2007/5/1, Evgeny Egorochkin <[EMAIL PROTECTED]>:
On Tuesday 01 May 2007 21:47:42 Mikkel Kamstrup Erlandsen wrote: > 2007/5/1, Evgeny Egorochkin <[EMAIL PROTECTED]>: > > On Tuesday 01 May 2007 17:55:26 Mikkel Kamstrup Erlandsen wrote: > > > > > $MIN_CARDINALITY > > > > > > > > > > > Minimum cardinality. Minimum number of properties of this type > > > > you > > > > > > must > > > > > > > > > > set > > > > > > for a given file. > > > > > > Lets specify mandatory properties. Default is 0. > > > > > > > > > > Is there any example of a mandatory property? Does it even make > > > > sense? > > > > > > File name or URI? > > > > > > I don't see why they have to be mandatory. Not everything comes from a > > > file. > > > > > > In the search API it is specifically avoided to use global identifiers > > > > for > > > > > objects - as fx a mandatory uri would be. My opinion is that we > > > > shouldn't > > > > > *force* URIs or any mandatory property onto any object. > > > > The intent of this was to make life easier for apps by guaranteeing > > existence > > of some basic properties, however I do agree that the list would be > > extremely > > short if not non-existent. > > Also taking URI as an example, you would need to enforce that it actually > contains a valid uri or else it would be useless anyway. We could add > another type called "uri" which guarantees that the values form a valid > uri. I don't think we should guarantee that any fields are indeed set > though. At this moment it makes sense to drop minCardinality. It can be added later if needed. Another issue worth considering in the perspective is units.
Units... I stumbled across that a while ago, but haven't given it much thought. I think that it might be just as confusing as it useful - also it is a new requirement to meet the standard (that might or might not be trivial to add). IMHO We should finalize the first edition of the standard and extend it if
the need arises.
Yes, but we shouldn't paint our selves into a corner :-) I find it strange that nobody else comments on this. Perhaps everybody
agree :)
Hehe, I can bet you that not everybody agrees :-) Most of the other involved persons are core maintainers of search engines so are pretty stressed out already... Cheers, Mikkel
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