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In this work new achievable rates are derived, for the uplink channel of a cellular network with joint multicell processing, where unlike previous results, the ideal backhaul network has finite capacity per-cell. Namely, the cell sites are…

信息论 · 计算机科学 2008-06-02 Amichai Sanderovich , Oren Somekh , H. Vincent Poor , Shlomo Shamai

Loan risk for small businesses has long been a complex problem worthy of exploring. Predicting the loan risk can benefit entrepreneurship by developing more jobs for the society. CatBoost (Categorical Boosting) is a powerful machine…

计算工程、金融与科学 · 计算机科学 2021-07-01 Haoxue Wang , Liexin Cheng

Training deep learning models and performing hyperparameter tuning can be computationally demanding and time-consuming. Meanwhile, traditional machine learning methods like gradient-boosting algorithms remain the preferred choice for most…

机器学习 · 计算机科学 2024-02-23 David Bonet , Daniel Mas Montserrat , Xavier Giró-i-Nieto , Alexander G. Ioannidis

SUMMARY: Recently, novel machine-learning algorithms have shown potential for predicting undiscovered links in biomedical knowledge networks. However, dedicated benchmarks for measuring algorithmic progress have not yet emerged. With…

人工智能 · 计算机科学 2022-04-06 Anna Breit , Simon Ott , Asan Agibetov , Matthias Samwald

Efficient link prediction in continuous-time dynamic networks is a challenging problem that has attracted much research attention in recent years. A widely used approach to dynamic network link prediction is to extract the local structure…

动力系统 · 数学 2023-09-12 Ruizhi Zhang , Wei Wei , Qiming Yang , Zhenyu Shi , Xiangnan Feng , Zhiming Zheng

In the first part of this paper, we propose new optimization-based methods for the computation of preferred (dense, sparse, reversible, detailed and complex balanced) linearly conjugate reaction network structures with mass action dynamics.…

动力系统 · 数学 2014-07-15 Matthew D. Johnston , David Siegel , Gábor Szederkényi

Predictions of missing links of incomplete networks like protein-protein interaction networks or very likely but not yet existent links in evolutionary networks like friendship networks in web society can be considered as a guideline for…

数据分析、统计与概率 · 物理学 2009-10-27 Linyuan Lv , Ci-Hang Jin , Tao Zhou

We consider the link prediction problem in a partially observed network, where the objective is to make predictions in the unobserved portion of the network. Many existing methods reduce link prediction to binary classification problem.…

机器学习 · 统计学 2016-02-23 Bopeng Li , Sougata Chaudhuri , Ambuj Tewari

Mixed-precision quantization of efficient networks often suffer from activation instability encountered in the exploration of bit selections. To address this problem, we propose a novel method called MetaMix which consists of bit selection…

机器学习 · 计算机科学 2024-04-10 Han-Byul Kim , Joo Hyung Lee , Sungjoo Yoo , Hong-Seok Kim

Most real-world classification problems deal with imbalanced datasets, posing a challenge for Artificial Intelligence (AI), i.e., machine learning algorithms, because the minority class, which is of extreme interest, often proves difficult…

A large body of research on link prediction problem is devoted to finding missing links in single-layer (simplex) networks. The proposed link prediction methods compute a similarity measure between unconnected node pairs based on the…

Boosting has emerged as a useful machine learning technique over the past three decades, attracting increased attention. Most advancements in this area, however, have primarily focused on numerical implementation procedures, often lacking…

统计方法学 · 统计学 2026-02-23 Yuan Bian , Grace Y. Yi , Wenqing He

Reconstructing network dynamics from data is crucial for predicting the changes in the dynamics of complex systems such as neuron networks; however, previous research has shown that the reconstruction is possible under strong constraints…

动力系统 · 数学 2023-04-07 Irem Topal , Deniz Eroglu

Boosting methods are widely used in statistical learning to deal with high-dimensional data due to their variable selection feature. However, those methods lack straightforward ways to construct estimators for the precision of the…

统计方法学 · 统计学 2021-06-10 Boyao Zhang , Colin Griesbach , Cora Kim , Nadia Müller-Voggel , Elisabeth Bergherr

This study assesses the efficiency of several popular machine learning approaches in the prediction of molecular binding affinity: CatBoost, Graph Attention Neural Network, and Bidirectional Encoder Representations from Transformers. The…

机器学习 · 计算机科学 2020-12-16 Oleksandr Gurbych , Maksym Druchok , Dzvenymyra Yarish , Sofiya Garkot

Hyperbolic neural networks have shown great potential for modeling complex data. However, existing hyperbolic networks are not completely hyperbolic, as they encode features in a hyperbolic space yet formalize most of their operations in…

计算与语言 · 计算机科学 2022-03-17 Weize Chen , Xu Han , Yankai Lin , Hexu Zhao , Zhiyuan Liu , Peng Li , Maosong Sun , Jie Zhou

We consider the problem of single link failure in an elastic optical network, (also known as flex-grid WDM network). The task is to reroute optical connections that go through the broken link using free capacity of other links of the…

网络与互联网体系结构 · 计算机科学 2024-06-17 Alexander Rubtsov , Bruno Bauwens , Dmitri Shmelkin , Elizaveta Rudenko , Alexey Lavrov

Link prediction is a popular research area with important applications in a variety of disciplines, including biology, social science, security, and medicine. The fundamental requirement of link prediction is the accurate and effective…

信息检索 · 计算机科学 2015-05-18 Yang Yang , Ryan N. Lichtenwalter , Nitesh V. Chawla

Optimization-based models have been used to predict cellular behavior for over 25 years. The constraints in these models are derived from genome annotations, measured macro-molecular composition of cells, and by measuring the cell's growth…

The problem of link prediction, predicting if two nodes in a network have a connection between them, is a theoretical problem with numerous field-agnostic real-world applications. This paper investigates the efficacy of three classes of…

社会与信息网络 · 计算机科学 2023-06-23 Vivian Feng