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Fast Subtree Kernels on Graphs
Nino Shervashidze
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Oznake: computer science;machine learning;kernel methods
In this article, we propose fast subtree kernels on graphs. On graphs with n nodes and m edges and maximum degree d, these kernels comparing subtrees of height h can be computed in O(mh), whereas the classic subtree kernel by Ramon & Gärtner scales as O(n24dh). Key to this efficiency is the observat ...
Leto: 2009 Vir: videolectures.net
Št. zadetkov: 1
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