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Table 4 Precedence table for the change request in the travel scenario

From: Incremental stages of a semantic framework for automating the changes on long term composed services

Services Services Operators Composition operators
S1 S2 S3 S4 S5 OP1 OP2 OP3 OP4 OP5 / *
S1 .> .> .> .> .> .> .> .> .> .> .>
S2 <. .> .> .> <. .> .> .> .> .> .>
S3 <. <. .> = <. <. .> = .> .> .>
S4 <. <. <. .> .> <. = .> .> .> .>
S5 <. <. = .> <. <. <. <. .> .> .>
/ <. .> .> .> <. <. .> .> .> .> = .>
* <. <. <. <. <. <. <. <. <. .> <. =