I was thinking eRDF while reading about machine tags

Well not only eRDF but RDF generally, while reading Jeremy Keith's post about machine tags.

For now, I’ve gone ahead and integrated Flickr machine tagging here… but this works from the opposite direction. Instead of tagging my blog posts with flickr:photo=[ID], I’m pulling in any photos on Flickr tagged with adactio:post=[ID].

Now, I’ve already been integrating Flickr pictures with my blog posts using regular “human” tags, but this is a bit different. For a start, to see the associations using the regular tags, you need to click a link (then the Hijax-y goodness takes over and shows any of my tagged photos without a page refresh). Also, this searches specifically for any of my photos that share a tag with my blog post. If I were to run a search on everyone’s photos, the amount of false positives would get really high. That’s not a bug; it’s a feature of the gloriously emergent nature of human tagging.

For the machine tagging, I can be a bit more confident. If a picture is tagged with adactio:post=1245, I can be pretty confident that it should be associated with http://adactio.com/journal/1245. If any matches are found, thumbnails of the photos are shown right after the blog post: no click required.

I’m not restricting the search to just my photos, either. Any photos tagged with adactio:post=[ID] will show up on http://adactio.com/journal/[ID]. In a way, I’m enabling comments on all my posts. But instead of text comments, anyone now has the ability to add photos that they think are related to a blog post of mine. Remember, it doesn’t even need to be your Flickr picture that you’re machine tagging: you can also machine tag photos from your contacts or anyone else who is allowing their pictures to be tagged.

I like the idea of using your blog entry url as the predicate for the N3 triple (sorry) machine tag.

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Author: Ianforrester

Senior firestarter at BBC R&D, emergent technology expert and serial social geek event organiser.