Currently, I'm looking for ontologies and/or RDF (RDFa) vocabularies to represent user-created tags and their tagged data. I've already found a bit of stuff, but I'm eager to know …

A natural way to provide Linked Data from feeds like weblogs etc. is to mirror the HTML pagination in RDF. Moreover, if the site uses RDFa, then it’s probably the only choice. But …

Suppose I want to create a vocabulary / ontology for astrology. The (domain-specific) language is the same, but it's intended to mean different things in different contexts. Well …

If Semantic Web is the evolution of the current Web (2.0)... How does social classification (tagging) fit in the picture of Web 3.0?

How we can implement version control of semantica data? On level of data design and SPARQL queries for RDF storage like Sesame. In a wiki way for example. What info do you have on …

I know that it's early days, and many of the experiences gained may prove to be 'what worked well with product X', but I'd like to know what your experiences have been in designing …

Is there any best practice as to what facts to give about the current RDF document? I want a way to usefully express the metadata for the current article. It's only going to be u …

I'm under increasing pressure to start using RDF as a back-end for websites, rather than MySQL. I've been considering the basic "patterns" of use, generally they boil down to crea …