semantic web development using Ruby on Rails

We are started the project on semantic web using Ruby on Rails.Please let me know the tools available for this and we can easily implement.for this I need to know that I can create RDF schema ,ontology .Please开发者_开发百科 send any link that on semantic web,RDFs in ROR.

Thanks in advance Naveenkumar.R

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There are already some posts on SO covering this topic. One of the popular ones is The State of RDF in Ruby