A Cost-Effective Planning Graph Approach for Large-Scale Web Service Composition

Table 1

The example of Web services.

Web service	Input parameters	Output parameter
W1	A, B, C	E, F
W2	A, B	H
W3	D, E	I
W4	E, F	J
W5		K, L
W6	G	L
W7	H	M
W8	I, J, K	M, N
W9	L	N