Title
A hybridised variable neighbourhood tabu search heuristic to increase security in a utility network
Abstract
We propose a decision model aimed at increasing security in a utility network (e.g., electricity, gas, water or communication network). The network is modelled as a graph, the edges of which are unreliable. We assume that all edges (e.g., pipes, cables) have a certain, not necessarily equal, probability of failure, which can be reduced by selecting edge-specific security strategies. We develop a mathematical programming model and a metaheuristic approach that uses a greedy random adaptive search procedure to find an initial solution and uses tabu search hybridised with iterated local search and a variable neighbourhood descend heuristic to improve this solution. The main goal is to reduce the risk of service failure between an origin and a destination node by selecting the right combination of security measures for each network edge given a limited security budget.
Year
DOI
Venue
2016
10.1016/j.ress.2015.08.008
Reliability Engineering & System Safety
Keywords
Field
DocType
Network security,Metaheuristics,GRASP,ILS,Tabu search,VND
Heuristic,Mathematical optimization,Guided Local Search,Network security,Edge device,Decision model,Engineering,Tabu search,Iterated local search,Metaheuristic
Journal
Volume
ISSN
Citations 
145
0951-8320
1
PageRank 
References 
Authors
0.37
15
3
Name
Order
Citations
PageRank
Jochen Janssens1122.09
Luca Talarico2324.89
Kenneth Sörensen317519.42