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Crystal structure prediction is a long-standing challenge in materials science, with most data-driven methods developed for inorganic systems. This leaves an important gap for organic crystals, which are central to pharmaceuticals,…

材料科学 · 物理学 2026-02-25 Mohammadmahdi Vahediahmar , Matthew A. McDonald , Feng Liu

Image manipulation detection is to identify the authenticity of each pixel in images. One typical approach to uncover manipulation traces is to model image correlations. The previous methods commonly adopt the grids, which are fixed-size…

计算机视觉与模式识别 · 计算机科学 2025-03-25 Xudong Wang , Jiaran Zhou , Huiyu Zhou , Junyu Dong , Yuezun Li

Coarse-grained models are a core computational tool in theoretical chemistry and biophysics. A judicious choice of a coarse-grained model can yield physical insight by isolating the essential degrees of freedom that dictate the…

统计力学 · 物理学 2023-04-12 Shriram Chennakesavalu , David J. Toomer , Grant M. Rotskoff

Graph neural networks (GNNs) have been used extensively for addressing problems in drug design and discovery. Both ligand and target molecules are represented as graphs with node and edge features encoding information about atomic elements…

机器学习 · 计算机科学 2021-10-14 Dhananjay Bhaskar , Jackson D. Grady , Michael A. Perlmutter , Smita Krishnaswamy

Computational biology offers immense potential for reducing the high costs and protracted cycles of new drug development through adverse drug reaction (ADR) prediction. However, current methods remain impeded by drug data scarcity-induced…

机器学习 · 计算机科学 2026-01-06 Yuyan Pi , Min Jin , Wentao Xie , Xinhua Liu

Self-supervised auto-encoders have emerged as a successful framework for representation learning in computer vision and natural language processing in recent years, However, their application to graph data has been met with limited…

人工智能 · 计算机科学 2023-01-31 Chengyu Sun

This article is motivated by studying the interaction of magnetic moments in high entropy alloys (HEAs), which plays an important role in guiding HEA designs in materials science. While first principles simulations can capture magnetic…

统计方法学 · 统计学 2021-05-13 Xinrui Liu , Yifeng Wu , Douglas L. Irving , Meng Li

Condense phase molecular systems organize in wide range of distinct molecular configurations, including amorphous melt and glass as well as crystals often exhibiting polymorphism, that originate from their intricate intra- and…

介观与纳米尺度物理 · 物理学 2024-03-25 Brian H. Lee , James P. Larentzos , John K. Brennan , Alejandro Strachan

The role of catalyst support and regioselectivity of molecular adsorption on a metal oxide surface is investigated for the NO reduction on a Cu/{\gamma}-alumina heterogeneous catalyst. For the solid surface, computational models of the…

材料科学 · 物理学 2021-02-24 Wataru Ota , Yasuro Kojima , Saburo Hosokawa , Kentaro Teramura , Tsunehiro Tanaka , Tohru Sato

Contemporary graph learning algorithms are not well-defined for large molecules since they do not consider the hierarchical interactions among the atoms, which are essential to determine the molecular properties of macromolecules. In this…

机器学习 · 计算机科学 2023-08-02 Nhat Khang Ngo , Truong Son Hy , Risi Kondor

This paper studies unsupervised/self-supervised whole-graph representation learning, which is critical in many tasks such as molecule properties prediction in drug and material discovery. Existing methods mainly focus on preserving the…

机器学习 · 计算机科学 2021-06-09 Minghao Xu , Hang Wang , Bingbing Ni , Hongyu Guo , Jian Tang

Understanding low-dimensional structures within high-dimensional data is crucial for visualization, interpretation, and denoising in complex datasets. Despite the advancements in manifold learning techniques, key challenges-such as limited…

机器学习 · 统计学 2025-04-04 Yafei Shen , Huan-Fei Ma , Ling Yang

As malware continues to become increasingly sophisticated, threatening, and evasive, malware detection systems must keep pace and become equally intelligent, powerful, and transparent. In this paper, we propose Assembly Flow Graph (AFG) to…

密码学与安全 · 计算机科学 2026-02-02 Griffin Higgins , Roozbeh Razavi-Far , Hossein Shokouhinejad , Ali A. Ghorbani

Accurate prediction of physical properties is critical for discovering and designing novel materials. Machine learning technologies have attracted significant attention in the materials science community for their potential for large-scale…

材料科学 · 物理学 2021-11-24 Boyu Zhang , Mushen Zhou , Jianzhong Wu , Fuchang Gao

For several decades, chemical knowledge has been published in written text, and there have been many attempts to make it accessible, for example, by transforming such natural language text to a structured format. Although the discovered…

计算机视觉与模式识别 · 计算机科学 2022-02-22 Sanghyun Yoo , Ohyun Kwon , Hoshik Lee

Retrieval-augmented generation (RAG) is a powerful technique that enhances downstream task execution by retrieving additional information, such as knowledge, skills, and tools from external sources. Graph, by its intrinsic "nodes connected…

The Open-Domain Question Answering (ODQA) task involves retrieving and subsequently generating answers from fine-grained relevant passages within a database. Current systems leverage Pretrained Language Models (PLMs) to model the…

计算与语言 · 计算机科学 2023-05-29 Cunxiang Wang , Zhikun Xu , Qipeng Guo , Xiangkun Hu , Xuefeng Bai , Zheng Zhang , Yue Zhang

Heterogeneous graph neural networks aim to discover discriminative node embeddings and relations from multi-relational networks.One challenge of heterogeneous graph learning is the design of learnable meta-paths, which significantly…

机器学习 · 计算机科学 2023-04-19 Zhaoliang Chen , Zhihao Wu , Luying Zhong , Claudia Plant , Shiping Wang , Wenzhong Guo

In many numerical schemes, the computational complexity scales non-linearly with the problem size. Solving a linear system of equations using direct methods or most iterative methods is a typical example. Algebraic multi-grid (AMG) methods…

In order to efficiently learn with small amount of data on new tasks, meta-learning transfers knowledge learned from previous tasks to the new ones. However, a critical challenge in meta-learning is the task heterogeneity which cannot be…

机器学习 · 计算机科学 2020-01-06 Huaxiu Yao , Xian Wu , Zhiqiang Tao , Yaliang Li , Bolin Ding , Ruirui Li , Zhenhui Li