Forum Moderators: open
Someone needs to construct a demo site that will manufacture a web catalog card out of Dublin Core metadata - perhaps vaguely along the lines of the W3C's new semantic data extractor:
[w3.org...]
I've yet to see it used by any indexing or search services.
Yup, me too. But, if you look at the list of supporting entities, there may be some there that are of interest in certain industries.
There is another side to this whole metadata thing. What we know as META Tags are being replaced by the RDF and possibly some of the DC.elements set.
I've got a section that I'm testing right now (long term tests) utilizing the complete set of elements. Just out of curiosity, I want to see what impact the DC.elements have on a page that utilizes them. And no, these tags cannot be tested by throwing in some obscure term that the page does not relate to. Its the same when testing META Tags, you can't drop an off the wall term in the Keywords Tag to test its effectiveness.
The Dublin Core Metadata Editor does pretty much what the link does that you posted. It will generate a set of DC.elements based on the existing metadata.
Please everyone, don't rush out and start generating DC.elements for your pages. That is not what this is for. Right now it appears to be mostly supported in educational environments. I posted a list of those using the standards above. If any of those are of interest and will benefit your site, then it may be something worth investigating further.
My next step is to tackle the RDF (Resource Description Framework). The tool above will generate an .rdf document for your pages. How to effectively use it to assist user agents is still something I need to hunker down and learn.
AFAIK the DC tags were invented at the tail-end of a drinking binge in Dublin when the conference decided they had to come up with _something_ to justify their expense accounts ;)
Honestly, I don't think the DCMI has a real future as an HTML extension. If it suceeds, it will be as RDF -- some sites are already using it to supplement RSS and FOAF files, for example.
I'm planning to go the RDF route myself -- write a perl script to pull the data from my HTML pages, put the RDF files up, and see what happens. (I'll probably end up using a few DCMI HTML tags (like "DC.Date"), to hold the metadata that isn't already structured into the pages's regular HTML.) If somebody lets loose a good RDF crawler, I'll be ready for them, and if they don't, at least I won't have bloated my regular pages with a dozen unused meta tags.