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This paper considers online optimization for a system that performs a sequence of back-to-back tasks. Each task can be processed in one of multiple processing modes that affect the duration of the task, the reward earned, and an additional…

最优化与控制 · 数学 2024-01-17 Michael J. Neely

The problem of online change point detection is to detect abrupt changes in properties of time series, ideally as soon as possible after those changes occur. Existing work on online change point detection either assumes i.i.d data, focuses…

机器学习 · 计算机科学 2023-12-01 Lei Xin , George Chiu , Shreyas Sundaram

This presentation focuses on the importance of web crawling and page ranking algorithms in dealing with the massive amount of data present on the World Wide Web. As the web continues to grow exponentially, efficient search and retrieval…

信息检索 · 计算机科学 2023-06-22 Nithin T K , Chandana S , Barani G , Chavva Dharani , M S Karishma

Large Language Models (LLMs) and other large foundation models have achieved noteworthy success, but their size exacerbates existing resource consumption and latency challenges. In particular, the large-scale deployment of these models is…

机器学习 · 计算机科学 2023-08-30 Banghua Zhu , Ying Sheng , Lianmin Zheng , Clark Barrett , Michael I. Jordan , Jiantao Jiao

Large Language Model (LLM) inference, where a trained model generates text one word at a time in response to user prompts, is a computationally intensive process requiring efficient scheduling to optimize latency and resource utilization. A…

机器学习 · 计算机科学 2026-01-16 Patrick Jaillet , Jiashuo Jiang , Konstantina Mellou , Marco Molinaro , Chara Podimata , Zijie Zhou

Stochastic approximation techniques play an important role in solving many problems encountered in machine learning or adaptive signal processing. In these contexts, the statistics of the data are often unknown a priori or their direct…

最优化与控制 · 数学 2016-09-27 Chouzenoux Emilie , Pesquet Jean-Christophe

We present a novel approach for the problem of frequency estimation in data streams that is based on optimization and machine learning. Contrary to state-of-the-art streaming frequency estimation algorithms, which heavily rely on random…

数据结构与算法 · 计算机科学 2022-07-19 Dimitris Bertsimas , Vassilis Digalakis

In this paper, we consider the online version of the machine minimization problem (introduced by Chuzhoy et al., FOCS 2004), where the goal is to schedule a set of jobs with release times, deadlines, and processing lengths on a minimum…

离散数学 · 计算机科学 2014-03-06 Nikhil Devanur , Konstantin Makarychev , Debmalya Panigrahi , Grigory Yaroslavtsev

In this paper we derive an updating scheme for calculating some important network statistics such as degree, clustering coefficient, etc., aiming at reduce the amount of computation needed to track the evolving behavior of large networks;…

数据分析、统计与概率 · 物理学 2009-04-02 Jie Sun , James P. Bagrow , Erik M. Bollt , Joesph D. Skufca

Vertical search engines focus on specific slices of content, such as the Web of a single country or the document collection of a large corporation. Despite this, like general open web search engines, they are expensive to maintain,…

We revisit the online dynamic acknowledgment problem. In the problem, a sequence of requests arrive over time to be acknowledged, and all outstanding requests can be satisfied simultaneously by one acknowledgement. The goal of the problem…

数据结构与算法 · 计算机科学 2023-05-30 Sungjin Im , Benjamin Moseley , Chenyang Xu , Ruilong Zhang

The classic online stochastic matching problem typically requires immediate and irrevocable matching decisions. However, in many modern decentralized systems such as real-time ride-hailing and distributed cloud computing, the primary…

数据结构与算法 · 计算机科学 2026-05-15 Sara Ahmadian , Edith Cohen , Mohammad Roghani

Streaming data often exhibit heterogeneity due to heteroscedastic variances or inhomogeneous covariate effects. Online renewable quantile and expectile regression methods provide valuable tools for detecting such heteroscedasticity by…

统计方法学 · 统计学 2026-02-27 Wei Cao , Shanshan Wanga , Xiaoxue Hua

We initiate the study of approximate maximum matching in the vertex partition model, for graphs subject to dynamic changes. We assume that the $n$ vertices of the graph are partitioned among $k$ players, who execute a distributed algorithm…

分布式、并行与集群计算 · 计算机科学 2026-01-01 Peter Robinson , Xianbin Zhu

This work presents an online velocity planner for autonomous racing that adapts to changing dynamic constraints, such as grip variations from tire temperature changes and rubber accumulation. The method combines a forward-backward solver…

机器人学 · 计算机科学 2025-05-09 Alexander Langmann , Levent Ögretmen , Frederik Werner , Johannes Betz

Scalable decentralized optimization in large-scale systems hinges on efficient communication. A common way to reduce communication overhead is to perform multiple local updates between two communication rounds, as in federated learning.…

最优化与控制 · 数学 2025-11-10 Jie Liu , Zuang Wang , Yongqiang Wang

The growth of the World Wide Web has emphasized the need for improvement in user latency. One of the techniques that are used for improving user latency is Caching and another is Web Prefetching. Approaches that bank solely on caching offer…

网络与互联网体系结构 · 计算机科学 2011-02-04 Debajyoti Mukhopadhyay , Priyanka Mishra , Dwaipayan Saha , Young-Chon Kim

We investigate boosted online regression and propose a novel family of regression algorithms with strong theoretical bounds. In addition, we implement several variants of the proposed generic algorithm. We specifically provide theoretical…

统计理论 · 数学 2016-12-07 Dariush Kari , Farhan Khan , Selami Ciftci , Suleyman Serdar Kozat

This paper proposes and evaluates a novel algorithm for streaming video over HTTP. The problem is formulated as a non-convex optimization problem which is constrained by the predicted available bandwidth, chunk deadlines, available video…

网络与互联网体系结构 · 计算机科学 2019-01-23 Anis Elgabli , Vaneet Aggarwal

We consider the online stochastic matching problem proposed by Feldman et al. [FMMM09] as a model of display ad allocation. We are given a bipartite graph; one side of the graph corresponds to a fixed set of bins and the other side…

数据结构与算法 · 计算机科学 2011-08-03 Vahideh H. Manshadi , Shayan Oveis Gharan , Amin Saberi