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Unbiased Learning to Rank (ULTR) aims to train unbiased ranking models from biased click logs, by explicitly modeling a generation process for user behavior and fitting click data based on examination hypothesis. Previous research found…

信息检索 · 计算机科学 2024-05-27 Mouxiang Chen , Chenghao Liu , Zemin Liu , Zhuo Li , Jianling Sun

Network representation learning (NRL) is a powerful technique for learning low-dimensional vector representation of high-dimensional and sparse graphs. Most studies explore the structure and metadata associated with the graph using random…

机器学习 · 计算机科学 2020-01-30 Zekarias T. Kefato , Sarunas Girdzijauskas

Designing an optimal deep neural network for a given task is important and challenging in many machine learning applications. To address this issue, we introduce a self-adaptive algorithm: the adaptive network enhancement (ANE) method,…

数值分析 · 数学 2022-03-02 Zhiqiang Cai , Jingshuang Chen , Min Liu

Graph Neural Networks (GNN) have been extensively applied to industry recommendation systems, as seen in models like GraphSage\cite{GraphSage}, TwHIM\cite{TwHIM}, LiGNN\cite{LiGNN} etc. In these works, graphs were constructed based on…

With the excellent representation capabilities of Pre-Trained Models (PTMs), remarkable progress has been made in non-rehearsal Class-Incremental Learning (CIL) research. However, it remains an extremely challenging task due to three…

计算机视觉与模式识别 · 计算机科学 2025-10-15 Jiawei Zhan , Jun Liu , Jinlong Peng , Xiaochen Chen , Bin-Bin Gao , Yong Liu , Chengjie Wang

Many problems in computer vision require dealing with sparse, unordered data in the form of point clouds. Permutation-equivariant networks have become a popular solution-they operate on individual data points with simple perceptrons and…

计算机视觉与模式识别 · 计算机科学 2021-02-02 Weiwei Sun , Wei Jiang , Eduard Trulls , Andrea Tagliasacchi , Kwang Moo Yi

One of the most important tasks in network management is identifying different types of traffic flows. As a result, a type of management service, called Network Traffic Classifier (NTC), has been introduced. One type of NTCs that has gained…

网络与互联网体系结构 · 计算机科学 2019-01-03 Ramin Hasibi , Matin Shokri , Mehdi Dehghan

Nowadays, Online Travel Agencies provide the main service for booking holidays, business trips, accommodations, etc. As in many e-commerce services where users, items, and preferences are involved, the use of a Recommender System…

信息检索 · 计算机科学 2021-10-22 Alessio Petrozziello , Xiaoke Liu , Christian Sommeregger

Counterfactual learning to rank (CLTR) relies on exposure-based inverse propensity scoring (IPS), a LTR-specific adaptation of IPS to correct for position bias. While IPS can provide unbiased and consistent estimates, it often suffers from…

信息检索 · 计算机科学 2023-05-03 Shashank Gupta , Harrie Oosterhuis , Maarten de Rijke

Service monitoring applications continuously produce data to monitor their availability. Hence, it is critical to classify incoming data in real-time and accurately. For this purpose, our study develops an adaptive classification approach…

机器学习 · 计算机科学 2022-08-29 Farzana Anowar , Samira Sadaoui , Hardik Dalal

Neural network architectures have been extensively employed in the fair representation learning setting, where the objective is to learn a new representation for a given vector which is independent of sensitive information. Various…

In this paper, we propose an adaptive margin contrastive learning method for 3D point cloud semantic segmentation, namely AMContrast3D. Most existing methods use equally penalized objectives, which ignore per-point ambiguities and less…

计算机视觉与模式识别 · 计算机科学 2025-02-07 Yang Chen , Yueqi Duan , Runzhong Zhang , Yap-Peng Tan

Additive parameter updates, as used in gradient descent and its adaptive extensions, underpin most modern machine-learning optimization. Yet, such additive schemes often demand numerous iterations and intricate learning-rate schedules to…

机器学习 · 计算机科学 2026-03-25 Han Kim , Hyungjoon Soh , Vipul Periwal , Junghyo Jo

Recently, Multi-Scenario Learning (MSL) is widely used in recommendation and retrieval systems in the industry because it facilitates transfer learning from different scenarios, mitigating data sparsity and reducing maintenance cost. These…

信息检索 · 计算机科学 2023-06-30 Yu Tian , Bofang Li , Si Chen , Xubin Li , Hongbo Deng , Jian Xu , Bo Zheng , Qian Wang , Chenliang Li

Use of nonlinear feature maps via kernel approximation has led to success in many online learning tasks. As a popular kernel approximation method, Nystr\"{o}m approximation, has been well investigated, and various landmark points selection…

机器学习 · 计算机科学 2018-02-26 Si Si , Sanjiv Kumar , Yang Li

Interpreting the decisions of complex computer vision models is crucial to establish trust and accountability, especially in safety-critical domains. An established approach to interpretability is generating visual attribution maps that…

计算机视觉与模式识别 · 计算机科学 2026-04-08 David Schinagl , Christian Fruhwirth-Reisinger , Alexander Prutsch , Samuel Schulter , Horst Possegger

We propose a new \emph{Transformed Risk Minimization} (TRM) framework as an extension of classical risk minimization. In TRM, we optimize not only over predictive models, but also over data transformations; specifically over distributions…

机器学习 · 计算机科学 2023-10-09 Evangelos Chatzipantazis , Stefanos Pertigkiozoglou , Kostas Daniilidis , Edgar Dobriban

The goal of text ranking is to generate an ordered list of texts retrieved from a corpus in response to a query. Although the most common formulation of text ranking is search, instances of the task can also be found in many natural…

信息检索 · 计算机科学 2021-08-20 Jimmy Lin , Rodrigo Nogueira , Andrew Yates

Click-through rate (CTR) prediction, which aims to predict the probability of a user clicking on an ad or an item, is critical to many online applications such as online advertising and recommender systems. The problem is very challenging…

信息检索 · 计算机科学 2019-08-27 Weiping Song , Chence Shi , Zhiping Xiao , Zhijian Duan , Yewen Xu , Ming Zhang , Jian Tang

Entropy is ubiquitous in machine learning, but it is in general intractable to compute the entropy of the distribution of an arbitrary continuous random variable. In this paper, we propose the amortized residual denoising autoencoder…

机器学习 · 计算机科学 2020-06-11 Jae Hyun Lim , Aaron Courville , Christopher Pal , Chin-Wei Huang