Difference between revisions of "Syndication"

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(Licensed Content Discovery)
(human-visible <copyright> element)
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http://ietfreport.isoc.org/idref/draft-snell-atompub-feed-license/
 
http://ietfreport.isoc.org/idref/draft-snell-atompub-feed-license/
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== Human-visible notice ==
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Some podcast players display the contents of a <code>copyright</code> element found in a feed.  Example usage, not really intended to be machine-parsable, customize for communication with human readers, but do include URL of the relevant CC license and most importantly URL where users can get back to your site:
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:<copyright>All the songs in this podcast, and the podcast itself, are licensed to the public under http://creativecommons.org/licenses/by-nc-sa/1.0/ verify at http://magnatune.com/info/openmusic</copyright>
  
 
== Licensed Content Discovery ==
 
== Licensed Content Discovery ==

Revision as of 17:27, 31 March 2006

License statements may be included in various synication formats, generally at the feed and item level, where the latter overrides the former.

RSS 1.0

http://web.resource.org/rss/1.0/modules/cc/

RSS 2.0

http://backend.userland.com/creativeCommonsRssModule

Atom 1.0

http://ietfreport.isoc.org/idref/draft-snell-atompub-feed-license/

Human-visible notice

Some podcast players display the contents of a copyright element found in a feed. Example usage, not really intended to be machine-parsable, customize for communication with human readers, but do include URL of the relevant CC license and most importantly URL where users can get back to your site:

<copyright>All the songs in this podcast, and the podcast itself, are licensed to the public under http://creativecommons.org/licenses/by-nc-sa/1.0/ verify at http://magnatune.com/info/openmusic</copyright>

Licensed Content Discovery

Not all feeds include license metadata. Heuristics for discovering licensed content. Perhaps useful in particular for aggregators:

  • IF feed item contains license reference or feed contains top level license reference
    • THEN content in feed (including images and enclosures) probably licensed
  • Crawl feed item URLs.
    • IF license found for feed item URL (e.g., rel="license")
      • THEN content at feed item URL probably licensed
    • IF license metadata found specifically for media (e.g., about an image or video URL)
        • THEN that media is probably licensed
  • Download content referred to (e.g., in enclosure)
    • IF content contains reference to metadata on the web that says content is licensed, content is probably licensed (see Embedded Metadata

This is obviously just a sketch. Aggregators may wish to use different heuristics for different feeds. See Content Curators for some sites with feeds of CC licensed content.
https://wiki.creativecommons.org/index.php?title=Syndication&diff=1922&oldid=1849
wiki.creativecommons.org
crawl=CC-MAIN-2022-05
33029
application/http; msgtype=response
sha1:OGIF4NU2BD5LDASNTVUKHWJMHXTXFL4L
<urn:uuid:e6ffd2e5-c827-4ccb-aae3-dd4d88553d88>
2022-01-28T01:50:06Z
172.67.34.140
text/html
sha1:XNZNNNSDPF3IYH4CDHQY6PYEVVDZIJIP
<urn:uuid:3ecb56fc-81db-4a05-ace9-d741af85ab90>
https://wiki.creativecommons.org/index.php?title=Syndication&diff=1922&oldid=1849
response
<urn:uuid:bd3adc1a-c0d2-44b8-8478-f6e97e0a10d3>
isPartOf: CC-MAIN-2022-05
publisher: Common Crawl
description: Wide crawl of the web for January 2022
operator: Common Crawl Admin (info@commoncrawl.org)
hostname: ip-10-67-67-45
software: Apache Nutch 1.18 (modified, https://github.com/commoncrawl/nutch/)
robots: checked via crawler-commons 1.3-SNAPSHOT (https://github.com/crawler-commons/crawler-commons)
format: WARC File Format 1.1
conformsTo: https://iipc.github.io/warc-specifications/specifications/warc-format/warc-1.1/