Further info: http://www.cs.concordia.ca/~faculty/bcdesai/cindi-system-1.0.html
<semhdr> <title> required </title> <alt-title> OPTIONAL </alt-title> <Subject> a list each of which includes fields for subject and up to two levels of sub-subject: at least one entry is required </Subject> <char-set> character set used: OPTIONAL </char-set> <language> of the information resource: OPTIONAL </language> <author> required a list each of which includes name, organization, address, etc. of each person/institute responsible for the information resource: at least the name or the organization and address is required </author> <Keyword> required: a list of keywords </Keyword> <Publisher> OPTIONAL in case of a published version </Publisher> <PublPlace> OPTIONAL in case of a published version </PublPlace> <Code>OPTIONAL in case of a published version </Code> <Dates> <Created> required: </Created> <Expiry> OPTIONAL </Expiry> <Updated> system generated </Updated> </Dates> <Version> OPTIONAL: version of the resource </Version> <Coverage> OPTIONAL: nature of the resource </Coverage> <Classification> OPTIONAL: security level of the resource </Classification> <URL> A list of locations (URL) Unique Universal Resource Locator/Call No for this resource: at least one required </URL> <URN> unique name of the resource (URN) </URN> <UAS> site where the item is to be archived </UAS> <Abstract> OPTIONAL but recommended </Abstract> <Annotation> OPTIONAL </Annotation> <SysReq> OPTIONAL: list of requirements in hardware and software <Hardware> OPTIONAL: list of hardware required </Hardware> <Software> OPTIONAL: list of software required </Software> </SysReq> <size> size of the resource in bytes </size> <Cost> OPTIONAL: cost of accessing the resource </Cost> <control>account number <password> required: encoded password or digital signature of provider of resource for initial entry and subsequent update </password> <signature> digital signature of the resource for authentication </signature> </control> </semhdr>