tensorlogic_sklears_kernels::tree_kernel

Struct SubtreeKernel

pub struct SubtreeKernel { /* private fields */ }

Expand description

Subtree kernel - counts common subtrees

This kernel counts the number of subtrees that are common between two trees. It provides a measure of structural similarity.

§Formula

K(T1, T2) = Σ_i Σ_j I(subtree_i(T1) == subtree_j(T2))

where I is the indicator function.

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impl SubtreeKernel

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pub fn new(config: SubtreeKernelConfig) -> Self

Create a new subtree kernel

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pub fn compute_trees(&self, tree1: &TreeNode, tree2: &TreeNode) -> Result<f64>

Compute kernel between two trees

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impl UnwindSafe for SubtreeKernel

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