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Uncertainty quantification is crucial for building reliable and trustable machine learning systems. We propose to estimate uncertainty in recurrent neural networks (RNNs) via stochastic discrete state transitions over recurrent timesteps.…

机器学习 · 计算机科学 2020-11-25 Cheng Wang , Carolin Lawrence , Mathias Niepert

This paper introduces Bayesian Flow Networks (BFNs), a new class of generative model in which the parameters of a set of independent distributions are modified with Bayesian inference in the light of noisy data samples, then passed as input…

机器学习 · 计算机科学 2025-03-12 Alex Graves , Rupesh Kumar Srivastava , Timothy Atkinson , Faustino Gomez

In classic distributed graph problems, each instance on a graph specifies a space of feasible solutions (e.g. all proper ($\Delta+1$)-list-colorings of the graph), and the task of distributed algorithm is to construct a feasible solution…

数据结构与算法 · 计算机科学 2018-02-20 Weiming Feng , Yitong Yin

Generative modeling, which learns joint probability distribution from data and generates samples according to it, is an important task in machine learning and artificial intelligence. Inspired by probabilistic interpretation of quantum…

统计力学 · 物理学 2018-07-20 Zhao-Yu Han , Jun Wang , Heng Fan , Lei Wang , Pan Zhang

Finite state machines (FSMs) are a theoretically and practically important model of computation. We propose a general, thermodynamically consistent model of FSMs and characterise the resource requirements of these machines. We model FSMs as…

统计力学 · 物理学 2018-08-27 Dominique Chu , Richard Spinney

Recently, considerable efforts have been devoted to approximately computing the global and local (i.e., incident to each node) triangle counts of a large graph stream represented as a sequence of edges. Existing approximate triangle…

数据结构与算法 · 计算机科学 2018-11-27 Pinghui Wang , Peng Jia , Yiyan Qi , Yu Sun , Jing Tao , Xiaohong Guan

We revisit the problem of estimating the profile (also known as the rarity) in the data stream model. Given a sequence of $m$ elements from a universe of size $n$, its profile is a vector $\phi$ whose $i$-th entry $\phi_i$ represents the…

数据结构与算法 · 计算机科学 2023-11-30 Justin Y. Chen , Piotr Indyk , David P. Woodruff

The probabilistic-stream model was introduced by Jayram et al. \cite{JKV07}. It is a generalization of the data stream model that is suited to handling ``probabilistic'' data where each item of the stream represents a probability…

数据结构与算法 · 计算机科学 2007-05-23 Andrew McGregor , S. Muthukrishnan

The progressive hedging algorithm (PHA) is a cornerstone among algorithms for large-scale stochastic programming problems. However, its traditional implementation is hindered by some limitations, including the requirement to solve all…

最优化与控制 · 数学 2025-03-13 Di Zhang , Yihang Zhang , Suvrajeet Sen

In Retrieval-Augmented Generation (RAG) and agent-based frameworks, the "Chain of Models" approach is widely used, where multiple specialized models work sequentially on distinct sub-tasks. This approach is effective but increases resource…

计算与语言 · 计算机科学 2025-02-18 Yuanjie Lyu , Chao Zhang , Yuhao Chen , Yong Chen , Tong Xu

Hopfield attractor networks are robust distributed models of human memory, but lack a general mechanism for effecting state-dependent attractor transitions in response to input. We propose construction rules such that an attractor network…

神经与进化计算 · 计算机科学 2024-05-03 Madison Cotteret , Hugh Greatorex , Martin Ziegler , Elisabetta Chicca

We propose a direct numerical method to calculate the statistics of the number of transitions in stochastic processes, without having to resort to Monte Carlo calculations. The method is based on a generating function method, and arbitrary…

统计力学 · 物理学 2015-05-18 Jun Ohkubo , Thomas Eggel

The Metropolis-Hastings (MH) algorithm is the prototype for a class of Markov chain Monte Carlo methods that propose transitions between states and then accept or reject the proposal. These methods generate a correlated sequence of random…

计算物理 · 物理学 2011-05-12 Albert H. Mao , Rohit V. Pappu

Particle flow (PFL) is an effective method for overcoming particle degeneracy, the main limitation of particle filtering. In PFL, particles are migrated towards regions of high likelihood based on the solution of a partial differential…

信号处理 · 电气工程与系统科学 2024-12-16 Wenyu Zhang , Mohammad J. Khojasteh , Nikolay A. Atanasov , Florian Meyer

In Bayesian inference, we seek to compute information about random variables such as moments or quantiles on the basis of {available data} and prior information. When the distribution of random variables is {intractable}, Monte Carlo (MC)…

统计理论 · 数学 2021-04-06 Alec Koppel , Amrit Singh Bedi , Brian M. Sadler , Victor Elvira

Gradient descent is one of the most widely used iterative algorithms in modern statistical learning. However, its precise algorithmic dynamics in high-dimensional settings remain only partially understood, which has limited its broader…

统计理论 · 数学 2025-11-19 Qiyang Han , Xiaocong Xu

A fundamental question in streaming complexity is whether every space-efficient turnstile algorithm is implicitly a linear sketch. The landmark work of Li, Nguyen, and Woodruff [LNW14] established an equivalence between the two, but their…

数据结构与算法 · 计算机科学 2026-04-27 Cheng Jiang , Yinchen Liu , Huacheng Yu

An algorithm is described that enables efficient deterministic approximate computation of the bootstrap distribution for any linear bootstrap method $T_n^*$, alleviating the need for repeated resampling from observations (resp.…

统计方法学 · 统计学 2019-04-10 Thomas Pitschel

We present here a new probabilistic inference algorithm that gives exact results in the domain of discrete probability distributions. This algorithm, named the Statues algorithm, calculates the marginal probability distribution on…

人工智能 · 计算机科学 2020-07-08 Pierre Denis

The sparse vector technique is a powerful differentially private primitive that allows an analyst to check whether queries in a stream are greater or lesser than a threshold. This technique has a unique property -- the algorithm works by…

数据库 · 计算机科学 2015-08-31 Yan Chen , Ashwin Machanavajjhala