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Creative Commons @ San Francisco Macromedia Users Forum
The document discusses Creative Commons, a non-profit organization that provides open licenses for creative works. It describes Creative Commons' core licensing options, tools like their license generator and metadata standards. It also reviews Creative Commons' history of developing search tools to locate works with different Creative Commons licenses. Finally, it discusses future opportunities and challenges for improving metadata standards, search capabilities, and facilitating open licensing of content like images, video and derivatives.
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Creative Commons @ San Francisco Macromedia Users Forum
- 1. San Francisco MacromediaUsers Forum 2006 Not Found Mike Linksvayer
- 2. Let's get thehype out of the way... Let's get the hype out of the way....
- 3. About Creative CommonsNon-profit started in December 2002 http://creativecommons.org Dedicated to promoting reasonable copyright Makes available standard licenses and tools that enable creators to make their works available on more flexible terms Enables “some rights reserved”, rather than “all rights reserved” Uses private, voluntary tools to create a public good - more freely* available content
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- 5. Core Licensing Suite: Creator/Licensor chooses license options NonCommercial No Derivatives ShareAlike Every Creative Commons licenses allows the world to copy and distribute a work provided that the licensee credits the creator/licensor In addition creator/licensor may apply the following conditions:
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- 8. License Property BreakdownSimple License Generator
- 9. Internet Archive FreeHosting for CC works http://www.archive.org/
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- 11. Creative Commons MetadataExample <rdf:RDF xmlns="http://web.resource.org/cc/" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"> <Work rdf:about="http://example.com/article.html"> <dc:title>An Example Article</dc:title> <dc:date>2003-10-01</dc:date> <dc:type rdf:resource="http://purl.org/dc/dcmitype/Text" /> <license rdf:resource="http://creativecommons.org/licenses/by-nc-sa/2.5/" /> </Work> <License rdf:about="http://creativecommons.org/licenses/by-nc-sa/2.5/"> <permits rdf:resource="http://web.resource.org/cc/Reproduction" /> <permits rdf:resource="http://web.resource.org/cc/Distribution" /> <requires rdf:resource="http://web.resource.org/cc/Notice" /> <requires rdf:resource="http://web.resource.org/cc/Attribution" /> <prohibits rdf:resource="http://web.resource.org/cc/CommercialUse" /> <permits rdf:resource="http://web.resource.org/cc/DerivativeWorks" /> <requires rdf:resource="http://web.resource.org/cc/ShareAlike" /> </License> </rdf:RDF>
- 12. Rights Description UseCases Discovery Expression Commerce Management(1)
- 13. Rights Description vs.Rights Management(2) Copy/Use promotion vs. Copy/Use protection Encourage fans vs. Discourage casual pirates Resource management vs. Customer management Web content model vs. 20 th century content model Not mutually exclusive in theory.
- 14. Why Semantic Web?Small organization, no central registration for every license Decentralization: Let a thousand search engines bloom; web as API Existing RDF tools could take advantage of CC RDF
- 15. Why RDF-in-HTML comments?(yuck) Considered: Robots.txt-like HTML meta tags LINK to external RDF file RDF-in-HTML comments wins because Metadata colocated with human visible HTML, only single copy & paste for licensors Full power of RDF Metadata colocated with HTML even better (coming soon)
- 16. CC Search HistoryI Postgresql/tsearch2/python prototype (early 2004) Sloooowwwww, but did what a prototype should do
- 17. CC Search HistoryII CC-Nutch (late 2004) Nutch aims to be open source search engine comparable to commercial web scale search engines Built on top of Lucene full text index CC plugin only ~500 lines of code (not counting UI, CC-required additions to Nutch core) http://search.creativecommons.org uses Nutch, >1m CC-licensed pages indexed
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- 19. CC Search HistoryIII Yahoo! Search for Creative Commons (early 2005) Search CC-licensed subset of Yahoo!’s index (~15m* pages) *very rough guesstimate
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- 23. CC Search HistoryIV Google CC search (November 2005) Search CC-licensed subset of Google’s index (~45m* pages) *very rough guesstimate
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- 27. CC Search HistoryV (the future) Better metadata formats Image and Video search Derivatives search Content commerce search “ Live” web search “ Management” (desktop, workgroup) Semantic mashups
- 28. Future CC metadataformats “ Semantic XHTML” AKA “lowercase semantic web” AKA “microformats” (now) <a rel=“license” href=“ http://creativecommons.org/licenses/by/2.5/ ”> “ Hard Core Semantic XHTML” AKA RDF/A AKA XHTML2 metadata (in working group) GRDDL (gleaning resource descriptions from dialects of languages)
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- 32. Image and Videosearch Better metadata formats Image and Video search Derivatives search Content commerce search “ Live” web search “ Management” (desktop, workgroup) Semantic mashups
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- 38. Derivatives search RDF/XMLsnippet: <dc:source rdf:resource=”http://ccmixter.org/media/files/victor/3385”/> Query like Yahoo! link: search or Technorati Cosmos search source:http://ccmixter.org/media/files/victor/3385 “ Who sampled this” as the new “who linked to this”
- 39. Content commerce searchTransaction costs should be low even if rights are reserved Commercial terms and other commerce described by metadata associated with a work Find me work I can use at a price I can pay for usage rights warranty/paper trail (even if rights not reserved) Reintermediate consumer and creator
- 40. “ Live” websearch (feeds) Feeds are explicitly metadata-rich (unlike typical web page) Existing blog search ignores metadata Web search will become more like blog search, vice versa?
- 41. “ Management” (desktop,workgroup) Desktop search (OS-level) Content creation and media player integration XMP (Flash 8 support?) Semantic Wikis
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- 43. Issues for SemanticSearch on the Public Web Metadata quality Trust Scalability Usability Compatibility Critical mass State of the art IR works very well – high expectations!
- 44. Issues for OpenLicensing and Flash CC is for “content”, offers broad range of choices Free/Open Source licenses have code covered very well Flash can be used for pure content (e.g, movies), pure software “applications” Flash developers and designers come from a different pool than software developers, different mindset. Maybe? Flash development customers need to be educated about CC and open source
- 45. Non-Issues for OpenLicensing and Flash Tons of CC-licensed content (images, music, video) available for use in your next Flash production!
- 46. San Francisco MacromediaUsers Forum 2006 Not Found Mike Linksvayer Questions, feedback, flames: [email_address] http://developer.creativecommons.org http://creativecommons.org/salon