Rod Coffin’s Weblog

I have been working on a particular Antlr grammar where I have been using semantic predicates to control which alternative is evaluated for a given rule. More specifically I have been calling out to application logic in these predicates to allow sophisticated parsing decisions to be made by application logic. For example, I [...]

I recently finished an article on semantics and today it was actually published. This article focuses on ontologies and how they can be represented in RDF (Resource Description Framework) and queried via SPARQL (SPARQL Representational Query Language). It shows how to make more sophisticated applications by leveraging this richer expression of the relationship [...]