From RDFaWiki

Krextor is a generic XML→RDF extraction library with support for XHTML+RDFa input (Microformats currently being added) and support for RDFa integrated into other host languages.

Supported output formats:

• RXR (Regular XML RDF)
• Turtle (similar to N3)
• RDF/XML
• RDFa (for integration into XSLTs producing XHTML)
• Java callback

Links

• Project homepage
• Development roadmap