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We develop an online learning algorithm for identifying unlabeled data points that are most informative for training (i.e., active learning). By formulating the active learning problem as the prediction with sleeping experts problem, we…

机器学习 · 计算机科学 2022-02-24 Cenk Baykal , Lucas Liebenwein , Dan Feldman , Daniela Rus

This paper is concerned with the approximation of high-dimensional functions in a statistical learning setting, by empirical risk minimization over model classes of functions in tree-based tensor format. These are particular classes of…

机器学习 · 统计学 2019-01-15 Erwan Grelier , Anthony Nouy , Mathilde Chevreuil

Classifier evasion consists in finding for a given instance $x$ the nearest instance $x'$ such that the classifier predictions of $x$ and $x'$ are different. We present two novel algorithms for systematically computing evasions for tree…

机器学习 · 计算机科学 2016-05-30 Alex Kantchelian , J. D. Tygar , Anthony D. Joseph

We study the question: How can we select the right data for fine-tuning to a specific task? We call this data selection problem active fine-tuning and show that it is an instance of transductive active learning, a novel generalization of…

机器学习 · 计算机科学 2024-06-24 Jonas Hübotter , Bhavya Sukhija , Lenart Treven , Yarden As , Andreas Krause

The problem of learning the structure of a high dimensional graphical model from data has received considerable attention in recent years. In many applications such as sensor networks and proteomics it is often expensive to obtain samples…

机器学习 · 统计学 2016-04-08 Gautam Dasarathy , Aarti Singh , Maria-Florina Balcan , Jong Hyuk Park

To train good supervised and semi-supervised object classifiers, it is critical that we not waste the time of the human experts who are providing the training labels. Existing active learning strategies can have uneven performance, being…

计算机视觉与模式识别 · 计算机科学 2015-05-01 Oisin Mac Aodha , Neill D. F. Campbell , Jan Kautz , Gabriel J. Brostow

The problem of reconstructing evolutionary trees or phylogenies is of great interest in computational biology. A popular model for this problem assumes that we are given the set of leaves (current species) of an unknown binary tree and the…

数据结构与算法 · 计算机科学 2022-06-16 Eshwar Ram Arunachaleswaran , Anindya De , Sampath Kannan

Regression is a fundamental prediction task common in data-centric engineering applications that involves learning mappings between continuous variables. In many engineering applications (e.g.\ structural health monitoring), feature-label…

As an adaptive, interpretable, robust, and accurate meta-algorithm for arbitrary differentiable loss functions, gradient tree boosting is one of the most popular machine learning techniques, though the computational expensiveness severely…

机器学习 · 计算机科学 2019-11-21 Daniel Chao Zhou , Zhongming Jin , Tong Zhang

Network reliability analysis remains a challenge due to the increasing size and complexity of networks. This paper presents a novel sampling method and an active learning method for efficient and accurate network reliability estimation…

机器学习 · 计算机科学 2024-07-17 Chen Ding , Pengfei Wei , Yan Shi , Jinxing Liu , Matteo Broggi , Michael Beer

This work presents StrAE: a Structured Autoencoder framework that through strict adherence to explicit structure, and use of a novel contrastive objective over tree-structured representations, enables effective learning of multi-level…

计算与语言 · 计算机科学 2025-02-25 Mattia Opper , Victor Prokhorov , N. Siddharth

Improving the quality of Natural Language Understanding (NLU) models, and more specifically, task-oriented semantic parsing models, in production is a cumbersome task. In this work, we present a system called AutoNLU, which we designed to…

Combining machine learning with econometric analysis is becoming increasingly prevalent in both research and practice. A common empirical strategy involves the application of predictive modeling techniques to 'mine' variables of interest…

计量经济学 · 经济学 2020-12-22 Mochen Yang , Edward McFowland , Gordon Burtch , Gediminas Adomavicius

Recent Prompt-based Continual learning (PCL) has achieved remarkable performance with pre-trained models. These approaches expand a prompt pool by adding a new set of prompts while learning and select the correct set during inference.…

计算机视觉与模式识别 · 计算机科学 2025-07-01 Qian Feng , Da-wei Zhou , Hanbin Zhao , Chao Zhang , Jiahua Dong , Dengxin Dai , Hui Qian

In training speech recognition systems, labeling audio clips can be expensive, and not all data is equally valuable. Active learning aims to label only the most informative samples to reduce cost. For speech recognition, confidence scores…

计算与语言 · 计算机科学 2016-12-13 Jiaji Huang , Rewon Child , Vinay Rao , Hairong Liu , Sanjeev Satheesh , Adam Coates

A learning algorithm is presented which given the structure of a causal tree, will estimate its link probabilities by sequential measurements on the leaves only. Internal nodes of the tree represent conceptual (hidden) variables…

人工智能 · 计算机科学 2013-04-12 Igor Roizer , Judea Pearl

We design a new algorithm for batch active learning with deep neural network models. Our algorithm, Batch Active learning by Diverse Gradient Embeddings (BADGE), samples groups of points that are disparate and high-magnitude when…

机器学习 · 计算机科学 2020-02-25 Jordan T. Ash , Chicheng Zhang , Akshay Krishnamurthy , John Langford , Alekh Agarwal

We consider the problem of learning classification trees that are robust to distribution shifts between training and testing/deployment data. This problem arises frequently in high stakes settings such as public health and social work where…

机器学习 · 计算机科学 2025-08-27 Nathan Justin , Sina Aghaei , Andrés Gómez , Phebe Vayanos

Universally modeling all typical information extraction tasks (UIE) with one generative language model (GLM) has revealed great potential by the latest study, where various IE predictions are unified into a linearized hierarchical…

计算与语言 · 计算机科学 2023-04-14 Hao Fei , Shengqiong Wu , Jingye Li , Bobo Li , Fei Li , Libo Qin , Meishan Zhang , Min Zhang , Tat-Seng Chua

This paper proposes a new algorithm for learning accurate tree-based models while ensuring the existence of recourse actions. Algorithmic Recourse (AR) aims to provide a recourse action for altering the undesired prediction result given by…

机器学习 · 计算机科学 2024-06-04 Kentaro Kanamori , Takuya Takagi , Ken Kobayashi , Yuichi Ike
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