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Uniform sampling and approximate counting are fundamental primitives for modern database applications, ranging from query optimization to approximate query processing. While recent breakthroughs have established optimal sampling and…

数据库 · 计算机科学 2026-05-13 Xiao Hu , Jinchao Huang

We present formalized proofs verifying that the first-order unification algorithm defined over lists of satisfiable constraints generates a most general unifier (MGU), which also happens to be idempotent. All of our proofs have been…

计算机科学中的逻辑 · 计算机科学 2010-12-23 Sunil Kothari , James Caldwell

We propose the use of mixing strategies to accelerate the convergence of the common iterative algorithms utilized in Quantum Optimal Control Theory (QOCT). We show how the non-linear equations of QOCT can be viewed as a "fixed-point"…

计算物理 · 物理学 2009-03-31 Alberto Castro , E. K. U. Gross

The randomized linear combination of unitaries (LCU) method with many applications to early fault-tolerant quantum computing algorithms has been proposed. This quantum algorithm computes the same expectation values as the original, fully…

量子物理 · 物理学 2026-02-16 Kaito Wada , Hiroyuki Harada , Yasunari Suzuki , Yuuki Tokunaga , Naoki Yamamoto , Suguru Endo

The truncated singular value decomposition may be used to find the solution of linear discrete ill-posed problems in conjunction with Tikhonov regularization and requires the estimation of a regularization parameter that balances between…

数值分析 · 数学 2022-08-16 Rosemary A. Renaut , Anthony W. Helmstetter , Saeed Vatankhah

In this paper, we consider networks with topologies described by some connected undirected graph ${\mathcal{G}}=(V, E)$ and with some agents (fusion centers) equipped with processing power and local peer-to-peer communication, and…

最优化与控制 · 数学 2021-12-07 Nazar Emirov , Guohui Song , Qiyu Sun

Closed queuing networks with finite capacity buffers and skip-over policies are fundamental models in the performance evaluation of computer and communication systems. This technical report presents the details of computational algorithms…

性能 · 计算机科学 2024-09-13 Gianfranco Balbo , Andrea Marin , Diletta Olliaro , Matteo Sereno

We propose a comparative performance evaluation of security protocols. The novelty of our approach lies in the use of a polynomial mathematical model that captures the performance of classes of cryptographic algorithms instead of capturing…

密码学与安全 · 计算机科学 2009-10-21 Bela Genge , Piroska Haller

This paper introduces a post-training quantization~(PTQ) method achieving highly efficient Convolutional Neural Network~ (CNN) quantization with high performance. Previous PTQ methods usually reduce compression error via performing…

计算机视觉与模式识别 · 计算机科学 2022-01-19 Chen Lin , Zheyang Li , Bo Peng , Haoji Hu , Wenming Tan , Ye Ren , Shiliang Pu

Unified models aim to support both understanding and generation by encoding images into discrete tokens and processing them alongside text within a single autoregressive framework. This unified design offers architectural simplicity and…

计算机视觉与模式识别 · 计算机科学 2026-03-13 Ziyao Wang , Chen Chen , Jingtao Li , Weiming Zhuang , Jiabo Huang , Ang Li , Lingjuan Lyu

We conduct an exhaustive survey of adaptive selection of operators (AOS) in Evolutionary Algorithms (EAs). We simplified the AOS structure by adding more components to the framework to built upon the existing categorisation of AOS methods.…

神经与进化计算 · 计算机科学 2020-05-13 Mudita Sharma , Manuel Lopez-Ibanez , Dimitar Kazakov

Quantum algorithms have the potential to provide exponential speedups over some of the best known classical algorithms. These speedups may enable quantum devices to solve currently intractable problems such as those in the fields of…

量子物理 · 物理学 2018-12-13 Ciarán Ryan-Anderson

Subword tokenization methods, such as Byte-Pair Encoding (BPE), significantly impact the performance and efficiency of large language models (LLMs). The standard approach involves training a general-purpose tokenizer that uniformly…

计算与语言 · 计算机科学 2026-01-30 Vijini Liyanage , François Yvon

Order statistics provide an intuition for combining multiple lists of scores over a common index set. This intuition is particularly valuable when the lists to be combined cannot be directly compared in a sensible way. We describe here the…

机器学习 · 计算机科学 2020-06-19 Arvind Thiagarajan

Heterogeneous collaborative computing with NPU and CPU has received widespread attention due to its substantial performance benefits. To ensure data confidentiality and integrity during computing, Trusted Execution Environments (TEE) is…

密码学与安全 · 计算机科学 2024-07-15 Husheng Han , Xinyao Zheng , Yuanbo Wen , Yifan Hao , Erhu Feng , Ling Liang , Jianan Mu , Xiaqing Li , Tianyun Ma , Pengwei Jin , Xinkai Song , Zidong Du , Qi Guo , Xing Hu

Propositional satisfiability (SAT) solvers, which typically operate using conjunctive normal form (CNF), have been successfully applied in many domains. However, in some application areas such as circuit verification, bounded model…

计算机科学中的逻辑 · 计算机科学 2013-11-19 Tero Laitinen , Tommi Junttila , Ilkka Niemelä

Sparse learning has recently received increasing attention in many areas including machine learning, statistics, and applied mathematics. The mixed-norm regularization based on the l1q norm with q>1 is attractive in many applications of…

机器学习 · 计算机科学 2013-07-17 Jie Wang , Jun Liu , Jieping Ye

We study distributed composite optimization over networks: agents minimize a sum of smooth (strongly) convex functions, the agents' sum-utility, plus a nonsmooth (extended-valued) convex one. We propose a general unified algorithmic…

最优化与控制 · 数学 2021-08-04 Jinming Xu , Ye Tian , Ying Sun , Gesualdo Scutari

We propose a new paradigm for universal information extraction (IE) that is compatible with any schema format and applicable to a list of IE tasks, such as named entity recognition, relation extraction, event extraction and sentiment…

计算与语言 · 计算机科学 2023-05-23 Ping Yang , Junyu Lu , Ruyi Gan , Junjie Wang , Yuxiang Zhang , Jiaxing Zhang , Pingjian Zhang

Union-Find (or Disjoint-Set Union) is one of the fundamental problems in computer science; it has been well-studied from both theoretical and practical perspectives in the sequential case. Recently, there has been mounting interest in…

数据结构与算法 · 计算机科学 2019-11-18 Dan Alistarh , Alexander Fedorov , Nikita Koval