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Serena	  Villata	  and	  Fabien	  Gandon	       Inria	  Sophia	  An4polis	  
OUR GOAL   Attach the licensing terms to the data under         the form of a composite license                      Licen...
ENABLING TECHSNamed Graphs                   Creative                               CommonsLicenses are constraints       ...
MAIN FEATURESPluggable to        Granularity: fromany RDF store       triples to whole graphs  Composite           Semanti...
LICENSES STRUCTURECC LICENSES ANATOMY                      Permissions                      Reproduction                  ...
ALIGNMENT LICENSES
1.                                    :ng1 !LICENSES                              :ng2 !COMPATIBILITY                :ng3 ...
1.                                    :ng1 !LICENSES                              :ng2 !COMPATIBILITY                :ng3 ...
1.LICENSESCOMPATIBILITY                HeuristicsEVALUATION      OR-composition                AND-composition            ...
1.LICENSESCOMPATIBILITYEVALUATION2.LICENSESCOMPOSITION                QUERY RESULT +!                <link URICompositeLic...
EXAMPLE
EXAMPLE
EXAMPLEMODELS   ELEMENTS
FUTURE WORKLegal evaluation of the      Qualitativecomposite license            evaluationRelate non CC licenses to    Qua...
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Licenses Compatibility and Composition in the Web of Data

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The absence of clarity concerning the licensing terms does not encourage the reuse of the data by the consumers, thus preventing further publication and consumption of datasets, at the expense of the growth of the Web of Data itself. We propose a general framework to attach the licensing terms to the data queried on the Web of Data. In particular, our framework addresses the following issues: (i) the various license schemas are collected and aligned taking as reference the Creative Commons schema, (ii) the compatibility of the licensing terms concerning the data affected by the query is verified, and (iii) if compatible, the licenses are combined into a composite license. The framework returns the composite license as licensing term about the data resulting from the query.

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Licenses Compatibility and Composition in the Web of Data

  1. 1. Serena  Villata  and  Fabien  Gandon   Inria  Sophia  An4polis  
  2. 2. OUR GOAL Attach the licensing terms to the data under the form of a composite license Licenses  Compa.bility   Evalua.on  QUERY RESULT +!<link URI_CompLic>! Composite  License   Genera.on   SELECT … ! WHERE {…}! 2  
  3. 3. ENABLING TECHSNamed Graphs Creative CommonsLicenses are constraints Licenses anatomy definedover named graphs following CC schemaRDF Query resultMachine-readable format XML format using thefor obligations, permissions <link> elementand requirements
  4. 4. MAIN FEATURESPluggable to Granularity: fromany RDF store triples to whole graphs Composite Semantic Web license for the languages only query result
  5. 5. LICENSES STRUCTURECC LICENSES ANATOMY Permissions Reproduction Distribution Derivative Works Sharing Prohibitions Commercial Use Requirements Notice Attribution Share Alike
  6. 6. ALIGNMENT LICENSES
  7. 7. 1. :ng1 !LICENSES :ng2 !COMPATIBILITY :ng3 ! SELECT … !EVALUATION WHERE {…}!2.LICENSESCOMPOSITION3.QUERYRESULT
  8. 8. 1. :ng1 !LICENSES :ng2 !COMPATIBILITY :ng3 ! SELECT … !EVALUATION WHERE {…}!2.LICENSESCOMPOSITION3.QUERYRESULT
  9. 9. 1.LICENSESCOMPATIBILITY HeuristicsEVALUATION OR-composition AND-composition Constraining-value2.LICENSESCOMPOSITION3.QUERYRESULT
  10. 10. 1.LICENSESCOMPATIBILITYEVALUATION2.LICENSESCOMPOSITION QUERY RESULT +! <link URICompositeLic>! :ng1 ! :ng2 !3. :ng3 !QUERYRESULT
  11. 11. EXAMPLE
  12. 12. EXAMPLE
  13. 13. EXAMPLEMODELS ELEMENTS
  14. 14. FUTURE WORKLegal evaluation of the Qualitativecomposite license evaluationRelate non CC licenses to QuantitativeCC licenses in a legal way evaluation

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