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Numerous retrieval models, including sparse, dense and llm-based methods, have demonstrated remarkable performance in predicting the relevance between queries and corpora. However, the preliminary effectiveness analysis experiments indicate…

Information Retrieval · Computer Science 2024-12-17 Tian-Yi Che , Xian-Ling Mao , Chun Xu , Cheng-Xin Xin , Heng-Da Xu , Jin-Yu Liu , Heyan Huang

Feature selection is an important tool to deal with high dimensional data. In unsupervised case, many popular algorithms aim at maintaining the structure of the original data. In this paper, we propose a simple and effective feature…

Machine Learning · Statistics 2020-04-06 Xiaoyun Li , Chengxi Wu , Ping Li

The recurrent neural network has been greatly developed for effectively solving time-varying problems corresponding to complex environments. However, limited by the way of centralized processing, the model performance is greatly affected by…

Artificial Intelligence · Computer Science 2023-06-29 Zhihao Hao , Guancheng Wang , Chunwei Tian , Bob Zhang

Tree-based algorithms such as random forests and gradient boosted trees continue to be among the most popular and powerful machine learning models used across multiple disciplines. The conventional wisdom of estimating the impact of a…

Machine Learning · Statistics 2022-01-03 Markus Loecher , Qi Wu

The rapidly growing size of RDF graphs in recent years necessitates distributed storage and parallel processing strategies. To obtain efficient query processing using computer clusters a wide variety of different approaches have been…

Databases · Computer Science 2018-02-19 Matteo Cossu , Michael Färber , Georg Lausen

A model-based collaborative filtering (CF) approach utilizing fast adaptive randomized singular value decomposition (SVD) is proposed for the matrix completion problem in recommender system. Firstly, a fast adaptive PCA frameworkis…

Machine Learning · Computer Science 2025-04-08 Xiangyun Ding , Wenjian Yu , Yuyang Xie , Shenghua Liu

We develop a diagrammatic technique to represent the multi-point cumulative probability density function (CPDF) of mass fluctuations in terms of the statistical properties of individual collapsed objects and relate this to other statistical…

Astrophysics · Physics 2009-10-31 Dipak Munshi , Peter Coles , Adrian L. Melott

Asynchronous Time Series is a multivariate time series where all the channels are observed asynchronously-independently, making the time series extremely sparse when aligning them. We often observe this effect in applications with complex…

Machine Learning · Computer Science 2022-08-25 Vijaya Krishna Yalavarthi , Johannes Burchert , Lars Schmidt-Thieme

A key feature of federated learning (FL) is to preserve the data privacy of end users. However, there still exist potential privacy leakage in exchanging gradients under FL. As a result, recent research often explores the differential…

Cryptography and Security · Computer Science 2024-03-20 Yuntao Wang , Zhou Su , Yanghe Pan , Tom H Luan , Ruidong Li , Shui Yu

This paper studies inference acceleration using distributed convolutional neural networks (CNNs) in collaborative edge computing network. To avoid inference accuracy loss in inference task partitioning, we propose receptive field-based…

Distributed, Parallel, and Cluster Computing · Computer Science 2022-07-26 Nan Li , Alexandros Iosifidis , Qi Zhang

With the explosive increase of big data in industry and academic fields, it is necessary to apply large-scale data processing systems to analysis Big Data. Arguably, Spark is state of the art in large-scale data computing systems nowadays,…

Distributed, Parallel, and Cluster Computing · Computer Science 2020-12-17 Shanjiang Tang , Bingsheng He , Ce Yu , Yusen Li , Kun Li

Federated Learning (FL) as a promising distributed machine learning paradigm has been widely adopted in Artificial Intelligence of Things (AIoT) applications. However, the efficiency and inference capability of FL is seriously limited due…

Machine Learning · Computer Science 2024-07-18 Zeke Xia , Ming Hu , Dengke Yan , Xiaofei Xie , Tianlin Li , Anran Li , Junlong Zhou , Mingsong Chen

Distributed algorithms for solving coupled semidefinite programs (SDPs) commonly require many iterations to converge. They also put high computational demand on the computational agents. In this paper we show that in case the coupled…

Optimization and Control · Mathematics 2015-04-30 Sina Khoshfetrat Pakazad , Anders Hansson , Martin S. Andersen , Anders Rantzer

Giving or recommending appropriate content based on the quality of experience is the most important and challenging issue in recommender systems. As collaborative filtering (CF) is one of the most prominent and popular techniques used for…

Information Retrieval · Computer Science 2019-05-07 Cong Tran , Jang-Young Kim , Won-Yong Shin , Sang-Wook Kim

Cloud computing has demonstrated that processing very large datasets over commodity clusters can be done simply given the right programming model and infrastructure. In this paper, we describe the design and implementation of the Sector…

Distributed, Parallel, and Cluster Computing · Computer Science 2009-01-17 Yunhong Gu , Robert L Grossman

Based on the maximum likelihood estimation principle, we derive a collaborative estimation framework that fuses several different estimators and yields a better estimate. Applying it to compressive sensing (CS), we propose a collaborative…

Information Theory · Computer Science 2018-04-20 Zhihui Zhu , Gang Li , Jiajun Ding , Qiuwei Li , Xiongxiong He

Many of the traditional recommendation algorithms are designed based on the fundamental idea of mining or learning correlative patterns from data to estimate the user-item correlative preference. However, pure correlative learning may lead…

Information Retrieval · Computer Science 2023-08-15 Shuyuan Xu , Yingqiang Ge , Yunqi Li , Zuohui Fu , Xu Chen , Yongfeng Zhang

Federated Edge Learning (FEEL) emerges as a pioneering distributed machine learning paradigm for the 6G Hyper-Connectivity, harnessing data from the Internet of Things (IoT) devices while upholding data privacy. However, current FEEL…

Machine Learning · Computer Science 2024-12-10 Gang Hu , Yinglei Teng , Nan Wang , Zhu Han

We address the problem of answering queries over a distributed information system, storing objects indexed by terms organized in a taxonomy. The taxonomy consists of subsumption relationships between negation-free DNF formulas on terms and…

Distributed, Parallel, and Cluster Computing · Computer Science 2011-09-13 Carlo Meghini , Yannis Tzitzikas , Veronica Coltella , Anastasia Analyti

Distributed File Systems (DFS) have emerged as sophisticated solutions for efficient file storage and management across interconnected computer nodes. The main objective of DFS is to achieve flexible, scalable, and resilient file storage…

Distributed, Parallel, and Cluster Computing · Computer Science 2024-04-09 Xueting Pan , Ziqian Luo , Lisang Zhou
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