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Deep learning (DL) has achieved notable successes in many machine learning tasks. A number of frameworks have been developed to expedite the process of designing and training deep neural networks (DNNs), such as Caffe, Torch and Theano.…

Machine Learning · Computer Science 2015-12-22 Hao Zhang , Zhiting Hu , Jinliang Wei , Pengtao Xie , Gunhee Kim , Qirong Ho , Eric Xing

Deep learning models can take weeks to train on a single GPU-equipped machine, necessitating scaling out DL training to a GPU-cluster. However, current distributed DL implementations can scale poorly due to substantial parameter…

Machine Learning · Computer Science 2017-06-13 Hao Zhang , Zeyu Zheng , Shizhen Xu , Wei Dai , Qirong Ho , Xiaodan Liang , Zhiting Hu , Jinliang Wei , Pengtao Xie , Eric P. Xing

We introduce Poseidon, a foundation model for learning the solution operators of PDEs. It is based on a multiscale operator transformer, with time-conditioned layer norms that enable continuous-in-time evaluations. A novel training strategy…

Amazon Neptune is a graph database service that supports two graph (meta)models: W3C's Resource Description Framework (RDF) and Labeled Property Graphs (LPG). Customers opt in for one or the other model, and this choice determines which…

Real world graphs are often dynamic and evolve over time. It is crucial for storing and querying graph evolution in graph databases. However, existing works either suffer from high storage overhead or lack efficient temporal query support,…

Databases · Computer Science 2024-04-02 Jiamin Hou , Zhanhao Zhao , Zhouyu Wang , Wei Lu , Guodong Jin , Dong Wen , Xiaoyong Du

In this systems paper, we present MillenniumDB: a novel graph database engine that is modular, persistent, and open source. MillenniumDB is based on a graph data model, which we call domain graphs, that provides a simple abstraction upon…

Surrogate modeling of body-driven fluid flows where immersed moving boundaries couple structural dynamics to chaotic, unsteady fluid phenomena remains a fundamental challenge for both computational physics and machine learning. We present…

Computational Physics · Physics 2026-04-16 Sushrut Kumar

We present Poseidon, a new anomaly based intrusion detection system. Poseidon is payload-based, and presents a two-tier architecture: the first stage consists of a Self-Organizing Map, while the second one is a modified PAYL system. Our…

Cryptography and Security · Computer Science 2007-05-23 Damiano Bolzoni , Emmanuele Zambon , Sandro Etalle , Pieter Hartel

The database community has long recognized the importance of graphical query interface to the usability of data management systems. Yet, relatively less has been done. We present Orion, a visual interface for querying ultra-heterogeneous…

Databases · Computer Science 2016-08-19 Nandish Jayaram , Rohit Bhoopalam , Chengkai Li , Vassilis Athitsos

At online retail platforms, detecting fraudulent accounts and transactions is crucial to improve customer experience, minimize loss, and avoid unauthorized transactions. Despite the variety of different models for deep learning on graphs,…

Machine Learning · Computer Science 2022-04-25 Susie Xi Rao , Clémence Lanfranchi , Shuai Zhang , Zhichao Han , Zitao Zhang , Wei Min , Mo Cheng , Yinan Shan , Yang Zhao , Ce Zhang

As graph analytics often involves compute-intensive operations, GPUs have been extensively used to accelerate the processing. However, in many applications such as social networks, cyber security, and fraud detection, their representative…

Data Structures and Algorithms · Computer Science 2018-06-28 Mo Sha , Yuchen Li , Bingsheng He , Kian-Lee Tan

Recursive query processing has experienced a recent resurgence, as a result of its use in many modern application domains, including data integration, graph analytics, security, program analysis, networking and decision making. Due to the…

Databases · Computer Science 2018-12-11 Zhiwei Fan , Jianqiao Zhu , Zuyu Zhang , Aws Albarghouthi , Paraschos Koutris , Jignesh Patel

Over-smoothing remains a major challenge in Graph Neural Networks (GNNs), where repeated message passing causes node representations to converge and lose discriminative power. To address this, we propose a novel node selection strategy…

Machine Learning · Computer Science 2025-05-29 Hyunsik Yun

Graph databases have garnered extensive attention and research due to their ability to manage relationships between entities efficiently. Today, many graph search services have been outsourced to a third-party server to facilitate storage…

Cryptography and Security · Computer Science 2025-03-14 Qiuhao Wang , Xu Yang , Yiwei Liu , Saiyu Qi , Hongguang Zhao , Ke Li , Yong Qi

Advances in voice-controlled assistants paved the way into the consumer market. For professional or industrial use, the capabilities of such assistants are too limited or too time-consuming to implement due to the higher complexity of data,…

Computation and Language · Computer Science 2020-07-28 Bekir Bayrak , Florian Giger , Christian Meurisch

Partitioned global address space (PGAS) is a parallel programming model for the development of applications on clusters. It provides a global address space partitioned among the cluster nodes, and is supported in programming languages like…

Logic in Computer Science · Computer Science 2013-07-26 Georgel Calin , Egor Derevenetc , Rupak Majumdar , Roland Meyer

Graphs are a ubiquitous data structure in diverse domains such as machine learning, social networks, and data mining. As real-world graphs continue to grow beyond the memory capacity of single machines, out-of-core graph processing systems…

Databases · Computer Science 2025-11-12 Dechuang Chen , Sibo Wang , Qintian Guo

Embedding large graphs in low dimensional spaces has recently attracted significant interest due to its wide applications such as graph visualization, link prediction and node classification. Existing methods focus on computing the…

Social and Information Networks · Computer Science 2018-05-30 Palash Goyal , Nitin Kamra , Xinran He , Yan Liu

Datalog-based languages are regaining popularity as a powerful abstraction for expressing recursive computations in domains such as program analysis and graph processing. However, existing systems often face a trade-off between efficiency…

Databases · Computer Science 2025-11-18 Hangdong Zhao , Zhenghong Yu , Srinag Rao , Simon Frisk , Zhiwei Fan , Paraschos Koutris

The Poisson-Fermi model is an extension of the classical Poisson-Boltzmann model to include the steric and correlation effects of ions and water treated as nonuniform spheres in aqueous solutions. Poisson-Boltzmann electrostatic…

Computational Physics · Physics 2018-07-04 Jen-Hao Chen , Ren-Chuen Chen , Jinn-Liang Liu
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