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Click-through rate (CTR) prediction has been one of the most central problems in computational advertising. Lately, embedding techniques that produce low-dimensional representations of ad IDs drastically improve CTR prediction accuracies.…

机器学习 · 计算机科学 2019-04-29 Feiyang Pan , Shuokai Li , Xiang Ao , Pingzhong Tang , Qing He

Recommendation Systems have become integral to modern user experiences, but lack transparency in their decision-making processes. Existing explainable recommendation methods are hindered by reliance on a post-hoc paradigm, wherein…

信息检索 · 计算机科学 2024-12-04 Xiaohan Yu , Li Zhang , Chong Chen

Most of the existing methods for debaising in click-through rate (CTR) prediction depend on an oversimplified assumption, i.e., the click probability is the product of observation probability and relevance probability. However, since there…

信息检索 · 计算机科学 2021-12-07 Wenjie Chu , Shen Li , Chao Chen , Longfei Xu , Hengbin Cui , Kaikui Liu

The Heston stochastic volatility model is a widely used tool in financial mathematics for pricing European options. However, its calibration remains computationally intensive and sensitive to local minima due to the model's nonlinear…

偏微分方程分析 · 数学 2026-04-21 Arman Zadgar , Somayeh Fallah , Farshid Mehrdoust , Juan E. Trinidad Segovia

With the widespread application of personalized online services, click-through rate (CTR) prediction has received more and more attention and research. The most prominent features of CTR prediction are its multi-field categorical data…

信息检索 · 计算机科学 2023-08-04 Jianghao Lin , Yanru Qu , Wei Guo , Xinyi Dai , Ruiming Tang , Yong Yu , Weinan Zhang

Click-through-rate (CTR) prediction has an essential impact on improving user experience and revenue in e-commerce search. With the development of deep learning, graph-based methods are well exploited to utilize graph structure extracted…

信息检索 · 计算机科学 2024-07-08 Pipi Peng , Yunqing Jia , Ziqiang Zhou , murmurhash , Zichong Xiao

Click-Through Rate prediction aims to predict the ratio of clicks to impressions of a specific link. This is a challenging task since (1) there are usually categorical features, and the inputs will be extremely high-dimensional if one-hot…

机器学习 · 计算机科学 2021-06-30 Qiuqiang Lin , Chuanhou Gao

This paper develops online algorithms to track solutions of time-varying constrained optimization problems. Particularly, resembling workhorse Kalman filtering-based approaches for dynamical systems, the proposed methods involve…

最优化与控制 · 数学 2021-11-29 Andrea Simonetto , Emiliano Dall'Anese

Hyperparameter selection in continual learning scenarios is a challenging and underexplored aspect, especially in practical non-stationary environments. Traditional approaches, such as grid searches with held-out validation data from all…

机器学习 · 计算机科学 2024-06-21 Rudy Semola , Julio Hurtado , Vincenzo Lomonaco , Davide Bacciu

The question of fast convergence in the classical problem of high dimensional linear regression has been extensively studied. Arguably, one of the fastest procedures in practice is Iterative Hard Thresholding (IHT). Still, IHT relies…

统计理论 · 数学 2020-08-28 Mohamed Ndaoud

In the Click-Through Rate (CTR) prediction scenario, user's sequential behaviors are well utilized to capture the user interest in the recent literature. However, despite being extensively studied, these sequential methods still suffer from…

信息检索 · 计算机科学 2021-11-04 Kai Zhang , Hao Qian , Qing Cui , Qi Liu , Longfei Li , Jun Zhou , Jianhui Ma , Enhong Chen

Click-through rate (CTR) prediction is a crucial task in online display advertising. The embedding-based neural networks have been proposed to learn both explicit feature interactions through a shallow component and deep feature…

机器学习 · 计算机科学 2021-01-08 Wei Deng , Junwei Pan , Tian Zhou , Deguang Kong , Aaron Flores , Guang Lin

Click through rate (CTR) prediction of image ads is the core task of online display advertising systems, and logistic regression (LR) has been frequently applied as the prediction model. However, LR model lacks the ability of extracting…

计算机视觉与模式识别 · 计算机科学 2016-09-21 Junxuan Chen , Baigui Sun , Hao Li , Hongtao Lu , Xian-Sheng Hua

Ranking is a crucial module using in the recommender system. In particular, the ranking module using in our YoungTao recommendation scenario is to provide an ordered list of items to users, to maximize the click number throughout the…

信息检索 · 计算机科学 2023-08-29 Shaowei Liu , Yangjun Liu

Click-Through Rate (CTR) prediction plays an important role in many industrial applications, and recently a lot of attention is paid to the deep interest models which use attention mechanism to capture user interests from historical…

信息检索 · 计算机科学 2021-05-24 Keke Zhao , Xing Zhao , Qi Cao , Linjian Mo

Estimating click-through rate (CTR) accurately has an essential impact on improving user experience and revenue in sponsored search. For CTR prediction model, it is necessary to make out user real-time search intention. Most of the current…

机器学习 · 计算机科学 2021-03-31 Feng Li , Zhenrui Chen , Pengjie Wang , Yi Ren , Di Zhang , Xiaoyu Zhu

Heckman selection model is perhaps the most popular econometric model in the analysis of data with sample selection. The analyses of this model are based on the normality assumption for the error terms, however, in some applications, the…

统计方法学 · 统计学 2020-06-16 Victor H. Lachos Davila , Marcos O. Prates , Dipak K. Dey

Tensor Network (TN) Kernel Machines speed up model learning by representing parameters as low-rank TNs, reducing computation and memory use. However, most TN-based Kernel methods are deterministic and ignore parameter uncertainty. Further,…

机器学习 · 统计学 2025-07-16 Afra Kilic , Kim Batselier

We propose a novel model for learned query optimization which provides query hints leading to better execution plans. The model addresses the three key challenges in learned hint-based query optimization: reliable hint recommendation…

数据库 · 计算机科学 2024-12-06 Sergey Zinchenko , Sergey Iazov

Hyperparameter optimisation (HPO) is crucial for achieving strong performance in reinforcement learning (RL), as RL algorithms are inherently sensitive to hyperparameter settings. Probabilistic Curriculum Learning (PCL) is a curriculum…

机器学习 · 计算机科学 2025-04-10 Llewyn Salt , Marcus Gallagher