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Clustering is often used for discovering structure in data. Clustering systems differ in the objective function used to evaluate clustering quality and the control strategy used to search the space of clusterings. Ideally, the search…

人工智能 · 计算机科学 2014-11-17 D. Fisher

We show that in the context of classification the property of source and target distributions to be related by covariate shift may be lost if the information content captured in the covariates is reduced, for instance by dropping components…

机器学习 · 统计学 2022-08-16 Dirk Tasche

Identity teacher forcing (ITF) enables stable training of deterministic recurrent surrogates for chaotic dynamical systems and has been highly effective for dynamical systems reconstruction (DSR) with recurrent neural networks (RNNs),…

机器学习 · 计算机科学 2026-04-29 Andre Herz , Daniel Durstewitz , Georgia Koppe

We show how to force, with finite conditions, the forcing axiom PFA(T), a relativization of PFA to proper forcing notions preserving a given Souslin tree T. The proof uses a Neeman style iteration with generalized side conditions consisting…

逻辑 · 数学 2014-07-16 Giorgio Venturi

Federated learning (FL) is an emerging privacy-preserving paradigm that enables multiple participants collaboratively to train a global model without uploading raw data. Considering heterogeneous computing and communication capabilities of…

机器学习 · 计算机科学 2022-03-03 Zihao Zhou , Yanan Li , Xuebin Ren , Shusen Yang

Codistillation has been proposed as a mechanism to share knowledge among concurrently trained models by encouraging them to represent the same function through an auxiliary loss. This contrasts with the more commonly used fully-synchronous…

机器学习 · 计算机科学 2021-07-27 Shagun Sodhani , Olivier Delalleau , Mahmoud Assran , Koustuv Sinha , Nicolas Ballas , Michael Rabbat

The ability to learn new concepts continually is necessary in this ever-changing world. However, deep neural networks suffer from catastrophic forgetting when learning new categories. Many works have been proposed to alleviate this…

计算机视觉与模式识别 · 计算机科学 2022-07-21 Fu-Yun Wang , Da-Wei Zhou , Han-Jia Ye , De-Chuan Zhan

Standard meta-learning for representation learning aims to find a common representation to be shared across multiple tasks. The effectiveness of these methods is often limited when the nuances of the tasks' distribution cannot be captured…

机器学习 · 计算机科学 2021-03-31 Giulia Denevi , Massimiliano Pontil , Carlo Ciliberto

We examine a controlled school choice model where students are categorized into different types, and the distribution of these types within a school influences its priority structure. This study provides a general framework that integrates…

理论经济学 · 经济学 2025-03-25 Minoru Kitahara , Yasunori Okumura

Iterative-based methods have become mainstream in stereo matching due to their high performance. However, these methods heavily rely on labeled data and face challenges with unlabeled real-world data. To this end, we propose a…

计算机视觉与模式识别 · 计算机科学 2025-04-01 Jingyi Zhou , Peng Ye , Haoyu Zhang , Jiakang Yuan , Rao Qiang , Liu YangChenXu , Wu Cailin , Feng Xu , Tao Chen

Machine learning promises methods that generalize well from finite labeled data. However, the brittleness of existing neural net approaches is revealed by notable failures, such as the existence of adversarial examples that are…

If T has only countably many complete types, yet has a type of infinite multiplicity then there is a ccc forcing notion Q such that, in any Q --generic extension of the universe, there are non-isomorphic models M_1 and M_2 of T that can be…

逻辑 · 数学 2007-05-23 Michael C. Laskowski , Saharon Shelah

While the manifold hypothesis is widely adopted in modern machine learning, complex data is often better modeled as stratified spaces -- unions of manifolds (strata) of varying dimensions. Stratified learning is challenging due to varying…

机器学习 · 统计学 2026-04-14 Randy Martinez , Rong Tang , Lizhen Lin

A generalized prefactorization of compact schemes aimed at reducing the stencil and improving the computational efficiency is proposed here in the framework of transport equations. By the prefactorization introduced here, the computational…

数值分析 · 数学 2019-02-13 Adrian Sescu

We study the spectrum of forcing notions between the iterations of $\sigma$-closed followed by ccc forcings and the proper forcings. This includes the hierarchy of $\alpha$-proper forcings for indecomposable countable ordinals as well as…

逻辑 · 数学 2011-02-14 David Aspero , Sy-David Friedman , Miguel Angel Mota , Marcin Sabok

In this paper, we address the problem of distillation-based class-incremental learning with a single head. A central theme of this task is to learn new classes that arrive in sequential phases over time while keeping the model's capability…

计算机视觉与模式识别 · 计算机科学 2021-01-25 Cheng-Hsun Lei , Yi-Hsin Chen , Wen-Hsiao Peng , Wei-Chen Chiu

Mathematical descriptions of flow phenomena usually come in the form of partial differential equations. The differential operators used in these equations may have properties such as symmetry, skew-symmetry, positive or negative…

数值分析 · 数学 2017-10-20 Bas van 't Hof , Mathea J. Vuik

Deep co-training has been introduced to semi-supervised segmentation and achieves impressive results, yet few studies have explored the working mechanism behind it. In this work, we revisit the core assumption that supports co-training:…

计算机视觉与模式识别 · 计算机科学 2023-08-21 Yijiang Li , Xinjiang Wang , Lihe Yang , Litong Feng , Wayne Zhang , Ying Gao

We describe the extension of normal iteration strategies with appropriate condensation properties to strategies for stacks of normal trees, with full normalization. Given a regular uncountable cardinal $\Omega$ and an…

逻辑 · 数学 2024-03-19 Farmer Schlutzenberg

I investigate the relationships between three hierarchies of reflection principles for a forcing class $\Gamma$: the hierarchy of bounded forcing axioms, of $\Sigma^1_1$-absoluteness and of Aronszajn tree preservation principles. The latter…

逻辑 · 数学 2023-06-22 Gunter Fuchs