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Attributed graph embedding, which learns vector representations from graph topology and node features, is a challenging task for graph analysis. Recently, methods based on graph convolutional networks (GCNs) have made great progress on this…

机器学习 · 计算机科学 2020-07-06 Ganqu Cui , Jie Zhou , Cheng Yang , Zhiyuan Liu

Graph classification, which aims to identify the category labels of graphs, plays a significant role in drug classification, toxicity detection, protein analysis etc. However, the limitation of scale of benchmark datasets makes it easy for…

社会与信息网络 · 计算机科学 2020-09-22 Jiajun Zhou , Jie Shen , Qi Xuan

In today's data-centric world, fast and effective compression of data is paramount. To measure success towards the second goal, Kempa and Prezza [STOC2018] introduce the string attractor, a combinatorial object unifying dictionary-based…

数据结构与算法 · 计算机科学 2024-07-23 Philip Whittington

Coded distributed computation has become common practice for performing gradient descent on large datasets to mitigate stragglers and other faults. This paper proposes a novel algorithm that encodes the partial derivatives themselves and…

机器学习 · 计算机科学 2022-06-22 Pedro Soto , Ilia Ilmer , Haibin Guan , Jun Li

Models of human motion commonly focus either on trajectory prediction or action classification but rarely both. The marked heterogeneity and intricate compositionality of human motion render each task vulnerable to the data degradation and…

计算机视觉与模式识别 · 计算机科学 2022-06-08 Anthony Bourached , Robert Gray , Xiaodong Guan , Ryan-Rhys Griffiths , Ashwani Jha , Parashkev Nachev

Variational Auto-Encoders (VAEs) have been widely applied for learning compact, low-dimensional latent representations of high-dimensional data. When the correlation structure among data points is available, previous work proposed…

机器学习 · 计算机科学 2019-12-20 Da Tang , Dawen Liang , Nicholas Ruozzi , Tony Jebara

Predictive coding is a message-passing framework initially developed to model information processing in the brain, and now also topic of research in machine learning due to some interesting properties. One of such properties is the natural…

机器学习 · 计算机科学 2022-12-12 Billy Byiringiro , Tommaso Salvatori , Thomas Lukasiewicz

Graph neural networks have become the default choice by practitioners for graph learning tasks such as graph classification and node classification. Nevertheless, popular graph neural network models still struggle to capture higher-order…

机器学习 · 计算机科学 2024-11-27 Davide Buffelli , Farzin Soleymani , Bastian Rieck

Graph structure expression plays a vital role in distinguishing various graphs. In this work, we propose a Structure-Sensitive Graph Dictionary Embedding (SS-GDE) framework to transform input graphs into the embedding space of a graph…

机器学习 · 计算机科学 2023-06-21 Guangbu Liu , Tong Zhang , Xudong Wang , Wenting Zhao , Chuanwei Zhou , Zhen Cui

Graph Neural Networks (GNNs) are a form of deep learning that enable a wide range of machine learning applications on graph-structured data. The learning of GNNs, however, is known to pose challenges for memory-constrained devices such as…

机器学习 · 计算机科学 2023-05-01 Jeroen Bollen , Jasper Steegmans , Jan Van den Bussche , Stijn Vansummeren

Learning from Text-Attributed Graphs (TAGs) has attracted significant attention due to its wide range of real-world applications. The rapid evolution of language models (LMs) has revolutionized the way we process textual data, which…

机器学习 · 计算机科学 2024-10-25 Rui Xue , Xipeng Shen , Ruozhou Yu , Xiaorui Liu

Computers and algorithms play an ever-increasing role in obtaining new results in graph theory. In this survey, we present a broad range of techniques used in computer-assisted graph theory, including the exhaustive generation of all…

组合数学 · 数学 2025-08-29 Jorik Jooken

String diagrams are an increasingly popular algebraic language for the analysis of graphical models of computations across different research fields. Whereas string diagrams have been thoroughly studied as semantic structures, much less…

范畴论 · 数学 2022-11-04 Paul Wilson , Fabio Zanasi

We propose `Dracula', a new framework for unsupervised feature selection from sequential data such as text. Dracula learns a dictionary of $n$-grams that efficiently compresses a given corpus and recursively compresses its own dictionary;…

机器学习 · 计算机科学 2016-05-04 Hristo S. Paskov , John C. Mitchell , Trevor J. Hastie

The paper proposes an improved error-resilient Lempel-Ziv'77 (LZ'77) algorithm employing an adaptive amount of parity bits for error protection. It is a modified version of error resilient algorithm LZRS'77, proposed recently, which uses a…

信息论 · 计算机科学 2008-04-21 Tomaz Korosec , Saso Tomazic

We propose a special-purpose class of compression algorithms for efficient compression of Prolog programs. It is a dictionary-based compression method, specially designed for the compression of Prolog code, and therefore we name it PCA…

编程语言 · 计算机科学 2007-05-23 Alin Suciu , Kalman Pusztai

We consider the class of conditional graph patterns (\emph{CGPs}) that allow user to query data graphs with complex patterns that contain negation and predicates. To overcome the prohibitive cost of subgraph isomorphism, we consider…

数据库 · 计算机科学 2022-07-27 Houari Mahfoud

A new incremental algorithm for data compression is presented. For a sequence of input symbols algorithm incrementally constructs a p-adic integer number as an output. Decoding process starts with less significant part of a p-adic integer…

数据结构与算法 · 计算机科学 2007-05-23 Anatoly Rodionov , Sergey Volkov

Graph-based retrieval-augmented generation (GraphRAG) systems construct knowledge graphs over document collections to support multi-hop reasoning. While prior work shows that GraphRAG responses may leak retrieved subgraphs, the feasibility…

人工智能 · 计算机科学 2026-04-21 Shuhua Yang , Jiahao Zhang , Yilong Wang , Dongwon Lee , Suhang Wang

As compared to a large spectrum of performance optimizations, relatively little effort has been dedicated to optimize other aspects of embedded applications such as memory space requirements, power, real-time predictability, and…

其他计算机科学 · 计算机科学 2011-11-09 O. Ozturk , H. Saputra , M. Kandemir , I. Kolcu