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Motivated by the recent success of time-series foundation models for zero-shot forecasting, we present a methodology for $\textit{in-context fine-tuning}$ of a time-series foundation model. In particular, we design a pretrained foundation…

机器学习 · 计算机科学 2024-11-01 Abhimanyu Das , Matthew Faw , Rajat Sen , Yichen Zhou

Tabular foundation models (TFMs) such as TabPFN (Tabular Prior-Data Fitted Network) are designed to generalize across heterogeneous tabular datasets through in-context learning (ICL). They perform prediction in a single forward pass…

机器学习 · 计算机科学 2026-04-09 James Hu , Mahdi Ghelichi

Graph few-shot learning, which aims to classify nodes from novel classes with only a few labeled examples, is a widely studied problem in graph learning. However, existing methods often face two key limitations. First, the predominant graph…

人工智能 · 计算机科学 2026-05-26 Renchu Guan , Yajun Wang , Chunli Guo , Bowen Cao , Fausto Giunchiglia , Wei Pang , Yonghao Liu , Xiaoyue Feng

Recent advances in Deep Learning show the existence of image-agnostic quasi-imperceptible perturbations that when applied to `any' image can fool a state-of-the-art network classifier to change its prediction about the image label. These…

计算机视觉与模式识别 · 计算机科学 2018-03-01 Naveed Akhtar , Jian Liu , Ajmal Mian

Multi-agent path finding (MAPF) is the problem of planning conflict-free paths from the designated start locations to goal positions for multiple agents. It underlies a variety of real-world tasks, including multi-robot coordination,…

人工智能 · 计算机科学 2025-09-09 Zhanjiang Yang , Yang Shen , Yueming Li , Meng Li , Lijun Sun

Inferring gene regulatory networks (GRNs) from single-cell RNA sequencing (scRNA-seq) data is a complex challenge that requires capturing the intricate relationships between genes and their regulatory interactions. In this study, we tackle…

机器学习 · 计算机科学 2024-07-26 Sindhura Kommu , Yizhi Wang , Yue Wang , Xuan Wang

Estimating causal effects from nonexperimental data is a fundamental problem in many fields of science. A key component of this task is selecting an appropriate set of covariates for confounding adjustment to avoid bias. Most existing…

机器学习 · 计算机科学 2025-10-28 Zheng Li , Xichen Guo , Feng Xie , Yan Zeng , Hao Zhang , Zhi Geng

Prior-data fitted networks (PFNs) have achieved exceptional performance on tabular classification tasks. However, like other classifiers, their performance can suffer under the effect of class imbalance, resulting in poor performance for…

机器学习 · 计算机科学 2026-05-22 Samuel McDowell , Nathan Stromberg , Lalitha Sankar

Prior-Data Fitted Networks (PFNs) enable amortized Bayesian inference in a single forward pass, yet their internal representations remain opaque. It is unknown whether PFNs encode identifiable Bayesian structure or merely memorize…

机器学习 · 计算机科学 2026-05-14 Kaustubh Sharma , Srijan Tiwari , Ojasva Nema , Parikshit Pareek

The contribution of this paper is a framework for training and evaluation of Model Predictive Control (MPC) implemented using constrained neural networks. Recent studies have proposed to use neural networks with differentiable convex…

机器学习 · 统计学 2020-05-11 Rebecka Winqvist , Arun Venkitaraman , Bo Wahlberg

Graphical models are widely used to study biological networks. Interventions on network nodes are an important feature of many experimental designs for the study of biological networks. In this paper we put forward a causal variant of…

统计方法学 · 统计学 2015-06-17 Simon E. F. Spencer , Steven M. Hill , Sach Mukherjee

Foundational language models show a remarkable ability to learn new concepts during inference via context data. However, similar work for images lag behind. To address this challenge, we introduce FLoWN, a flow matching model that learns to…

机器学习 · 计算机科学 2025-04-22 Daniel Saragih , Deyu Cao , Tejas Balaji , Ashwin Santhosh

In this work, we study TabPFN as a training-free, modular summary network for simulation-based Bayesian inference (SBI). Tabular foundation models such as TabPFN are pretrained on broad families of synthetic tabular data-generating…

机器学习 · 计算机科学 2026-05-11 Elliot Pickens , Chiraag Gohel , Sidharth Satya

The inaccessibility of controlled randomized trials due to inherent constraints in many fields of science has been a fundamental issue in causal inference. In this paper, we focus on distinguishing the cause from effect in the bivariate…

机器学习 · 统计学 2021-02-23 Jean-Francois Ton , Dino Sejdinovic , Kenji Fukumizu

Transductive learning is a supervised machine learning task in which, unlike in traditional inductive learning, the unlabelled data that require labelling are a finite set and are available at training time. Similarly to inductive learning…

机器学习 · 计算机科学 2025-07-31 Lorenzo Volpi , Alejandro Moreo , Fabrizio Sebastiani

Preceptron model updating with back propagation has become the routine of deep learning. Continuous feed forward procedure is required in order for backward propagate to function properly. Doubting the underlying physical interpretation on…

信号处理 · 电气工程与系统科学 2020-10-19 Shirui Tang

This paper surveys studies on the use of neural networks for optimization in the training-data-free setting. Specifically, we examine the dataless application of neural network architectures in optimization by re-parameterizing problems…

机器学习 · 计算机科学 2025-10-31 Alvaro Velasquez , Susmit Jha , Ismail R. Alkhouri

Causal discovery, the task of inferring causal structure from data, has the potential to uncover mechanistic insights from biological experiments, especially those involving perturbations. However, causal discovery algorithms over larger…

机器学习 · 计算机科学 2025-04-01 Menghua Wu , Yujia Bao , Regina Barzilay , Tommi Jaakkola

Recent few-shot learning works focus on training a model with prior meta-knowledge to fast adapt to new tasks with unseen classes and samples. However, conventional time-series classification algorithms fail to tackle the few-shot scenario.…

机器学习 · 计算机科学 2020-07-03 Wensi Tang , Lu Liu , Guodong Long

Regression models often fail to generalize effectively in regions characterized by highly imbalanced label distributions. Previous methods for deep imbalanced regression rely on gradient-based weight updates, which tend to overfit in…

机器学习 · 计算机科学 2024-11-21 Ismail Nejjar , Faez Ahmed , Olga Fink