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Advanced Graph Modelling and Searching

Advanced Graph Modelling and Searching

Advanced Graph Modelling and Searching. HKOI Training 2008. Graph. A graph is a set of vertices and a set of edges G = (V, E) Number of vertices = |V| Number of edges = |E| We assume simple graph, so |E| = O(|V| 2 ). Trees in graph theory.

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789 views • 66 slides
Advanced DFS, BFS, Graph Modeling

Advanced DFS, BFS, Graph Modeling

Advanced DFS, BFS, Graph Modeling. 19/2/2005. Introduction. Depth-first search (DFS) Breadth-first search (BFS) Graph Modeling Model a graph from a problem, ie. transform a problem into a graph problem. vertex. edge. What is a graph?. A set of vertices and edges. ancestors. root.

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848 views • 60 slides
Graph Searching

Graph Searching

Graph Searching. Overview. Graph Notation and Implementation BFS (Breadth First Search) DFS (Depth First Search) Topology SCC ( Strongly Connected Component ) Centre, Radius, Diameter Multi-state BFS. What is Graph?. 1. NT. Q. 4. vertex. WA. SA. NSW. 2. edge. V. 3. T. Graph.

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542 views • 32 slides
Graphs Algorithms

Graphs Algorithms

Graphs Algorithms. Sections 9.1, 9.2, and 9.3. v 2. v 3. v 1. v 4. v 5. v 6. v 7. v 8. Graphs. A graph G = (V, E) V: set of vertices (nodes) E : set of edges (links) Complete graph There is an edge between every pair of vertices Two kinds of graph Undirected

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320 views • 23 slides
Graphs Algorithms

Graphs Algorithms

Graphs Algorithms. Sections 9.1, 9.2, and 9.3. v 2. v 3. v 1. v 4. v 5. v 6. v 7. v 8. Graphs. A graph G = (V, E) V: set of vertices (nodes) E : set of edges (links) Complete graph There is an edge between every pair of vertices Two kinds of graph Undirected

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353 views • 23 slides

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