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Wrobel, Stefan
A generalized Weisfeiler-Lehman graph kernel
Mining Tree Patterns with Partially Injective Homomorphisms
Probabilistic frequent subtree kernels
Decision Snippet Features
Probabilistic and exact frequent subtree mining in graphs beyond forests
Min-hashing for probabilistic frequent subtree feature spaces
HOPS: Probabilistic Subtree Mining for Small and Large Graphs
Probabilistic frequent subtrees for efficient graph classification and retrieval
On the complexity of frequent subtree mining in very simple structures