問題文
Thousands of alerts arrive each day and many appear to describe the same underlying activity. Which analytic technique reduces that volume for the analysts?
選択肢
- Ranking the alerts by the age they carry so that one recent case leads the whole batch.
- Grouping the alerts by the features they share so that one representative case carries the whole group.
- Splitting the alerts by the source they name so that one system case opens a whole behavior.
- Sampling the alerts by the rate they reach so that one in every ten cases enters the whole review.