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Hop-Constrained s-t Simple Path Enumeration in Large Uncertain Graphs

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Part of the Lecture Notes in Computer Science book series (LNCS,volume 13459)


Uncertain graphs are graphs where each edge is assigned with a probability of existence. In this paper, we study the problem of hop-constrained s-t simple path enumeration in large uncertain graphs. To the best of our knowledge, we are the first to study this problem in the literature. Specifically, we propose a light-weight index to prune candidate paths by adopting the concept of probability-constrained distance. An efficient enumeration algorithm is designed based on the index structure. Experiment results on real-world datasets show that our proposed methods significantly outperform the baseline methods by up to 6 times.


  • Graph
  • Uncertain graph
  • Path enumeration

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  • DOI: 10.1007/978-3-031-15512-3_9
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Correspondence to Xia Li .

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Li, X., Hao, K., Yang, Z., Cao, X., Zhang, W. (2022). Hop-Constrained s-t Simple Path Enumeration in Large Uncertain Graphs. In: Hua, W., Wang, H., Li, L. (eds) Databases Theory and Applications. ADC 2022. Lecture Notes in Computer Science, vol 13459. Springer, Cham.

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  • Print ISBN: 978-3-031-15511-6

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