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Sampling-based decoding underlies complex reasoning in large language models (LLMs), where decoding strategies critically shape model behavior. Temperature- and truncation-based methods reshape the next-token distribution through global…

人工智能 · 计算机科学 2026-02-02 Yixin Yang , Qingxiu Dong , Zhifang Sui

We propose a novel classification framework grounded in symbolic dynamics and data compression using chaotic maps. The core idea is to model each class by generating symbolic sequences from thresholded real-valued training data, which are…

机器学习 · 计算机科学 2026-03-26 Parth Naik , Harikrishnan N B

Considering vast amounts of genomic sequences of mostly unknown functionality, in-silico prediction of functional regions is an important enterprise. Many genomic browsers employ GC content, which was observed to be elevated in gene-rich…

基因组学 · 定量生物学 2007-05-23 Dmitri Parkhomchuk

A lot of work has been done in the field of image compression via machine learning, but not much attention has been given to the compression of natural language. Compressing text into lossless representations while making features easily…

计算与语言 · 计算机科学 2019-08-05 Gabriele Prato , Mathieu Duchesneau , Sarath Chandar , Alain Tapp

Recently, methods have been developed to accurately predict the testing performance of a Deep Neural Network (DNN) on a particular task, given statistics of its underlying topological structure. However, further leveraging this newly found…

计算机视觉与模式识别 · 计算机科学 2021-12-01 Stuart Synakowski , Fabian Benitez-Quiroz , Aleix M. Martinez

This paper develops a unified framework for measuring concentration in weighted systems embedded in networks of interactions. While traditional indices such as the Herfindahl-Hirschman Index capture dispersion in weights, they neglect the…

机器学习 · 统计学 2026-03-24 L. Riso , M. G. Zoia

Representations of population models in terms of countable systems of particles are constructed, in which each particle has a `type', typically recording both spatial position and genetic type, and a level. For finite intensity models, the…

概率论 · 数学 2018-06-05 Alison M. Etheridge , Thomas G. Kurtz

Efficient probability density estimation is a core challenge in statistical machine learning. Tensor-based probabilistic graph methods address interpretability and stability concerns encountered in neural network approaches. However, a…

机器学习 · 计算机科学 2023-12-14 Ruituo Wu , Jiani Liu , Ce Zhu , Anh-Huy Phan , Ivan V. Oseledets , Yipeng Liu

A density-based topology optimization framework is developed to manipulate characteristic modes of conducting surfaces. The adjoint sensitivity analysis provides an efficient computation of the material gradient utilized by the local…

最优化与控制 · 数学 2025-02-07 Jonas Tucek , Miloslav Capek , Lukas Jelinek

Power system studies require the topological structures of real-world power networks; however, such data is confidential due to important security concerns. Thus, power grid synthesis (PGS), i.e., creating realistic power grids that imitate…

社会与信息网络 · 计算机科学 2019-04-15 Mahdi Khodayar , Jianhui Wang , Zhaoyu Wang

Nonparametric estimation of the conditional distribution of a response given high-dimensional features is a challenging problem. It is important to allow not only the mean but also the variance and shape of the response density to change…

机器学习 · 统计学 2013-12-05 Francesca Petralia , Joshua Vogelstein , David B. Dunson

In recent years, convolutional neural networks (CNNs) have experienced an increasing interest in their ability to perform a fast approximation of effective hydrodynamic parameters in porous media research and applications. This paper…

机器学习 · 计算机科学 2022-04-14 Stephan Gärttner , Faruk O. Alpak , Andreas Meier , Nadja Ray , Florian Frank

Many real-world datasets are represented as tensors, i.e., multi-dimensional arrays of numerical values. Storing them without compression often requires substantial space, which grows exponentially with the order. While many tensor…

机器学习 · 计算机科学 2023-09-21 Taehyung Kwon , Jihoon Ko , Jinhong Jung , Kijung Shin

Complex prediction models such as deep learning are the output from fitting machine learning, neural networks, or AI models to a set of training data. These are now standard tools in science. A key challenge with the current generation of…

机器学习 · 计算机科学 2022-10-21 Meng Liu , Tamal K. Dey , David F. Gleich

This paper presents a synthesis approach in a density-based topology optimization setting to design large deformation compliant mechanisms for inducing desired strains in biological tissues. The modelling is based on geometrical…

计算工程、金融与科学 · 计算机科学 2021-03-26 P. Kumar , C. Schmidleithner , N. B. Larsen , O. Sigmund

Pedestal is the key to conventional high performance plasma scenarios in tokamaks. However, high fidelity simulations of pedestal plasmas are extremely challenging due to the multiple physical processes and scales that are encompassed by…

等离子体物理 · 物理学 2023-03-08 Adam Kit , Aaro Jaervinen , Lorenzo Frassinetti , Sven Wiesen , JET Contributors

Persistence diagrams play a fundamental role in Topological Data Analysis where they are used as topological descriptors of filtrations built on top of data. They consist in discrete multisets of points in the plane $\mathbb{R}^2$ that can…

计算几何 · 计算机科学 2019-03-25 Frédéric Chazal , Vincent Divol

Conditional density estimation (CDE) is a fundamental task in machine learning that aims to model the full conditional law $\mathbb{P}(\mathbf{y} \mid \mathbf{x})$, beyond mere point prediction (e.g., mean, mode). A core challenge is…

机器学习 · 计算机科学 2026-03-27 Chenglong Song , Mazharul Islam , Lin Wang , Bing Chen , Bo Yang

Diffusion models have been successful on a range of conditional generation tasks including molecular design and text-to-image generation. However, these achievements have primarily depended on task-specific conditional training or…

机器学习 · 统计学 2024-11-26 Luhuan Wu , Brian L. Trippe , Christian A. Naesseth , David M. Blei , John P. Cunningham

High-throughput shotgun sequence data makes it possible in principle to accurately estimate population genetic parameters without confounding by SNP ascertainment bias. One such statistic of interest is the proportion of heterozygous sites…

种群与进化 · 定量生物学 2012-12-18 Katarzyna Bryc , Nick Patterson , David Reich