Tree Branch Attachment to Trunks and Branch Pruning

Pruning by Isomorphism in Branch-and-Cut

Forest Pruning Based on Branch Importance

A forest is an ensemble with decision trees as members. This paper proposes a novel strategy to pruning forest to enhance ensemble generalization ability and reduce ensemble size. Unlike conventional ensemble pruning approaches, the proposed method tries to evaluate the importance of branches of trees with respect to the whole ensemble using a novel proposed metric called importance gain. The i...

To branch or not to branch

new study identifies a possible new function for endostatin, the potential cancer-killer that checks blood vessel growth. Within the developing kidney, endostatin may help regulate the branching that establishes the network of urine-collecting tubules. Cells in the ureteric bud divide and change shape to form the plumbing system of the kidney. Because endostatin inhibits blood vessel formation,...

Tree Shape and Branch Structure: Mathematical Models

This study of tree morphology is presented in three parts: Part 1 deals with the profile (or envelope) of trees and woody plants. Noting that most trees exhibit: (i) azimuthal symmetry about the central axis (often the main stem or bole) in both in foliage and scaffolding; and (ii) decrease in leaf density from branch-end toward the central axis, a mathematical model is developed using the calc...

Last-Branch and Speculative Pruning Algorithms for Max"

Previous work in pruning algorithms for max" multi-player game trees has produced shallow pruning and alpha-beta branch-and-bound pruning. The effectiveness of these algorithms is dependant as much on the range of terminal values found in the game tree as on the ordering of nodes. We introduce last-branch and speculative pruning techniques which can prune any constantsum multi-player game tree....