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Dynamic streams from news feeds, social media, sensor networks, and financial markets challenge static RAG frameworks. Full-scale indices incur high memory costs; periodic rebuilds introduce latency that undermines data freshness; naive…

信息检索 · 计算机科学 2025-08-11 Yuzhou Zhu

Hypersparse matrices are a powerful enabler for a variety of network, health, finance, and social applications. Hierarchical hypersparse GraphBLAS matrices enable rapid streaming updates while preserving algebraic analytic power and…

We propose a scalable and cost-efficient framework for deploying Graph-based Retrieval-Augmented Generation (GraphRAG) in enterprise environments. While GraphRAG has shown promise for multi- hop reasoning and structured retrieval, its…

人工智能 · 计算机科学 2025-12-19 Congmin Min , Sahil Bansal , Joyce Pan , Abbas Keshavarzi , Rhea Mathew , Amar Viswanathan Kannan

Graph representation learning (GRL) has emerged as an effective technique for modeling graph-structured data. When modeling heterogeneity and dynamics in real-world complex networks, GRL methods designed for complex heterogeneous temporal…

社会与信息网络 · 计算机科学 2026-05-19 Huan Liu , Pengfei Jiao , Mengzhou Gao , Chaochao Chen , Di Jin

Representation learning on text-attributed graphs (TAGs) integrates structural connectivity with rich textual semantics, enabling applications in diverse domains. Current methods largely rely on contrastive learning to maximize cross-modal…

图形学 · 计算机科学 2025-10-15 Heng Zhang , Tianyi Zhang , Yuling Shi , Xiaodong Gu , Yaomin Shen , Zijian Zhang , Yilei Yuan , Hao Zhang , Jin Huang

Graph Neural Networks (GNNs) have demonstrated significant success in learning from graph-structured data but often struggle on heterophilous graphs, where connected nodes differ in features or class labels. This limitation arises from…

机器学习 · 计算机科学 2025-09-30 Zhongtian Sun , Anoushka Harit , Alexandra Cristea , Christl A. Donnelly , Pietro Liò

When the focus is on the relationships or interactions between entities, graphs offer an intuitive model for many real-world data. Such graphs are usually large and change over time, thus, requiring models and strategies that explore their…

社会与信息网络 · 计算机科学 2024-02-07 Evangelia Tsoukanara , Georgia Koloniari , Evaggelia Pitoura , Peter Triantafillou

Graph generative models have been extensively studied in the data mining literature. While traditional techniques are based on generating structures that adhere to a pre-decided distribution, recent techniques have shifted towards learning…

机器学习 · 计算机科学 2020-04-09 Nikhil Goyal , Harsh Vardhan Jain , Sayan Ranu

In the digital era, users typically interact with diverse items across multiple domains (e.g., e-commerce, streaming platforms, and social networks), generating intricate heterogeneous interaction graphs. Leveraging multi-domain data can…

信息检索 · 计算机科学 2025-07-11 Hengyu Zhang , Chunxu Shen , Xiangguo Sun , Jie Tan , Yu Rong , Chengzhi Piao , Hong Cheng , Lingling Yi

Graph-based Retrieval-Augmented Generation (GraphRAG) frameworks face a trade-off between the comprehensiveness of global search and the efficiency of local search. Existing methods are often challenged by navigating large-scale…

信息检索 · 计算机科学 2026-01-30 Yuejie Li , Ke Yang , Tao Wang , Bolin Chen , Bowen Li , Chengjun Mao

As opposed to natural languages, source code understanding is influenced by grammatical relationships between tokens regardless of their identifier name. Graph representations of source code such as Abstract Syntax Tree (AST) can capture…

机器学习 · 计算机科学 2021-11-18 Junyan Cheng , Iordanis Fostiropoulos , Barry Boehm

Graphs are widely used to model relational data. As graphs are getting larger and larger in real-world scenarios, there is a trend to store and compute subgraphs in multiple local systems. For example, recently proposed \emph{subgraph…

机器学习 · 计算机科学 2024-01-30 Zaixi Zhang , Qingyong Hu , Yang Yu , Weibo Gao , Qi Liu

Heterogeneous graph neural networks (GNNs) have been successful in handling heterogeneous graphs. In existing heterogeneous GNNs, meta-path plays an essential role. However, recent work pointed out that simple homogeneous graph model…

机器学习 · 计算机科学 2024-12-17 Guanghui Zhu , Zhennan Zhu , Hongyang Chen , Chunfeng Yuan , Yihua Huang

The rapidly growing number of large network analysis problems has led to the emergence of many parallel and distributed graph processing systems---one survey in 2014 identified over 80. Since then, the landscape has evolved; some packages…

性能 · 计算机科学 2017-05-18 Samuel Pollard , Boyana Norris

Machine learning on graphs has made substantial progress across domains such as molecular property prediction and chip design. Yet benchmarking practices remain fragmented, often relying on narrow, task-specific datasets and inconsistent…

\textit{Graph Neural Network} (GNN) is a promising approach for analyzing graph-structured data that tactfully captures their dependency information via node-level message passing. It has achieved state-of-the-art performances in many…

机器学习 · 计算机科学 2021-05-05 Feng Shi , Ahren Yiqiao Jin , Song-Chun Zhu

Live video streaming has become a mainstay as a standard communication solution for several enterprises worldwide. To efficiently stream high-quality live video content to a large amount of offices, companies employ distributed video…

人工智能 · 计算机科学 2020-11-12 Stefanos Antaris , Dimitrios Rafailidis

Graphs face challenges when dealing with massive datasets. They are essential tools for modeling interconnected data and often become computationally expensive. Graph embedding techniques, on the other hand, provide an efficient approach.…

数据库 · 计算机科学 2024-12-16 Plácido A Souza Neto

The rapid growth of graph data poses significant challenges in storage, transmission, and particularly the training of graph neural networks (GNNs). To address these challenges, graph condensation (GC) has emerged as an innovative solution.…

机器学习 · 计算机科学 2025-01-28 Xinyi Gao , Junliang Yu , Tong Chen , Guanhua Ye , Wentao Zhang , Hongzhi Yin

Packet classification is a core function in software-defined networks, and learning-based methods have recently shown significant throughput gains on large-scale rulesets. However, existing learning-based approaches struggle with…

网络与互联网体系结构 · 计算机科学 2026-01-07 Zhengyu Liao , Shiyou Qian