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Bob DuCharme's picture

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Bob DuCharme

7 months ago

in Twitter Is The New Bloomberg on /Message
You might like http://twitter.com/djia50, which tweets when the Dow has moved more than 50 points in an hour. More at http://www.snee.com/bobdc.blog/2008/10/using-th....

8 months ago

in XACML Policy Management (XPM): An Overture on Thinking Clearly
I've thought for a long time that XACML's notion of role based access control makes it great for addressing the digital rights management needs of the publishing industry. (I mean "digital rights *management*" quite literally, as opposed to "digital rights enforcement," which is what most people mean when they discuss DRM.) As you said, though, it's "rather complex and opaque"; I brought Hal Lockhardt to a PRISM meeting several years ago and the PRISM group thought it was interesting but had a difficult time understanding the value it could bring to their standard. There's a bit more on related issues at http://www.snee.com/bobdc.blog/2008/02/managing....

1 year ago

in New arrival on Behind the Times
Congratulations Edd! What do Thomas and Katherine think so far?
1 reply
Edd Dumbill's picture
Edd Dumbill Thanks! They're pretty interested and happy with him. No jealousy to speak of so far.

1 year ago

in How realistic is using OWL for semweb data integration? on Phil Dawes' Stuff
Sure. You could use OWL to identify the correspondences between the various pieces of the Atom structure with the pieces of the RSS 1.0 structure, and then you could perform queries against a mixed collection of RSS 1.0 documents and Atom/RDF documents, e.g.


<owl:Class rdf:about="http://purl.org/rss/1.0/item">
<equivalentClass rdf:resource="http://purl.org/atom/ns#draft-ietf-atompub-format-08/entry"/>
</owl:Class>

I learned from a recent Talis podcast that Dave Beckett has something that I believe will let you treat Atom documents as RDF, which would be a significant step toward implementing this.

Bob DuCharme
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