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Computer model calibration involves using partial and imperfect observations of the real world to learn which values of a model's input parameters lead to outputs that are consistent with real-world observations. When calibrating models…

统计方法学 · 统计学 2023-10-31 Wenzhe Xu , Daniel B. Williamson , Frederic Hourdin , Romain Roehrig

Answering complex questions often requires multi-step reasoning in order to obtain the final answer. Most research into decompositions of complex questions involves open-domain systems, which have shown success in using these decompositions…

计算与语言 · 计算机科学 2022-12-21 Kangda Wei , Dawn Lawrie , Benjamin Van Durme , Yunmo Chen , Orion Weller

Computational models are quantitative representations of systems. By analyzing and comparing the outputs of such models, it is possible to gain a better understanding of the system itself. Though as the complexity of model outputs…

机器学习 · 计算机科学 2022-12-13 Colin G. Cess , Stacey D. Finley

Choosing how to encode a real-world problem as a machine learning task is an important design decision in machine learning. The task of glacier calving front modeling has often been approached as a semantic segmentation task. Recent studies…

计算机视觉与模式识别 · 计算机科学 2024-10-28 Konrad Heidler , Lichao Mou , Erik Loebel , Mirko Scheinert , Sébastien Lefèvre , Xiao Xiang Zhu

Machine learning components commonly appear in larger decision-making pipelines; however, the model training process typically focuses only on a loss that measures accuracy between predicted values and ground truth values. Decision-focused…

机器学习 · 计算机科学 2019-07-19 Aaron Ferber , Bryan Wilder , Bistra Dilkina , Milind Tambe

Methods for knowledge editing and unlearning in large language models seek to edit or remove undesirable knowledge or capabilities without compromising general language modeling performance. This work investigates how mechanistic…

机器学习 · 计算机科学 2024-12-06 Phillip Guo , Aaquib Syed , Abhay Sheshadri , Aidan Ewart , Gintare Karolina Dziugaite

Conformal prediction has emerged as a widely used framework for constructing valid prediction sets in classification and regression tasks. In this work, we extend the split conformal prediction framework to hierarchical classification,…

机器学习 · 统计学 2026-04-13 Thomas Mortier , Alireza Javanmardi , Yusuf Sale , Eyke Hüllermeier , Willem Waegeman

We introduce an algorithm which, in the context of nonlinear regression on vector-valued explanatory variables, chooses those combinations of vector components that provide best prediction. The algorithm devotes particular attention to…

统计方法学 · 统计学 2014-02-03 Frédéric Ferraty , Peter Hall

Machine learning approaches for solving partial differential equations require learning mappings between function spaces. While convolutional or graph neural networks are constrained to discretized functions, neural operators present a…

In practice, machine learning (ML) workflows require various different steps, from data preprocessing, missing value imputation, model selection, to model tuning as well as model evaluation. Many of these steps rely on human ML experts.…

机器学习 · 统计学 2021-10-19 Stefan Coors , Daniel Schalk , Bernd Bischl , David Rügamer

Solving Constraint Optimization Problems (COPs) can be dramatically simplified by boundary estimation, that is, providing tight boundaries of cost functions. By feeding a supervised Machine Learning (ML) model with data composed of known…

人工智能 · 计算机科学 2021-11-08 Helge Spieker , Arnaud Gotlieb

Machine learning (ML) has seen significant growth in both popularity and importance. The high prediction accuracy of ML models is often achieved through complex black-box architectures that are difficult to interpret. This interpretability…

机器学习 · 统计学 2024-07-29 David Köhler , David Rügamer , Matthias Schmid

Deep learning models are used in critical applications, in which mistakes can have serious consequences. Therefore, it is crucial to understand how and why models generate predictions. This understanding provides useful information to check…

Predicting the performance of highly configurable software systems is the foundation for performance testing and quality assurance. To that end, recent work has been relying on machine/deep learning to model software performance. However, a…

软件工程 · 计算机科学 2024-02-06 Jingzhi Gong , Tao Chen

Probabilistic programs with dynamic computation graphs can define measures over sample spaces with unbounded dimensionality, which constitute programmatic analogues to Bayesian nonparametrics. Owing to the generality of this model class,…

机器学习 · 计算机科学 2018-11-30 Eli Sennesh , Adam Ścibior , Hao Wu , Jan-Willem van de Meent

One can improve predictability in the unknown domain by combining forecasts of imperfect complex computational models using a Bayesian statistical machine learning framework. In many cases, however, the models used in the mixing process are…

核理论 · 物理学 2024-08-21 Pablo Giuliani , Kyle Godbey , Vojtech Kejzlar , Witold Nazarewicz

Transfer learning has recently become the dominant paradigm of machine learning. Pre-trained models fine-tuned for downstream tasks achieve better performance with fewer labelled examples. Nonetheless, it remains unclear how to develop…

机器学习 · 计算机科学 2024-01-30 Jonas Pfeiffer , Sebastian Ruder , Ivan Vulić , Edoardo Maria Ponti

A substantial fraction of the time that computational modellers dedicate to developing their models is actually spent trouble-shooting and debugging their code. However, how this process unfolds is seldom spoken about, maybe because it is…

计算工程、金融与科学 · 计算机科学 2022-11-04 Ester Comellas , Jean-Paul Pelteret , Wolfgang Bangerth

In the software development process, model transformation is increasingly assimilated. However, systems being developed with model transformation sometimes grow in size and become complex. Meanwhile, the performance of model transformation…

软件工程 · 计算机科学 2020-04-21 Vijayshree Vijayshree , Markus Frank , Steffen Becker

Decomposition, statically dividing a program into multiple units, is a common programming technique for realizing parallelism and refining programs. The decomposition of a sequential program into components is tedious, due to the…

软件工程 · 计算机科学 2020-09-09 Sabah Al-Fedaghi