COMP3430 / COMP8430 Data wrangling Lecture 13: Data cleaning for record linkage and blocking (1) (Lecturer: ) Lecture outline ● Short review: The record linkage process ● Data pre-processing for record linkage ● Why blocking / indexing? ● Basic blocking techniques What is record linkage? ● The process of linking records that represent the same […]
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COMP3430 / COMP8430 Data wrangling Interactive lecture week 9: Assignments, labs, and summary of week 9 (Lecturer: ) Lecture outline ● Administrative matters – Assignments, Labs, and Exam ● Questions on Wattle ● Summary of week 9 ● Q and A Session Labs ● We had lab 6 this week, continuation of the record linkage
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Peyrin & S 161 Summer 2020 Computer Security Final Exam For questions with circular bubbles, you may select exactly one choice on Gradescope. Unselected option Only one selected option For questions with square checkboxes, you may select one or more choices on Gradescope. You can select multiple squares For questions with a large box, you
CS 161 Computer Security 2020 For questions with circular bubbles, you may select exactly one choice on Gradescope. Unselected option Only one selected option For questions with square checkboxes, you may select one or more choices on Gradescope. You can select multiple squares For questions with a large box, you need to write your answer
Nicholas & Peyrin CS 161 Summer 2021 Computer Security For questions with circular bubbles, you may select exactly one choice on Examtool. Unselected option Final Only one selected option For questions with square checkboxes, you may select one or more choices on Examtool. You can select multiple squares For questions with a large box, you
COMP3430 / COMP8430 Data wrangling Lecture 5: Data quality assessment and data profiling (Lecturer: ) Lecture outline Data quality assessment Data quality dimensions Data profiling Data visualisation Data profiling tools Summary ● ● ● ● ● ● 2 Data quality Real-world data are dirty, especially personal data are prone to errors Various sources of errors:
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COMP3430 / 8430 Data wrangling Lecture 11: Schema mapping and matching (Lecturer: ) Based on slides by Prof Erhard Rahm (University of Leipzig and ScaDS, Germany) Lecture outline ● The schema matching problem ● Examples of schema matching applications ● Schema matching techniques Note: The terms schema matching and mapping are often used interchangeably The
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COMP3430 / 8430 Data wrangling Lecture 10: Overview of data integration (Lecturer: ) Lecture outline ● What is data integration ● Example of data integration ● Main data integration tasks ● Example application: Woo by Yahoo! What is data integration? (1) ● In many organisations there is an increasing quest to integrate data from different
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Popa Spring 2018 CS 161 Computer Security , will be reported to the Center for Student Conduct. Sign your name: Print your class account login: cs161- Name of the person sitting to your left: Midterm 1 Print your name: I am aware of the Berkeley Campus Code of Student Conduct and acknowledge that academic misconduct
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Popa & 2016 CS 161 Computer Security Final Exam Print your name: , (last) (first) I am aware of the Berkeley Campus Code of Student Conduct and acknowledge that any academic misconduct on this exam will lead to a “F”-grade for the course and that the misconduct will be reported to the Center for Student
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