ITPEC FE Morning October 2020 Question 64
When examples of utilizing big data are classified according to the feedback destination of the analysis and the reflection timing, which of the following utilization examples corresponds to D in the table below?
Explanation
Recommending nearby products on a member's smartphone from their location and purchase history — cell D is feedback to an individual customer, reflected immediately.
Classify each example on the two axes of the table: who receives the result (all customers or one customer) and when it is reflected (once every fixed period or immediately).
Answer (a)
Why not others:
- •(b) — coupons are tailored to each customer but issued once a month from last month's purchases, so the timing is a fixed period: cell C
- •(c) — the traffic status is current, but it is published on a website for everyone, not for one customer: cell B
- •(d) — the monthly ranking on in-store monitors is shown to all shoppers and changes once a month: cell A
Key rule: For a two-axis classification, place every option on both axes separately; a distractor usually matches one axis and fails the other.
Business Industry · AI-written, may contain errors
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