Software Requirements Specification
Appendix B: Database Fields
The following tables describe the data and information required. It is organized by topic.
This table contains all the accounts for registered users.
Table 3: Account Information
A user login name. This must be unique in the system (no two users can have the same login name). The login name may be upto 32 characters long.
A valid email address. Valid email addresses must have the following format:
<username> @ <hostname> <. Subdomain>+ . <domain>
The username in the email does not need to match the login name.
A pass phrase used to access the system. Pass phrases must be at least 4 characters long, and they may be up to 256 characters. Spaces and special characters are allowed. Pass phrases are case sensitive.
The name (title, first, middle, and last) of the account holder.
The physical mail address of the account holder. Work and fax phone numbers (optional).
The name and location of the organization and department with which the account holder is affiliated.
The type of user: Visitor, Provider, Validator, Administrator.
This table contains all the metadata for the system.
Table 4: Metadata
The internet location of the data described by this metadata entry
A brief (80 character) phrase used to identify the data set.
A natural language description of the dataset described by this metadata entry. Descriptions can be up to 10,000 characters.
The name and contact information for the organization sponsoring the URL.
The sensor used to collect the data.
The minimum and maximum latitudes and longitudes bounding the dataset.
A Boolean flag that when true, indicates the metadata has been validated and is available to the general public.
User name of validator and the date and time of validation. Also, notes added by validator such as justification for rejection.
Software or Dataset
This table contains all the sensors and their respective attributes.
Table 5: Instrument Information
Instrument title, such as Landsat.
Description of the cost structure.
Natural language description of instrument, up to 10,000 characters.
Software Engineering II
CS 4311 Fall 2004
9/2/2004 4:15 PM