Computers are useless. They can only give you answers.
Those concerned with the EAI problem and solution define EAI at either the data model level or the business model level. They further break the business model level into three distinct types: the application interface level, the method level, and the user interface level. These distinctions result from the dynamic nature of application interfaces and the range of features and/or functions that each interface provides, as well as the design patterns they employ.
In addition to considering the two model levels, this chapter must also address the work that has been devoted to creating and using application interfaces. The simple fact ...