A

Admin • 828.03K Points
Coach

Q. A key of type is generated which is used later to join ngrams with their heads and tails in the reducer phase.

  • (A) gramkey
  • (B) primary
  • (C) secondary
  • (D) none of the mentioned
Explanation by: Admin
the gramkey is a composite key made up of a string n-gram fragment as the primary key and a secondary key used for grouping and sorting in the reduce phase.

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