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Topic modeling refers to the task of discovering the underlying thematic structure in a text corpus, where the output is commonly presented as a report of the top terms appearing in each topic. Despite the diversity of topic modeling…

机器学习 · 计算机科学 2014-06-20 Derek Greene , Derek O'Callaghan , Pádraig Cunningham

In recent years, many recommender systems have utilized textual data for topic extraction to enhance interpretability. However, our findings reveal a noticeable deficiency in the coherence of keywords within topics, resulting in low…

计算与语言 · 计算机科学 2023-06-14 Xuefei Jiang , Dairui Liu , Ruihai Dong

We address an information-theoretic approach to noise and disturbance in quantum measurements. Properties of corresponding probability distributions are characterized by means of both the R\'{e}nyi and Tsallis entropies. Related…

量子物理 · 物理学 2016-03-03 Alexey E. Rastegin

We discuss basic statistical properties of systems with multifractal structure. This is possible by extending the notion of the usual Gibbs--Shannon entropy into more general framework - Renyi's information entropy. We address the…

统计力学 · 物理学 2007-05-23 Petr Jizba , Toshihico Arimitsu

We show that starting with either the non-extensive Tsallis entropy in Wang's formalism or the extensive Renyi entropy, it is possible to construct the equilibrium statistical mechanics with non-Gibbs canonical distribution functions. The…

高能物理 - 唯象学 · 物理学 2009-11-10 A. S. Parvan , T. S. Biro

It is possible to derive the maximum entropy principle from thermodynamic stability requirements. Using as a starting point the equilibrium probability distribution, currently used in non-extensive thermostatistics, it turns out that the…

统计力学 · 物理学 2007-05-23 Jan Naudts

Hierarchical topic modeling is a potentially powerful instrument for determining the topical structure of text collections that allows constructing a topical hierarchy representing levels of topical abstraction. However, tuning of…

机器学习 · 统计学 2021-01-20 Sergei Koltcov , Vera Ignatenko , Maxim Terpilovskii , Paolo Rosso

Entropy Estimation is an important problem with many applications in cryptography, statistic,machine learning. Although the estimators optimal with respect to the sample complexity have beenrecently developed, there are still some…

数据结构与算法 · 计算机科学 2020-02-24 Maciej Skorski

In this paper, we investigate the complete monotonicity of R\'enyi entropy along the heat flow. We confirm this property for the order of derivative up to $4$, when the order of R\'enyi entropy is in certain regimes. We also investigate…

信息论 · 计算机科学 2025-11-04 Hao Wu , Lei Yu , Laigang Guo

A new method is proposed for analyzing complexity and studying the information in random geometric networks using Tsallis entropy tool. Tsallis entropy of the ensemble of random geometric networks is calculated based on the components of…

统计力学 · 物理学 2025-02-20 O. K. Kazemi , S. M. Taheri

Entropy is the measure of uncertainty in any data and is adopted for maximisation of mutual information in many remote sensing operations. The availability of wide entropy variations motivated us for an investigation over the suitability…

计算机视觉与模式识别 · 计算机科学 2014-05-25 Dr. S. K. Katiyar , Arun P. V.

Maximum entropy principle does not seem to distinguish between the use of Tsallis and Renyi entropies as either of them may be used to derive similar power-law distributions. In this paper, we address the question whether the Renyi entropy…

统计力学 · 物理学 2007-05-23 Ramandeep S. Johal , Ugur Tirnakli

Entropy and relative or cross entropy measures are two very fundamental concepts in information theory and are also widely used for statistical inference across disciplines. The related optimization problems, in particular the maximization…

统计理论 · 数学 2021-06-18 Abhik Ghosh , Ayanendranath Basu

It is shown that the Renyi entropy is as stable as the Tsallis entropy at least for Abe-Lesche counterexamples.

统计力学 · 物理学 2009-11-10 Andrei G. Bashkirov

The equilibrium distributions of probabilities providing maximality of Renyi and Tsallis entropies are rederived. New S-forms of them are found which are normalised with corresponding entropies in contrast to the usual Z-forms normalised…

统计力学 · 物理学 2007-05-23 A. G. Bashkirov

The Shannon entropy is a widely used summary statistic, for example, network traffic measurement, anomaly detection, neural computations, spike trains, etc. This study focuses on estimating Shannon entropy of data streams. It is known that…

数据结构与算法 · 计算机科学 2009-10-09 Ping Li

Shannon entropy regularization is widely adopted in optimal control due to its ability to promote exploration and enhance robustness, e.g., maximum entropy reinforcement learning known as Soft Actor-Critic. In this paper, Tsallis entropy,…

最优化与控制 · 数学 2024-03-05 Yota Hashizume , Koshi Oishi , Kenji Kashima

We show that there exists a natural way to define a condition of generalized thermal equilibrium between systems governed by Tsallis thermostatistics, under the hypotheses that i) the coupling between the systems is weak, ii) the structure…

统计力学 · 物理学 2007-09-17 Massimo Marino

The field of information science has greatly developed, and applications in various fields have emerged. In this paper, we evaluated the coding system in the theory of Tsallis entropy for transmission of messages and aimed to formulate the…

分子网络 · 定量生物学 2017-12-13 Tatsuaki Tsuruyama

We propose a new way of defining entropy of a system, which gives a general form which may be nonextensive as Tsallis entropy, but is linearly dependent on component entropies, like Renyi entropy, which is extensive. This entropy has a…

适应与自组织系统 · 物理学 2007-10-11 Fariel Shafee
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