Virtuoso, people, exercise

Things I think I've learned today: Virtuoso - a SPARQL database that's used by DBPedia - is surprisingly nice, but it's also got some oddities in synchronization behavior. I have a bulk process that runs for days, and I added a "resting" phase to allow Virtuoso to handle checkpoints gracefully, etc., and finding the sweet… Continue reading Virtuoso, people, exercise

An Incomplete Introduction to OWLAPI

OWL is a language used to describe ontologies - systems of knowledge. It's found primarily in the Semantic Web, which mostly means "hardly anywhere," and part of the problem is that using OWL is really pretty difficult. You can find plenty of technical language, but very little that describes how and why you'd actually use… Continue reading An Incomplete Introduction to OWLAPI