Hypothesis Evaluation

class(A,mammal):-milk(A),legs(A,4).

⇔

Create View tmpview AS

SELECT DISTINCT T1.name, T1.class

FROM animals T1

WHERE T1.class =‘mammal’

AND T1.milk = ‘yes’

AND T1.legs = 4

Select COUNT(*)

From tmpview

• Create view representing a candidate hypothesis

• Use aggregation function “Count” to count the number of covered examples

  • Covered examples correspond to the tuples obtained by the View

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