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Sponsored by the Center for Science and Technology Development of the Ministry of Education
Supervised by Ministry of Education of the People's Republic of China
Enumerating strongly connected components in directed graph is the fundamental problem of graph theory. The standard serial algorithm for strongly connected components is based on depth first search, which is difficult to parallelize for large scale graph. In this paper, we propose a nearly linear parallel bi-directional label propagation algorithm to enumerate strongly connected components of large scale graph on MapReduce framework. The algorithm is suitable for large scale graphs and the experiment shows its efficiency and scalability.