Where is the World is my Open Government Data?
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Where in the World is myWhere in the World is myOpen Government Data?Open Government Data?
John S. Erickson, Ph.D.John S. Erickson, Ph.D.Director, Web Science OperationsDirector, Web Science Operations
Tetherless World ConstellationTetherless World ConstellationRPIRPI
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Where in the World is myWhere in the World is myOpen Government Data?Open Government Data?
John S. Erickson, Ph.D.John S. Erickson, Ph.D.Director, Web Science OperationsDirector, Web Science Operations
Tetherless World ConstellationTetherless World ConstellationRPIRPI
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1.1. Data on the Web...using Open Licenses!Data on the Web...using Open Licenses!2.2. Machine readable data Machine readable data 3.3. Non-proprietary formatsNon-proprietary formats4.4. RDF standards (data models, query)RDF standards (data models, query)5.5. Linked Data principlesLinked Data principles
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An Open Government Data TimelineAn Open Government Data Timeline
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1.1. Data on the Web...using Open Licenses!Data on the Web...using Open Licenses!2.2. Machine readable data Machine readable data 3.3. Non-proprietary formatsNon-proprietary formats4.4. RDF standards (data models, query)RDF standards (data models, query)5.5. Linked Data principlesLinked Data principles
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subjectsubjectsubjectsubject objectobjectobjectobjectpredicatepredicate
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subjectsubjectsubjectsubject objectobjectobjectobjectpredicatepredicate
some articlesome articlesome articlesome article has authorhas author JimJimJimJim
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@article{Hendler:2009:WE:1512136.1512177,@article{Hendler:2009:WE:1512136.1512177, author = {Hendler, Jim},author = {Hendler, Jim}, title = {Web 3.0 Emerging},title = {Web 3.0 Emerging}, journal = {Computer},journal = {Computer}, issue_date = {January 2009},issue_date = {January 2009}, volume = {42},volume = {42}, issue = {1},issue = {1}, month = {January},month = {January}, year = {2009},year = {2009}, issn = {0018-9162},issn = {0018-9162}, pages = {111--113},pages = {111--113}, numpages = {3},numpages = {3}, url = {http://dx.doi.org/10.1109/MC.2009.30},url = {http://dx.doi.org/10.1109/MC.2009.30}, doi = {http://dx.doi.org/10.1109/MC.2009.30},doi = {http://dx.doi.org/10.1109/MC.2009.30}, acmid = {1512177},acmid = {1512177}, publisher = {IEEE Computer Society Press},publisher = {IEEE Computer Society Press}, address = {Los Alamitos, CA, USA},address = {Los Alamitos, CA, USA}, keywords = {Web 3.0, Web technologies, keywords = {Web 3.0, Web technologies, Semantic Web, linked data},Semantic Web, linked data},} }
@article{Hendler:2009:WE:1512136.1512177,@article{Hendler:2009:WE:1512136.1512177, author = {Hendler, Jim},author = {Hendler, Jim}, title = {Web 3.0 Emerging},title = {Web 3.0 Emerging}, journal = {Computer},journal = {Computer}, issue_date = {January 2009},issue_date = {January 2009}, volume = {42},volume = {42}, issue = {1},issue = {1}, month = {January},month = {January}, year = {2009},year = {2009}, issn = {0018-9162},issn = {0018-9162}, pages = {111--113},pages = {111--113}, numpages = {3},numpages = {3}, url = {http://dx.doi.org/10.1109/MC.2009.30},url = {http://dx.doi.org/10.1109/MC.2009.30}, doi = {http://dx.doi.org/10.1109/MC.2009.30},doi = {http://dx.doi.org/10.1109/MC.2009.30}, acmid = {1512177},acmid = {1512177}, publisher = {IEEE Computer Society Press},publisher = {IEEE Computer Society Press}, address = {Los Alamitos, CA, USA},address = {Los Alamitos, CA, USA}, keywords = {Web 3.0, Web technologies, keywords = {Web 3.0, Web technologies, Semantic Web, linked data},Semantic Web, linked data},} }
