Truss Decomposition in Massive Networks

Provided by: VLD Digital
Topic: Networking
Format: PDF
The k-truss is a type of cohesive subgraphs proposed recently for the study of networks. While the problem of computing most cohesive subgraphs is NP-hard, there exists a polynomial time algorithm for computing k-truss. Compared with k-core which is also efficient to compute, k-truss represents the "Core" of a k-core that keeps the key information of, while filtering out less important information from, the k-core. However, existing algorithms for computing k-truss are inefficient for handling today's massive networks. The authors improve the existing in-memory algorithm for computing k-truss in networks of moderate size.

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