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With the increasing attention to molecular machine learning, various innovations have been made in designing better models or proposing more comprehensive benchmarks. However, less is studied on the data preprocessing schedule for molecular…

机器学习 · 计算机科学 2024-07-30 Yuchen Shen , Barnabás Póczos

Statistical information is ubiquitous but drawing valid conclusions from it is prohibitively hard. We explain how knowledge graph embeddings can be used to approximate probabilistic inference efficiently using the example of Statistical EL…

人工智能 · 计算机科学 2024-07-17 Yuqicheng Zhu , Nico Potyka , Bo Xiong , Trung-Kien Tran , Mojtaba Nayyeri , Evgeny Kharlamov , Steffen Staab

Accurate click-through rate (CTR) prediction is vital for online advertising and recommendation systems. Recent deep learning advancements have improved the ability to capture feature interactions and understand user interests. However,…

信息检索 · 计算机科学 2025-02-24 Kefan Wang , Hao Wang , Kenan Song , Wei Guo , Kai Cheng , Zhi Li , Yong Liu , Defu Lian , Enhong Chen

Electrochemical energy storage always involves the capacitive process. The prevailing electrode model used in the molecular simulation of polarizable electrode-electrolyte systems is the Siepmann-Sprik model developed for perfect metal…

材料科学 · 物理学 2023-10-03 Thomas Dufils , Lisanne Knijff , Yunqi Shao , Chao Zhang

We introduce Extended Density Matrix Embedding Theory (EDMET), a static quantum embedding theory explicitly self-consistent with respect to local two-body physics. This overcomes the biggest practical and conceptual limitation of more…

强关联电子 · 物理学 2021-12-22 Charles J. C. Scott , George H. Booth

Finding reduced models of spatially-distributed chemical reaction networks requires an estimation of which effective dynamics are relevant. We propose a machine learning approach to this coarse graining problem, where a maximum entropy…

生物物理 · 物理学 2018-08-15 Oliver K. Ernst , Thomas Bartol , Terrence Sejnowski , Eric Mjolsness

Using random walk sampling methods for feature learning on networks, we develop a method for generating low-dimensional node embeddings for directed graphs and identifying transition states of stochastic chemical reacting systems. We…

数值分析 · 数学 2020-10-30 Paula Mercurio , Di Liu

In the current deep learning based recommendation system, the embedding method is generally employed to complete the conversion from the high-dimensional sparse feature vector to the low-dimensional dense feature vector. However, as the…

信息检索 · 计算机科学 2021-08-10 Huimin Zhou , Qing Li , Yong Jiang , Rongwei Yang , Zhuyun Qi

Machine learning techniques paired with the availability of massive datasets dramatically enhance our ability to explore the chemical compound space by providing fast and accurate predictions of molecular properties. However, learning on…

We have created a knowledge graph based on major data sources used in ecotoxicological risk assessment. We have applied this knowledge graph to an important task in risk assessment, namely chemical effect prediction. We have evaluated nine…

人工智能 · 计算机科学 2022-03-31 Erik B. Myklebust , Ernesto Jiménez-Ruiz , Jiaoyan Chen , Raoul Wolf , Knut Erik Tollefsen

Neural node embeddings have recently emerged as a powerful representation for supervised learning tasks involving graph-structured data. We leverage this recent advance to develop a novel algorithm for unsupervised community discovery in…

社会与信息网络 · 计算机科学 2017-06-30 Weicong Ding , Christy Lin , Prakash Ishwar

Generative models of graph structure have applications in biology and social sciences. The state of the art is GraphRNN, which decomposes the graph generation process into a series of sequential steps. While effective for modest sizes, it…

机器学习 · 计算机科学 2019-10-18 Tony Duan , Juho Lee

Existing approaches for graph neural networks commonly suffer from the oversmoothing issue, regardless of how neighborhoods are aggregated. Most methods also focus on transductive scenarios for fixed graphs, leading to poor generalization…

机器学习 · 计算机科学 2020-06-25 Kyuyong Shin , Wonyoung Shin , Jung-Woo Ha , Sunyoung Kwon

Graph-based methods are known to be successful in many machine learning and pattern classification tasks. These methods consider semi-structured data as graphs where nodes correspond to primitives (parts, interest points, segments, etc.)…

计算机视觉与模式识别 · 计算机科学 2018-03-02 Anjan Dutta , Hichem Sahbi

Interaction between pharmacological agents can trigger unexpected adverse events. Capturing richer and more comprehensive information about drug-drug interactions (DDI) is one of the key tasks in public health and drug development.…

机器学习 · 计算机科学 2020-10-19 Yuanfei Dai , Chenhao Guo , Wenzhong Guo , Carsten Eickhoff

In this age of Big Data, machine learning based data mining methods are extensively used to inspect large scale data sets. Deriving applicable predictive modeling from these type of data sets is a challenging obstacle because of their high…

机器学习 · 计算机科学 2015-04-14 Ferhat Özgür Çatak

We note that most existing approaches for molecular graph generation fail to guarantee the intrinsic property of permutation invariance, resulting in unexpected bias in generative models. In this work, we propose GraphEBM to generate…

机器学习 · 计算机科学 2021-04-13 Meng Liu , Keqiang Yan , Bora Oztekin , Shuiwang Ji

Recent research has shown growing interest in modeling hypergraphs, which capture polyadic interactions among entities beyond traditional dyadic relations. However, most existing methodologies for hypergraphs face significant limitations,…

统计方法学 · 统计学 2025-11-04 Shihao Wu , Gongjun Xu , Ji Zhu

Inductive knowledge graph completion has been considered as the task of predicting missing triplets between new entities that are not observed during training. While most inductive knowledge graph completion methods assume that all entities…

机器学习 · 计算机科学 2023-08-21 Jaejun Lee , Chanyoung Chung , Joyce Jiyoung Whang

Restricted Boltzmann Machines (RBMs) are widely used probabilistic undirected graphical models with visible and latent nodes, playing an important role in statistics and machine learning. The task of structure learning for RBMs involves…

量子物理 · 物理学 2023-09-26 Liming Zhao , Aman Agrawal , Patrick Rebentrost
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