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Reasoning models often outperform smaller models but at 3--5$\times$ higher cost and added latency. We present entropy-guided refinement: a lightweight, test-time loop that uses token-level uncertainty to trigger a single, targeted…

人工智能 · 计算机科学 2025-09-03 Andrew G. A. Correa , Ana C. H de Matos

Measuring the complexity of tree structures can be beneficial in areas that use tree data structures for storage, communication, and processing purposes. This complexity can then be used to compress tree data structures to their…

信息论 · 计算机科学 2023-09-19 Amirmohammad Farzaneh , Mihai-Alin Badiu , Justin P. Coon

The ability to explore efficiently and effectively is a central challenge of reinforcement learning. In this work, we consider exploration through the lens of information theory. Specifically, we cast exploration as a problem of maximizing…

Current research on pedestrian behavior understanding focuses on the dynamics of pedestrians and makes strong assumptions about their perceptual abilities. For instance, it is often presumed that pedestrians have omnidirectional view of the…

人工智能 · 计算机科学 2023-02-09 Iuliia Kotseruba , Amir Rasouli

By 'informational entropy', we understand an inherent boundary to knowability, due e.g. to perceptual, theoretical, evidential or linguistic limits. In this paper, we discuss a logical framework in which this boundary is incorporated into…

What is information originating in observation? Until now it has no scientifically conclusive definition. Information is memorized entropy cutting in random observations which processing interactions. Randomness of various interactive…

适应与自组织系统 · 物理学 2016-05-26 Vladimir S. Lerner

Inferring models, predicting the future, and estimating the entropy rate of discrete-time, discrete-event processes is well-worn ground. However, a much broader class of discrete-event processes operates in continuous-time. Here, we provide…

统计力学 · 物理学 2020-05-11 S. E. Marzen , J. P. Crutchfield

Humans communicate using systems of interconnected stimuli or concepts -- from language and music to literature and science -- yet it remains unclear how, if at all, the structure of these networks supports the communication of information.…

物理与社会 · 物理学 2020-03-27 Christopher W. Lynn , Lia Papadopoulos , Ari E. Kahn , Danielle S. Bassett

We analyze dynamical properties of the Shannon information entropy of a continuous probability distribution, which is driven by a standard diffusion process. This entropy choice is confronted with another option, employing the conditional…

统计力学 · 物理学 2016-08-31 Piotr Garbaczewski

Algorithmic entropy and Shannon entropy are two conceptually different information measures, as the former is based on size of programs and the later in probability distributions. However, it is known that, for any recursive probability…

信息论 · 计算机科学 2010-06-03 Andreia Teixeira , Andre Souto , Armando Matos , Luis Antunes

Distributed systems, such as biological and artificial neural networks, process information via complex interactions engaging multiple subsystems, resulting in high-order patterns with distinct properties across scales. Investigating how…

Existing observational approaches for learning human preferences, such as inverse reinforcement learning, usually make strong assumptions about the observability of the human's environment. However, in reality, people make many important…

机器学习 · 统计学 2021-10-29 Cassidy Laidlaw , Stuart Russell

Visual exploration of high-dimensional real-valued datasets is a fundamental task in exploratory data analysis (EDA). Existing methods use predefined criteria to choose the representation of data. There is a lack of methods that (i) elicit…

机器学习 · 统计学 2021-11-08 Kai Puolamäki , Emilia Oikarinen , Bo Kang , Jefrey Lijffijt , Tijl De Bie

Markov Random Field models are powerful tools for the study of complex systems. However, little is known about how the interactions between the elements of such systems are encoded, especially from an information-theoretic perspective. In…

信息论 · 计算机科学 2015-03-19 Alexandre L. M. Levada

Understanding the properties of response time distributions is a long-standing problem in cognitive science. We provide a tutorial overview of several contemporary models that assume power law scaling is a plausible description of the…

神经元与认知 · 定量生物学 2015-10-15 Z. Liu , O. Pavlov Garcia , J. G. Holden , R. A. Serota

How is it that humans can solve complex planning tasks so efficiently despite limited cognitive resources? One reason is its ability to know how to use its limited computational resources to make clever choices. We postulate that people…

机器学习 · 计算机科学 2023-02-10 Ruiqi He , Falk Lieder

An agent acquires information dynamically until her belief about a binary state reaches an upper or lower threshold. She can choose any signal process subject to a constraint on the rate of entropy reduction. Strategies are ordered by "time…

理论经济学 · 经济学 2024-08-23 Daniel Chen , Weijie Zhong

This presentation's Part 3 studies the evolutionary information processes and regularities of evolution dynamics, evaluated by an entropy functional (EF) of a random field (modeled by a diffusion information process) and an informational…

适应与自组织系统 · 物理学 2012-08-17 Vladimir S. Lerner

The Shannon entropy, one of the cornerstones of information theory, is widely used in physics, particularly in statistical mechanics. Yet its characterization and connection to physics remain vague, leaving ample room for misconceptions and…

统计力学 · 物理学 2021-07-28 Gabriele Carcassi , Christine A. Aidala , Julian Barbour

Recently it has been demonstrated that causal entropic forces can lead to the emergence of complex phenomena associated with human cognitive niche such as tool use and social cooperation. Here I show that even more fundamental traits…

信息论 · 计算机科学 2016-04-20 Fouad Khan