TagTriples is a structured metadata format, similar to RDF, but intended to be simpler to understand and generate.
Tagtriples metadata consists of 'statements', each containing 3 words (or 'symbols') - a 'subject', a 'property' and an 'object'.
Here's some tagtriples statements (1 per line):
PhilDawes type Person PhilDawes name "Phil Dawes" PhilDawes hairColour Brown PhilDawes plays FrenchHorn BicycleRepairMan type OpenSourceProject BicycleRepairMan type RefactoringBrowser BicycleRepairMan description "Python Refactoring Browser" BicycleRepairMan maintainer PhilDawes BicycleRepairMan homepage "http://bicyclerepair.sf.net" FrenchHorn type BrassInstrumentSymbols containing spaces must be enclosed in quotes. More info
The tagtriples sourceforge
site contains a web based tagtriples store designed for aggregating, browsing and querying tagtriples data.
A demo of this software currently runs here.