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We run an independent comparison of all hyperparameter optimization (hyperopt) engines available in the Ray Tune library. We introduce two ways to normalize and aggregate statistics across data sets and models, one rank-based, and another…

机器学习 · 计算机科学 2023-11-28 Balazs Kegl

As robots become increasingly capable of manipulation and long-term autonomy, long-horizon task and motion planning problems are becoming increasingly important. A key challenge in such problems is that early actions in the plan may make…

机器人学 · 计算机科学 2022-11-16 Yoonchang Sung , Zizhao Wang , Peter Stone

We consider a problem in which a single repairer is responsible for the maintenance and repair of a collection of machines, positioned at different locations on a network of nodes and edges. Machines deteriorate according to stochastic…

最优化与控制 · 数学 2026-02-24 Dongnuan Tian , Rob Shone

A large variety of real-world Reinforcement Learning (RL) tasks is characterized by a complex and heterogeneous structure that makes end-to-end (or flat) approaches hardly applicable or even infeasible. Hierarchical Reinforcement Learning…

机器学习 · 计算机科学 2023-05-12 Gianluca Drappo , Alberto Maria Metelli , Marcello Restelli

The repair problem for functional dependencies is the problem where an input database needs to be modified such that all functional dependencies are satisfied and the difference with the original database is minimal. The output database is…

数据库 · 计算机科学 2024-04-18 Toon Boeckling , Antoon Bronselaer

To improve the efficiency of warehousing system and meet huge customer orders, we aim to solve the challenges of dimension disaster and dynamic properties in hyper scale multi-robot task planning (MRTP) for robotic mobile fulfillment system…

机器人学 · 计算机科学 2026-05-06 Xuan Zhou , Xiang Shi , Lele Zhang , Chen Chen , Hongbo Li , Lin Ma , Fang Deng , Jie Chen

The issue of repairing Reed-Solomon codes currently employed in industry has been sporadically discussed in the literature. In this work we carry out a systematic study of these codes and investigate important aspects of repairing them…

信息论 · 计算机科学 2022-05-24 Thi Xinh Dinh , Luu Y Nhi Nguyen , Lakshmi J. Mohan , Serdar Boztas , Tran Thi Luong , Son Hoang Dau

Motion planners are essential for the safe operation of automated vehicles across various scenarios. However, no motion planning algorithm has achieved perfection in the literature, and improving its performance is often time-consuming and…

机器人学 · 计算机科学 2024-08-13 Yuanfei Lin , Chenran Li , Mingyu Ding , Masayoshi Tomizuka , Wei Zhan , Matthias Althoff

Hypergraph matching has recently become a popular approach for solving correspondence problems in computer vision as it allows to integrate higher-order geometric information. Hypergraph matching can be formulated as a third-order…

计算机视觉与模式识别 · 计算机科学 2016-11-17 Quynh Nguyen , Francesco Tudisco , Antoine Gautier , Matthias Hein

The current article is an interdisciplinary attempt to decipher automatic program repair processes. The review is done by the manner typical to human science known as diffraction. We attempt to spot a gap in the literature of self-healing…

软件工程 · 计算机科学 2020-11-06 S. Amirhossein Mousavi , Donya Azizi Babani , Francesco Flammini

Automated program repair is an emerging technology which consists of a suite of techniques to automatically fix bugs or vulnerabilities in programs. In this paper, we present a comprehensive survey of the state of the art in program repair.…

软件工程 · 计算机科学 2022-11-24 Xiang Gao , Yannic Noller , Abhik Roychoudhury

For a relation that violates a set of functional dependencies, we consider the task of finding a maximum number of pairwise-consistent tuples, or what is known as a "cardinality repair." We present a polynomial-time algorithm that, for…

数据库 · 计算机科学 2017-08-31 Ester Livshits , Benny Kimelfeld

Automated parking stands as a highly anticipated application of autonomous driving technology. However, existing path planning methodologies fall short of addressing this need due to their incapability to handle the diverse and complex…

机器人学 · 计算机科学 2025-04-22 Mingyang Jiang , Yueyuan Li , Songan Zhang , Siyuan Chen , Chunxiang Wang , Ming Yang

Automatic parameter tuning methods for planning algorithms, which integrate pipeline approaches with learning-based techniques, are regarded as promising due to their stability and capability to handle highly constrained environments. While…

机器人学 · 计算机科学 2025-03-25 Lu Wangtao , Wei Yufei , Xu Jiadong , Jia Wenhao , Li Liang , Xiong Rong , Wang Yue

For prohibitively large-scale Travelling Salesman Problems (TSPs), existing algorithms face big challenges in terms of both computational efficiency and solution quality. To address this issue, we propose a hierarchical destroy-and-repair…

人工智能 · 计算机科学 2023-08-10 Zhang-Hua Fu , Sipeng Sun , Jintong Ren , Tianshu Yu , Haoyu Zhang , Yuanyuan Liu , Lingxiao Huang , Xiang Yan , Pinyan Lu

Hierarchical Classification (HC) is a supervised learning problem where unlabeled instances are classified into a taxonomy of classes. Several methods that utilize the hierarchical structure have been developed to improve the HC…

人工智能 · 计算机科学 2016-10-18 Azad Naik , Huzefa Rangwala

In this work we investigate the systems that implements algorithms for the planning problem in Artificial Intelligence, called planners, with especial attention to the planners based on the plan graph. We analyze the problem of comparing…

人工智能 · 计算机科学 2012-10-26 João Eugenio Marynowski

Program synthesis and repair have emerged as an exciting area of research, driven by the potential for revolutionary advances in programmer productivity. Among most promising ideas emerging for synthesis are syntax-driven search,…

编程语言 · 计算机科学 2017-07-14 Manos Koukoutos , Mukund Raghothaman , Etienne Kneuss , Viktor Kuncak

When combining data from multiple sources, inconsistent data complicates the production of a coherent result. In this paper, we introduce a new type of constraints called edit rules under a partial key (EPKs). These constraints can model…

数据库 · 计算机科学 2024-03-29 Antoon Bronselaer , Maribel Acosta

Image Retrieval is commonly evaluated with Average Precision (AP) or Recall@k. Yet, those metrics, are limited to binary labels and do not take into account errors' severity. This paper introduces a new hierarchical AP training method for…

计算机视觉与模式识别 · 计算机科学 2022-07-25 Elias Ramzi , Nicolas Audebert , Nicolas Thome , Clément Rambour , Xavier Bitot