Class Name: Source

Superclass - SEDRIS Abstract Base

Definition

A description of a source or intermediate dataset used during data generation. The term 'source' is used loosely, and covers intermediate forms and final products as well as the original data sources.

Primary Page in DRM Diagram:

• 20

Secondary Pages in DRM Diagram:

• 10
• 21
• 22

Example

1. Description of a VPF database used as a source of feature information.

FAQs

What is the purpose of this class?

This class provides a mechanism for documenting the sources used in environmental database generation. It can also be used to document intermediate forms of the data, as well as final products. In conjunction with the Process class, this class can be used to construct a network-like description of the database generation process, consisting of processing steps linked by their input and output data. This class uses a Citation component to refer to the source data, so it has the flavor of a bibliographical reference, and can be used to refer to books, maps, presentations, or any other type of 'publication', as well as to digital data sets. Each Source object includes a field in which the nature of the contribution of each source to the result can be described.

Constraints

• Distinct Link Objects
• Mandatory Metadata

Associated by (one-way)

• optionally, some Process through In Outs

Composed of (one-way)

• one Time Interval (notes)

Composed of (one-way metadata)

• one Citation (notes)

Component of (one-way)

• optionally, some Data Qualities
• optionally, some Images
• optionally, some Sounds
• optionally, some Symbols

Field Elements

Notes

Composed of Notes

Citation

 citation for the source data set (Mandatory)

Time_Interval

 time period described by the source data set (Mandatory)

Fields Notes

description

 description of the source data set (Mandatory)

scale

 scale of the source data set (e.g., 24000 for a "1:24,000" scale)

contribution

 what the source data set contributes to the result (Optional)