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@article{Hendler:2009:WE:1512136.1512177,@article{Hendler:2009:WE:1512136.1512177, author = {Hendler, Jim},author = {Hendler, Jim}, title = {Web 3.0 Emerging},title = {Web 3.0 Emerging}, journal = {Computer},journal = {Computer}, issue_date = {January 2009},issue_date = {January 2009}, volume = {42},volume = {42}, issue = {1},issue = {1}, month = {January},month = {January}, year = {2009},year = {2009}, issn = {0018-9162},issn = {0018-9162}, pages = {111--113},pages = {111--113}, numpages = {3},numpages = {3}, url = {http://dx.doi.org/10.1109/MC.2009.30},url = {http://dx.doi.org/10.1109/MC.2009.30}, doi = {http://dx.doi.org/10.1109/MC.2009.30},doi = {http://dx.doi.org/10.1109/MC.2009.30}, acmid = {1512177},acmid = {1512177}, publisher = {IEEE Computer Society Press},publisher = {IEEE Computer Society Press}, address = {Los Alamitos, CA, USA},address = {Los Alamitos, CA, USA}, keywords = {Web 3.0, Web technologies, keywords = {Web 3.0, Web technologies, Semantic Web, linked data},Semantic Web, linked data},} }
@article{Hendler:2009:WE:1512136.1512177,@article{Hendler:2009:WE:1512136.1512177, author = {Hendler, Jim},author = {Hendler, Jim}, title = {Web 3.0 Emerging},title = {Web 3.0 Emerging}, journal = {Computer},journal = {Computer}, issue_date = {January 2009},issue_date = {January 2009}, volume = {42},volume = {42}, issue = {1},issue = {1}, month = {January},month = {January}, year = {2009},year = {2009}, issn = {0018-9162},issn = {0018-9162}, pages = {111--113},pages = {111--113}, numpages = {3},numpages = {3}, url = {http://dx.doi.org/10.1109/MC.2009.30},url = {http://dx.doi.org/10.1109/MC.2009.30}, doi = {http://dx.doi.org/10.1109/MC.2009.30},doi = {http://dx.doi.org/10.1109/MC.2009.30}, acmid = {1512177},acmid = {1512177}, publisher = {IEEE Computer Society Press},publisher = {IEEE Computer Society Press}, address = {Los Alamitos, CA, USA},address = {Los Alamitos, CA, USA}, keywords = {Web 3.0, Web technologies, keywords = {Web 3.0, Web technologies, Semantic Web, linked data},Semantic Web, linked data},} }
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““Jim Hendler”Jim Hendler”““Jim Hendler”Jim Hendler”
doi:10.1109/MC.2009.30doi:10.1109/MC.2009.30
““Dublin Core creator”Dublin Core creator”
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““Jim Hendler”Jim Hendler”““Jim Hendler”Jim Hendler”
doi:10.1109/MC.2009.30doi:10.1109/MC.2009.30
http://purl.org/dc/elements/1.1/creatorhttp://purl.org/dc/elements/1.1/creator
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http://dbpedia.org/resource/James_Hendlerhttp://dbpedia.org/resource/James_Hendlerhttp://dbpedia.org/resource/James_Hendlerhttp://dbpedia.org/resource/James_Hendler
doi:10.1109/MC.2009.30doi:10.1109/MC.2009.30
http://purl.org/dc/elements/1.1/authorhttp://purl.org/dc/elements/1.1/author
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http://dbpedia.org/resource/James_Hendlerhttp://dbpedia.org/resource/James_Hendlerhttp://dbpedia.org/resource/James_Hendlerhttp://dbpedia.org/resource/James_Hendler
doi:10.1109/MC.2009.30doi:10.1109/MC.2009.30
http://purl.org/dc/elements/1.1/creatorhttp://purl.org/dc/elements/1.1/creator
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How do we make Linked Data?
