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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 RDF-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/
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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 RDF-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/
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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
Other Tools
- Microdata2RDF a REST service returning N-Triples, N3 and JSON
- Rdfa2RDF a REST service returning N-Triples, N3 and JSON
- Rich Snippets Testing Tool
- RDFa Content Editor
- Microdata Generator
- Schema Creator
- Schema for WordPress
- A node.js library that retrieves, parses and provides all schemas from schema.org
- A PHP Library to Extract Microdata from HTML
- MicrodataJS
- Schema.org Tools at rdfs.org
- Live Microdata
- RDFaCE-Lite WYSIWYM content editor supporting both RDFa and Microdata (with Schema.org vocabulary). Published as WordPress plugin.
RuleTheWeb! is a Firefox extension consuming Schema.org annotations.
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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. |