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Wednesday, May 21, 2008



Here are the ways I can think of that an automated system could know that a web page is licensed:
  1. has a link to a known licence URL
  2. has a link that has rel="license" attribute in the tag, and a legal expert confirms that the link target is a licence URL
  3. has a meta tag with name="dc:rights" content="URL", and an expert confirms that the URL is a licence
  4. has embedded or external RDF+XML with license rdf:resource="URL"
  5. natural language, such as "This web page is licensed with a Creative Commons Attribution 1.0 Australia License"
  6. system is told by someone it trusts
Here are the ways I can think of that an automated system could find new, previously undiscovered, types of licences (or at least URLs thereof):
  1. URL is in rel="license" link tag, expert confirms
  2. URL is in meta name="dc:rights" tag, expert confirms
  3. URL is in RDF license tag
  4. page contains an exact copy of a known licence
  5. system is told by someone it trusts
If you can think of any other items for either of these lists, please let me know.

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Blogger Ben Bildstein said:
In order of easiest to hard, I'm thinking:
- 2
- 3
- 6
- 1
- 4
- 5

And for discovering new licences:
- 1
- 2
- 5
- 3
- 4

(I expect this will be the order in which I'll implement them)
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