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Similarity search over chemical compound databases is a fundamental task in the discovery and design of novel drug-like molecules. Such databases often encode molecules as non-negative integer vectors, called molecular descriptors, which…

数据结构与算法 · 计算机科学 2017-08-11 Yasuo Tabei , Simon J. Puglisi

We start with a review of the pervasiveness of the nearest neighbor search problem and techniques used to solve it along with some experimental results. In the second chapter, we show reductions between two different classes of geo- metric…

计算几何 · 计算机科学 2015-07-14 Mark Saroufim

Drug-Target binding Affinity (DTA) prediction is essential for drug discovery. Despite the application of deep learning methods to DTA prediction, the achieved accuracy remain suboptimal. In this work, inspired by the recent success of…

生物大分子 · 定量生物学 2024-07-23 Qizhi Pei , Lijun Wu , Zhenyu He , Jinhua Zhu , Yingce Xia , Shufang Xie , Rui Yan

Toxicity prediction of chemical compounds is a grand challenge. Lately, it achieved significant progress in accuracy but using a huge set of features, implementing a complex blackbox technique such as a deep neural network, and exploiting…

机器学习 · 计算机科学 2019-01-29 Abdul Karim , Avinash Mishra , M A Hakim Newton , Abdul Sattar

In this paper we revisit the kernel density estimation problem: given a kernel $K(x, y)$ and a dataset of $n$ points in high dimensional Euclidean space, prepare a data structure that can quickly output, given a query $q$, a…

数据结构与算法 · 计算机科学 2020-11-16 Moses Charikar , Michael Kapralov , Navid Nouri , Paris Siminelakis

In order to address the scalability challenge within Neural Architecture Search (NAS), we speed up NAS training via dynamic hard example mining within a curriculum learning framework. By utilizing an autoencoder that enforces an image…

计算机视觉与模式识别 · 计算机科学 2025-06-25 Matt Poyser , Toby P. Breckon

Embeddings mapping high-dimensional discrete input to lower-dimensional continuous vector spaces have been widely adopted in machine learning applications as a way to capture domain semantics. Interviewing 13 embedding users across…

人机交互 · 计算机科学 2022-03-07 Angie Boggust , Brandon Carter , Arvind Satyanarayan

The traditional display of elements in the periodic table is convenient for the study of chemistry and physics. However, the atomic number alone is insufficient for training statistical machine learning models to describe and extract…

材料科学 · 物理学 2023-08-25 Anthony Onwuli , Ashish V. Hegde , Kevin Nguyen , Keith T. Butler , Aron Walsh

Due to their excellent drug-like and pharmacokinetic properties, small molecule drugs are widely used to treat various diseases, making them a critical component of drug discovery. In recent years, with the rapid development of deep…

机器学习 · 计算机科学 2025-05-15 Kun Li , Yida Xiong , Hongzhi Zhang , Xiantao Cai , Jia Wu , Bo Du , Wenbin Hu

We study the fundamental problem of approximate nearest neighbor search in $d$-dimensional Hamming space $\{0,1\}^d$. We study the complexity of the problem in the famous cell-probe model, a classic model for data structures. We consider…

数据结构与算法 · 计算机科学 2016-02-16 Mingmou Liu , Xiaoyin Pan , Yitong Yin

As the structural databases continue to expand, efficient methods are required to search similar structures of the query structure from the database. There are many previous works about comparing protein 3D structures and scanning the…

数据库 · 计算机科学 2011-02-16 Gook-Pil Roh , Seung-won Hwang , Byoung-Kee Yi

Feature embeddings are one of the most essential steps when training deep learning based Click-Through Rate prediction models, which map high-dimensional sparse features to dense embedding vectors. Classic human-crafted embedding size…

信息检索 · 计算机科学 2022-08-18 Tesi Xiao , Xia Xiao , Ming Chen , Youlong Chen

This paper demonstrates the utility of organized numerical representations of genes in research involving flat string gene formats (i.e., FASTA/FASTQ5). FASTA/FASTQ files have several current limitations, such as their large file sizes,…

基因组学 · 定量生物学 2023-08-11 Daniel H. Um , David A. Knowles , Gail E. Kaiser

Approximate nearest neighbor algorithms are used to speed up nearest neighbor search in a wide array of applications. However, current indexing methods feature several hyperparameters that need to be tuned to reach an acceptable…

数据结构与算法 · 计算机科学 2019-04-25 Elias Jääsaari , Ville Hyvönen , Teemu Roos

Different spatial objects that vary in their characteristics, such as molecular biology and geography, are presented in spatial areas. Methods to organize, manage, and maintain those objects in a structured manner are required. Data mining…

数据库 · 计算机科学 2013-03-11 Dr. Mohammed Otair

Protein similarity searches are a routine job for molecular biologists where a query sequence of amino acids needs to be compared and ranked against an ever-growing database of proteins. All available algorithms in this field can be grouped…

计算工程、金融与科学 · 计算机科学 2015-08-27 Akash Nag , Sunil Karforma

In this paper, we revisit the problem of indexing multi-dimensional data in memory for the efficient support of multi-dimensional range queries and nearest neighbor queries. This is a classic problem in main-memory databases, where there is…

数据库 · 计算机科学 2026-05-06 Achilleas Michalopoulos , Dimitrios Tsitsigkos , Nikos Mamoulis

Learned dense representations are a popular family of techniques for encoding queries and documents using high-dimensional embeddings, which enable retrieval by performing approximate k nearest-neighbors search (A-kNN). A popular technique…

DBSCAN is a well-known density-based clustering algorithm to discover arbitrary shape clusters. While conceptually simple in serial, the algorithm is challenging to efficiently parallelize on manycore GPU architectures. Common pitfalls,…

分布式、并行与集群计算 · 计算机科学 2023-06-30 Andrey Prokopenko , Damien Lebrun-Grandie , Daniel Arndt

Nearest-neighbor search dominates the asymptotic complexity of sampling-based motion planning algorithms and is often addressed with k-d tree data structures. While it is generally believed that the expected complexity of nearest-neighbor…

计算几何 · 计算机科学 2017-09-25 Valerio Varricchio , Brian Paden , Dmitry Yershov , Emilio Frazzoli