start_date
Start Date
Date on which the document starts being free-to-read or begins the
given license, as defined in NISO RP-22-2015, Access License and
Indicators.
Remarks
Best Practice: NISO RP-22-2015 recommends
that the start date be given in the ISO-8601 format “YYYY-MM-DD”, without inclusion of a time or a time zone.
Used on Elements: <ali:free_to_read>, <ali:license_ref>
| Value | Meaning |
|---|---|
| Text, numbers, or special characters | The ISO 8601 date on which the document starts being free-to-read or begins the given license. |
| Restriction | @start_date is an optional attribute; there is no default. |
Example 1
Free-to-read flag with both start and end dates. After
the end date, the document will have different, non-free licensing arrangements.
... <permissions> <ali:free_to_read xmlns:ali="http://www.niso.org/schemas/ali/1.0/" start_date="2014-01-01" end_date="2014-12-31"/> </permissions> ...
Example 2
An example of licensing and usage rights changing over time. The content is under a
proprietary license at first (initial publication) and then under a CC BY license a year later.
... <permissions> <license> <ali:license_ref xmlns:ali="http://www.niso.org/schemas/ali/1.0/" start_date="2014-02-03"> http://www.psychoceramics.org/license_v1.html</ali:license_ref> <ali:license_ref xmlns:ali="http://www.niso.org/schemas/ali/1.0/" start_date="2015-02-03"> http://creativecommons.org/licenses/by/3.0/</ali:license_ref> </license> </permissions> ...