1. ------------------------------------------------- Types of searching 2.1 Binary search tree In computer science‚ a binary search tree (BST) is a node based binary tree data structure which has the following properties: * The left subtree of a node contains only nodes with keys less than the node ’s key. * The right subtree of a node contains only nodes with keys greater than the node ’s key. * Both the left and right subtrees must also be binary search trees. From the
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Task 3 links to learning outcome 1‚ assessment criteria 1.3. • Confidentiality and data protection are vital when running a home based childcare service. Write an explanation of the importance of both. Confidentiality The definition of ‘confidential’ is; 1. Done or communicated in confidence; secret. 2. Entrusted with the confidence of another: a confidential secretary. 3. Denoting confidence or intimacy: a confidential tone of voice. 4. Containing information‚ the unauthorised
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CIS 501: Information Systems for Managers Data Mining Problems Introduction Problem 1: Data-Based Decision Making Problem 2: Market Basket Analysis: Association Analysis Problem 3: Market Basket Analysis: Concept Tree/Sequence Analysis Problem 4: Decision Tree Problem 5: Clustering/Nearest Neighbor Classification Problem 6: Clustering Problem 1: Data-Based Decision Making Supermarket Product Placement Suppose that we are responsible for managing product placement within a
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POLYMER DATA HANDBOOK *Home *Browse/Search Contents *Browse by Polymer Class *Browse the Index *Online help Copyright © 1999 by Oxford University Press‚ Inc. EDITED BY JAMES E. MARK‚ UNIVERSITY OF CINCINNATI PUBLISHED BY OXFORD UNIVERSITY PRESS The online version of the Polymer Data Handbook includes key data on over two hundred polymers. Please note that entries are presented as PDF files and can only be read using Adobe Acrobat Reader Version 3. If you do not have the freeware reader‚
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Crime Data Comparison Crime Data Comparison Crime is being committed every second of each day around the world. Citizens of certain communities view crime as unwanted and causes of unnecessary stressors‚ although citizens from the lower class society view crime as a normal standard for everyday life. Certain crimes across the United States can be directly associated with gender‚ ethnicity. For instance‚ woman shoplift more than a man‚ and men conduct more violent offenses such as murder
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Effectiveness of Health Data Exchange Introduction: The major goal for moving towards the electronic health care exchange is to have improvement in the health care and also have the lowering of costs. The health care is seen to be one of the largest segments which account for 20% of the US GDP. Research has shown that Health Information Exchanges (HIEs) has provided the HITECH (Health Information Technology for Economic and Clinical Health) which gas made more than $15.5 billion available to the
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Big data is the term for a collection of data sets so large and complex that it becomes difficult to process using on-hand database management tools or traditional data processing applications. The challenges include capture‚ curation‚ storage search‚ sharing‚ transfer‚ analysis and visualization. At multiple TERABYTES in size‚ the text and images of Wikipedia are a classic example of big data. As of 2012‚ limits on the size of data sets that
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student’s performance data and use it as a metric to measure a student’s ability to keep on a track that has worked for previous students. The universities collect the data from students from many years to help improve the learning experience of future students so that they may determine a students a current progress in a class and how it compares to others that have preceded them to allow the university to counsel the student if they are falling behind. In “Ethics‚ Big Data‚ and Analytics: A Model
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Data protection & security What is Data Protection and Security ? This is the protection of data such as database from accidental‚ unauthorised or malicious access Data Protection Act Data protection Act controls and monitors the way personal and customer information is been used by organisations. The Data Protection Act 1998 (DPA 1998) is an Act of the UK parliament that defines the ways in which peoples information is been handed. 8 Data Protection Act Principles • Data must be Processed
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What is a data flow diagram? Why do systems analysts use data flow diagrams? Answers: A picture of the movement of data between external entities and the processes and data stores within a system. Systems analysts use DFDs to help in the analysis phase by accomplishing the following three things: 1. Requirements Determination 2. Requirements Structuring 3. Alternative Generation and Selection 3. Explain the rules for drawing good data flow diagrams. Answers: Process: A. No process can have only
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