Download of eyeball-1.1.zip (eyeball-1.1.zip ( external link: SF.net): 3,854,521 bytes) will begin shortly. If not so, click link on the left.
Jena is Java toolkit for developing semantic web applications based on W3C recommendations for RDF and OWL. It provides an RDF API; ARP, an RDF parser; SPARQL, the W3C RDF query language; an OWL API; and rule-based inference for RDFS and OWL.
Jena is now an Apache project:
