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Symbolic regression (SR) searches for parametric models that accurately fit a dataset, prioritizing simplicity and interpretability. Despite this secondary objective, studies point out that the models are often overly complex due to…

神经与进化计算 · 计算机科学 2024-04-10 Guilherme Seidyo Imai Aldeia , Fabricio Olivetti de Franca , William G. La Cava

Humans learn from the occurrence of events in a different place and time to predict similar trajectories of events. We define Loosely Decoupled Timeseries (LDT) phenomena as two or more events that could happen in different places and…

机器学习 · 计算机科学 2022-08-29 Christian Manasseh , Razvan Veliche , Jared Bennett , Hamilton Clouse

Approximate Nearest Neighbor Search (ANNS) is a fundamental algorithmic problem, with numerous applications in many areas of computer science. Locality-sensitive hashing (LSH) is one of the most popular solution approaches for ANNS. A…

数据库 · 计算机科学 2021-03-11 Huayi Wang , Jingfan Meng , Long Gong , Jun Xu , Mitsunori Ogihara

The adoption of an appropriate approximate similarity search method is an essential prereq-uisite for developing a fast and efficient CBIR system, especially when dealing with large amount ofdata. In this study we implement a web image…

计算机视觉与模式识别 · 计算机科学 2021-05-05 Alessio Schiavo , Filippo Minutella , Mattia Daole , Marsha Gomez Gomez

Similarity search is the task of retrieving data items that are similar to a given query. In this paper, we introduce the time-sensitive notion of similarity search over endless data-streams (SSDS), which takes into account data quality and…

信息检索 · 计算机科学 2017-08-08 Naama Kraus , David Carmel , Idit Keidar

We provide improved parallel approximation algorithms for the important class of packing and covering linear programs. In particular, we present new parallel $\epsilon$-approximate packing and covering solvers which run in…

数据结构与算法 · 计算机科学 2015-11-23 Di Wang , Michael Mahoney , Nishanth Mohan , Satish Rao

Extracting informative image features and learning effective approximate hashing functions are two crucial steps in image retrieval . Conventional methods often study these two steps separately, e.g., learning hash functions from a…

计算机视觉与模式识别 · 计算机科学 2015-10-28 Ruimao Zhang , Liang Lin , Rui Zhang , Wangmeng Zuo , Lei Zhang

Supervised hashing aims to map the original features to compact binary codes that are able to preserve label based similarity in the Hamming space. Non-linear hash functions have demonstrated the advantage over linear ones due to their…

计算机视觉与模式识别 · 计算机科学 2016-11-17 Guosheng Lin , Chunhua Shen , Qinfeng Shi , Anton van den Hengel , David Suter

Semantic segmentation of Very High Resolution (VHR) remote sensing images is a fundamental task for many applications. However, large variations in the scales of objects in those VHR images pose a challenge for performing accurate semantic…

计算机视觉与模式识别 · 计算机科学 2023-05-02 Yuanzhi Cai , Lei Fan , Yuan Fang

Similarity joins are a fundamental database operation. Given data sets S and R, the goal of a similarity join is to find all points x in S and y in R with distance at most r. Recent research has investigated how locality-sensitive hashing…

数据结构与算法 · 计算机科学 2018-04-17 Samuel McCauley , Francesco Silvestri

Recognizing subtle historical patterns is central to modeling and forecasting problems in time series analysis. Here we introduce and develop a new approach to quantify deviations in the underlying hidden generators of observed data…

机器学习 · 统计学 2019-10-09 Yi Huang , Ishanu Chattopadhyay

We show the existence of a Locality-Sensitive Hashing (LSH) family for the angular distance that yields an approximate Near Neighbor Search algorithm with the asymptotically optimal running time exponent. Unlike earlier algorithms with this…

数据结构与算法 · 计算机科学 2015-09-10 Alexandr Andoni , Piotr Indyk , Thijs Laarhoven , Ilya Razenshteyn , Ludwig Schmidt

This paper illustrates locality sensitive hasing (LSH) models for the identification and removal of nearly redundant data in a text dataset. To evaluate the different models, we create an artificial dataset for data deduplication using…

计算与语言 · 计算机科学 2021-12-23 Juan Ciro , Daniel Galvez , Tim Schlippe , David Kanter

An efficient algorithm for recurrent neural network training is presented. The approach increases the training speed for tasks where a length of the input sequence may vary significantly. The proposed approach is based on the optimal batch…

机器学习 · 计算机科学 2017-08-21 Viacheslav Khomenko , Oleg Shyshkov , Olga Radyvonenko , Kostiantyn Bokhan

The revolutionary capabilities of Large Language Models (LLMs) are attracting rapidly growing popularity and leading to soaring user requests to inference serving systems. Caching techniques, which leverage data reuse to reduce computation,…

计算与语言 · 计算机科学 2025-07-15 Longwei Zou , Yan Liu , Jiamu Kang , Tingfeng Liu , Jiangang Kong , Yangdong Deng

This paper introduces "Multi-Level Spherical LSH": parameter-free, a multi-level, data-dependant Locality Sensitive Hashing data structure for solving the Approximate Near Neighbors Problem (ANN). This data structure uses a modified version…

数据结构与算法 · 计算机科学 2017-09-19 Teresa Nicole Brooks , Rania Almajalid

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

Locality-sensitive hashing~[Indyk,Motwani'98] is a classical data structure for approximate nearest neighbor search. It allows, after a close to linear time preprocessing of the input dataset, to find an approximately nearest neighbor of…

数据结构与算法 · 计算机科学 2024-06-18 Michael Kapralov , Mikhail Makarov , Christian Sohler

Large scale agglomerative clustering is hindered by computational burdens. We propose a novel scheme where exact inter-instance distance calculation is replaced by the Hamming distance between Kernelized Locality-Sensitive Hashing (KLSH)…

机器学习 · 计算机科学 2013-01-17 Boyi Xie , Shuheng Zheng

Given a binary executable without source code, it is difficult to determine what each function in the binary does by reverse engineering it, and even harder without prior experience and context. In this paper, we performed a comparison of…

密码学与安全 · 计算机科学 2021-12-13 Haoxi Tan