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Edit comment LC-2988 for ODRL Community Group

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Comment LC-2988
:
Commenter: Michael Steidl (IPTC) <mdirector@iptc.org>

or
Resolution status:

ODRL Community,



a comment on the Action vocabulary in the 2.1 draft -
http://www.w3.org/community/odrl/work/2-0-common-vocabulary-constraint-draft
-changes/



Since the first publication of this draft in summer we've received comments
on the actions regarding changing/modifying existing assets and
deriving/extracting from existing assets and creating new ones.



Based on that I propose these changes:



** Adding a new action as child of "use":

- Identifier: modify

- Semantics: The Assigner permits/prohibits the Assignee(s) to
update existing content of the Asset. A new asset is not created by this
action.

- Comment: This action will modify an asset which is typically
updated from time to time without creating a new asset like a database. If
the result from modifying the asset should be a new asset the actions derive
or extract should be used.



** Drop or deprecate the actions writeTo and appendTo and recommend using
the action modify



* Note on the proposed changes above:

- writeTo and appendTo are only about adding something to an asset
but not about modifying it .

- . a modify action is missing

- It would be very hard to distinguish precisely modify, writeTo
and appendTo therefore it is better to go ahead with the wider term. (E.g.
is it realistic to permit modifying an asset but to prohibit that something
is added by the modification?)



** Change the Action "derive" by more precise semantics:

- Semantics: The Assigner permits/prohibits the Assignee(s) to
create a new derivative Asset from this Asset and to edit or modify the
derivative.

- Comment: A new asset is created and may have significant overlaps
with the original Asset. To the derived Asset a next policy may be applied.



** Change the Action "extract" by more precise semantics:

- Semantics: The Assigner permits/prohibits the Assignee(s) to
extract parts of the Asset and to use it as a new Asset.

- Comment: A new asset is created and may have very little in
common with the original Asset. To the extracted Asset a next policy may be
applied.





Thanks for considering this change,



Michael



Michael Steidl

Managing Director of the IPTC [mdirector@iptc.org]

International Press Telecommunications Council
Web: <http://www.iptc.org/> www.iptc.org - on Twitter
<http://www.twitter.com/IPTC> @IPTC

Business office address:

25 Southampton Buildings, London WC2A 1AL, United Kingdom

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