Exploiting Sharing Join Opportunities in Big Data Multiquery Optimization with Flink

Algorithm 3

Update reused opportunity weight.

	Input:
	Output:
	/∗ updating each DAG graph with respect to reused type and length of reused results in terms of histogram, metadata∗/
(1)	foreach do
(2)	foreachdo
(3)	foreachdo
(4)	;
(5)
(6)	)
(7)
(8)	Weight
(9)	End.