Aida Slavic wrote:
> Just little terminological contribution if you care to read...
> It is agreed in the metadata community when to use term 'schema' and when term
> It was said that 'Schema' should be used to describe
> 'A set of metadata elements representing the attributes of
> a resource. Each element will have a name and associated
> semantics.' (From SCHEMAS project glossary) thus DC, IMS, LOM would be 'metadata
> While vocabulary used within any of their descriptive elements that comes from some
> published and well known source (thesaurus, classification) should be 'scheme'. Thus
> one can use many 'schemes' in one 'metadata schema'.
Thanks Aida, I've always felt guilty about ignoring the difference (mainly
because I have been too lazy to learn it). I think that even I can cope with an
explanation as clear as this.
> What is metadata?
> Survey should make clear as Phil mentioned what is meant under 'metadata' and
> explain that metadata in focus here is not technical or administrative but merely
> Definition: Metadata is structured (machine readable) description of the resource
> that serves to its discovery and management. In the educational domain the resource
> is educational material thus IMS is domain specific metadata...and it has to take
> care about both general descriptive elements and education-specific description
> (while e.g. DC, INDECS, TEI, and family of MARC formats are general descriptive
> Also the notion of application profiles.. should be anticipated when dealing with
> metadata schemas.As you can mix in one application profiles elements from several
> metadata schemas... But even more importantly one can use the same metadata schema
> and then use different vocabulary in it or expand it....
> "Other" can be used here for peopel who merged several schemes or built their own.
It wouldn't surprise me if Jenny wanted a question about application profiles...
Phil Barker Learning Technology Advisor
ICBL, Department of Computing and Electrical Engineering
Heriot-Watt University, Edinburgh, EH14 4AS
Tel: 0131 451 3278 Fax: 0131 451 3327