How can I map something like "I've met person P in location X at conference Y" by reusing as much as possible FOAF semantics? I'm specifically thinking about foaf:knows but I don' …

Are there any books from where I could learn in detail about well established ontologies like FOAF, SKOS? Thanks

Hi there, I'd like to convert vcard xmlrdf docs (fetched using any23) to their corresponding triples in foaf/doac. Is this doable? Thanks in advance.

I'm using ARC2 php library to import RDF files that contains user profiles (foaf represented) into a store. Fortuenately, facebook unleashed their data via Open Graph protocol whic …

What are the PHP libraries to parse to parse a FOAF file? What would be a very simple PHP program to parse a FOAF file? (ps1: putting the question here as a future reference for …

Joerg pointed me at this FOAF visualizer. Inspecting the source code, I noted it uses XSLT and XPath to find patterns. Since my FOAF file is embedded as RDFa, it does not surprise …

Despite having looked at the specification and material several times, I'm still not clear of the benefits of FOAF+SSL. Henry Story has a blog post that tries to do this here: ht …

I want to publish RDF to list the articles/blogposts written by people - journalists, bloggers, whatever. I'm currently using foaf:made to list the articles/posts they've written, …

I have seen that lots of resources model people as foaf:Person, whereas what they're actually modelling "names". Examples of this include modelling authors and other "creators", an …

I am trying to add FOAF semantics to my one page site and was wondering if I am doing this correctly. I followed this tutorial with adding an online account which works when I jus …

Hi, is there a property that expresses the affiliation link between people and their organizations (in a broad sense, including companies, universities, and non-profit organization …

foaf:Organization is defined as: "a kind of Agent corresponding to social institutions such as companies, societies etc." Does this extend to political/sovereign states as describ …

I would like to know what would be the best ways to describe some pages in a FOAF file which are related to a user. example.org/JohnSmith/ - Home page of the user example.org/Joh …

Why is it that when you open the standard FOAF file in Protege and try to classify it with a reasoner it says its an inconsistent ontology?

The current web is heavily polluted with various forms of spam. Can semantic technologies help? If the spammers start using fake metadata then it could reduce the usefulness of wha …