What is a common thread in the examples discussed in this application case?

1. What is a common thread in the examples discussed in this application case?

2. Can you think of other data streams that might help give an early indication of sales at a retailer?

3. Can you think of other applications along the lines presented in this application case?

Application Case 7.2: Top 5 Investment Bank Achieves Single Source of the Truth

1. How can Big Data benefit large-scale trading banks?

2. How did MarkLogic infrastructure help ease the leveraging of Big Data?

3. What were the challenges, the proposed solution, and the obtained results?

Application Case 7.3: eBays Big Data Solution

1. Why did eBay need a Big Data solution?

2. What were the challenge, the proposed solution, and the obtained results?

Application Case 7.4: Understanding Quality and Reliability of Healthcare Support Information on Twitter

1. What was the data scientists main concern regarding health information that is disseminated on the Twitter platform?

2. How did the data scientists ensure that nonexpert information disseminated on social media could indeed contain valuable health information?

3. Does it make sense that influential users would share more objective information whereas less influential users could focus more on subjective information? Why?

Application Case 7.5: Using Social Media for Nowcasting the Flu Activity

1. Why would social media be able to serve as an early predictor of flu outbreaks?

2. What other variables might help in predicting such outbreaks?

3. Why would this problem be a good problem to solve using Big Data technologies mentioned in this chapter?

Application Case 7.6: Analyzing Disease Patterns from an Electronic Medical Records Data Warehouse

1. Why could comorbidity of diseases be different between rural and urban hospitals?

2. What is the issue about the huge difference between rural and urban patient encounters?

3. What are the main components of a network?

4. Where else can you apply the network approach?

Application Case 7.7: Salesforce Is Using Streaming Data to Enhance Customer Value

1. Are there areas in any industry where streaming data is irrelevant?

2. Besides customer retention, what are other benefits of using predictive analytics?

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