Results 1 to 10 of about 175,583 (233)

Constraint Programming Approach to Coverage-Path Planning for Autonomous Multi-UAV Infrastructure Inspection

open access: yesDrones, 2023
This article presents a constraint modeling approach to global coverage-path planning for linear-infrastructure inspection using multiple autonomous UAVs.
Lea Matlekovic, Peter Schneider-Kamp
doaj   +2 more sources

Joint Network Function Placement and Routing Optimization in Dynamic Software-Defined Satellite-Terrestrial Integrated Networks [PDF]

open access: yesIEEE Transactions on Wireless Communications, 2023
Software-defined satellite-terrestrial integrated networks (SDSTNs) are seen as a promising paradigm for achieving high resource flexibility and global communication coverage. However, low latency service provisioning is still challenging due to the fast
Shuo Yuan, Yaohua Sun, Mugen Peng
semanticscholar   +1 more source

Resource Allocation for Tethered UAVs Aided NOMA Networks: A Location-Aware Air-Ground Collaborative Perspective

open access: yesIEEE Access, 2023
The research of the mutli-UAV assisted NOMA networks has received a lot of attention because of its superior ability to improve spectrum efficiency and high maneuverability simultaneously.
Hongxiang Shao   +5 more
semanticscholar   +1 more source

Branch-and-price-and-cut for large-scale multicommodity capacitated fixed-charge network design

open access: yesEURO Journal on Computational Optimization, 2014
We present a branch-and-price-and-cut algorithm for solving large-scale instances of the multicommodity capacitated fixed-charge network design problem.
Bernard Gendron, Mathieu Larose
doaj   +1 more source

Compact ILP formulations for the routing and wavelength assignment problem in the design of optical transport networks with regenerators

open access: yesEURO Journal on Computational Optimization, 2016
This paper addresses two variants of the routing and wavelength assignment problem arising in the context of optical transport networks. In both variants, we address the case where the physical coverage of the fiber network is such that regenerators, to ...
Amaro de Sousa   +2 more
doaj   +1 more source

WOLFE: An NLP-friendly Declarative Machine Learning Stack

open access: yesNorth American Chapter of the Association for Computational Linguistics, 2015
Developing machine learning algorithms for natural language processing (NLP) applications is inherently an iterative process, involving a continuous refinement of the choice of model, engineering of features, selection of inference algorithms, search for
Sameer Singh   +4 more
semanticscholar   +1 more source

Finding and counting vertex-colored subtrees [PDF]

open access: yes, 2010
The problems studied in this article originate from the Graph Motif problem introduced by Lacroix et al. in the context of biological networks. The problem is to decide if a vertex-colored graph has a connected subgraph whose colors equal a given ...
A. Björklund   +25 more
core   +5 more sources

Chemical concrete machine [PDF]

open access: yes, 2013
The chemical concrete machine is a graph rewriting system which uses only local moves (rewrites), seen as chemical reactions involving molecules which are graphs made up by 4 trivalent nodes.
Buliga, Marius
core   +2 more sources

Ringo: Interactive Graph Analytics on Big-Memory Machines [PDF]

open access: yes, 2015
We present Ringo, a system for analysis of large graphs. Graphs provide a way to represent and analyze systems of interacting objects (people, proteins, webpages) with edges between the objects denoting interactions (friendships, physical interactions ...
Banerjee, Arijit   +6 more
core   +1 more source

Bias estimation in sensor networks [PDF]

open access: yes, 2019
This paper investigates the problem of estimating biases affecting relative state measurements in a sensor network. Each sensor measures the relative states of its neighbors and this measurement is corrupted by a constant bias.
De Persis, Claudio   +3 more
core   +2 more sources

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