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Advances in DNA sequencing technology have stimulated the development of algorithms and tools for processing very large collections of short strings (reads). Short-read alignment and assembly are among the most well-studied problems. Many…

基因组学 · 定量生物学 2014-01-30 Chi-Man Liu , Ruibang Luo , Tak-Wah Lam

Given a weighted bipartite graph $G = (L, R, E, w)$, the maximum weight matching (MWM) problem seeks to find a matching $M \subseteq E$ that maximizes the total weight $\sum_{e \in M} w(e)$. This paper presents a novel algorithm with a time…

数据结构与算法 · 计算机科学 2025-04-07 Shawxing Kwok

Model merging aims to build a multi-task learner by combining the parameters of individually fine-tuned models without additional training. While a straightforward approach is to average model parameters across tasks, this often results in…

机器学习 · 计算机科学 2025-04-04 Jiho Choi , Donggyun Kim , Chanhyuk Lee , Seunghoon Hong

Data-centric ML pipelines extend traditional machine learning (ML) pipelines -- of feature transformations and ML model training -- by outer loops for data cleaning, augmentation, and feature engineering to create high-quality input data.…

数据库 · 计算机科学 2025-04-16 Sebastian Baunsgaard , Matthias Boehm

Bitmap indexes must be compressed to reduce input/output costs and minimize CPU usage. To accelerate logical operations (AND, OR, XOR) over bitmaps, we use techniques based on run-length encoding (RLE), such as Word-Aligned Hybrid (WAH)…

数据库 · 计算机科学 2016-08-02 Daniel Lemire , Owen Kaser , Kamel Aouiche

This paper explores learned image compression based on traditional and learned discrete wavelet transform (DWT) architectures and learned entropy models for coding DWT subband coefficients. A learned DWT is obtained through the lifting…

图像与视频处理 · 电气工程与系统科学 2022-12-08 Ugur Berk Sahin , Fatih Kamisli

A standard format used for storing the output of high-throughput sequencing experiments is the FASTQ format. It comprises three main components: (i) headers, (ii) bases (nucleotide sequences), and (iii) quality scores. FASTQ files are…

数据结构与算法 · 计算机科学 2023-04-19 Veronica Guerrini , Felipe A. Louza , Giovanna Rosone

Constructing the Burrows-Wheeler transform (BWT) for long strings poses significant challenges regarding construction time and memory usage. We use a prefix of the suffix array to partition a long string into shorter substrings, thereby…

数据结构与算法 · 计算机科学 2025-05-15 Enno Adler , Stefan Böttcher , Rita Hartel

Fitting mixed models to complex survey data is a challenging problem. Most methods in the literature, including the most widely used one, require a close relationship between the model structure and the survey design. In this paper we…

统计方法学 · 统计学 2023-11-23 Thomas Lumley , Xudong Huang

The compression of highly repetitive strings (i.e., strings with many repetitions) has been a central research topic in string processing, and quite a few compression methods for these strings have been proposed thus far. Among them, an…

数据结构与算法 · 计算机科学 2022-02-17 Takaaki Nishimoto , Shunsuke Kanda , Yasuo Tabei

Biomedical entity linking aims to map biomedical mentions, such as diseases and drugs, to standard entities in a given knowledge base. The specific challenge in this context is that the same biomedical entity can have a wide range of names,…

计算与语言 · 计算机科学 2021-05-25 Lihu Chen , Gaël Varoquaux , Fabian M. Suchanek

Multivariate polynomials arise in many different disciplines. Representing such a polynomial as a vector of univariate polynomials can offer useful insight, as well as more intuitive understanding. For this, techniques based on tensor…

最优化与控制 · 数学 2016-01-29 Gabriel Hollander , Philippe Dreesen , Mariya Ishteva , Johan Schoukens

In this paper, we consider the problem of compressing a trie while supporting the powerful \emph{locate} queries: to return the pre-order identifiers of all nodes reached by a path labeled with a given query pattern. Our result builds on…

数据结构与算法 · 计算机科学 2020-12-18 Nicola Prezza

We introduce a simple yet effective method of integrating contextual embeddings with commonsense graph embeddings, dubbed BERT Infused Graphs: Matching Over Other embeDdings. First, we introduce a preprocessing method to improve the speed…

计算与语言 · 计算机科学 2019-10-18 Jeff Da

Directional interpolation is a fast and efficient compression technique for high-frequency Helmholtz boundary integral equations, but it requires a very large amount of storage in its original form. Algebraic recompression can significantly…

数值分析 · 数学 2023-10-23 Steffen Börm , Janne Henningsen

The Lempel-Ziv factorization (LZ77) and the Run-Length encoded Burrows-Wheeler Transform (RLBWT) are two important tools in text compression and indexing, being their sizes $z$ and $r$ closely related to the amount of text…

数据结构与算法 · 计算机科学 2017-02-07 Alberto Policriti , Nicola Prezza

Bearing data compression is vital to manage the large volumes of data generated during condition monitoring. In this paper, a novel asymmetrical autoencoder with a lifting wavelet transform (LWT) layer is developed to compress bearing…

信号处理 · 电气工程与系统科学 2025-01-22 Xin Zhu , Ahmet Enis Cetin

Finding low-weight multiples of a binary polynomial is a difficult problem arising in the context of stream ciphers cryptanalysis. The classical algorithm to solve this problem is based on a time memory trade-off. We will present an…

密码学与安全 · 计算机科学 2007-07-12 Frédéric Didier , Yann Laigle-Chapuy

Inverted indexes are vital in providing fast key-word-based search. For every term in the document collection, a list of identifiers of documents in which the term appears is stored, along with auxiliary information such as term frequency,…

信息检索 · 计算机科学 2019-01-30 Harrie Oosterhuis , J. Shane Culpepper , Maarten de Rijke

This paper proposes a clustering and merging approach for the Poisson multi-Bernoulli mixture (PMBM) filter to lower its computational complexity and make it suitable for multiple target tracking with a high number of targets. We define a…

信号处理 · 电气工程与系统科学 2024-09-16 Marco Fontana , Ángel F. García-Fernández , Simon Maskell