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Small Stretch Spanners on Dynamic Graphs

open access: yesJournal of Graph Algorithms and Applications, 2006
We present fully dynamic algorithms for maintaining 3- and 5-spanners of undirected graphs under a sequence of update operations. For unweighted graphs we maintain a 3-spanner or a 5-spanner under insertions and deletions of edges; on a graph with n ...
Giorgio Ausiello   +2 more
doaj   +1 more source

A survey of graph-based algorithms for discovering business processes

open access: yesIJAIN (International Journal of Advances in Intelligent Informatics), 2019
Algorithms of process discovery help analysts to understand business processes and problems in a system by creating a process model based on a log of the system. There are existing algorithms of process discovery, namely graph-based.
Riyanarto Sarno, Kelly Rossa Sungkono
doaj   +1 more source

Graph Extremities Defined by Search Algorithms

open access: yesAlgorithms, 2010
Graph search algorithms have exploited graph extremities, such as the leaves of a tree and the simplicial vertices of a chordal graph. Recently, several well-known graph search algorithms have been collectively expressed as two generic algorithms called ...
Jean-Paul Bordat   +3 more
doaj   +1 more source

Undergraduate Students’ Solutions of Modeling Problems in Algorithmic Graph Theory

open access: yesMathematics, 2019
Graphs can be considered as useful mathematical models. Graph algorithms are a common part of undergraduate courses in discrete mathematics. Even though they have been successfully implemented in secondary curricula, little research has been dedicated to
Janka Medová   +3 more
doaj   +1 more source

Leanness Computation: Small Values and Special Graph Classes [PDF]

open access: yesDiscrete Mathematics & Theoretical Computer Science
Let u and v be vertices in a connected graph G = (V, E). For any integer k such that 0 ≤ k ≤ dG (u, v), the k-slice Sk (u, v) contains all vertices x on a shortest uv-path such that dG (u, x) = k.
David Coudert   +2 more
doaj   +1 more source

Engineering a Combinatorial Laplacian Solver: Lessons Learned

open access: yesAlgorithms, 2016
Linear system solving is a main workhorse in applied mathematics. Recently, theoretical computer scientists contributed sophisticated algorithms for solving linear systems with symmetric diagonally-dominant (SDD) matrices in provably nearly-linear time ...
Daniel Hoske   +3 more
doaj   +1 more source

Innovative Method of the Evaluation of Multicriterial Multicast Routing Algorithms

open access: yesJournal of Telecommunications and Information Technology, 2013
Theoretical considerations of the multicast Quality of Service (QoS) routing have been a rapidly developing and dynamic research area for years. Several algorithms derived from different approaches have been proposed, while the pool of valid solutions ...
Krzysztof Stachowiak   +1 more
doaj   +1 more source

On the predictibility of A-minor motifs from their local contexts

open access: yesRNA Biology, 2022
This study investigates the importance of the structural context in the formation of a type I/II A-minor motif. This very frequent structural motif has been shown to be important in the spatial folding of RNA molecules.
Coline Gianfrotta   +4 more
doaj   +1 more source

Designing and Evaluating a Serious Game for Learning Artificial Intelligence Algorithms: SpAI War as a Case Study

open access: yesApplied Sciences, 2023
Artificial Intelligence (AI) nowadays is the technology of the future, as its applications are constantly expanding in every aspect of human life. The spread of the internet has given a great impetus to technologies that apply AI algorithms and make ...
Anastasios Barmpakas, Stelios Xinogalos
doaj   +1 more source

Summary of Large-Scale Grapb Partitioning Algoritbms

open access: yesDianxin kexue, 2014
The large-scale graph partitioning algorithms were summarized and graph computing models in the distributed environment were introduced. Firstly the large-scale static graph partitioning algorithms and the dynamic graph partitioning algorithms were ...
Jinfeng Xu   +4 more
doaj   +2 more sources

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