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Neural network representation learning frameworks have recently shown to be highly effective at a wide range of tasks ranging from radiography interpretation via data-driven diagnostics to clinical decision support. This often superior…

信息检索 · 计算机科学 2018-11-14 Xing Wei , Carsten Eickhoff

Session-based recommendation systems suggest relevant items to users by modeling user behavior and preferences using short-term anonymous sessions. Existing methods leverage Graph Neural Networks (GNNs) that propagate and aggregate…

信息检索 · 计算机科学 2022-01-10 Sai Mitheran , Abhinav Java , Surya Kant Sahu , Arshad Shaikh

Graph embedding learning that aims to automatically learn low-dimensional node representations, has drawn increasing attention in recent years. To date, most recent graph embedding methods are evaluated on social and information networks…

The increasing share of renewable energy and distributed electricity generation requires the development of deep learning approaches to address the lack of flexibility inherent in traditional power grid methods. In this context, Graph…

机器学习 · 计算机科学 2026-01-08 Mohamed Hassouna , Clara Holzhüter , Pawel Lytaev , Josephine Thomas , Bernhard Sick , Christoph Scholz

Graph representation learning aims to effectively encode high-dimensional sparse graph-structured data into low-dimensional dense vectors, which is a fundamental task that has been widely studied in a range of fields, including machine…

Early identification of stroke is crucial for intervention, requiring reliable models. We proposed an efficient retinal image representation together with clinical information to capture a comprehensive overview of cardiovascular health,…

计算机视觉与模式识别 · 计算机科学 2024-11-11 Yuqing Huang , Bastian Wittmann , Olga Demler , Bjoern Menze , Neda Davoudi

Existing studies on reinforcement learning (RL) for sepsis management have mostly followed an established problem setup, in which patient data are aggregated into 4-hour time steps. Although concerns have been raised regarding the…

机器学习 · 计算机科学 2025-11-27 Yingchuan Sun , Shengpu Tang

In recent years, Deep Learning methods have achieved state of the art performance in a vast range of machine learning tasks, including image classification and multilingual automatic text translation. These architectures are trained to…

机器学习 · 计算机科学 2020-12-15 Carlos Lassance

Neural networks have been shown to be an effective tool for learning algorithms over graph-structured data. However, graph representation techniques---that convert graphs to real-valued vectors for use with neural networks---are still in…

机器学习 · 计算机科学 2018-10-10 Shaileshh Bojja Venkatakrishnan , Mohammad Alizadeh , Pramod Viswanath

We present a two-step hybrid reinforcement learning (RL) policy that is designed to generate interpretable and robust hierarchical policies on the RL problem with graph-based input. Unlike prior deep reinforcement learning policies…

机器学习 · 计算机科学 2022-10-20 Tongzhou Mu , Kaixiang Lin , Feiyang Niu , Govind Thattai

Representation learning models for graphs are a successful family of techniques that project nodes into feature spaces that can be exploited by other machine learning algorithms. Since many real-world networks are inherently dynamic, with…

机器学习 · 计算机科学 2020-06-26 Simone Piaggesi , André Panisson

This abstract proposes an approach towards goal-oriented modeling of the detection and modeling complex social phenomena in multiparty discourse in an online political strategy game. We developed a two-tier approach that first encodes…

计算与语言 · 计算机科学 2022-01-05 Hansin Ahuja , Lynnette Hui Xian Ng , Kokil Jaidka

Our capacity to learn representations from data is related to our ability to design filters that can leverage their coupling with the underlying domain. Graph filters are one such tool for network data and have been used in a myriad of…

信号处理 · 电气工程与系统科学 2022-03-16 Bishwadeep Das , Elvin Isufi

Representation learning in dynamic graphs is a challenging problem because the topology of graph and node features vary at different time. This requires the model to be able to effectively capture both graph topology information and…

机器学习 · 计算机科学 2021-11-16 Xintao Xiang , Tiancheng Huang , Donglin Wang

Graph neural networks (GNNs) are becoming increasingly popular in the medical domain for the tasks of disease classification and outcome prediction. Since patient data is not readily available as a graph, most existing methods either…

计算机视觉与模式识别 · 计算机科学 2023-10-05 Nithya Bhasker , Stefan Leger , Alexander Zwanenburg , Chethan Babu Reddy , Sebastian Bodenstedt , Steffen Löck , Stefanie Speidel

The improvement of traffic efficiency at urban intersections receives strong research interest in the field of automated intersection management. So far, mostly non-learning algorithms like reservation or optimization-based ones were…

机器人学 · 计算机科学 2022-11-10 Marvin Klimke , Jasper Gerigk , Benjamin Völz , Michael Buchholz

With the advances of data-driven machine learning research, a wide variety of prediction problems have been tackled. It has become critical to explore how machine learning and specifically deep learning methods can be exploited to analyse…

机器学习 · 计算机科学 2021-11-09 David Ahmedt-Aristizabal , Mohammad Ali Armin , Simon Denman , Clinton Fookes , Lars Petersson

In the past decade, with the development of big data technology, an increasing amount of patient information has been stored as electronic health records (EHRs). Leveraging these data, various doctor recommendation systems have been…

信息检索 · 计算机科学 2022-07-14 Luning Bi , Yunlong Wang , Fan Zhang , Zhuqing Liu , Yong Cai , Emily Zhao

Intracranial Hemorrhage is a potentially lethal condition whose manifestation is vastly diverse and shifts across clinical centers worldwide. Deep-learning-based solutions are starting to model complex relations between brain structures,…

计算机视觉与模式识别 · 计算机科学 2024-11-04 Antoine P. Sanner , Jonathan Stieber , Nils F. Grauhan , Suam Kim , Marc A. Brockmann , Ahmed E. Othman , Anirban Mukhopadhyay

When facing graph signal processing tasks, the workhorse assumption is that the graph describing the support of the signals is known. However, in many relevant applications the available graph suffers from observation errors and…

信号处理 · 电气工程与系统科学 2024-12-03 Samuel Rey , Victor M. Tenorio , Antonio G. Marques