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In this paper we regard languages and their acceptors - such as deterministic or weighted automata, transducers, or monoids - as functors from input categories that specify the type of the languages and of the machines to categories that…

计算机科学中的逻辑 · 计算机科学 2023-06-22 Thomas Colcombet , Daniela Petrişan

The decremented learning algorithms are required in machine learning, to prune redundant nodes and remove obsolete inline training samples. In this paper, an efficient decremented learning algorithm to prune redundant nodes is deduced from…

机器学习 · 计算机科学 2020-01-01 Hufei Zhu

We propose a selective encoding model to extend the sequence-to-sequence framework for abstractive sentence summarization. It consists of a sentence encoder, a selective gate network, and an attention equipped decoder. The sentence encoder…

计算与语言 · 计算机科学 2017-07-31 Qingyu Zhou , Nan Yang , Furu Wei , Ming Zhou

Distributed statistical inference has recently attracted enormous attention. Many existing work focuses on the averaging estimator. We propose a one-step approach to enhance a simple-averaging based distributed estimator. We derive the…

统计方法学 · 统计学 2015-11-11 Cheng Huang , Xiaoming Huo

Algorithms for dynamically maintaining minimum spanning trees (MSTs) have received much attention in both the parallel and sequential settings. While previous work has given optimal algorithms for dense graphs, all existing parallel…

数据结构与算法 · 计算机科学 2020-10-27 Daniel Anderson , Guy E. Blelloch , Kanat Tangwongsan

Extending semantic parsers to code-switched input has been a challenging problem, primarily due to a lack of supervised training data. In this work, we introduce CST5, a new data augmentation technique that finetunes a T5 model using a…

计算与语言 · 计算机科学 2022-11-15 Anmol Agarwal , Jigar Gupta , Rahul Goel , Shyam Upadhyay , Pankaj Joshi , Rengarajan Aravamudhan

We present a sample- and time-efficient differentially private algorithm for ordinary least squares, with error that depends linearly on the dimension and is independent of the condition number of $X^\top X$, where $X$ is the design matrix.…

机器学习 · 计算机科学 2024-04-25 Gavin Brown , Jonathan Hayase , Samuel Hopkins , Weihao Kong , Xiyang Liu , Sewoong Oh , Juan C. Perdomo , Adam Smith

We propose a novel stochastic optimization algorithm called STOchastic Recursive Momentum for Compositional (STORM-Compositional) optimization that minimizes the composition of expectations of two stochastic functions, the latter being an…

最优化与控制 · 数学 2020-06-09 Huizhuo Yuan , Wenqing Hu

The connection between languages defined by computational models and logic for languages is well-studied. Monadic second-order logic and finite automata are shown to closely correspond to each-other for the languages of strings, trees, and…

计算机科学中的逻辑 · 计算机科学 2014-07-01 Emmanuel Filiot , Shankara Narayanan Krishna , Ashutosh Trivedi

Building a spanning tree, minimum spanning tree (MST), and BFS tree in a distributed network are fundamental problems which are still not fully understood in terms of time and communication cost. x The first work to succeed in computing a…

分布式、并行与集群计算 · 计算机科学 2019-07-30 Ali Mashreghi , Valerie King

Recently, end-to-end automatic speech recognition has become the mainstream approach in both industry and academia. To optimize system performance in specific scenarios, the Weighted Finite-State Transducer (WFST) is extensively used to…

音频与语音处理 · 电气工程与系统科学 2025-01-08 Wei Zhang , Tian-Hao Zhang , Chao Luo , Hui Zhou , Chao Yang , Xinyuan Qian , Xu-Cheng Yin

Short text classification is a crucial and challenging aspect of Natural Language Processing. For this reason, there are numerous highly specialized short text classifiers. However, in recent short text research, State of the Art (SOTA)…

计算与语言 · 计算机科学 2023-08-14 Fabian Karl , Ansgar Scherp

The success of end-to-end speech-to-text translation (ST) is often achieved by utilizing source transcripts, e.g., by pre-training with automatic speech recognition (ASR) and machine translation (MT) tasks, or by introducing additional ASR…

计算与语言 · 计算机科学 2023-05-16 Qingkai Fang , Yang Feng

This chapter explores advancements in decoding strategies for large language models (LLMs), focusing on enhancing the Locally Typical Sampling (LTS) algorithm. Traditional decoding methods, such as top-k and nucleus sampling, often struggle…

计算与语言 · 计算机科学 2025-06-12 Jaydip Sen , Saptarshi Sengupta , Subhasis Dasgupta

The end-to-end architecture has made promising progress in speech translation (ST). However, the ST task is still challenging under low-resource conditions. Most ST models have shown unsatisfactory results, especially in the absence of word…

计算与语言 · 计算机科学 2022-03-31 Yao-Fei Cheng , Hung-Shin Lee , Hsin-Min Wang

The Nystr\"om method offers an effective way to obtain low-rank approximation of SPD matrices, and has been recently extended and analyzed to nonsymmetric matrices (leading to the generalized Nystr\"om method). It is a randomized,…

数值分析 · 数学 2024-04-24 Alberto Bucci , Leonardo Robol

Stochastic nested optimization, including stochastic compositional, min-max and bilevel optimization, is gaining popularity in many machine learning applications. While the three problems share the nested structure, existing works often…

机器学习 · 统计学 2021-06-28 Tianyi Chen , Yuejiao Sun , Wotao Yin

We present a simple randomized incremental algorithm for building compressed quadtrees. The resulting algorithm seems to be simpler than previously known algorithms for this task.

计算几何 · 计算机科学 2009-07-09 Sariel Har-Peled

This paper provides an introduction to the design of augmented data structures that offer an efficient representation of a mathematical sequence and fast sequential summation algorithms, which guarantee both logarithmic running time and…

数据结构与算法 · 计算机科学 2014-04-08 Vadim Stadnik

Spoken language translation (SLT) has become very important in an increasingly globalized world. Machine translation (MT) for automatic speech recognition (ASR) systems is a major challenge of great interest. This research investigates that…

计算与语言 · 计算机科学 2015-12-01 Agnieszka Wołk , Krzysztof Wołk , Krzysztof Marasek
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