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When the distributions of the training and test data do not coincide, the problem of understanding generalization becomes considerably more complex, prompting a variety of questions. Prior work has shown that, for some fixed learning…

机器学习 · 计算机科学 2025-12-03 Jordi Pérez-Guijarro

We consider the problem of hypothesis testing for discrete distributions. In the standard model, where we have sample access to an underlying distribution $p$, extensive research has established optimal bounds for uniformity testing,…

机器学习 · 计算机科学 2024-12-03 Maryam Aliakbarpour , Piotr Indyk , Ronitt Rubinfeld , Sandeep Silwal

Accurate uncertainty estimates are essential for deploying deep object detectors in safety-critical systems. The development and evaluation of probabilistic object detectors have been hindered by shortcomings in existing performance…

计算机视觉与模式识别 · 计算机科学 2022-12-09 Georg Hess , Christoffer Petersson , Lennart Svensson

We model the joint distribution of choice probabilities and decision times in binary choice tasks as the solution to a problem of optimal sequential sampling, where the agent is uncertain of the utility of each action and pays a constant…

神经元与认知 · 定量生物学 2015-05-14 Drew Fudenberg , Philipp Strack , Tomasz Strzalecki

In this work, we revisit the problem of uniformity testing of discrete probability distributions. A fundamental problem in distribution testing, testing uniformity over a known domain has been addressed over a significant line of works, and…

数据结构与算法 · 计算机科学 2017-08-17 Tuğkan Batu , Clément L. Canonne

We consider a minimal model of persistent random searcher with short range memory. We calculate exactly for such searcher the mean first-passage time to a target in a bounded domain and find that it admits a non trivial minimum as function…

统计力学 · 物理学 2012-02-28 V. Tejedor , R. Voituriez , O. Bénichou

We address the challenge of computing search paths in real-time for subsea applications where the goal is to locate an unknown number of targets on the seafloor. Our approach maximizes a formal definition of search effectiveness given…

机器人学 · 计算机科学 2017-07-25 James McMahon , Harun Yetkin , Artur Wolek , Zachary Waters , Dan Stilwell

We study the setting in which a mobile agent must locate a hidden target in a bounded or unbounded environment, with no information about the hider's position. In particular, we consider online search, in which the performance of the search…

数据结构与算法 · 计算机科学 2020-12-01 Spyros Angelopoulos , Malachi Voss

It is well understood that Bayesian decision theory and average case analysis are essentially identical. However, if one is interested in performing uncertainty quantification for a numerical task, it can be argued that standard approaches…

统计方法学 · 统计学 2020-07-16 Chris. J. Oates , Jon Cockayne , Dennis Prangle , T. J. Sullivan , Mark Girolami

Algorithms with (machine-learned) predictions is a powerful framework for combining traditional worst-case algorithms with modern machine learning. However, the vast majority of work in this space assumes that the prediction itself is…

We consider an original problem that arises from the issue of security analysis of a power system and that we name optimal discovery with probabilistic expert advice. We address it with an algorithm based on the optimistic paradigm and the…

最优化与控制 · 数学 2011-10-26 Sébastien Bubeck , Damien Ernst , Aurélien Garivier

We consider a problem of finding a target located in a finite $d$-dimensional domain, using $N$ independent random walkers, when partial information on the target location is given as a probability distribution. When $N$ is large, the…

统计力学 · 物理学 2022-08-17 Sunghan Ro , Yong Woon Kim

The problem of detecting anomalies in multiple processes is considered. We consider a composite hypothesis case, in which the measurements drawn when observing a process follow a common distribution with an unknown parameter (vector), whose…

信息论 · 计算机科学 2020-04-22 Bar Hemo , Tomer Gafni , Kobi Cohen , Qing Zhao

Tackling simulation optimization problems with non-convex objective functions remains a fundamental challenge in operations research. In this paper, we propose a class of random search algorithms, called Regular Tree Search, which…

最优化与控制 · 数学 2025-06-24 Du-Yi Wang , Guo Liang , Guangwu Liu , Kun Zhang

In "Recognizing the Maximum of a Sequence", Gilbert and Mosteller analyze a full information game where n measurements from an uniform distribution are drawn and a player (knowing n) must decide at each draw whether or not to choose that…

概率论 · 数学 2018-05-30 Marcos Costa Santos Carreira

Consider the situation where a word is chosen probabilistically from a finite list. If an attacker knows the list and can inquire about each word in turn, then selecting the word via the uniform distribution maximizes the attacker's…

信息论 · 计算机科学 2013-05-14 Mark M. Christiansen , Ken R. Duffy , Flavio du Pin Calmon , Muriel Medard

The most fundamental problem in statistics is the inference of an unknown probability distribution from a finite number of samples. For a specific observed data set, answers to the following questions would be desirable: (1) Estimation:…

统计理论 · 数学 2013-01-23 Ali Kinkhabwala

Domain-independent planning is one of the foundational areas in the field of Artificial Intelligence. A description of a planning task consists of an initial world state, a goal, and a set of actions for modifying the world state. The…

人工智能 · 计算机科学 2014-01-24 Carmel Domshlak , Erez Karpas , Shaul Markovitch

An optimal randomized strategy for design of balanced, normalized mass transport plans is developed. It replaces -- but specializes to -- the deterministic, regularized optimal transport (OT) strategy, which yields only a…

系统与控制 · 电气工程与系统科学 2025-05-08 Sarah Boufelja Y. , Anthony Quinn , Robert Shorten

This study proposes a mathematical model to optimally locate a set of detectors in such a way that the expected number of casualties in a given threat area can be minimized. Detectors may not be perfectly reliable, which is often a function…

系统与控制 · 电气工程与系统科学 2021-01-26 Mohammad Marufuzzaman , Amin Aghalari , Randy Buchanan , Christina H. Rinaudo , Kayla M. Houte , Julekha H. Ranta