Question 1
What is a "Mapping Table" and why do I need one?
Answer to Q1
There are two types of mapping table; one for export and one for
import. You will need to create mapping tables for each of your
translators.
An Export Mapping Table is simply a structured tabular presentation that
has:
 | All the relevant CIS entities and attributes listed in the left
column. |
| All the corresponding native data entities in the right column. |
| A definition of how each item of information is mapped from the native
data
structures to populate the CIS entities and attributes described in a
central column,
together with the appropriate algorithm. |
This export mapping should also include the mapping of units from native to
neutral systems, and the algorithms required to convert the numerical values of
physical quantities from one system into another. An example of an export
mapping table is shown in Section 5.2 of the Implementation Guide (Publication
SCI-P-266).
An import mapping table is simply a structured tabular presentation that
has:
| All the relevant native data entities listed in the left column. |
| All the corresponding CIS entities and attributes in the right
column. |
| A definition of how each item of information is mapped from the CIS
structures to populate the native structures described in a central column,
together with the appropriate algorithm. |
This import mapping should also include the mapping of units from neutral to
native systems, and the algorithms required to convert the numerical values of
physical quantities from one system into another.
|
