Big Data correct answers high-volume, velocity, and variety information assets that demand
cost-effective, innovative forms of information processing for enhanced insight and decision
making."
structured data correct answers can be processed, stored, and retrieved in a fixed format. It refers
to highly organized information that can be readily and seamlessly stored and accessed from a
database by simple search engine algorithms.
ex) employee table
unstructured data correct answers refers to the data that lacks any specific form or structure
whatsoever. This makes it very difficult and time-consuming to process and analyze unstructured
data.
ex) email
semi-structured data correct answers pertains to the data containing both the formats mentioned
above, that is, structured and unstructured data. To be precise, it refers to the data that although
has not been classified under a particular repository (database), yet contains vital information or
tags that segregate individual elements within the data.
ex) twitter
Advantages of Big Data correct answers predictive analysis, customer insight, accuracy, business
productivity, 'personalized' insight
Data Ethics correct answers the norms of behavior that promote appropriate judgments and
accountability when acquiring, managing, or using data, with the goals of protecting civil
liberties, minimizing risks to individuals and society, and maximizing the public good.
Principles for data ethics: Private customer data and identity should remain private correct
answers Privacy does not mean secrecy, as private data might need to be audited based on legal
requirements, but that private data obtained from a person with their consent should not be
exposed for use by other businesses or individuals with any traces to their identity.
Principles for data ethics: Shared private information should be treated confidentially correct
answers Third party companies share sensitive data — medical, financial or locational — and
need to have restrictions on whether and how that information can be shared furthe
Principles for data ethics: Customers should have a transparent view correct answers of how our
data is being used or sold, and the ability to manage the flow of their private information across
massive, third-party analytical systems
Principles for data ethics: Big Data should not interfere with human will: correct answers Big
data analytics can moderate and even determine who we are before we make up our own minds.
Companies need to begin to think about the kind of predictions and inferences that should be
allowed and the ones that should not