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Core Labeling: A New Way to Compress Transitive Closure

Core Labeling: A New Way to Compress Transitive Closure

Core Labeling: A New Way to Compress Transitive Closure. Yangjun Chen Dept. Applied Computer Science, University of Winnipeg 515 Portage Ave. Winnipeg, Manitoba, Canada R3B 2E9. Outline. Motivation Tree labeling Main algorithm - Core tree - Graph labeling: Core-I

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413 views • 41 slides
Recursive Graph Deduction and Reachability Queries

Recursive Graph Deduction and Reachability Queries

Recursive Graph Deduction and Reachability Queries. Yangjun Chen Dept. Applied Computer Science, University of Winnipeg 515 Portage Ave. Winnipeg, Manitoba, Canada R3B 2E9. Outline. Motivation Graph deduction - Basic definitions - Critical nodes and critical subgraphs

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346 views • 33 slides
B-Trees

B-Trees

B-Trees. Disk Storage What is a multiway tree? What is a B-tree? Why B-trees? Comparing B-trees and AVL-trees Searching a B-tree Insertion in a B-tree Deletion in a B-tree. Disk Storage. Data is stored on disk (i.e., secondary memory) in blocks.

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329 views • 32 slides
Deletion

Deletion

Deletion. To delete a key target , we find it at a leaf x, and remove it. Two situations to worry about: (1) target is a key in some internal node (needs to be replaced, according to our convention)

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368 views • 26 slides
Deletion

Deletion

Deletion. To delete a key target , we find it at a leaf x, and remove it. Two situations to worry about: (1) target is a key in some internal node (needs to be replaced, according to our convention)

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409 views • 26 slides

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