中文
相关论文

相关论文: Two-stage Sampling Design and Sample Selection wit…

200 篇论文

The advent of deep neural networks pre-trained via language modeling tasks has spurred a number of successful applications in natural language processing. This work explores one such popular model, BERT, in the context of document ranking.…

信息检索 · 计算机科学 2019-11-01 Rodrigo Nogueira , Wei Yang , Kyunghyun Cho , Jimmy Lin

Scaling regression to large datasets is a common problem in many application areas. We propose a two step approach to scaling regression to large datasets. Using a regression tree (CART) to segment the large dataset constitutes the first…

机器学习 · 统计学 2017-07-26 Rajiv Sambasivan , Sourish Das

Reinforcement learning has emerged as an effective paradigm for training large language models to interleave reasoning with search engine calls. However, existing approaches face a fundamental credit assignment problem: methods like…

计算与语言 · 计算机科学 2026-04-02 Chris Samarinas , Haw-Shiuan Chang , Hamed Zamani

Distribution shifts are ubiquitous in real-world machine learning applications, posing a challenge to the generalization of models trained on one data distribution to another. We focus on scenarios where data distributions vary across…

机器学习 · 统计学 2024-06-05 Steven Wilkins-Reeves , Xu Chen , Qi Ma , Christine Agarwal , Aude Hofleitner

Path planning is an active area of research essential for many applications in robotics. Popular techniques include graph-based searches and sampling-based planners. These approaches are powerful but have limitations. This paper continues…

机器人学 · 计算机科学 2020-12-10 Marlin P. Strub , Jonathan D. Gammell

Batch selection is crucial for improving both training efficiency and predictive performance in deep multi-label classification (MLC). Existing batch selection methods typically rely on a single metric to assess instance importance and use…

机器学习 · 计算机科学 2026-05-12 Bin Liu , Haoyu Peng , Zhijia Wei , Jiajing Zhang , Grigorios Tsoumakas

Mobility systems featuring shared vehicles are often unable to serve all potential customers, as the distribution of demand does not coincide with the positions of vehicles at any given time. System operators often choose to reposition…

最优化与控制 · 数学 2019-02-05 Joseph Warrington , Dominik Ruchti

Data collection costs can vary widely across variables in data science tasks. Two-phase designs can be employed to save data collection costs. This paper considers the two-phase studies where inexpensive variables are collected for all…

统计方法学 · 统计学 2025-12-04 Ruoyu Wang , Qihua Wang , Wang Miao

Recent works have proposed optimal subsampling algorithms to improve computational efficiency in large datasets and to design validation studies in the presence of measurement error. Existing approaches generally fall into two categories:…

统计方法学 · 统计学 2025-12-25 Jasper B. Yang , Thomas Lumley , Bryan E. Shepherd , Pamela A. Shaw

In this paper we present GeoThinneR, an R package for efficient and flexible spatial thinning of species occurrence data. Spatial thinning is a widely used preprocessing step in species distribution modeling (SDM) that can help reduce…

种群与进化 · 定量生物学 2025-05-14 J. Mestre-Tomás

Task allocation is a key combinatorial optimization problem, crucial for modern applications such as multi-robot cooperation and resource scheduling. Decision makers must allocate entities to tasks reasonably across different scenarios.…

机器学习 · 计算机科学 2024-07-02 Aicheng Gong , Kai Yang , Jiafei Lyu , Xiu Li

Identifying the underlying models in a set of data points contaminated by noise and outliers, leads to a highly complex multi-model fitting problem. This problem can be posed as a clustering problem by the projection of higher order…

计算机视觉与模式识别 · 计算机科学 2018-08-01 Ruwan Tennakoon , Alireza Sadri , Reza Hoseinnezhad , Alireza Bab-Hadiashar

Researchers would often like to leverage data from a collection of sources (e.g., primary studies in a meta-analysis) to estimate causal effects in a target population of interest. However, traditional meta-analytic methods do not produce…

统计方法学 · 统计学 2025-05-15 Guanbo Wang , Sean McGrath , Yi Lian

Probit unfolding models (PUMs) are a novel class of scaling models that allow for items with both monotonic and non-monotonic response functions and have shown great promise in the estimation of preferences from voting data in various…

统计计算 · 统计学 2025-04-02 Skylar Shi , Abel Rodriguez , Rayleigh Lei

This paper considers multiple binary hypothesis tests with adaptive allocation of sensing resources from a shared budget over a small number of stages. A Bayesian formulation is provided for the multistage allocation problem of minimizing…

统计方法学 · 统计学 2014-11-05 Dennis Wei

Recent Large Reasoning Models have achieved significant improvements in complex task-solving capabilities by allocating more computation at the inference stage with a "thinking longer" paradigm. Even as the foundational reasoning…

人工智能 · 计算机科学 2025-09-29 Ziqi Wang , Boye Niu , Zhongli Li , Linghui Meng , Jing Liu , Zhi Zheng , Tong Xu , Hua Wu , Haifeng Wang , Enhong Chen

This paper introduces a novel multi-stage decision-making model that integrates hypothesis testing and dynamic programming algorithms to address complex decision-making scenarios.Initially,we develop a sampling inspection scheme that…

系统与控制 · 电气工程与系统科学 2025-03-11 Ziyang Liu , Yurui Hu , Yihan Deng

Bayesian Additive Regression Trees (BART) is a popular Bayesian non-parametric regression model that is commonly used in causal inference and beyond. Its strong predictive performance is supported by well-developed estimation theory,…

机器学习 · 统计学 2026-02-10 Yan Shuo Tan , Omer Ronen , Theo Saarinen , Bin Yu

We investigate a general approach for improving user prompts in text-to-image (T2I) diffusion models by finding prompts that maximize a reward function specified at test-time. Although diverse reward models are used for evaluating image…

机器学习 · 计算机科学 2025-09-30 Semin Kim , Yeonwoo Cha , Jaehoon Yoo , Seunghoon Hong

Bayesian synthetic likelihood (BSL) is a popular method for estimating the parameter posterior distribution for complex statistical models and stochastic processes that possess a computationally intractable likelihood function. Instead of…

统计计算 · 统计学 2019-07-26 Ziwen An , Leah F South , Christopher Drovandi