Bug 149372 - SCHEMA : add comments and internationalization support for Tags
Summary: SCHEMA : add comments and internationalization support for Tags
Status: CONFIRMED
Alias: None
Product: digikam
Classification: Applications
Component: Database-Schema (show other bugs)
Version: 0.9.2
Platform: Compiled Sources Linux
: NOR wishlist
Target Milestone: ---
Assignee: Digikam Developers
URL:
Keywords:
: 190935 192447 228883 329352 (view as bug list)
Depends on:
Blocks:
 
Reported: 2007-08-30 10:10 UTC by Arnd Baecker
Modified: 2022-10-26 19:18 UTC (History)
7 users (show)

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Latest Commit:
Version Fixed In:
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Description Arnd Baecker 2007-08-30 10:10:15 UTC
Version:            (using KDE KDE 3.5.5)
Installed from:    Compiled From Sources

It would be nice to add a comment to a tag.

Explanation: For example for a town it would be nice to provide
some remarks  (notes, historical information, ...) or a weblink
for later reference.
Or for tags classifying animals (like butterflies etc.), one could
add information helping in the classification, comments on similar ones,
notes on the typical behaviour or where the could be found
(i.e. all those things one looks up in a book and normally forgets quickly ;-).
Comment 1 Mikolaj Machowski 2007-11-02 19:01:36 UTC
Comments for Collections also would be useful.
Comment 2 Arnd Baecker 2007-11-02 19:14:20 UTC
Aren't collections supposed to go away?
Comment 3 Mikolaj Machowski 2007-11-02 22:27:47 UTC
Never have seen official confirmation. Generally I like collections but
they terribly clash with current albums management.
Comment 4 Mikolaj Machowski 2007-11-02 22:45:13 UTC
OK. #1 is INVALID ;) 
Comment 5 caulier.gilles 2008-03-27 14:11:02 UTC
Marcel,

This file is relevant of new DB schema which do not include a comment for tag...

I propose to add it to DB schema, if you is agree...

Gilles Caulier
Comment 6 Marcel Wiesweg 2008-03-27 20:15:17 UTC
There were quite a lot of ideas for restructuring tags, comments, dates, more advanced stuff. For me, when I worked at the DB last Summer, I left this area of DB changes for later versions...
Comment 7 caulier.gilles 2011-01-19 10:27:55 UTC
*** Bug 228883 has been marked as a duplicate of this bug. ***
Comment 8 caulier.gilles 2011-01-19 10:28:54 UTC
Marcel,

DB schema for 2.0.0 include Tags comment field ?

Gilles Caulier
Comment 9 caulier.gilles 2011-12-16 12:59:09 UTC
*** Bug 192447 has been marked as a duplicate of this bug. ***
Comment 10 caulier.gilles 2013-12-29 09:41:39 UTC
*** Bug 329352 has been marked as a duplicate of this bug. ***
Comment 11 caulier.gilles 2014-09-02 07:31:00 UTC
*** Bug 190935 has been marked as a duplicate of this bug. ***
Comment 12 Jean-Martial NDOUTOUME NFENGONE 2015-08-18 20:52:28 UTC
Up!

A tag description/comment/note field could be very useful… specially for searching in a Digital Asset Management way.

This tag's description/comment/note field can be use as a way to "control" the vocabulary in order to dictate your own semantic manifestations of metadata in the indexing of items.

In the first time it should be a good "quick and dirty" way to add informations helping in the use of tags themselves, translations, lists of synonyms etc.
Comment 13 Alan Pater 2015-08-23 00:52:36 UTC
I'm still learning of all the possibilities in metadata, but here are my thoughts:

There are other metadata fields/properties available for additional details. Controlled vocabularies, URI links, hierarchies are specialized use cases with their own dedicated properties available. It might be a mistake for digikam to keep this data hidden in it's own DB nested under "tags".

Tags are just a simple list of individual keywords. If more complexity is needed, there are other fields/properties available.

As always, I like to refer everyone to the MWG Guidelines ;-)

http://www.metadataworkinggroup.org/pdf/mwg_guidance.pdf
Comment 14 Jean-Martial NDOUTOUME NFENGONE 2015-08-23 17:59:28 UTC
Dear Alan,

Very interesting.

From this MWG Guidelines, I understand that specs/standards/best practices (provided by Adobe, Apple, Canon, Microsoft, Nokia and Sony) said:

1. Keywords (also called "tags") are available in "IPTC Keywords" and "XMP (dc:subject[*])" metadata (The MWG Guidelines, p. 35);

2. IPTC Keywords is mapped to XMP (dc:subject);

3. XMP provides the ability to add qualifiers for each keyword to define a semantic. For future extensibility, these attributes SHOULD be preserved on any keyword manipulation;

4. recommended best practice is to use a controlled vocabulary for keywords (XMP Specification part 1 - Data model, serialization, and core properties, Table 4 - Dublin Core properties, p. 26).

So… I really think that a description/comment/note field associated with each tag is a good compromise…
Comment 15 Alan Pater 2015-08-23 18:56:34 UTC
I think one could be looking beyond simple keywords/tags.

For example, MWG Guidelines include detailed Location fields, both GPS and Textual properties. The guidelines provide for hierarchical keywords. There are guidelines for image collections, including reference URI's. And for Description, which provides a more verbose description of the content of an image.

digikam already offers these properties and functions. They are independent from and complimentary to the simple list of keywords.
Comment 16 Jean-Martial NDOUTOUME NFENGONE 2015-08-24 07:40:58 UTC
Alan,

You're right: location, textual properties, source references and all verbose description fields for explicitly *describe the content of an image* already exist.

Here, unless I am mistaken, we discuss the opportunity to add (or not) *comment field for the tag object* in the digiKam interface/DB schema: ie *qualifiers for each keyword* in order, e.g. to comment tags, control tags vocabulary, define a semantic to tags, give translation to tags, etc., for tags themselves (these attribute refer only to tag and should be preserved on any tag manipulation, as provided by industry recommendations…)

Is there something I missed or misunderstood?
Comment 17 Justin Zobel 2021-03-09 05:51:41 UTC
Thank you for the bug report.

As this report hasn't seen any changes in 5 years or more, we ask if you can please confirm that the issue still persists.

If this bug is no longer persisting or relevant please change the status to resolved.
Comment 18 Jean-Martial NDOUTOUME NFENGONE 2022-10-26 19:18:46 UTC
> confirm that the issue still persists

Yes, still no description field for tags in digiKam 7.8.0

:-(