检索 · 计算机科学 2024-06-27 Jianghao Lin , Bo Chen , Hangyu Wang , Yunjia Xi , Yanru Qu , Xinyi Dai , Kangning Zhang , Ruiming Tang , Yong Yu , Weinan Zhang

Online user-generated content platforms allocate billions of dollars of promotional traffic through algorithms in two-sided marketplaces. To evaluate updates to these algorithms, platforms frequently rely on creator-side randomized…

计量经济学 · 经济学 2026-03-10 Ruohan Zhan , Shichao Han , Yuchen Hu , Zhenling Jiang

Short-term precipitation forecasting remains challenging due to the difficulty in capturing long-term spatiotemporal dependencies. Current deep learning methods fall short in establishing effective dependencies between conditions and…

机器学习 · 计算机科学 2024-10-18 ChaoRong Li , XuDong Ling , YiLan Xue , Wenjie Luo , LiHong Zhu , FengQing Qin , Yaodong Zhou , Yuanyuan Huang

Predicting the success of Conversational Task Assistants (CTA) can be critical to understand user behavior and act accordingly. In this paper, we propose TB-Rater, a Transformer model which combines conversational-flow features with user…

计算与语言 · 计算机科学 2023-09-21 Rafael Ferreira , David Semedo , João Magalhães

Multimodal Sentiment Analysis (MSA) aims to mine sentiment information from text, visual, and acoustic modalities. Previous works have focused on representation learning and feature fusion strategies. However, most of these efforts ignored…

多媒体 · 计算机科学 2023-07-26 Yuxuan Lei , Dingkang Yang , Mingcheng Li , Shunli Wang , Jiawei Chen , Lihua Zhang