Game Trees – The Minimax Method

Game Trees – The Minimax Method. Anthony Brown COT 4810 January 25, 2008. Minimax. Mini mize your max imum losses Works best on: Complete information games Two Person games Zero-Sum games Opponent is logical. Minimax History. Money Money Money John Von Neumann Chess Chess Chess

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Game Trees

Game Trees. Introduction to Artificial Intelligence COS302 Michael L. Littman Fall 2001. Administration. Questions? Anything on Rush hour? HW reminder: Opportunity for feedback. Not seeking perfection!. Search in Games. Consider tic-tac-toe as a search problem. States, neighbors, goal?.

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Minimum Spanning Trees and Clustering

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Game Trees

Game Trees. Ryan Wilson. Chapter 6. Trees – A Review. Trees are a collection of nodes A Tree has a root node and zero or more sub-trees. Root Node. A. B. E. G. C. D. F. H. I. An Example Tree. Common Traversal Algorithm. Function TraverseTree( node ) visit( node )

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Clustering, Phylogenetic Trees, and Inferences about Evolution

Clustering, Phylogenetic Trees, and Inferences about Evolution. BMMB597E Protein Evolution. Given a set of organisms:. Can we measure similarities, and cluster the organisms into subsets?

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Clustering of Phylogenetic Trees by Clique Partitioning

Clustering of Phylogenetic Trees by Clique Partitioning. Walker Pett Divya Mistry. Motivation. Problems with classical methods Produce a single consensus tree based on some scoring metric Poorly resolved or hard to interpret Problem with current methods (e.g. K-means)

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Clustering Metabolic Networks Using Minimum Cut Trees

Multi Match H. sapiens Methionine metabolism / Cysteine metabolism . Clustering Metabolic Networks Using Minimum Cut Trees Ryan Kellogg 1 , Allison Heath 2 , Lydia Kavraki 2,3 1 Carnegie Mellon University, Department of Electrical & Computer Engineering,

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Clustering: Partition Clustering

Clustering: Partition Clustering. Lecture outline. Distance/Similarity between data objects Data objects as geometric data points Clustering problems and algorithms K-means K-median K-center. Inter-cluster distances are maximized. Intra-cluster distances are minimized.

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Minimum Spanning Trees and Clustering

Minimum Spanning Trees and Clustering. By Swee-Ling Tang April 20, 2010. Spanning Tree. A spanning tree of a graph is a tree and is a subgraph that contains all the vertices. A graph may have many spanning trees; for example, the complete graph on four vertices has sixteen spanning trees:.

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Backtracking and Game Trees

Backtracking and Game Trees. 15-211: Fundamental Data Structures and Algorithms. April 17, 2003. A. X O X O X O X O O. B. C. D. Backtracking. Backtracking. An algorithm-design technique “Organized brute force” Explore the space of possible answers Do it in an organized way

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Trees! Trees! Trees!

Trees! Trees! Trees!. Vincent Van Gogh’s Starry Night. vangoghgallery.com. Gustav Klimt’s Tree of Life. truthbook.com. Elements of Art. The seven elements of art are the building blocks of art . You can not make visual art without them!

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Matching DOM Trees to Search Logs for Accurate Webpage Clustering

Matching DOM Trees to Search Logs for Accurate Webpage Clustering. Deepayan Chakrabarti Rupesh Mehta. Data extraction. Website-specific wrappers. Structured DB. (product_name, price, rating). Webpages from a site. Wrapper 1. Data Extraction.

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Backtracking and Game Trees

Backtracking and Game Trees. 15-211: Fundamental Data Structures and Algorithms. April 8, 2004. A. X O X O X O X O O. B. C. D. Backtracking. Backtracking. An algorithm-design technique “Organized brute force” Explore the space of possible answers Do it in an organized way

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Clustering

Clustering. Distance Measures Hierarchical Clustering k -Means Algorithms. The Problem of Clustering.

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Clustering

Clustering. Notes 9 Slides created by Jeffrey Ullman. The Problem of Clustering. Given a set of points, with a notion of distance between points, group the points into some number of clusters , so that members of a cluster are in some sense as close to each other as possible. Example. x

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Clustering

Clustering. Inter-cluster distances are maximized. Intra-cluster distances are minimized. The Problem of Clustering.

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Clustering

Clustering. Clustering Techniques. Partitioning methods Hierarchical methods Density-based Grid-based Model-based. Types of Data. Data Matrix x 11 … x 1f … x 1p . . . x i1 … x jf … x ip . . . x j1 … x jf … x jp Dissimilarity Matrix 0

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Clustering

Clustering. CS 685: Special Topics in Data Mining Jinze Liu. Outline. What is clustering Partitioning methods Hierarchical methods Density-based methods Grid-based methods Model-based clustering methods Outlier analysis. Recap of K-Means. Family Tree. Evolution Tree. Step 0. Step 1.

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Backtracking and Game Trees

Backtracking and Game Trees. 15-211: Fundamental Data Structures and Algorithms. Margaret Reid-Miller 5 April 2005. Announcements. HW5 now available! May do in groups of two. Review in recitation No fancy data structures except trie! Due Monday 11:59 pm. A. X O X O X O X O O. B. C.

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Clustering

Clustering. Genome 559: Introduction to Statistical and Computational Genomics Elhanan Borenstein. Some slides adapted from Jacques van Helden. A quick review. Gene expression profiling

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Searching Game Trees

Searching Game Trees. Searching Game Trees. Ένα παιχνίδι είναι μια σειρά εναλλαγών, όπου κάθε εναλλαγή είναι μια επιλογή κίνησης από τον παίχτη, η κίνηση που εκτελείται και ο καθορισμός του επόμενου παίχτη. The top-level statement play(Game) :- initialize(Game,Position,Player),

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Trillion Trees Game for gamers, game developers and game publishers

Trillion Trees Game for gamers, game developers and game publishers Change Games and Greening Deserts founder started a new project development for 'Trillion Trees: The Game', a future game and platform to unite game developers, gamers and game publishers for biodiversity conservation, ecological and environmental concerns. http://trilliontreesinitiative.com/ trillion trees, game, app, climate games, ecogames, ecological education, environmental games, gameplay, gamification, games, serious games, social games

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