'Dfs tree' presentation slideshows

UMass Lowell Computer Science 91.404 Analysis of Algorithms Prof. Karen Daniels Spring, 2001

UMass Lowell Computer Science 91.404 Analysis of Algorithms Prof. Karen Daniels Spring, 2001. Makeup Lecture Chapter 23: Graph Algorithms Depth-First Search Breadth-First Search Topological Sort Tuesday, 5/8/01 [Source: Cormen et al. textbook except where noted].

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Graph Traversal

Graph Traversal. Chapter 9. Problem. Given a directed or undirected graph G=(V,E), find a way to traverse all of its vertices. Solution. Depth First Search (DFS) Breadth First Search (BFS). DFS. DFS. DFS. DFS. DFS. DFS. DFS. DFS. DFS. DFS. DFS. DFS. DFS. DFS. DFS. DFS. DFS.

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Simple Maze-Solving Robots solving search in real time

Simple Maze-Solving Robots solving search in real time. On line and off line search. Robot knows start and goal locations. Robot knows coordinates. search. Off line. Robot knows description, can recognize when seen. Robot does not know the start and goal locations.

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Simple Maze-Solving Robots solving search in real time

Simple Maze-Solving Robots solving search in real time. On line and off line search. Robot knows start and goal locations. Robot knows coordinates. search. Off line. Robot knows description, can recognize when seen. Robot does not know the start and goal locations.

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Graph Undirected graph Directed graph

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Advanced D epth - F irst S earch and B readth- F irst S earch

Advanced D epth - F irst S earch and B readth- F irst S earch. Overview. Depth-first search (DFS) DFS Forest Breadth-first search (BFS) Some variants of DFS and BFS Graph modeling. Prerequisites. Elementary graph theory Implementations of DFS and BFS. vertex. edge. What is a graph?.

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Chapter 22: Elementary Graph Algorithms II

Chapter 22: Elementary Graph Algorithms II. About this lecture. Depth First Search DFS Tree and DFS Forest Properties of DFS Parenthesis theorem (very important) White-path theorem (very useful). Depth First Search (DFS).

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On the Complexity of Join Predicates

On the Complexity of Join Predicates. Jeff Naughton with Jin-Yi Cai, Venkatesan Chakaravarthy,Raghav Kaushik, Jignesh Patel, Karthikeyan Ramasamy. Outline. What are joins and join predicates? What issues arise with respect to joins in the presence of new data types?

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Data Flow Analysis 2 15-411 Compiler Design

Data Flow Analysis 2 15-411 Compiler Design. Nov. 3, 2005. Recall: Data Flow Analysis. A framework for proving facts about program Reasons about lots of little facts Little or no interaction between facts Works best on properties about how program computes Based on all paths through program

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Graphs

Graphs. Motivation and Terminology Representations Traversals Variety of Problems. Graphs. A graph G consists of a set of vertices V together with a set E of vertex pairs or edges . G = (V,E) [in some texts they use G(V,E)]. Typically n nodes and m edges

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Data Structures & Algorithms Graph Search

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MA/CSSE 473 Day 14

MA/CSSE 473 Day 14. Strassen's Algorithm: Matrix Multiplication Decrease and Conquer DFS. MA/CSSE 473 Day 14. In-class exam (Friday, Sept 28) will cover Levitin chapters 1-3, 5, part of 4. Dasgupta excerpt (on ANGEL), class sessions 1-15, and HW 1-6. Student Questions

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Applications of BFS and DFS

Applications of BFS and DFS. CSE 2011 Winter 2011. Some Applications of BFS and DFS. BFS To find the shortest path from a vertex s to a vertex v in an unweighted graph To find the length of such a path To find out if a strongly connected directed graph contains cycles

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Tirgul 10

Tirgul 10. AVL Trees Graphs DFS sample questions.

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Distributed File system(DFS)

Distributed File system(DFS). --- A Logical View of Physical Storage By Rui Xie. Introduction. Network server component that makes it easier for you to find and manage data on your network. Dfs is a means for uniting files on different computers into a single name space

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Depth-First Search

Depth-First Search. Idea: Starting at a node, follow a path all the way until you cannot move any further Then backtrack and try another branch Do this until all nodes have been visited Similar to finding a route in a maze. DFS - Example. DFS(a) tree. f. b. b. b. f. f. a. a. a. a.

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