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Click-through data has proven to be a valuable resource for improving search-ranking quality. Search engines can easily collect click data, but biases introduced in the data can make it difficult to use the data effectively. In order to…

机器学习 · 计算机科学 2020-02-13 Yingcheng Sun , Richard Kolacinski , Kenneth Loparo

Modern large language models (LLMs) are typically trained and deployed using structured role tags (e.g. system, user, assistant, tool) that explicitly mark the source of each piece of context. While these tags are essential for instruction…

计算与语言 · 计算机科学 2026-04-21 Xu Pan , Jingxuan Fan , Zidi Xiong , Ely Hahami , Jorin Overwiening , Ziqian Xie

Two fundamental requirements for the deployment of machine learning models in safety-critical systems are to be able to detect out-of-distribution (OOD) data correctly and to be able to explain the prediction of the model. Although…

机器学习 · 计算机科学 2023-02-13 Nawid Keshtmand , Raul Santos-Rodriguez , Jonathan Lawry

Debiased recommendation has recently attracted increasing attention from both industry and academic communities. Traditional models mostly rely on the inverse propensity score (IPS), which can be hard to estimate and may suffer from the…

信息检索 · 计算机科学 2022-01-19 Mengyue Yang , Guohao Cai , Furui Liu , Zhenhua Dong , Xiuqiang He , Jianye Hao , Jun Wang , Xu Chen

Click-through rate (CTR) prediction is a vital task in industrial recommendation systems. Most existing methods focus on the network architecture design of the CTR model for better accuracy and suffer from the data sparsity problem.…

信息检索 · 计算机科学 2023-12-19 Qi Liu , Xuyang Hou , Defu Lian , Zhe Wang , Haoran Jin , Jia Cheng , Jun Lei

In the field of autonomous driving, there have been many excellent perception models for object detection, semantic segmentation, and other tasks, but how can we effectively use the perception models for vehicle planning? Traditional…

机器人学 · 计算机科学 2023-08-04 Jingyu Du , Yang Zhao , Hong Cheng

This tutorial covers and contrasts the two main methodologies in unbiased Learning to Rank (LTR): Counterfactual LTR and Online LTR. There has long been an interest in LTR from user interactions, however, this form of implicit feedback is…

信息检索 · 计算机科学 2019-07-18 Harrie Oosterhuis , Rolf Jagerman , Maarten de Rijke

Advertising click-through rate (CTR) prediction aims to forecast the probability that a user will click on an advertisement in a given context, thus providing enterprises with decision support for product ranking and ad placement. However,…

机器学习 · 计算机科学 2024-11-26 Xiaowei Xi , Song Leng , Yuqing Gong , Dalin Li

As a critical task in video sequence classification within computer vision, Online Action Detection (OAD) has garnered significant attention. The sensitivity of mainstream OAD models to varying video viewpoints often hampers their…

计算机视觉与模式识别 · 计算机科学 2025-10-15 Liping Xie , Yang Tan , Shicheng Jing , Huimin Lu , Kanjian Zhang

Test-Time Adaptation (TTA) enables pre-trained models to adjust to distribution shift by learning from unlabeled test-time streams. However, existing methods typically treat these streams as independent samples, overlooking the supervisory…

机器学习 · 计算机科学 2026-01-30 Young Kyung Kim , Oded Schlesinger , Qiangqiang Wu , J. Matías Di Martino , Guillermo Sapiro

Presentation bias is one of the key challenges when learning from implicit feedback in search engines, as it confounds the relevance signal with uninformative signals due to position in the ranking, saliency, and other presentation factors.…

机器学习 · 计算机科学 2018-06-12 Aman Agarwal , Ivan Zaitsev , Thorsten Joachims

Estimating counterfactual outcomes over time from observational data is relevant for many applications (e.g., personalized medicine). Yet, state-of-the-art methods build upon simple long short-term memory (LSTM) networks, thus rendering…

机器学习 · 计算机科学 2022-06-06 Valentyn Melnychuk , Dennis Frauen , Stefan Feuerriegel

In autonomous driving, motion prediction aims at forecasting the future trajectories of nearby agents, helping the ego vehicle to anticipate behaviors and drive safely. A key challenge is generating a diverse set of future predictions,…

机器人学 · 计算机科学 2025-02-13 Yihong Xu , Victor Letzelter , Mickaël Chen , Éloi Zablocki , Matthieu Cord

Many training data attribution (TDA) methods aim to estimate how a model's behavior would change if one or more data points were removed from the training set. Methods based on implicit differentiation, such as influence functions, can be…

机器学习 · 计算机科学 2024-05-22 Juhan Bae , Wu Lin , Jonathan Lorraine , Roger Grosse

Understanding why specific items are recommended to users can significantly increase their trust and satisfaction in the system. While neural recommenders have become the state-of-the-art in recent years, the complexity of deep models still…

信息检索 · 计算机科学 2021-05-12 Khanh Hiep Tran , Azin Ghazimatin , Rishiraj Saha Roy

As AI agents generate increasingly sophisticated behaviors, manually encoding human preferences to guide these agents becomes more challenging. To address this, it has been suggested that agents instead learn preferences from human choice…

机器学习 · 计算机科学 2024-12-24 Henrik Marklund , Benjamin Van Roy

Linear residualization is a common practice for confounding adjustment in machine learning (ML) applications. Recently, causality-aware predictive modeling has been proposed as an alternative causality-inspired approach for adjusting for…

机器学习 · 统计学 2020-11-10 Elias Chaibub Neto

A new wave of decision-support systems are being built today using AI services that draw insights from data (like text and video) and incorporate them in human-in-the-loop assistance. However, just as we expect humans to be ethical, the…

人工智能 · 计算机科学 2019-01-16 Biplav Srivastava , Francesca Rossi

With the rapid advancement of Transformer-based Large Language Models (LLMs), generative recommendation has shown great potential in enhancing both the accuracy and semantic understanding of modern recommender systems. Compared to LLMs, the…

信息检索 · 计算机科学 2025-08-19 Xiang Gao , Tianyuan Liu , Yisha Li , Jingxin Liu , Lexi Gao , Xin Li , Haiyang Lu , Liyin Hong

There is rising interest in using Machine Learning (ML) model predictions as outcomes in causal analysis. However, these methods have faced challenges in finding the true treatment effects. It is also challenging to make choices about which…

统计方法学 · 统计学 2026-04-14 Ofir Reich