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  Hash tree

  In cryptography and computer science Hash trees or Merkle trees are a type of data structure which contains a tree of summary information about a larger piece of data – for instance a file – used to verify its contents. Hash trees are an extension of hash lists, which in turn are an extension of...

• Trie

  In computer science, a trie, or prefix tree, is an ordered tree data structure that is used to store an associative array where the keys are usually strings. Unlike a binary search tree, no node in the tree stores the key associated with that node; instead, its position in the tree shows what key...

• B# Tree

  A B# tree is similar to a B+ tree with rotations allowed among brothers only (immediate siblings). Insertion Procedure: Find the node where the new key is to be inserted. If that node is full we must try to perform a rotation with one of our brothers. If all of our brothers are at capacity we must...

• Range tree

  In computer science, a range tree is an ordered tree data structure to hold a list of points. It allows all points within a given range to be efficiently retrieved, and is typically used in two or higher dimensions. It is similar to a kd-tree except with faster query times of O(log n + k) but worse...

• Binary tree

  In computer science, a binary tree is a tree data structure in which each node has at most two children. Typically the first node is known as the parent and the child nodes are called left and right. In type theory, a binary tree with nodes of type A is defined inductively as TA = μα. 1 + A × α × α...