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Log anomaly detection using traditional rule based or deep learning based methods is often challenging due to the large volume and highly complex nature of log sequence. So effective way of detection of anomalous sequence of logs is crucial…

机器学习 · 计算机科学 2025-07-16 Isaiah Thompson Ocansey , Ritwik Bhattacharya , Tanmay Sen

Canonical Correlation Analysis (CCA) is a widely used statistical tool with both well established theory and favorable performance for a wide range of machine learning problems. However, computing CCA for huge datasets can be very slow…

机器学习 · 统计学 2014-12-31 Yichao Lu , Dean P. Foster

Cardinality estimation (CE) plays a crucial role in many database-related tasks such as query generation, cost estimation, and join ordering. Lately, we have witnessed the emergence of numerous learned CE models. However, no single CE model…

数据库 · 计算机科学 2024-09-25 Jintao Zhang , Chao Zhang , Guoliang Li , Chengliang Chai

Constraint-based applications attempt to identify a solution that meets all defined user requirements. If the requirements are inconsistent with the underlying constraint set, algorithms that compute diagnoses for inconsistent constraints…

Edge computing is a fast-growing and much needed technology in healthcare. The problem of implementing artificial intelligence on edge devices is the complexity and high resource intensity of the most known neural network data analysis…

机器学习 · 计算机科学 2021-09-28 Andrei Velichko

In this paper, we introduce complexity-aware planning for finite-horizon deterministic finite automata with rewards as outputs, based on Kolmogorov complexity. Kolmogorov complexity is considered since it can detect computational…

系统与控制 · 电气工程与系统科学 2021-09-23 Elis Stefansson , Karl H. Johansson

Risk-limiting audits (RLAs) can provide routine, affirmative evidence that reported election outcomes are correct by checking a random sample of cast ballots. An efficient RLA requires checking relatively few ballots. Here we construct…

应用统计 · 统计学 2024-10-16 Jacob Spertus

In many classification tasks there is a requirement of monotonicity. Concretely, if all else remains constant, increasing (resp. decreasing) the value of one or more features must not decrease (resp. increase) the value of the prediction.…

机器学习 · 计算机科学 2021-06-02 Joao Marques-Silva , Thomas Gerspacher , Martin Cooper , Alexey Ignatiev , Nina Narodytska

GraphRAG integrates (knowledge) graphs with large language models (LLMs) to improve reasoning accuracy and contextual relevance. Despite its promising applications and strong relevance to multiple research communities, such as databases and…

人工智能 · 计算机科学 2025-08-20 Yukun Cao , Zengyi Gao , Zhiyang Li , Xike Xie , S. Kevin Zhou , Jianliang Xu

Recently, Large Language Models (LLMs) have been increasingly used to support various decision-making tasks, assisting humans in making informed decisions. However, when LLMs confidently provide incorrect information, it can lead humans to…

信息检索 · 计算机科学 2025-10-16 Chaeyun Jang , Deukhwan Cho , Seanie Lee , Hyungi Lee , Juho Lee

Log anomaly detection is crucial for preserving the security of operating systems. Depending on the source of log data collection, various information is recorded in logs that can be considered log modalities. In light of this intuition,…

机器学习 · 计算机科学 2026-01-01 Mohammad Nasirzadeh , Jafar Tahmoresnezhad , Parviz Rashidi-Khazaee

We develop general methods to obtain fast (polynomial time) estimates of the cardinality of a combinatorially defined set via solving some randomly generated optimization problems on the set. Geometrically, we estimate the cardinality of a…

组合数学 · 数学 2007-05-23 Alexander Barvinok , Alex Samorodnitsky

A matrix algorithm is said to be superfast (that is, runs at sublinear cost) if it involves much fewer scalars and flops than the input matrix has entries. Such algorithms have been extensively studied and widely applied in modern…

数值分析 · 数学 2025-05-28 Soo Go , Victor Y. Pan

Logging statements are essential for software debugging and maintenance. However, existing approaches to automatic logging generation rely on static analysis and produce statements in a single pass without considering runtime behavior. They…

软件工程 · 计算机科学 2026-04-01 Xin Wang , Yang Feng , Jiaoxiao Qian , Yang Zhang , Zhenhao Li , Zishuo Ding

Automata learning has been successfully applied in the verification of hardware and software. The size of the automaton model learned is a bottleneck for scalability, and hence optimizations that enable learning of compact representations…

形式语言与自动机理论 · 计算机科学 2019-11-04 Gerco van Heerdt , Matteo Sammartino , Alexandra Silva

The advancement of Large Language Models (LLMs) has greatly improved our ability to process complex language. However, accurately detecting logical fallacies remains a significant challenge. This study presents a novel and effective prompt…

人工智能 · 计算机科学 2025-04-01 Jiwon Jeong , Hyeju Jang , Hogun Park

Automatic log analysis is essential for the efficient Operation and Maintenance (O&M) of software systems, providing critical insights into system behaviors. However, existing approaches mostly treat log analysis as training a model to…

软件工程 · 计算机科学 2025-01-10 Yilun Liu , Yuhe Ji , Shimin Tao , Minggui He , Weibin Meng , Shenglin Zhang , Yongqian Sun , Yuming Xie , Boxing Chen , Hao Yang

We give three new algorithms for efficient in-place estimation, without using ancilla qubits, of average fidelity of a quantum logic gate acting on a d-dimensional system using much fewer random bits than what was known so far. Previous…

量子物理 · 物理学 2019-01-23 Aditya Nema , Pranab Sen

Low-rank matrix is desired in many machine learning and computer vision problems. Most of the recent studies use the nuclear norm as a convex surrogate of the rank operator. However, all singular values are simply added together by the…

计算机视觉与模式识别 · 计算机科学 2015-07-07 Zhao Kang , Chong Peng , Jie Cheng , Qiang Chen

ProbLog is a state-of-art combination of logic programming and probabilities; in particular ProbLog offers parameter learning through a variant of the EM algorithm. However, the resulting learning algorithm is rather slow, even when the…

人工智能 · 计算机科学 2017-08-03 Francisco H. O. V. de Faria , Arthur C. Gusmão , Fabio G. Cozman , Denis D. Mauá