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Basic External Memory Data Structures
Basic External Memory Data Structures

TITLE BYLINE Synonym Definition Discussion
TITLE BYLINE Synonym Definition Discussion

... rounds. The cost of this pipelined broadcast algorithms is (N +p−2)(α+ Nn )β. Minimizing this yields a best possible cost of XXX Likewise the fixed degree balanced binary tree and Fibonacci tree can be pipelined. Upon receiving a new block each not in a fixed sequence sends this block to its childre ...
File Systems - Dickinson College
File Systems - Dickinson College

iterators
iterators

... index i that keeps track of the cursor doubly-linked list L storing the elements, with sentinels for header and trailer pointer p to node containing the last element returned (or the header if this is a new iterator). ...
Binary Trees
Binary Trees

Flowers - Rose
Flowers - Rose

Energy Efficient In-Network Data Indexing for Mobile Wireless
Energy Efficient In-Network Data Indexing for Mobile Wireless

Data Structures: Lists
Data Structures: Lists

... requires: list L is not empty. input: none results: the current element is removed from the list. If the resulting list is empty current is set to NULL. If successor of the deleted element exists it is made the new current element otherwise first element is made the new current element. output: none ...
1 of 5
1 of 5

... New nodes can be added and removed only at the top Similar to a pile of dishes Last-in, first-out (LIFO) Bottom of stack indicated by a link member to NULL Constrained version of a linked list Adds a new node to the top of the stack ...
Keyword Search On Spatial Databases
Keyword Search On Spatial Databases

... node splitting. We modify the standard AdjustTree method to also maintain the signatures of the modified nodes. That is, if a new bit is set to 1 in a node N, then it must be also set to 1 for N’s ancestors. Finally, we assume that all tree related algorithms have implicit access to the root node of ...
Midterm Solutions
Midterm Solutions

投影片 1 - CSIE -NCKU
投影片 1 - CSIE -NCKU

Advanced Algorithm Design and Analysis (Lecture 1)
Advanced Algorithm Design and Analysis (Lecture 1)

Range Searching
Range Searching

... • Next, each canonical set is searched using the y-tree for range [ylo, yhi]. We locate ylo; then read off points until yhi reached. • Since each set is searched for the same key, ylo, we can improve the search to O(1) per set. • In effect, we do the first search in O(log n) time, but then use that ...
Simulated Pointers
Simulated Pointers

... Leaf nodes of B+ tree are pointing the records on a disk ...
Programming and Data Structures Prof. N. S. Narayanaswamy
Programming and Data Structures Prof. N. S. Narayanaswamy

Concurrent Cache-Oblivious B-trees using Transactional Memory
Concurrent Cache-Oblivious B-trees using Transactional Memory

Intelligent Agents and Applications in Enterprise Computing
Intelligent Agents and Applications in Enterprise Computing

ViST: A Dynamic Index Method for Querying XML Data by Tree
ViST: A Dynamic Index Method for Querying XML Data by Tree

... /A[B/C]/B/D, the two nodes under the branch are the same: B. In this case, the tree isomorphism problem can not be avoided by enforcing sibling orders, since the two nodes are identical. As a result, the preorder sequences of XML data trees that contain such a branch can have two possible forms. In ...
Computational Bounds on Hierarchical Data Processing with
Computational Bounds on Hierarchical Data Processing with

Variables Storage, Type, Declaration.
Variables Storage, Type, Declaration.

BSP Trees
BSP Trees

PPT
PPT

... David Luebke ...
Singly-linked List
Singly-linked List

... If data is entered in sorted order, the tree becomes a list.  This degeneration loses the O(log2 n) behaviour.  How can we get around this? ...
09_Lecture
09_Lecture

... Let P be a set of points in the plane stored in a 2-dim range tree and let a 2-dim range R defined by the two intervals [x, x‘], [y, y‘] be given. The all k points of P falling into the range R can be reported as follows: 1. Determine the O(log n) umbrella nodes for the range [x, x‘], i.e. determine ...
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B-tree



In computer science, a B-tree is a tree data structure that keeps data sorted and allows searches, sequential access, insertions, and deletions in logarithmic time. The B-tree is a generalization of a binary search tree in that a node can have more than two children (Comer 1979, p. 123). Unlike self-balancing binary search trees, the B-tree is optimized for systems that read and write large blocks of data. B-trees are a good example of a data structure for external memory. It is commonly used in databases and filesystems.
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