A Session-Based Song Recommendation Approach Involving User Characterization along the Play Power-Law Distribution

Algorithm 1

Computing session-based implicit ratings and user playing coefficients (UPCs).

(1)	,
(2)
(3)
(4)	Set value
(5)	fordo
(6)	fordo
(7)
(8)	end for
(9)	end for
(10)	for do
(11)
(12)
(13)	fordo
(14)	Set value
(15)
(16)	end for
(17)	end for
(18)
(19)	for do
(20)
(21)
(22)	end for
(23)
(24)
(25)	for do
(26)
(27)
(28)
(29)	end for
(30)	for do
(31)
(32)
(33)	end for
(34)	for do
(35)
(36)	end for
(37)	,
(38)	Output: R and UPC