This includes identifying and understanding the information semantics, such as the meaning of the datamodel elements as well as structural information.
这包括确定和了解信息语义，如数据模型元素的含义以及结构信息等。
2
Structural differences between the datamodel and the XML representation can be handled in the binding, so the XML representation can generally be preserved even as the data model changes over time.
Concentrating on the conceptual and structural stage, a hierarchical data structure of the logical assembly model was presented, and the key components of it were analyzed.