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The landscape of applications and subroutines relying on shortest path computations continues to grow steadily. This growth is driven by the undeniable success of shortest path algorithms in theory and practice. It also introduces new…

Data Structures and Algorithms · Computer Science 2024-08-13 Ricardo Euler , Pedro Maristany de las Casas

The \textit{Multi-Constraint Shortest Path (MCSP)} problem aims to find the shortest path between two nodes in a network subject to a given constraint set. It is typically processed as a \textit{skyline path} problem. However, the number of…

Data Structures and Algorithms · Computer Science 2021-09-10 Ziyi Liu , Lei Li , Mengxuan Zhang , Wen Hua , Xiaofang Zhou

This work addresses a Multi-Objective Shortest Path Problem (MO-SPP) on a graph where the goal is to find a set of Pareto-optimal solutions from a start node to a destination in the graph. A family of approaches based on MOA* have been…

Artificial Intelligence · Computer Science 2022-05-31 Zhongqiang Ren , Richard Zhan , Sivakumar Rathinam , Maxim Likhachev , Howie Choset

The Multiobjective Minimum Spanning Tree (MO-MST) problem is a variant of the Minimum Spanning Tree problem, in which the costs associated with every edge of the input graph are vectors. In this paper, we design a new dynamic programming…

Discrete Mathematics · Computer Science 2023-06-29 Pedro Maristany de las Casas , Antonio Sedeño-Noda , Ralf Borndörfer

The Multi-objective Shortest Path (MOSP) problem is a classic network optimization problem that aims to find all Pareto-optimal paths between two points in a graph with multiple edge costs. Recent studies on multi-objective search with A*…

Artificial Intelligence · Computer Science 2025-03-14 Saman Ahmadi , Nathan R. Sturtevant , Andrea Raith , Daniel Harabor , Mahdi Jalili

When traveling through a graph with an accessible deterministic path to a target, is it ever preferable to resort to stochastic node-to-node transitions instead? And if so, what are the conditions guaranteeing that such a stochastic optimal…

Optimization and Control · Mathematics 2025-01-13 Mallory E. Gaspard , Alexander Vladimirsky

Given a connected, undirected graph whose edges are labelled (or coloured), the minimum labelling spanning tree (MLST) problem seeks a spanning tree whose edges have the smallest number of distinct labels (or colours). In recent work, the…

Optimization and Control · Mathematics 2014-03-05 Sergio Consoli , Nenad Mladenovic , Jose Andres Moreno-Perez

Transport processes are universal in real-world complex networks, such as communication and transportation networks. As the increase of the traffic in these complex networks, problems like traffic congestion and transport delay are becoming…

Networking and Internet Architecture · Computer Science 2024-10-30 Jiexin Wu , Cunlai Pu , Shuxin Ding , Guo Cao , Panos M. Pardalos

Structural pruning techniques are essential for deploying multimodal large language models (MLLMs) across various hardware platforms, from edge devices to cloud servers. However, current pruning methods typically determine optimal…

Computer Vision and Pattern Recognition · Computer Science 2025-06-17 Zhihan Zhang , Xiang Pan , Hongchen Wei , Zhenzhong Chen

Network interdiction problems by deleting critical nodes have wide applications. However, node deletion is not always feasible in certain practical scenarios. We consider the maximum shortest path interdiction problem by upgrading nodes on…

Optimization and Control · Mathematics 2025-04-08 Qiao Zhang , Xiao Li , Xiucui Guan , Panos M. Pardalos

Automatic image cropping models predict reframing boxes to enhance image aesthetics. Yet, the scarcity of labeled data hinders the progress of this task. To overcome this limitation, we explore the possibility of utilizing both labeled and…

Computer Vision and Pattern Recognition · Computer Science 2024-07-08 Zhiyu Pan , Kewei Wang , Yizheng Wu , Liwen Xiao , Jiahao Cui , Zhicheng Wang , Zhiguo Cao

In this paper, we introduce the Targeted Multiobjective Dijkstra Algorithm (T-MDA), a label setting algorithm for the One-to-One Multiobjective Shortest Path (MOSP) Problem. The T-MDA is based on the recently published Multiobjective…

Discrete Mathematics · Computer Science 2021-12-21 Pedro Maristany de las Casas , Luitgard Kraus , Antonio Sedeño-Noda , Ralf Borndörfer

Regularization is essential for avoiding over-fitting to training data in network optimization, leading to better generalization of the trained networks. The label noise provides a strong implicit regularization by replacing the target…

Machine Learning · Computer Science 2022-05-04 Kensuke Nakamura , Bong-Soo Sohn , Kyoung-Jae Won , Byung-Woo Hong

The current driver nodes search methods are difficult to cope with large networks, and the solution process does not consider the node cost. In order to solve the practical control problem of networks with different node costs in finite…

Physics and Society · Physics 2023-08-16 Jiarui Zhang , Jian Huang , Ji Guang , Jialong Gao

A routing labeling scheme assigns a binary string, called a label, to each node in a network, and chooses a distinct port number from $\{1,\ldots,d\}$ for every edge outgoing from a node of degree $d$. Then, given the labels of $u$ and $w$…

Data Structures and Algorithms · Computer Science 2020-03-17 Paweł Gawrychowski , Wojciech Janczewski , Jakub Łopuszański

The Multi-Objective Vehicle Routing Problem (MOVRP) is a complex optimization problem in the transportation and logistics industry. This paper proposes a novel approach to the MOVRP that aims to create routes that consider drivers' and…

Artificial Intelligence · Computer Science 2024-05-28 Juan Pablo Mesa , Alejandro Montoya , Raul Ramos-Pollán , Mauricio Toro

Given a directed, discrete-time temporal graph $G=(V,R)$, a start node $s\in V$, and $p\geq1$ objectives, the single-source multiobjective temporal shortest path problem asks, for each $v\in V$, for the set of nondominated images of…

Data Structures and Algorithms · Computer Science 2026-05-08 Edina Marica , Clemens Thielen , Alina Wittmann

Decision trees, without appropriate constraints, can easily become overly complex and prone to overfit, capturing noise rather than generalizable patterns. To resolve this problem,pruning operation is a crucial part in optimizing decision…

Machine Learning · Computer Science 2025-08-11 Hasibul Karim Shanto , Umme Ayman Koana , Shadikur Rahman

We interleave sampling based motion planning methods with pruning ideas from minimum spanning tree algorithms to develop a new approach for solving a Multi-Goal Path Finding (MGPF) problem in high dimensional spaces. The approach alternates…

Multiagent Systems · Computer Science 2022-05-11 Nikhil Chandak , Kenny Chour , Sivakumar Rathinam , R. Ravi

Graph labeling problems have been widely studied in the last decades and have a vast area of application. In this work, we study the recently introduced S-labeling problem, in which the nodes get labeled using labels from 1 to |V | and for…

Optimization and Control · Mathematics 2019-09-12 Markus Sinnl
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