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Visually-aware recommendation on E-commerce platforms aims to leverage visual information of items to predict a user's preference. It is commonly observed that user's attention to visual features does not always reflect the real preference.…

信息检索 · 计算机科学 2021-07-14 Ruihong Qiu , Sen Wang , Zhi Chen , Hongzhi Yin , Zi Huang

Multimodal click-through rate (CTR) prediction is a key technique in industrial recommender systems. It leverages heterogeneous modalities such as text, images, and behavioral logs to capture high-order feature interactions between users…

信息检索 · 计算机科学 2025-04-28 Honghao Li , Hanwei Li , Jing Zhang , Yi Zhang , Ziniu Yu , Lei Sang , Yiwen Zhang

While multimodal large language models (MLLMs) have made groundbreaking progress in embodied intelligence, they still face significant challenges in spatial reasoning for complex long-horizon tasks. To address this gap, we propose…

Conversational Recommender Systems (CRS) has become an emerging research topic seeking to perform recommendations through interactive conversations, which generally consist of generation and recommendation modules. Prior work on CRS tends…

计算与语言 · 计算机科学 2022-09-26 Lingzhi Wang , Shafiq Joty , Wei Gao , Xingshan Zeng , Kam-Fai Wong

Promotions are becoming more important and prevalent in e-commerce to attract customers and boost sales, leading to frequent changes of occasions, which drives users to behave differently. In such situations, most existing Click-Through…

机器学习 · 计算机科学 2023-03-31 Xiaofeng Pan , Yibin Shen , Jing Zhang , Xu He , Yang Huang , Hong Wen , Chengjun Mao , Bo Cao

Real-time Bidding (RTB) advertisers wish to \textit{know in advance} the expected cost and yield of ad campaigns to avoid trial-and-error expenses. However, Campaign Performance Forecasting (CPF), a sequence modeling task involving tens of…

信息检索 · 计算机科学 2024-05-20 XiaoYu Wang , YongHui Guo , Hui Sheng , Peili Lv , Chi Zhou , Wei Huang , ShiQin Ta , Dongbo Huang , XiuJin Yang , Lan Xu , Hao Zhou , Yusheng Ji

Click-through rate (CTR) prediction plays a key role in modern online personalization services. In practice, it is necessary to capture user's drifting interests by modeling sequential user behaviors to build an accurate CTR prediction…

信息检索 · 计算机科学 2020-05-29 Jiarui Qin , Weinan Zhang , Xin Wu , Jiarui Jin , Yuchen Fang , Yong Yu

In this work, we introduce the notion of Context-Based Prediction Models. A Context-Based Prediction Model determines the probability of a user's action (such as a click or a conversion) solely by relying on user and contextual features,…

信息检索 · 计算机科学 2023-08-03 Jan Hartman , Assaf Klein , Davorin Kopič , Natalia Silberstein

Ranking models are extensively used in e-commerce for relevance estimation. These models often suffer from poor interpretability and no scale calibration, particularly when trained with typical ranking loss functions. This paper addresses…

信息检索 · 计算机科学 2026-01-14 Piotr Bajger , Roman Dusek , Krzysztof Galias , Paweł Młyniec , Aleksander Wawer , Paweł Zawistowski

E-commerce search systems rely on modeling user behavior to estimate item relevance and user preference, which are typically assumed to be stable and independently learnable signals. However, in practice, user interactions are jointly…

信息检索 · 计算机科学 2026-05-11 Haoqian Zhang , Ziyuan Yang , Yi Zhang

Sequential Recommender Systems (SRS) aim to predict users' next interaction based on their historical behaviors, while still facing the challenge of data sparsity. With the rapid advancement of Multimodal Large Language Models (MLLMs),…

信息检索 · 计算机科学 2026-02-17 Mingyao Huang , Qidong Liu , Wenxuan Yang , Moranxin Wang , Yuqi Sun , Haiping Zhu , Feng Tian , Yan Chen

Cross-domain sequential recommendation (CDSR) shifts the modeling of user preferences from flat to stereoscopic by integrating and learning interaction information from multiple domains at different granularities (ranging from…

信息检索 · 计算机科学 2024-08-27 Shu Chen , Zitao Xu , Weike Pan , Qiang Yang , Zhong Ming

In online advertising, conventional post-click conversion rate (CVR) estimation models are trained using clicked samples. However, during online serving the models need to estimate for all impression ads, leading to the sample selection…

信息检索 · 计算机科学 2022-01-21 Zixuan Xu , Penghui Wei , Weimin Zhang , Shaoguo Liu , Liang Wang , Bo Zheng

In industrial recommender systems, conversion rate (CVR) is widely used for traffic allocation, but it fails to fully reflect recommendation effectiveness because it ignores refund behavior. To better capture true user satisfaction and…

机器学习 · 计算机科学 2026-01-30 Mingxuan Luo , Guipeng Xv , Sishuo Chen , Xinyu Li , Li Zhang , Zhangming Chan , Xiang-Rong Sheng , Han Zhu , Jian Xu , Bo Zheng , Chen Lin

Modern industrial recommendation systems improve recommendation performance by integrating multimodal representations from pre-trained models into ID-based Click-Through Rate (CTR) prediction frameworks. However, existing approaches…

信息检索 · 计算机科学 2026-04-17 Alin Fan , Hanqing Li , Sihan Lu , Jingsong Yuan , Jiandong Zhang

The Click-Through Rate (CTR) prediction task is critical in industrial recommender systems, where models are usually deployed on dynamic streaming data in practical applications. Such streaming data in real-world recommender systems face…

信息检索 · 计算机科学 2023-07-17 Qi-Wei Wang , Hongyu Lu , Yu Chen , Da-Wei Zhou , De-Chuan Zhan , Ming Chen , Han-Jia Ye

The goal of recommender systems is to help users find useful items from a large catalog of items by producing a list of item recommendations for every user. Data sets based on implicit data collection have a number of special…

信息检索 · 计算机科学 2020-12-22 Markus Viljanen , Tapio Pahikkala

Click-through rate (CTR) prediction is a critical task in online advertising systems. A large body of research considers each ad independently, but ignores its relationship to other ads that may impact the CTR. In this paper, we investigate…

机器学习 · 计算机科学 2019-07-22 Wentao Ouyang , Xiuwu Zhang , Li Li , Heng Zou , Xin Xing , Zhaojie Liu , Yanlong Du

Predicting the click-through rate of an advertisement is a critical component of online advertising platforms. In sponsored search, the click-through rate estimates the probability that a displayed advertisement is clicked by a user after…

机器学习 · 统计学 2017-07-10 Bora Edizel , Amin Mantrach , Xiao Bai

Click-through prediction (CTR) models transform features into latent vectors and enumerate possible feature interactions to improve performance based on the input feature set. Therefore, when selecting an optimal feature set, we should…

信息检索 · 计算机科学 2024-03-27 Fuyuan Lyu , Xing Tang , Dugang Liu , Liang Chen , Xiuqiang He , Xue Liu