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* [[Not Appropriate Usage Examples]]
  
* [[Not Appropriate Usage Examples]]
 
* [[List of websites using Schema.org | List of websites using Schema.org markup]]
  
* [[List of websites using Schema.org | List of websites using Schema.org markup]]
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== Extracting Semantic Annotations==
  
== Extracting Semantic Annotations==
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Typically, applications need to extract semantic annotations from the web pages and use them to perform artificial reasoning.
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Typically, applications need to extract semantic annotations from the web pages and use them to perform artificial reasoning.
  
 
   
  
   
 
=== Microdata2RDF Service ===
  
=== Microdata2RDF Service ===
 
Microdata extractor is a REST web service to extract RDF data from Microdata annotations and provide the semantic information as [http://www.w3.org/2011/rdf-wg/wiki/N-Triples-Format N-Triples], [http://www.w3.org/TeamSubmission/n3/ N3] and [http://docs.api.talis.com/platform-api/output-types/rdf-json JSON]. The service conforms with the [http://www.w3.org/TR/microdata-rdf/ Microdata2RDF specification] at W3C, but the generation algorithm may be different from the one proposed by the specification. The service is powered by [http://nodejs.org node.js] and uses [https://github.com/tmpvar/jsdom jsdom] library. More information on endpoint, usage and limitations at: [http://getschema.org/microdataextractor/about ”’http://getschema.org/microdataextractor/about”’]
  
Microdata extractor is a REST web service to extract RDF data from Microdata annotations and provide the semantic information as [http://www.w3.org/2011/rdf-wg/wiki/N-Triples-Format N-Triples], [http://www.w3.org/TeamSubmission/n3/ N3] and [http://docs.api.talis.com/platform-api/output-types/rdf-json JSON]. The service conforms with the [http://www.w3.org/TR/microdata-rdf/ Microdata2RDF specification] at W3C, but the generation algorithm may be different from the one proposed by the specification. The service is powered by [http://nodejs.org node.js] and uses [https://github.com/tmpvar/jsdom jsdom] library. More information on endpoint, usage and limitations at: [http://getschema.org/microdataextractor/about ”’http://getschema.org/microdataextractor/about”’]
   
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==== Extracting semantic annotations from Microdata  ====
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{{#widget:MicrodataExtractor}}
  
{{#widget:MicrodataExtractor}}
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{{#widget:MicrodataTests}}
  
{{#widget:MicrodataTests}}
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=== RDFa2RDF Service ===
  
=== RDFa2RDF Service ===
 
RDFa extractor is a REST web service to extract RDF data from [http://www.w3.org/TR/rdfa-lite/ RDFa Lite] annotations and provide the semantic information as [http://www.w3.org/2011/rdf-wg/wiki/N-Triples-Format N-Triples], [http://www.w3.org/TeamSubmission/n3/ N3] and [http://docs.api.talis.com/platform-api/output-types/rdf-json JSON]. The service is powered by [http://nodejs.org node.js] and uses [https://github.com/tmpvar/jsdom jsdom] library. More information on endpoint, usage and limitations at: [http://getschema.org/rdfaliteextractor-about/ ”’http://getschema.org/rdfaliteextractor-about/”’]
  
RDFa extractor is a REST web service to extract RDF data from [http://www.w3.org/TR/rdfa-lite/ RDFa Lite] annotations and provide the semantic information as [http://www.w3.org/2011/rdf-wg/wiki/N-Triples-Format N-Triples], [http://www.w3.org/TeamSubmission/n3/ N3] and [http://docs.api.talis.com/platform-api/output-types/rdf-json JSON]. The service is powered by [http://nodejs.org node.js] and uses [https://github.com/tmpvar/jsdom jsdom] library. More information on endpoint, usage and limitations at: [http://getschema.org/rdfaliteextractor-about/ ”’http://getschema.org/rdfaliteextractor-about/”’]
   
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The service is also listed at the Semantic Web Initiative wiki page  [http://www.w3.org/2001/sw/wiki/RDFa_Extractor http://www.w3.org/2001/sw/wiki/RDFa_Extractor]
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==== Extracting semantic annotations from RDFa Lite ====
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{{#widget:RDFaExtractor}}
  
{{#widget:RDFaExtractor}}
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{{#widget:RDFaLiteTests}}
  
{{#widget:RDFaLiteTests}}
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== What you can do ==
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Solve everyday annotation problems, debate on discussion pages and document your solutions on the wiki. Start concrete discussions helping others to understand: [[Microdata |”’how”’]] to use, [[Schema.org |”’what”’]] to use, [[Using Schema.org |”’where”’]] to use and [[List of websites using Schema.org| ”’who”’]] uses these concepts. Spread the word – blog it, bulletin board it, tell your friends.Write and share tools (link them up on the wiki). Inspire others with what you build.
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The service is also listed at the Semantic Web Initiative wiki page  [http://www.w3.org/2001/sw/wiki/RDFa_Extractor http://www.w3.org/2001/sw/wiki/RDFa_Extractor]

Revision as of 14:12, 10 June 2013

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While creating Schema.org markup from plain HTML might be painful for beginners and time consuming for everybody, this wiki will help you to easy get Schema.org markup for the most used concepts of Schema.org.

Extracting Semantic Annotations

Typically, applications need to extract semantic annotations from the web pages and use them to perform artificial reasoning.

Microdata2RDF Service

Microdata extractor is a REST web service to extract RDF data from Microdata annotations and provide the semantic information as N-Triples, N3 and JSON. The service conforms with the Microdata2RDF specification at W3C, but the generation algorithm may be different from the one proposed by the specification. The service is powered by node.js and uses jsdom library. More information on endpoint, usage and limitations at: http://getschema.org/microdataextractor/about

Use your own URL:



Or try one of the W3C Test Cases



about this service.

Try our examples

RDFa2RDF Service

RDFa extractor is a REST web service to extract RDF data from RDFa Lite annotations and provide the semantic information as N-Triples, N3 and JSON. The service is powered by node.js and uses jsdom library. More information on endpoint, usage and limitations at: http://getschema.org/rdfaliteextractor-about/

Use your own URL:



about this service.

Try our examples

The service is also listed at the Semantic Web Initiative wiki page http://www.w3.org/2001/sw/wiki/RDFa_Extractor

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