Mobile Computing COMP5216 Week 12 – Course Review Semester 2, 2020 Dr. Kanchana Thilakarathna School of Computer Science The University of Sydney Page 1 Final Project Evaluations – Well done everyone ! – Every group presented and demonstrated a final product. – Evaluation process – The overall app – In class (3 evaluators) and offline […]
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3-16. ARTIFICIAL INTELLIGENCE — MODEL ANSWERS 1. The question tests basic understanding of Prolog, data structures and recursion. It should have been relatively straightforward for anyone who and been to the lectures and done all the lab exercises. The ‘nasty’ was in Part (b), where the question does not specify what to do with the
3-16. ARTIFICIAL INTELLIGENCE 1. One way for writing Regular Expressions uses a single character as itself, uses the plus symbol (+) to indicate that there should be one or more instances of the preceding char- acter, and the zero symbol (0) to indicate that there should be zero or more instances of the preceding character.
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3-16. ARTIFICIAL INTELLIGENCE 1. A Binary Search Tree (BST) is a particular type of dynamic data structure that uses a key for search and storage of data items. These keys are kept in sorted order. Each node of a BST stores a unique key (e.g. an integer) and (optionally) a value asso- ciated with that
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Chapter 13: External Sorting Ed Knorr, Fall 2020 Based on: (a) Chapter 13 (pages 421-436), but skip Section 13.3.1 on “Minimizing the Number of Runs” on pages 428-430, and skip Section 13.4.2 on “Double Buffering” on page 432) of Ramakrishnan & Gehrke (textbook); (b) Garcia-Molina, Ullman, & Widom (reference text); (c) Some CPSC 221 Review
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CS5481 Data Engineering Assignment 2 Deadline: 23‐OCT‐2020 (Friday), 3:00pm (late submission will NOT be accepted) Points to note: ▪ Different books may have slightly different descriptions of concepts, estimation, algorithms and terminologies. To ensure fair assessment and uniformity in marking, you must follow the convention used in the lecture slides or our textbook (Database System
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Page 2 Q1. b Page 3 Q2(a): Sample Solutions to Midterm #2 # bytes in the key = 4 + 4 = 8 floor (4096 bytes/leaf page / (8 + 10) bytes/data entry ) = 227 DE/leaf page # of records is determined by: 200 mines * 10 years * 365.25 days/year = 730,500 records
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Sample Solutions to Midterm #1 You can ask the TAs or me (Ed) for more detailed explanations during office hours; however, all mark changes must go through me. Page 2 Q1. d, e Q2. e Q3. a,b,c,e Page 3 Q4. a) ( 16,384 sectors/track / 4 sectors/page ) = 4,096 pages/track 4,096 pages/track * 16
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Mobile Computing COMP5216 Week 04 Semester 2, 2020 Dr. Kanchana Thilakarathna School of Computer Science The University of Sydney Page 1 Announcements – It’s great that you are talking…! – What should be in the proposal? – App: background, related work, significance, requirements, and etc; – Solution: explain how you are going to implement your
Concurrency Control Ed Knorr, Slides from Fall 2020, CPSC 404 Based on: Chapter 17 of Ramakrishnan & Gehrke (textbook), but building on the content of Chapter 16, with some notes from George Tsiknis. 1 Learning Goals Explain why a serializable schedule is often a desirable schedule. Given a set of transactions, determine whether
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