ISSUE-185

Last Call Comment: Order in Classification Systems

State:

CLOSED

Product:

SKOS

Raised by:

Sean Bechhofer

Opened on:

2008-10-08

Description:

Raised by Michael Panzer [1]:


5. Order in Classification Systems
----------------------------------

Order in a classification is important, indeed critical. Order is
evident in the juxtaposition of classes, the sequence of main classes,
and the sequence of co-ordinates in a class. Broader and narrower
relationships alone cannot represent order. So, maybe parallel encoding
is necessary to make sure that the system a classification scheme tries
to present is reflected when using SKOS.

To some degree, when order is connected to hierarchy, this can be
reflected by extensions to SKOS. The DDC for example has two parallel
hierarchies, one expressed by length of notation, the other by structure
(notes, etc.). This is handled at the moment by extending skos:narrower.

skosclass:narrowerStructural rdfs:subPropertyOf skos:narrower .

skosclass:broaderStructural rdfs:subPropertyOf skos:broader ;
  owl:inverseOf skosclass:narrowerStructural .

[1] http://lists.w3.org/Archives/Public/public-swd-wg/2008Oct/0061.html

Related emails:

1. ISSUE-185: Last Call Comment: Order in Classification Systems (from dean+cgi@w3.org on 2008-10-08)
2. Re: SKOS comment: Last Call Working Draft (from sean.bechhofer@manchester.ac.uk on 2008-10-08)
3. LC Comments: Classification Schemes (from sean.bechhofer@manchester.ac.uk on 2008-10-09)
4. Re: LC Comments: Classification Schemes (from aisaac@few.vu.nl on 2008-10-13)
5. ISSUE-185 draft response (from aisaac@few.vu.nl on 2008-10-17)
6. ISSUE-185 new draft response (from aisaac@few.vu.nl on 2008-10-22)
7. meeting record: 2008-11-04 SWD telecon (from swick@w3.org on 2008-11-04)
8. [SKOS] Re: SKOS comment: Last Call Working Draft [ISSUE-185] (from aisaac@few.vu.nl on 2008-11-06)
9. [SKOS] Re: SKOS comment: Last Call Working Draft [ISSUE-185] (from aisaac@few.vu.nl on 2008-11-06)
10. [SKOS] Re: SKOS comment: Last Call Working Draft [ISSUE-185] (from aisaac@few.vu.nl on 2008-11-04)
11. [SKOS] Re: SKOS comment: Last Call Working Draft [ISSUE-185] (from aisaac@few.vu.nl on 2008-11-06)
12. [SKOS] Re: SKOS comment: Last Call Working Draft [ISSUE-185] (from aisaac@few.vu.nl on 2008-11-06)
13. [SKOS] Re: SKOS comment: Last Call Working Draft [ISSUE-185] (from aisaac@few.vu.nl on 2008-11-06)
14. [SKOS] Update on Last Call Comments (from alistair.miles@zoo.ox.ac.uk on 2008-12-02)

Related notes: