- From: David Singer <singer@apple.com>
- Date: Wed, 25 Feb 2009 17:13:49 -0800
- To: Felix Sasaki <fsasaki@w3.org>
- Cc: public-media-annotation@w3.org
- Message-Id: <p0624081fc5cb9d1582b2@[17.202.35.52]>
At 14:48 +0900 25/02/09, Felix Sasaki wrote: >David Singer Ç„ÇÒÇÕèëÇ´ÇÐǵLJ: >>On the discussion of ontology and complexity, >>forgive me if this has already been brought up, >>but it seems as if there are at least two >>places where the ontology and complexity can be >>evident. >> >>One is in the obvious place: in the expression >>of metadata. This gives rise to complex (often >>XML) structures to describe what is needed; >>things like >><person role="author"> >><name role="given" order="2">Blatherick</name> >><name role="given" order="1">Fred</name> >><name role="patronymic">Bloggs</name> >><date role="birth" type="ISO-8601">1937-04-01</date> >></person> >> >>and so on. Every reader is burdened with the ontology tagging. >> >> >>However, another approach is to define the >>tagging itself more precisely. For example, one >>might say >>"TDRL" is the DATE of the PUBLICATION of the WORK >>TEXT is the NAME of the PERSON that WROTE the WORDS of the WORK >>TAUB is the DATE of BIRTH of the PERSON that >>EDITED the TRANSLATION of the WORDS of the >>TRANSCRIPT of the AUDIO of the WORK >> >> >> >>and so on. I realize that this only helps with >>putting the tags onto a firmer foundation; it >>does not help with (de-)composing tags (e.g. >>the XML above, where personal-name is >>decomposed), and nor does it help much with >>formalizing the type of the values (e.g. the >>type of the date string above), unless the tag >>has a required associated type. >> >>But such tags might make it possible to do >>metadata conversion and i18n. But getting such >>an ontology developed may be a research >>effort... > >If I recall correctly you mentioned that kinds of efforts as >"(a) relate all media annotation systems by >means of a firm semantic background, so >that a machine translator can do the best it can ('the tag called >title is the formal_name of the work', 'the tag called author is the >formal_name of the person who created the words of the work')" >and also mentioned your preference for >"(b) have a small set of tags which we encourage >should be implemented in any standard." >in >http://lists.w3.org/Archives/Public/public-media-annotation/2008Sep/0045.html > >Hence I am wondering: Do you think that the >mapping table is a useful contribution to b), or >rather to a)? What value and purpose do you see >in the mapping table in general? > I think the table reveals both (i) the set of tags which have broad support and (ii) the set of tags which (might) have broad agreement in their definition (i.e. share a common formal ontological description). So I'd say 'both'! -- David Singer Multimedia Standards, Apple Inc.
Received on Thursday, 26 February 2009 01:14:48 UTC