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Telefonica Brasil is one of the largest telecommunications companies in Brazil, and it provides landline and mobile services under the brand name Vivo for millions of consumers. The company is considering using big data to perform customer churn analysis in order to anticipate when a customer is unhappy and likely to drop its service for that of a competitor. 1. What sources of data might Telefonica Brasil use to perform customer churn analysis?

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Principles of Information Systems ...

13th Edition
Ralph Stair + 1 other
Publisher: Cengage Learning
ISBN: 9781305971776
BuyFind

Principles of Information Systems ...

13th Edition
Ralph Stair + 1 other
Publisher: Cengage Learning
ISBN: 9781305971776

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Chapter
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Chapter 5.4, Problem 1RQ
Textbook Problem
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Telefonica Brasil is one of the largest telecommunications companies in Brazil, and it provides landline and mobile services under the brand name Vivo for millions of consumers. The company is considering using big data to perform customer churn analysis in order to anticipate when a customer is unhappy and likely to drop its service for that of a competitor.

1. What sources of data might Telefonica Brasil use to perform customer churn analysis?

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Explanation of Solution

Sources of data are used in Telefonica Brasil to perform customer churn analysis:

To perform customer churn analysis, the Telefonica Brasil might use the following sources of data:

  • Telecom Brasil Company can use customer behavior data and customer demographic data such as age, income level, educational detail and employment status and so on...

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Chapter 5 Solutions

Principles of Information Systems (MindTap Course List)
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Ch. 5.3 - What additional questions need to be answered...Ch. 5.3 - How might such a move affect you and your role?Ch. 5.4 - Telefonica Brasil is one of the largest...Ch. 5.4 - Telefonica Brasil is one of the largest...Ch. 5.4 - Telefonica Brasil is one of the largest...Ch. 5.4 - Telefonica Brasil is one of the largest...Ch. 5.5 - What sources of data might Telefonica Brasil use...Ch. 5.5 - What database technology options might the firm...Ch. 5.5 - Why is it unlikely that a traditional SQL database...Ch. 5.5 - In addition to a database management system, what...Ch. 5 - A field or set of fields that uniquely identifies...Ch. 5 - The key concept of the database approach to data...Ch. 5 - A(n) _________ provides an organizational-level...Ch. 5 - The ______________ model is a simple but highly...Ch. 5 - The ability to combine two or more tables through...Ch. 5 - SQL databases conform to ACID properties, which...Ch. 5 - The process of detecting and then correcting or...Ch. 5 - Because the DBMS is responsible for providing...Ch. 5 - A(n) ______________ is an individual responsible...Ch. 5 - Data administrators are skilled and trained IS...Ch. 5 - With ______________, the database is stored on a...Ch. 5 - Three characteristics associated with big data...Ch. 5 - The Data Management Association has defined 10...Ch. 5 - A(n) _______________ database provides a means to...Ch. 5 - Hadoop has two primary componentsa data processing...Ch. 5 - An ______________ is a database management system...Ch. 5 - How would you define the term database? How would...Ch. 5 - In the hierarchy of data, what is the difference...Ch. 5 - What is meant by the database approach to data...Ch. 5 - What is meant by data archiving? Why is this an...Ch. 5 - What is an entity-relationship diagram, and what...Ch. 5 - Identify four basic data manipulations performed...Ch. 5 - What is data scrubbing?Ch. 5 - What is database as a service (DaaS)? What are the...Ch. 5 - What is Hadoop? What are its primary components,...Ch. 5 - What is a schema, and how is it used?Ch. 5 - What is concurrency control? Why is it important?Ch. 5 - What is in-memory database processing, and what...Ch. 5 - What is the difference between projecting and...Ch. 5 - What is big data? Identify three characteristics...Ch. 5 - What is a data warehouse, and how is it different...Ch. 5 - What is a data lake, and how is it different from...Ch. 5 - How does an in-memory database provide fast access...Ch. 5 - What concerns might be raised by performing data...Ch. 5 - Outline some specific steps an organization might...Ch. 5 - SQL databases conform to ACID properties. Briefly...Ch. 5 - Describe how a NoSQL database differs from a...Ch. 5 - Identify and briefly describe the steps in the ETL...Ch. 5 - Identity theft, where people steal personal...Ch. 5 - Develop a simple data model for a student database...Ch. 5 - Describe the role of a database administrator....Ch. 5 - How could you use big data to do a better job at...Ch. 5 - Identify some of the challenges associated with...Ch. 5 - Would WholeWorldBand be likely to employ SQL,...Ch. 5 - Go to the WholeWorldBand Web site at...Ch. 5 - One of the advantages of a Hadoop implementation...Ch. 5 - Explain how the three characteristics of big data...Ch. 5 - How might Mercy benefit from an enterprise data...

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