scholarly journals A novel top‐ k key node query problem in subgraph matching and its greedy strategy

2021 ◽  
Author(s):  
Zhengyuan Xue

Author(s):  
Benoit Duvocelle ◽  
János Flesch ◽  
Hui Min Shi ◽  
Dries Vermeulen

AbstractWe consider a discrete-time dynamic search game in which a number of players compete to find an invisible object that is moving according to a time-varying Markov chain. We examine the subgame perfect equilibria of these games. The main result of the paper is that the set of subgame perfect equilibria is exactly the set of greedy strategy profiles, i.e. those strategy profiles in which the players always choose an action that maximizes their probability of immediately finding the object. We discuss various variations and extensions of the model.





Author(s):  
Xin Jin ◽  
Zhengyi Yang ◽  
Xuemin Lin ◽  
Shiyu Yang ◽  
Lu Qin ◽  
...  


Author(s):  
Hamida Seba ◽  
Sofiane Lagraa ◽  
Hamamache Kheddouci


Author(s):  
Arlindo L. Oliveira ◽  
Alberto Sangiovanni-Vincentelli


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