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Computing shortest paths is a fundamental primitive for several social network applications including socially-sensitive ranking, location-aware search, social auctions and social network privacy. Since these applications compute paths in…

分布式、并行与集群计算 · 计算机科学 2013-09-05 Rachit Agarwal , Matthew Caesar , P. Brighten Godfrey , Ben Y. Zhao

A backdoor in a finite-domain CSP instance is a set of variables where each possible instantiation moves the instance into a polynomial-time solvable class. Backdoors have found many applications in artificial intelligence and elsewhere,…

计算复杂性 · 计算机科学 2022-11-21 Peter Jonsson , Victor Lagerkvist , Sebastian Ordyniak

Shuffle is one of the most expensive communication primitives in distributed data processing and is difficult to scale. Prior work addresses the scalability challenges of shuffle by building monolithic shuffle systems. These systems are…

分布式、并行与集群计算 · 计算机科学 2023-08-21 Frank Sifei Luan , Stephanie Wang , Samyukta Yagati , Sean Kim , Kenneth Lien , Isaac Ong , Tony Hong , SangBin Cho , Eric Liang , Ion Stoica

This paper considers a trajectory planning problem for a robot navigating complex terrains, which arises in applications ranging from autonomous mining vehicles to planetary rovers. The problem seeks to find a low-cost dynamically feasible…

机器人学 · 计算机科学 2024-07-04 Yilin Cai , Zhongqiang Ren

Path planning is a crucial algorithmic approach for designing robot behaviors. Sampling-based approaches, like rapidly exploring random trees (RRTs) or probabilistic roadmaps, are prominent algorithmic solutions for path planning problems.…

机器人学 · 计算机科学 2022-08-05 T. Dam , G. Chalvatzaki , J. Peters , J. Pajarinen

We present the C++ library CppSs (C++ super-scalar), which provides efficient task-parallelism without the need for special compilers or other software. Any C++ compiler that supports C++11 is sufficient. CppSs features different…

分布式、并行与集群计算 · 计算机科学 2015-02-27 Steffen Brinkmann , Jose Gracia

The advancement of mobile technologies and the proliferation of map-based applications have enabled a user to access a wide variety of services that range from information queries to navigation systems. Due to the popularity of map-based…

数据库 · 计算机科学 2020-04-24 Hossain Mahmud , Ashfaq Mahmood Amin , Mohammed Eunus Ali , Tanzima Hashem

We study the knapsack problem with graph theoretic constraints. That is, we assume that there exists a graph structure on the set of items of knapsack and the solution also needs to satisfy certain graph theoretic properties on top of…

数据结构与算法 · 计算机科学 2024-01-25 Palash Dey , Sudeshna Kolay , Sipra Singh

Recent work has proposed a promising approach to improving scalability of program synthesis by allowing the user to supply a syntactic template that constrains the space of potential programs. Unfortunately, creating templates often…

We consider the rooted prize-collecting walks (PCW) problem, wherein we seek a collection $C$ of rooted walks having minimum prize-collecting cost, which is the (total cost of walks in $C$) + (total node-reward of nodes not visited by any…

数据结构与算法 · 计算机科学 2021-11-16 Sina Dezfuli , Zachary Friggstad , Ian Post , Chaitanya Swamy

Dataless neural networks represent a paradigm shift in applying neural architectures to combinatorial optimization problems, eliminating the need for training datasets by encoding problem instances directly into network parameters. Despite…

机器学习 · 计算机科学 2025-07-09 Marc Bara

A new set of software applications and libraries for use in the archival and analysis of pulsar astronomical data is introduced. Known collectively as the PSRCHIVE scheme, the code was developed in parallel with a new data storage format…

天体物理学 · 物理学 2007-05-23 A. W. Hotan , W. van Straten , R. N. Manchester

We introduce a new library named abess that implements a unified framework of best-subset selection for solving diverse machine learning problems, e.g., linear regression, classification, and principal component analysis. Particularly, the…

机器学习 · 统计学 2024-04-02 Jin Zhu , Xueqin Wang , Liyuan Hu , Junhao Huang , Kangkang Jiang , Yanhang Zhang , Shiyun Lin , Junxian Zhu

Fast accumulation of large amounts of complex data has created a need for more sophisticated statistical methodologies to discover interesting patterns and better extract information from these data. The large scale of the data often…

统计方法学 · 统计学 2014-09-09 Yuliya Marchetti , Qing Zhou

The trajectory planning problem (TPP) has become increasingly crucial in the research of next-generation transportation systems, but it presents challenges due to the non-linearity of its constraints. One specific case within TPP, namely…

最优化与控制 · 数学 2025-02-24 Yuanzheng Lei , Yao Cheng , Xianfeng Terry Yang

The fixed parameter tractable (FPT) approach is a powerful tool in tackling computationally hard problems. In this paper, we link FPT results to classic artificial intelligence (AI) techniques to show how they complement each other.…

人工智能 · 计算机科学 2019-07-24 Daniel Karapetyan , Andrew J. Parkes , Gregory Gutin , Andrei Gagarin

Developing software to effectively take advantage of growth in parallel and distributed processing capacity poses significant challenges. Traditional programming techniques allow a user to assume that execution, message passing, and memory…

分布式、并行与集群计算 · 计算机科学 2021-05-24 Matthew Andres Moreno , Santiago Rodriguez Papa , Charles Ofria

The Conflict-Free Electric Vehicle Routing Problem (CF-EVRP) is a combinatorial optimization problem of designing routes for vehicles to visit customers such that a cost function, typically the number of vehicles or the total travelled…

系统与控制 · 电气工程与系统科学 2022-09-13 Sabino Francesco Roselli , Remco Vader , Martin Fabian , Knut Akesson

Resource-constrained classification tasks are common in real-world applications such as allocating tests for disease diagnosis, hiring decisions when filling a limited number of positions, and defect detection in manufacturing settings…

机器学习 · 计算机科学 2023-11-22 Danit Shifman Abukasis , Izack Cohen , Xiaochen Xian , Kejun Huang , Gonen Singer

Constrained Stochastic Shortest Path Problems (CSSPs) model problems with probabilistic effects, where a primary cost is minimised subject to constraints over secondary costs, e.g., minimise time subject to monetary budget. Current…

人工智能 · 计算机科学 2025-08-26 Johannes Schmalz , Felipe Trevizan