Log Pattern Mining for Distributed System Maintenance

Algorithm 2

Obtain the best refinements for pattern .

Input: pattern , sequence , singleton event set and candidate refinement map
(1)	function OBTAINREFINEMENTS (, , , )
(2)	fordo
(3)
(4)	for do
(5)	REFINE ()
(6)	ifthen
(7)
(8)	end if
(9)	end for
(10)	ifthen
(11)	add to
(12)	end if
(13)	end for
(14)	end function