LEARNING OBJECTIVES. Problems with simple indexing. Multilevel indexing: B-Tree. B-Tree creation: insertion and deletion of nodes. B-tree complexity. Merging and redistribution Advantages of B-trees. Problems related to storing large indexes on the disk.

ByCSCE156: Introduction to Computer Science II Instructor Stephen Scott Website http://cse.unl.edu/~sscott/teach/?class=cse156F05 Welcome to CSE 156!! Introductions Syllabus Homework 0 Course preview Your First Assignment

ByComputer Programming with Logo. Glenn Bresnahan glenn@bu.edu. Synopsis. Introduction to computer programming and the Logo programming language Concepts of programming, computer languages and algorithms Programming constructs Combination of lecture and hands-on labs

ByCptS 121 Fall ‘09 Lecture 8-3. HK Chapter 8 : Arrays Lecture Outline Array Searching Array Sorting Multidimensional Arrays. Array Searching. Lots of motivating problems Find a name in the phone book Find a student in the class list

ByPython Programming: An Introduction to Computer Science. Chapter 13 Algorithm Design and Recursion. Objectives. To understand the basic techniques for analyzing the efficiency of algorithms. To know what searching is and understand the algorithms for linear and binary search.

ByDecision Trees and Information: A Question of Bits. Choice Tree. A choice tree is a rooted, directed tree with an object called a “choice” associated with each edge and a label on each leaf. Choice Tree Representation of S. We satisfy these two conditions: Each leaf label is in S

ByAlgorithms and Software. Chapter 7 Some of Chapter 8 Sections 17.2, 17.3. What If There Isn’t an “Obvious” Way. Square Root. = =. Square Root. = = =. Square Root. Hot Water. Iteration. Guacamole. Iteration. Iteration. The key idea: Make a first guess.

ByWordNet & FrameNet. Jennie Ning Zheng Linda Melchor Ferhat Omur. Contents. Introduction WordNet Application – WordNet Data Structure - WordNet FrameNet Application – FrameNet Data Structure – FrameNet Relevance with IA Q & A. WordNet. A semantic lexicon for the English language

ByProcesses, Threads, and Jobs. By: Shreya Vyas. Process Internals. Data Structures Kernel Variables Performance Counters Relevant Functions Flow of CreateProcess. Data Structures. Contains an executive process block. (EPROCESS) Contains executive thread blocks. (ETHREAD)

BySymbolic Execution and Proof of Properties. Symbolic Execution. Builds predicates that characterize Conditions for executing paths Effects of the execution on program state Bridges program behavior to logic Finds important applications in program analysis test data generation

ByEfficiency of Algorithms. Readings: [SG] Ch. 3 Chapter Outline: Attributes of Algorithms Measuring Efficiency of Algorithms Simple Analysis of Algorithms Polynomial vs Exponential Time Algorithms. Efficiency of Algorithms. Readings: [SG] Ch. 3 Chapter Outline: Attributes of Algorithms

ByA. B. C. A. B. C. Towers of Hanoi. Move n (4) disks from pole A to pole C such that a disk is never put on a smaller disk. A. B. C. Move n (4) disks from A to C Move n-1 (3) disks from A to B Move 1 disk from A to C Move n-1 (3) disks from B to C. Figure 2.19a and b

ByBinary Search Trees vs. Binary Heaps. Binary Search Tree Condition. Given a node i i.value is the stored object i.left and i.right point to other nodes All of i’s left children and grand-children are less than i.value

ByNP-Completeness. Problems Proofs Approximations. Decision Problems. Given Some Universal Set X, Let R be a subset of X. The decision problem for R is: Given an arbitrary element a of X, does a belong to R? Note: X is usually assumed to be a set of

ByBioinformatics & Algorithmics. www.stats.ox.ac.uk/hein/lectures. Strings. Trees. Trees & Recombination. Structures: RNA. A Mad Algorithm Open Problems. Questions for the audience. Complexity Results. Bioinformatics & Algorithmics.

ByProblem Solving 5 Using Java API for Searching and Sorting Applications. ICS-201 Introduction to Computing II Semester 071. Searching Algorithm: Binary Search. Java provides two binary search (02) methods: Arrays.binarySearch (for an array) Collections.binarySearch (for a List )

ByArray Algorithms. CS0007: Introduction to Computer Programming. Review. Arrays are… complex variables that can hold multiple values of the same data type. The size declarator indicates… the number of elements the array can hold. Individual values inside of an array are called…

ByChapter 8 – Searching and Sorting Arrays. 8.1 Introduction to Search Algorithms. A search algorithm is a method of locating a specific item of information in a larger collection of data. This section discusses two algorithms for searching the contents of an array. The Linear Search.

ByT eaching L ondon C omputing. A Level Computer Science Topic 2: Searching and Sorting. William Marsh School of Electronic Engineering and Computer Science Queen Mary University of London. Aims. Understanding and implement Linear search Binary search of sorted lists

ByVS 3 : V erification and S ynthesis using S MT S olvers SMT Solvers for Program Verification. Saurabh Srivastava * Sumit Gulwani ** Jeffrey S. Foster * * University of Maryland, College Park ** Microsoft Research, Redmond. What VS 3 will let you do! .

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