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Scalability issue plays a crucial role in productionizing modern recommender systems. Even lightweight architectures may suffer from high computational overload due to intermediate calculations, limiting their practicality in real-world…

信息检索 · 计算机科学 2024-12-03 Gleb Mezentsev , Danil Gusak , Ivan Oseledets , Evgeny Frolov

Learning from set-structured data is an essential problem with many applications in machine learning and computer vision. This paper focuses on non-parametric and data-independent learning from set-structured data using approximate nearest…

机器学习 · 计算机科学 2022-02-10 Yuzhe Lu , Xinran Liu , Andrea Soltoggio , Soheil Kolouri

Searchable Encryption (SE) is a technique that allows Cloud Service Providers (CSPs) to search over encrypted datasets without learning the content of queries and records. In recent years, many SE schemes have been proposed to protect…

密码学与安全 · 计算机科学 2019-09-27 Shujie Cui , Xiangfu Song , Muhammad Rizwan Asghar , Steven D Galbraith , Giovanni Russello

Due to the rising privacy demand in data mining, Homomorphic Encryption (HE) is receiving more and more attention recently for its capability to do computations over the encrypted field. By using the HE technique, it is possible to securely…

分布式、并行与集群计算 · 计算机科学 2020-06-20 Junyi Li , Heng Huang

Standard Adjacency Spectral Embedding (ASE) relies on a global low-rank assumption often incompatible with the sparse, transitive structure of real-world networks, causing local geometric features to be 'smeared'. To address this, we…

机器学习 · 统计学 2026-03-13 Hannah Sansford , Nick Whiteley , Patrick Rubin-Delanchy

Memristive devices present a promising foundation for next-generation information processing by combining memory and computation within a single physical substrate. This unique characteristic enables efficient, fast, and adaptive computing,…

神经与进化计算 · 计算机科学 2026-04-22 Coşku Can Horuz , Andrea Ceni , Claudio Gallicchio , Sebastian Otte

This paper presents a robust image encryption and key distribution framework that integrates an enhanced AES-128 algorithm with chaos theory and advanced steganographic techniques for dual-layer security. The encryption engine features a…

密码学与安全 · 计算机科学 2025-06-18 Md Rishadul Bayesh , Dabbrata Das , Md Ahadullah

In a dynamic retrieval system, documents must be ingested as they arrive, and be immediately findable by queries. Our purpose in this paper is to describe an index structure and processing regime that accommodates that requirement for…

信息检索 · 计算机科学 2023-01-12 Alistair Moffat , Joel Mackenzie

Homomorphic encryption (HE) is widely adopted in untrusted environments such as federated learning. A notable limitation of conventional single-key HE schemes is the stringent security assumption regarding collusion between the parameter…

密码学与安全 · 计算机科学 2023-12-29 Dongfang Zhao

This paper aims to go beyond resilience into the study of security and local-repairability for distributed storage systems (DSS). Security and local-repairability are both important as features of an efficient storage system, and this paper…

信息论 · 计算机科学 2016-11-17 Ankit Singh Rawat , O. Ozan Koyluoglu , Natalia Silberstein , Sriram Vishwanath

Long-term multi-agent systems inevitably generate vast amounts of trajectories and historical interactions, which makes efficient memory management essential for both performance and scalability. Existing methods typically depend on vector…

人工智能 · 计算机科学 2025-09-29 Haoran Xu , Jiacong Hu , Ke Zhang , Lei Yu , Yuxin Tang , Xinyuan Song , Yiqun Duan , Lynn Ai , Bill Shi

Locality-sensitive hashing (LSH) is a well-known solution for approximate nearest neighbor (ANN) search in high-dimensional spaces due to its robust theoretical guarantee on query accuracy. Traditional LSH-based methods mainly focus on…

数据库 · 计算机科学 2026-02-11 Jiuqi Wei , Botao Peng , Xiaodong Lee , Themis Palpanas

Motivated by emerging applications to the edge computing paradigm, we introduce a two-layer erasure-coded fault-tolerant distributed storage system offering atomic access for read and write operations. In edge computing, clients interact…

分布式、并行与集群计算 · 计算机科学 2017-06-01 Kishori M. Konwar , N. Prakash , Nancy Lynch , Muriel Medard

We present FreSh, a lock-free data series index that exhibits good performance (while being robust). FreSh is based on Refresh, which is a generic approach we have developed for supporting lock-freedom in an efficient way on top of any…

数据库 · 计算机科学 2023-10-19 Panagiota Fatourou , Eleftherios Kosmas , Themis Palpanas , George Paterakis

Byte-addressable persistent memory (PM) brings hash tables the potential of low latency, cheap persistence and instant recovery. The recent advent of Intel Optane DC Persistent Memory Modules (DCPMM) further accelerates this trend. Many new…

数据库 · 计算机科学 2020-10-30 Baotong Lu , Xiangpeng Hao , Tianzheng Wang , Eric Lo

Location-based services are getting more popular day by day. Finding nearby stores, proximity-based marketing, on-road service assistance, etc., are some of the services that use location-based services. In location-based services, user…

密码学与安全 · 计算机科学 2022-11-22 Santosh Kumar Upadhyaya , Srinivas Vivek

In this paper we investigate the amount of spatial context required for channel attention. To this end we study the popular squeeze-and-excite (SE) block which is a simple and lightweight channel attention mechanism. SE blocks and its…

机器学习 · 统计学 2021-07-06 Niv Vosco , Alon Shenkler , Mark Grobman

Selective image encryption is common in remote sensing systems because it protects sensitive regions of interest (ROI) while limiting computational cost. However, many selective designs enable cross-tile structural leakage under…

密码学与安全 · 计算机科学 2026-03-02 Jilei Sun , Dianhong Wu , Ying Su

Searches for signals at low signal-to-noise ratios frequently involve the Fast Fourier Transform (FFT). For high-throughput searches, we here consider FFT on the homogeneous mesh of Processing Elements (PEs) of a wafer-scale engine (WSE).…

信号处理 · 电气工程与系统科学 2024-01-12 Maurice H. P. M. van Putten , Leighton Wilson , Adam W. Lavely , Mark Hair

Maximal Clique Enumeration (MCE) is a fundamental graph mining problem, and is useful as a primitive in identifying dense structures in a graph. Due to the high computational cost of MCE, parallel methods are imperative for dealing with…

分布式、并行与集群计算 · 计算机科学 2020-01-31 Apurba Das , Seyed-Vahid Sanei-Mehri , Srikanta Tirthapura