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In this paper, we propose a multi-layer ant-based algorithm MABA, which detects communities from networks by means of locally optimizing modularity using individual ants. The basic version of MABA, namely SABA, combines a self-avoiding…

社会与信息网络 · 计算机科学 2013-03-20 Dongxiao He , Jie Liu , Bo Yang , Yuxiao Huang , Dayou Liu , Di Jin

This article presents a novel approach to multimodal recommendation systems, focusing on integrating and purifying multimodal data. Our methodology starts by developing a filter to remove noise from various types of data, making the…

信息检索 · 计算机科学 2024-05-30 Mert Burabak , Tevfik Aytekin

We consider information retrieval when the data, for instance multimedia, is coputationally expensive to fetch. Our approach uses "information filters" to considerably narrow the universe of possiblities before retrieval. We are especially…

信息检索 · 计算机科学 2007-05-23 Neil C. Rowe

Community detection plays a crucial role in understanding the structural organization of complex networks. Previous methods, particularly those from statistical physics, primarily focus on the analysis of mesoscopic network structures and…

社会与信息网络 · 计算机科学 2025-04-21 Yijun Ran , Junfan Yi , Wei Si , Michael Small , Ke-ke Shang

Mutual Information (MI) is a fundamental metric for quantifying dependency between two random variables. When we can access only the samples, but not the underlying distribution functions, we can evaluate MI using sample-based estimators.…

机器学习 · 统计学 2024-10-16 Kyungeun Lee , Wonjong Rhee

Many systems can be described using graphs, or networks. Detecting communities in these networks can provide information about the underlying structure and functioning of the original systems. Yet this detection is a complex task and a…

数据结构与算法 · 计算机科学 2013-02-06 Erwan Le Martelot , Chris Hankin

Feature selection is a process of choosing a subset of relevant features so that the quality of prediction models can be improved. An extensive body of work exists on information-theoretic feature selection, based on maximizing Mutual…

机器学习 · 计算机科学 2016-12-05 Jilin Wu , Soumyajit Gupta , Chandrajit Bajaj

The community of different types of microbes present in a biological niche plays a very important role in functioning of the system. The crosstalk or interactions among the different microbes contributes to the building blocks of such…

信息检索 · 计算机科学 2023-05-15 Krishanu Das Baksi , Vatsala Pokhrel , Kuntal Kumar Bhusan , Sharmila Mande

An active area of research interest is the inference of ecological models of complex microbial communities. Inferring such ecological models entails understanding the interactions between microbes and how they affect each other's growth.…

应用统计 · 统计学 2022-10-19 William Krinsman

Inferring microbial interaction networks from abundance patterns is an important approach to advance our understanding of microbial communities in general and the human microbiome in particular. Here we suggest discriminating two levels of…

种群与进化 · 定量生物学 2023-06-06 Isabella-Hilda Mendler , Barbara Drossel , Marc-Thorsten Hütt

We propose to use precise estimators of mutual information (MI) to find least dependent components in a linearly mixed signal. On the one hand this seems to lead to better blind source separation than with any other presently available…

计算物理 · 物理学 2007-07-16 Harald Stögbauer , Alexander Kraskov , Sergey A. Astakhov , Peter Grassberger

The critical importance of human milk to infants and even human civilization has been well established. Although the human milk microbiome has received increasing attention with the expansion of research on the human microbiome, our…

定量方法 · 定量生物学 2014-10-03 Zhanshan Ma , Qiong Guan , Chengxi Ye , Chengchen Zhang , James A. Foster , Larry J. Forney

Community detection is a key task to further understand the function and the structure of complex networks. Therefore, a strategy used to assess this task must be able to avoid biased and incorrect results that might invalidate further…

社会与信息网络 · 计算机科学 2021-02-09 Jeancarlo Campos Leão , Alberto H. F. Laender , Pedro O. S. Vaz de Melo

Microbes are essentially yet convolutedly linked with human lives on the earth. They critically interfere in different physiological processes and thus influence overall health status. Studying microbial species is used to be constrained to…

基因组学 · 定量生物学 2021-09-03 Chao Yang , Debajyoti Chowdhury , Zhenmiao Zhang , William K. Cheung , Aiping Lu , Zhao Xiang Bian , Lu Zhang

Synthetic molecular communication (MC) has emerged as a powerful framework for modeling, analyzing, and designing communication systems where information is encoded into properties of molecules. Among the envisioned applications of MC is…

系统与控制 · 电气工程与系统科学 2026-03-17 Timo Jakumeit , Bastian Heinlein , Vukašin Spasojević , Vahid Jamali , Robert Schober , Maximilian Schäfer

Matched filters (MFs) are elegant and widely used tools to detect and measure signals that resemble a known template in noisy data. However, they can perform poorly in the presence of contaminating sources of similar or smaller spatial…

天体物理仪器与方法 · 物理学 2019-02-01 Jens Erler , Miriam E. Ramos-Ceja , Kaustuv Basu , Frank Bertoldi

We introduce a machine learning-based method for fully automated diagnosis of sickle cell disease of poor-quality unstained images of a mobile microscope. Our method is capable of distinguishing between diseased, trait (carrier), and normal…

计算机视觉与模式识别 · 计算机科学 2021-03-31 Sahar A. Nasser , Debjani Paul , Suyash P. Awate

Educational data mining has become an important research field in studying the social behavior of college students using massive data. However, traditional campus friendship network and their community detection algorithms, which lack time…

社会与信息网络 · 计算机科学 2023-05-04 Ren Chao , Yang Menghui

We introduce a novel Mutual Information (MI) estimator that fundamentally reframes the discriminative approach. Instead of training a classifier to discriminate between joint and marginal distributions, we learn a normalizing flow that…

机器学习 · 计算机科学 2026-02-10 Ivan Butakov , Alexander Semenenko , Valeriya Kirova , Alexey Frolov , Ivan Oseledets

The community structure of a complex network can be determined by finding the partitioning of its nodes that maximizes modularity. Many of the proposed algorithms for doing this work by recursively bisecting the network. We show that this…

计算机与社会 · 计算机科学 2015-05-13 Yudong Sun , Bogdan Danila , Kresimir Josic , Kevin E. Bassler