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How do we publish Linked Data?
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(table to rdf)
dct:creatordct:creatordoi:10.1109/MC.2009.30doi:10.1109/MC.2009.30doi:10.1109/MC.2009.30doi:10.1109/MC.2009.30 ““Jim Hendler”Jim Hendler”““Jim Hendler”Jim Hendler”
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(csv2rdf4lod)
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(csv2rdf4lod)
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(csv2rdf4lod)
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(csv2rdf4lod)
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(csv2rdf4lod)????????
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How do we find anything?
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SPARQLSPARQL: : RDF graphRDF graphpattern matchingpattern matching
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And then The Creator said...And then The Creator said...
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Use Use URIsURIs as names for things as names for things
Use Use HTTP URIsHTTP URIs so that people can look up so that people can look up those names.those names.
When someone looks up a URI, provide When someone looks up a URI, provide useful information, using the standards useful information, using the standards ((RDFRDF*, *, SPARQLSPARQL))
Include Include links to other URIs,links to other URIs, so that they can so that they can discover more things.discover more things.
Use Use URIsURIs as names for things as names for things
Use Use HTTP URIsHTTP URIs so that people can look up so that people can look up those names.those names.
When someone looks up a URI, provide When someone looks up a URI, provide useful information, using the standards useful information, using the standards ((RDFRDF*, *, SPARQLSPARQL))
Include Include links to other URIs,links to other URIs, so that they can so that they can discover more things.discover more things.
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The Linked Data CloudThe Linked Data CloudThe Linked Data CloudThe Linked Data Cloud
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The Linked Data CloudThe Linked Data CloudThe Linked Data CloudThe Linked Data Cloud
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The Linked Data CloudThe Linked Data CloudThe Linked Data CloudThe Linked Data Cloud
????????
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Making datasets findable:Making datasets findable:
Standard catalog metadata modelsStandard catalog metadata models
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(DCAT and ADMS shots)(DCAT and ADMS shots)
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(DCAT and ADMS shots)(DCAT and ADMS shots)
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(DCAT and ADMS shots)(DCAT and ADMS shots)
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(DCAT and ADMS shots)(DCAT and ADMS shots)
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The Next Act:The Next Act:
Open-source government data platformsOpen-source government data platforms
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The Next Act:The Next Act:
OpenOpen-source -source governmentgovernment data data platformplatformss
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The future: Open-source government data platformsThe future: Open-source government data platforms
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The future: Open-source government data platformsThe future: Open-source government data platforms
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The future: Open-source government data platformsThe future: Open-source government data platforms
To do:To do:* Linked Data* Linked Data* DCAT (RDFa)* DCAT (RDFa)* DCAT (Schema.org)* DCAT (Schema.org)* ...* ...
To do:To do:* Linked Data* Linked Data* DCAT (RDFa)* DCAT (RDFa)* DCAT (Schema.org)* DCAT (Schema.org)* ...* ...
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So what?
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Linked Data enables agile
data integration and
application creation
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Example: Extending a Sci Publishing PortalExample: Extending a Sci Publishing PortalExample: Extending a Sci Publishing PortalExample: Extending a Sci Publishing Portal
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Example: Extending a Sci Publishing PortalExample: Extending a Sci Publishing PortalExample: Extending a Sci Publishing PortalExample: Extending a Sci Publishing Portal
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Next: Next: Linking Data-driven Apps with “Smart Content”Linking Data-driven Apps with “Smart Content”
http://inference-web.org/wiki/Semantic_Water_Quality_Portalhttp://inference-web.org/wiki/Semantic_Water_Quality_Portalhttp://inference-web.org/wiki/Semantic_Water_Quality_Portalhttp://inference-web.org/wiki/Semantic_Water_Quality_Portal
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????????