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Graphs as a type of data structure have recently attracted significant attention. Representation learning of geometric graphs has achieved great success in many fields including molecular, social, and financial networks. It is natural to…

机器学习 · 计算机科学 2021-07-08 Tian Xia , Wei-Shinn Ku

Charge transfer in a DNA duplex chain is studied by constructing a system with virtual electrodes connected at the ends of each DNA strand. The systeym is described by the tight-binding model and its transport is analyzed by the transfer…

介观与纳米尺度物理 · 物理学 2009-11-11 X. F. Wang , Tapash Chakraborty

Protein quantification and analysis are well-accepted approaches for biomarker discovery but are limited to identification without structural information. High-throughput omics data (i.e., genomics, transcriptomics, and proteomics) have…

Proteins are an important class of biomolecules that serve as essential building blocks of the cells. Their three-dimensional structures are responsible for their functions. In this thesis we have investigated the protein structures using a…

分子网络 · 定量生物学 2007-11-19 Ganesh Bagler

Transformer architectures have proven to learn useful representations for protein classification and generation tasks. However, these representations present challenges in interpretability. In this work, we demonstrate a set of methods for…

计算与语言 · 计算机科学 2021-03-30 Jesse Vig , Ali Madani , Lav R. Varshney , Caiming Xiong , Richard Socher , Nazneen Fatema Rajani

The analysis and interpretation of relationships between biological molecules is done with the help of networks. Networks are used ubiquitously throughout biology to represent the relationships between genes and gene products. Network…

计算工程、金融与科学 · 计算机科学 2012-11-13 Rashmi Rameshwari , T. V. Prasad

Accurate identification of protein binding sites is crucial for understanding biomolecular interaction mechanisms and for the rational design of drug targets. Traditional predictive methods often struggle to balance prediction accuracy with…

机器学习 · 计算机科学 2026-01-06 Weisen Yang , Hanqing Zhang , Wangren Qiu , Xuan Xiao , Weizhong Lin

The conformation space of a 20-residue antiparallel $\beta$-sheet peptide, sampled by molecular dynamics simulations, is mapped to a network. Conformations are nodes of the network, and the transitions between them are links. The…

生物大分子 · 定量生物学 2007-05-23 Francesco Rao , Amedeo Caflisch

In this paper, we propose a data-driven method to learn interpretable topological features of biomolecular data and demonstrate the efficacy of parsimonious models trained on topological features in predicting the stability of synthetic…

机器学习 · 统计学 2024-08-12 Amish Mishra , Francis Motta

A fundamental problem in studying and modeling economic and financial systems is represented by privacy issues, which put severe limitations on the amount of accessible information. Here we introduce a novel, highly nontrivial method to…

物理与社会 · 物理学 2018-12-10 Giulio Cimini , Tiziano Squartini , Andrea Gabrielli , Diego Garlaschelli

We define bipartite and monopartite relational networks of chemical elements and compounds using two different datasets of inorganic chemical and material compounds, as well as study their topology. We discover that the connectivity between…

Transcriptomic data is a treasure-trove in modern molecular biology, as it offers a comprehensive viewpoint into the intricate nuances of gene expression dynamics underlying biological systems. This genetic information must be utilised to…

分子网络 · 定量生物学 2023-12-13 Vikram Singh , Vikram Singh

Measurement and analysis of high energetic particles for scientific, medical or industrial applications is a complex procedure, requiring the design of sophisticated detector and data processing systems. The development of adaptive and…

计算物理 · 物理学 2025-10-30 Tobias Kortus , Ralf Keidel , Nicolas R. Gauger

Relational databases are the de facto standard for storing and querying structured data, and extracting insights from structured data requires advanced analytics. Deep neural networks (DNNs) have achieved super-human prediction performance…

机器学习 · 计算机科学 2021-07-06 Shaofeng Cai , Kaiping Zheng , Gang Chen , H. V. Jagadish , Beng Chin Ooi , Meihui Zhang

Many proteins remain functionally unannotated. Sequence alignment (SA) uncovers missing annotations by transferring functional knowledge between species' sequence-conserved regions. Because SA is imperfect, network alignment (NA)…

分子网络 · 定量生物学 2020-06-16 Shawn Gu , Tijana Milenkovic

Given any complex directed network, a set of acyclic subgraphs - the hierarchical backbone of the network - can be extracted that will provide valuable information about its hierarchical structure. The current paper presents how the…

统计力学 · 物理学 2007-05-23 Luciano da Fontoura Costa

Normal mode analysis offers an efficient way of modeling the conformational flexibility of protein structures. Simple models defined by contact topology, known as elastic network models, have been used to model a variety of systems, but the…

生物大分子 · 定量生物学 2007-05-23 Dmitry A. Kondrashov , Adam W. Van Wynsberghe , Ryan M. Bannen , Qiang Cui , George N. Phillips

Charge separation properties, that is the ability of a chromophore, or a chromophore/semiconductor interface, to separate charges upon light absorption, are crucial characteristics for an efficient photovoltaic device. Starting from this…

化学物理 · 物理学 2019-12-05 Thibaud Etienne , Mariachiara Pastore

Biology stores information and computes at the molecular scale, yet the ways in which it does so are often distinct from human-engineered computers. Mapping biological computation onto architectures familiar to computer science remains an…

生物物理 · 物理学 2026-03-31 Jan Kocka , Kabir Husain , Jaime Agudo-Canalejo

Our work is motivated by and illustrated with application of association networks in computational biology, specifically in the context of gene/protein regulatory networks. Association networks represent systems of interacting elements,…

应用统计 · 统计学 2012-05-01 Natallia Katenka , Eric D. Kolaczyk