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Approximate Nearest Neighbor Search (ANNS) is a fundamental problem in many areas of machine learning and data mining. During the past decade, numerous hashing algorithms are proposed to solve this problem. Every proposed algorithm claims…

计算机视觉与模式识别 · 计算机科学 2019-06-20 Deng Cai

Similarity graphs are an active research direction for the nearest neighbor search (NNS) problem. New algorithms for similarity graph construction are continuously being proposed and analyzed by both theoreticians and practitioners.…

机器学习 · 计算机科学 2020-02-14 Dmitry Baranchuk , Artem Babenko

Hyperspectral image (HSI) denoising is an essential procedure for HSI applications. Unfortunately, the existing Transformer-based methods mainly focus on non-local modeling, neglecting the importance of locality in image denoising.…

图像与视频处理 · 电气工程与系统科学 2024-08-05 Hao Liang , Chengjie , Kun Li , Xin Tian

Crossbar architecture based devices have been widely adopted in neural network accelerators by taking advantage of the high efficiency on vector-matrix multiplication (VMM) operations. However, in the case of convolutional neural networks…

计算机视觉与模式识别 · 计算机科学 2018-12-07 Ling Liang , Lei Deng , Yueling Zeng , Xing Hu , Yu Ji , Xin Ma , Guoqi Li , Yuan Xie

We consider a variety of NP-Complete network connectivity problems. We introduce a novel dual-based approach to approximating network design problems with cut-based linear programming relaxations. This approach gives a $3/2$-approximation…

数据结构与算法 · 计算机科学 2017-07-24 Benjamin Grimmer

Embedding image features into a binary Hamming space can improve both the speed and accuracy of large-scale query-by-example image retrieval systems. Supervised hashing aims to map the original features to compact binary codes in a manner…

机器学习 · 计算机科学 2016-11-17 Guosheng Lin , Chunhua Shen , Anton van den Hengel

Existing heterogeneous graph neural network algorithms (HGNNs) mostly rely on meta-paths to capture the rich semantic information contained in heterogeneous graphs (also known as heterogeneous information networks (HINs)), but most of these…

机器学习 · 计算机科学 2024-06-03 Yufei Zhao , Shiduo Wang , Hua Duan

Dynamic graph learning (DGL) aims to learn informative and temporally-evolving node embeddings to support downstream tasks such as link prediction. A fundamental challenge in DGL lies in effectively modeling both the temporal dynamics and…

社会与信息网络 · 计算机科学 2025-06-10 Ling Wang

Sequences of group interactions, such as emails, online discussions, and co-authorships, are ubiquitous; and they are naturally represented as a stream of hyperedges. Despite their broad potential applications, anomaly detection in…

社会与信息网络 · 计算机科学 2022-10-18 Geon Lee , Minyoung Choe , Kijung Shin

Nearest neighbor (NN) search is inherently computationally expensive in high-dimensional spaces due to the curse of dimensionality. As a well-known solution, locality-sensitive hashing (LSH) is able to answer c-approximate NN (c-ANN)…

数据库 · 计算机科学 2021-07-13 Bolong Zheng , Xi Zhao , Lianggui Weng , Nguyen Quoc Viet Hung , Hang Liu , Christian S. Jensen

The Hierarchical Inference (HI) paradigm employs a tiered processing: the inference from simple data samples are accepted at the end device, while complex data samples are offloaded to the central servers. HI has recently emerged as an…

分布式、并行与集群计算 · 计算机科学 2024-06-17 Adarsh Prasad Behera , Roberto Morabito , Joerg Widmer , Jaya Prakash Champati

Spiking Neural Networks (SNNs) have emerged as a promising substitute for Artificial Neural Networks (ANNs) due to their advantages of fast inference and low power consumption. However, the lack of efficient training algorithms has hindered…

神经与进化计算 · 计算机科学 2025-03-06 Tong Bu , Maohua Li , Zhaofei Yu

Traditional network intrusion detection approaches encounter feasibility and sustainability issues to combat modern, sophisticated, and unpredictable security attacks. Deep neural networks (DNN) have been successfully applied for intrusion…

In this paper, we propose an interior-point method for linearly constrained optimization problems (possibly nonconvex). The method - which we call the Hessian barrier algorithm (HBA) - combines a forward Euler discretization of Hessian…

最优化与控制 · 数学 2023-09-14 Immanuel M. Bomze , Panayotis Mertikopoulos , Werner Schachinger , Mathias Staudigl

Branch and bound algorithms have to cope with several additional difficulties in the multi-objective case. Not only the bounding procedure is considerably weaker, but also the handling of upper and lower bound sets requires much more…

最优化与控制 · 数学 2023-11-13 Julius Bauß , Michael Stiglmayr

Calculation of near-neighbor interactions among high dimensional, irregularly distributed data points is a fundamental task to many graph-based or kernel-based machine learning algorithms and applications. Such calculations, involving…

Neural Architecture Search has achieved state-of-the-art performance in a variety of tasks, out-performing human-designed networks. However, many assumptions, that require human definition, related with the problems being solved or the…

机器学习 · 计算机科学 2020-08-03 Vasco Lopes , Luís A. Alexandre

In this report paper we first present a report of the Advanced Machine Learning Course Project on the provided data set and then present a novel heuristic algorithm for exact Bayesian network (BN) structure discovery that uses decomposable…

人工智能 · 计算机科学 2014-11-26 Amir Arsalan Soltani

In many modern data sets, High dimension low sample size (HDLSS) data is prevalent in many fields of studies. There has been an increased focus recently on using machine learning and statistical methods to mine valuable information out of…

最优化与控制 · 数学 2023-05-23 Srivathsan Amruth , Xin Yee Lam

Search and inference are two main strategies for optimally solving Distributed Constraint Optimization Problems (DCOPs). Recently, several algorithms were proposed to combine their advantages. Unfortunately, such algorithms only use an…

多智能体系统 · 计算机科学 2019-12-23 Dingding Chen , Yanchen Deng , Ziyu Chen , Wenxing Zhang , Zhongshi He