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The analysis of the related use cases considered in section 3.2 - Use Case Realization led to the identification of two sub-communities of the 21090 datatype support community, depicted in Figure 4.4-1. One sub-community (upper part in the figure) has an objective of providing operational support to the Information Role, while other sub-community has an objective of ensuring tool interoperability via ECCF conformance rules.
Figure 4.4-1 Combining Use Case Models in a Community Model
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