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Goals are related in a hierarchical format where you find some goals are dependent on other sub goals for them to be complete which means all the sub goals must be achieved for the main goal to be achieved. There is other goals where only one of the goals need to be fulfilled for the main goal to be achieved. In goal modeling, there is use of deontic operator which falls in between the context and achieved state<ref name=emml2>J. Krogstie (2005) EEML2005: EXTENDED ENTERPRISE MODELING LANGUAGE </ref>. Goals apply to tasks, milestones, resource roles and resources as well and can be considered as action rule for at task. EEML rules were also possible to although the goal modeling requires much more consultation in finding the connections between rules on the different levels<ref name=eeml3>John Krogstie (2008) Using EEML for Combined Goal and Process Oriented Modeling: A Case Study. IDI, NTNU,Trondheim, Norway. Proceedings of EMMSAD 2008.</ref>. Goal-oriented analysis focuses on the description and evaluation of alternatives and their relationship to the organizational objectives <ref name=eeml4> Mylopoulos, Chung, and Yu (1999) : “From Object-oriented to Goal-oriented Requirements Analysis”. Communications of the ACM, January</ref>.
==Benefits of using EEML==
From a general point of view, EEML can be used like any other modeling languages in numerous cases. However we can highlight the virtual enterprise example, which can be considered as a direct field of application for EEML with regard to Extended Enterprise planning, operation, and management.
- Knowledge sharing: Create and maintain a shared understanding of the scope and purpose of the enterprise, as well as viewpoints on how to fulfil the purpose.
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