Tango.info object id: Difference between revisions
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! char as regex | ! char as regex | ||
! note | ! note | ||
|- | |||
| 0-9 | |||
| | |||
|- | |- | ||
| a-zA-Z | | a-zA-Z | ||
| | |||
|- | |- | ||
| | | _ | ||
| | | | ||
* if a space shall be presented | |||
* used inside youtube ids | |||
|- | |- | ||
| - | | - | ||
| | | | ||
* to increase readability, e.g. in [[ISO 8601]] data representation | |||
*to increase readability, e.g. in [[ISO 8601]] data representation | * for concatenation, e.g. in [[TINT]] | ||
* used inside youtube ids | |||
|- | |- | ||
| / | | / | ||
| | | | ||
* concatenation, e.g. in file system | |||
* used in [[discID]] and [[tzid]] | |||
|- | |- | ||
| . | | . | ||
| | | concatination, when / is not available, e.g. in file names | ||
|} | |} | ||
===Transformations=== | ===Transformations=== | ||
In path names the "/" is used. If "/" cannot be used the general recommendation is to use the "." instead. | In path names the "/" is used. If "/" cannot be used the general recommendation is to use the "." instead. | ||
That also means the . and / are to be avoided inside ids, if possible. | |||
== Listing == | == Listing == | ||
See [[tango.info object id | See [[tango.info object id system]]. | ||
== Subsets == | == Subsets == | ||
Latest revision as of 2018-07-05T13:13:48
Definition
A tango.info object id is a tango.info object name that identifies exactly one tango.info object.
Descriptive information
Each id has an authority that issued the id.
Format
The string fits the regex [-._ /:A-Za-z0-9]+
Currently the ":" is used only in the time component[1] of an ISO 8601 identifier.
Currently the "/" is used only in
- the disc ID.
- timezone id
Currently the "_" is used only in the youtube videoID.
Currently the "." is used only in the
- tango.info youtube video id, format: youtube.<youtube video id>
- tango.info ipi person id, format: ipi.<IPI-13 number>
Currently case sensitivity only exists in
- the youtube videoID.
- the ISWC
Preferences
For object identifiers the char preferences are given by the following order:
| char as regex | note |
|---|---|
| 0-9 | |
| a-zA-Z | |
| _ |
|
| - | |
| / | |
| . | concatination, when / is not available, e.g. in file names |
Transformations
In path names the "/" is used. If "/" cannot be used the general recommendation is to use the "." instead.
That also means the . and / are to be avoided inside ids, if possible.
Listing
See tango.info object id system.
Subsets
See also
- tango.info object name a string that can identify several objects.